Entries |
Document | Title | Date |
20080200984 | Intervertebral Disc Prosthesis Insertion Assemblies - In various embodiments, an intervertebral disc prosthesis is provided. The prosthesis may be provided with an insertion adapter, such as a head, holder, or other carrier of the prosthesis. The insertion adapter may be configured to retain the prosthesis and to engage an insertion tool body. In various embodiments, the prosthesis and the insertion holder are provided in a sterile pack, with the prosthesis components and the insertion holder sterilized and packaged in one or more types or layers of sterile packaging. In various other embodiments, the prosthesis and an insertion tool are provided in a sterile pack, with the prosthesis components and the insertion tool sterilized and packaged in one or more types or layers of sterile packaging. | 08-21-2008 |
20080200985 | SPINAL IMPLANT - A spinal implant as provided having a porous body that includes a leading end, a convex trailing end and first and second sides extending between the leading and trailing ends. At least a portion of the leading end is generally straight. The body further includes a generally dome-shaped superior surface and a generally planar inferior surface. The superior surface is convex between the leading and trailing ends and is convex between the first and second sides. | 08-21-2008 |
20080200986 | Method and a Kit for Inserting Prosthetic Intervertebral Discs into a Spine - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 08-21-2008 |
20080200987 | Preparation Device For Preparing an Intervertebral Disc Compartment - The invention relates to a preparation device for preparing an intervertebral disc compartment ( | 08-21-2008 |
20080208342 | SPINAL IMPLANT - An implant is provided that includes a body having a convex and tapered leading end, a convex trailing end, opposing generally planar sides extending between the leading and trailing ends and superior and inferior surfaces. An opening extends through the body between the superior and inferior surfaces. The implant further includes a plurality of protrusions provided on each of the superior and inferior surfaces. Each protrusion has a flattened distal surface. The leading end includes first and second inclined surfaces and an intermediate surface, with the first inclined surface sloping downward from the superior surface to the intermediate surface and the second inclined surface sloping upward from the inferior surface to the intermediate surface. | 08-28-2008 |
20080208343 | Interlocked modular disc nucleus prosthesis - A method and apparatus for repairing a damaged intervertebral disc nucleus in a minimally invasive manner utilizes a modular disc prosthesis. The modular disc prosthesis preferably comprises at least three modular segments. In one embodiment, each modular segment includes an inner core and an outer shell. The modular segments are selectively interlockable in situ with each other. The modular segments form an implanted unitary device that closely mimics the geometry of the disc nucleus cavity. | 08-28-2008 |
20080208344 | Intervertebral Implant Devices and Methods for Insertion Thereof - An implant device is provided that is configured for implantation at multiple locations between adjacent vertebrae. The implant device comprises an implant body, a first portion of the implant body, and a second portion of the implant body adjustably interconnected with the first portion. The implant body has a compact orientation and an extended orientation to allow the implant body to be shifted from one orientation to the other orientation for being positioned in any one of areas between the spinous processes of the adjacent vertebrae, between laminar regions of the adjacent vertebrae, spanning an opening in the annulus between the adjacent vertebrae, and in the intervertebral space between the adjacent vertebrae. | 08-28-2008 |
20080208345 | Intervertebral implant - An intervertebral implant, or disc prosthesis, comprises a pair of cooperating elements being provided in a generally “X” shaped structure. The elements are comprised of cooperating shells that are maintained separated by a resilient material provided therebetween. The elements allow for rotational and translational movement when implanted. | 08-28-2008 |
20080215153 | APPARATUS AND METHOD FOR PERFORMING SPINAL SURGERY - An embodiment of an intervertebral prosthetic device for implantation in a spine includes a rigid fixation member and a compressible member. The fixation member is configured to be placed in a cavity of a first vertebral body and against bone of the first vertebral body. The compressible member is configured to be placed in a cavity in an intervertebral disc and to be secured to the first fixation member. Another embodiment includes two compressible members and one fixation member. In this embodiment, the first and second compressible members are sized to substantially replace the nucleus pulposus of first and a second intervertebral discs, respectively, on either side of a vertebral body. The fixation member is sized to fit within a cavity in the vertebral body between the first and second compressible members. | 09-04-2008 |
20080215154 | INTERVERTEBRAL DISC ANULUS IMPLANT - Systems for minimally invasive disc augmentation include an anulus augmentation implant suited for minimally invasive deployment. A nucleus augmentation component may be included. The anulus augmentation implant shields weakened regions of the anulus fibrosis and/or resists escape of natural nucleus pulposus and/or the nucleus augmentation component. Methods and deployment devices are also disclosed. | 09-04-2008 |
20080215155 | INTERVERTEBRAL PROSTHETIC DISC - A prosthetic disc for insertion between adjacent vertebrae includes upper and lower plates, a core disposed between the plates, and at least one projection extending from at least one of the upper and lower curved surfaces of the core into at least one recess of one of the inner surfaces of the plates. The recess is oversize with respect to the projection to allow sliding movement of the plate over the core while retaining the core between the plates during such sliding movement. The projection(s) may include a rod extending through an axial hole in the core, multiple surface features of the core, or the like. | 09-04-2008 |
20080221687 | DEPLOYABLE SEGMENTED TLIF DEVICE - A segmented intervertebral body fusion support includes a plurality of segments, the segments including an initial segment, a final segment and at least one intermediate segment. The intermediate segment has a generally trapezoidal configuration and the initial and final segments include tapered side walls providing triangular gaps between adjacent segments. A draw wire is fixed to the first segment and passes through the remaining segments. By pulling the draw wire relative to the segments, the segments are drawn together in a generally arcuate configuration. The draw wire includes an enlargement that passes through the final segment and engages a plurality of fingers on the final segment, which prevents the draw wire from retracting, maintaining the arcuate configuration. The segmented device can be inserted through a laparoscopic device into the intervertebral space and can be subsequently drawn into the arcuate configuration to establish the desired intervertebral spacing. | 09-11-2008 |
20080221688 | Method of Maintaining Fatigue Performance In A Bone-Engaging Implant - This disclosure is directed to a method capable of maintaining the fatigue performance of a bone-engaging implant after surface texturing through the imparting of a residual compressive stress. A residual compressive stress is imparted via peening or another process. The peened surface is then roughened to improve mechanical adhesion for bone fixation via grit blasting or another process. The depth of penetration of the roughened texture is less than the depth of the residual compressive stress. | 09-11-2008 |
20080221689 | ARTIFICIAL DISC WITH UNIQUE ARTICULATING GEOMETRY AND ASSOCIATED METHODS - An apparatus and method is provided relating to artificial discs. An artificial disc is provided that facilitates simultaneous and independent articulation of flexion/extension, lateral bending, anterior/posterior translation, and axial rotation. The artificial disc provides these four simultaneous and independent articulations by independently addressing each type of articulation in the design of the artificial disc. In one example, an artificial disc is comprised of a bearing disposed between first and second end plates. The bearing is movable relative to each end plate, independent of the other end plate. The end plates are affixed to adjacent vertebrae. | 09-11-2008 |
20080221690 | ARTIFICIAL DISC WITH POST AND MODULAR COLLAR - An apparatus and method is provided relating to artificial discs. An artificial disc is provided that facilitates simultaneous and independent articulation of flexion/extension, lateral bending, anterior/posterior translation, and axial rotation. The artificial disc provides these four simultaneous and independent articulations by independently addressing each type of articulation in the design of the artificial disc. In one example, an artificial disc is comprised of a bearing disposed between first and second end plates. The bearing is movable relative to each end plate, independent of the other end plate. The end plates are affixed to adjacent vertebrae. | 09-11-2008 |
20080221691 | SURGICAL IMPLANT SECURED BY PEGS AND ASSOCIATED METHODS - An apparatus and method is provided relating to artificial discs. An artificial disc is provided that facilitates simultaneous and independent articulation of flexion/extension, lateral bending, anterior/posterior translation, and axial rotation. The artificial disc provides these four simultaneous and independent articulations by independently addressing each type of articulation in the design of the artificial disc. In one example, an artificial disc is comprised of a bearing disposed between first and second end plates. The bearing is movable relative to each end plate, independent of the other end plate. The end plates are affixed to adjacent vertebrae. | 09-11-2008 |
20080221692 | INTERSPINOUS PROCESS IMPLANTS AND METHODS OF USE - Systems and method in accordance with an embodiment of the present invention can includes an implant comprising a first wing, a spacer extending from the first wing, and a distraction guide. The distraction guide is arranged in a first configuration to pierce and/or distract tissue associated with adjacent spinous processes extending from vertebrae of a targeted motion segment. The implant can be positioned between the adjacent spinous processes and once positioned, the implant can be arranged in a second configuration. When arranged in a second configuration, the distraction guide can act as a second wing. The first wing and the second wing can limit or block movement of the implant along a longitudinal axis of the implant. | 09-11-2008 |
20080221693 | INTERVERTEBRAL PROSTHESIS - An intervertebral prosthesis is disclosed for utilisation as an intervertebral disc replacement in the skeleton of the human body. The intervertebral prosthesis includes a first prosthesis plate, on which is formed a first coupling element, e.g., in the form of a spherical cap, and a second prosthesis plate, in which, for example, a hollow spherical shell is formed, into which, in the coupled state, the spherical cap engages. To create a physiologically favourable intervertebral disc replacement, the rotational movement of both prosthesis plates with respect to each other around an axis perpendicular to the prosthesis plates is significantly limited, for example to 3 degrees. The limitation of the rotational movement is produced by means of a movement restriction means in the form of mechanical blocks on the coupling elements. | 09-11-2008 |
20080221694 | Pivotable Interbody Spacer System and Method - A spinal spacer system includes a handle member, an extension member including a first and a second end, wherein the first end of the extension member is coupled to the handle member. Additionally, a coupling device configured to selectively couple a spacer to the second end of the extension member is disposed on the extension member including an angular fixation member configured to fix the spacer in an angular position relative to the handle member. The spinal spacer system also includes an actuator configured to selectively actuate the coupling device and the angular fixation member. The spacer of the present exemplary spinal spacer system includes a proximal end, a distal end, and a rotatably coupleable engagement member disposed on the proximal end of the spacer. According to one exemplary embodiment, the coupling device includes a single protruding member extending from the second end of the extension member. | 09-11-2008 |
20080221695 | Spinal interbody spacer device - There is described an instrument set for use in spinal surgery that includes as elements a spinal body spacer, a placement tool, and an extraction tool. The spacer may be constructed with a body having a first wall and a second wall connected by a top face, a bottom face, and a lateral support. Further, the spinal body spacer has a threaded opening and keyways connected to the threaded opening positioned in a face. The spinal body spacer may also include a superior surface and an inferior surface with a plurality of antimigration furrows positioned on each of the superior surface and the inferior surface. The spacer may have an outer face positioned around the opening and the placement tool may also have a contact face such that the contact face comes into contact with the outer face when the placement tool is fully connected with the spacer. The placement tool has a threaded tip for connecting with the threaded opening of the spacer. The extraction tool has a tip configured to pass through the opening of the spacer, and the tool has tabs positioned on the tip such that the tabs pass through the keyways of the spacer. The extraction tool is configured such that it passes through the aperture, rotates, and then can be used to exert a pulling force on the spacer. The tip of the extraction tool may be a substantially blunt tip, a substantially pointed tip, or even a tip with a hollow area. The spacer may have at least one block disposed on an interior surface such that the block contacts the tabs of the extraction tool thereby restricting rotation of the extraction tool relative to the spacer. The spacer may have a backing plate, and the backing plate may itself include projections disposed in the matrix of the spacer. | 09-11-2008 |
20080221696 | INTERVERTEBRAL PROSTHETIC DISC - A prosthetic disc for insertion between adjacent vertebrae includes upper and lower plates, a core disposed between the plates, and at least one projection extending from at least one of the upper and lower curved surfaces of the core into at least one recess of one of the inner surfaces of the plates. The recess is oversize with respect to the projection to allow sliding movement of the plate over the core while retaining the core between the plates during such sliding movement. The projection(s) may include a rod extending through an axial hole in the core, multiple surface features of the core, or the like. | 09-11-2008 |
20080228275 | INTERVERTEBRAL IMPLANT COMPONENT WITH THREE POINTS OF CONTACT - An intervertebral implant is made up of components which each have an inner surface and an outer surface which engages an adjacent vertebra and presents only three distinct points of contact with a cortical rim of the vertebra. Preferably, the outer surface has a footprint which is sized to be within that of the cortical rim. In disclosed embodiments, the footprint can be convexo-concave shaped, D shaped, or kidney shaped. The intervertebral implant can be provided with upper and lower (or first and second) components which engage adjacent first and second vertebrae and which move relative to one another. The implant has both the first and second outer surfaces sized to present a respective footprint sufficient for two lateral-anterior and one posterior points of contact with an adjacent cortical rim of the respective first and second vertebra. | 09-18-2008 |
20080228276 | Intervertebral Prosthesis, Instruments, and Methods of Implanting - A method of implanting an intervertebral prosthesis in an intervertebral space between a first and a second vertebra of a patient's spinal column may include making a first aperture at a first location to permit access to the intervertebral disc space. The first aperture may be sized to allow passage of at least a portion of the intervertebral prosthesis. A second aperture may be made at a second location to permit access to the intervertebral disc space. The second aperture may be sized to allow passage of a surgical instrument. An intervertebral prosthesis for implantation into an intervertebral space between a first and a second vertebra of a patient's spinal column is also disclosed, along with a surgical instrument for implanting the an intervertebral prosthesis. | 09-18-2008 |
20080228277 | Intervertebral prosthesis - An intervertebral prosthesis for insertion between adjacent vertebrae includes upper and lower prosthesis plates locatable against respective vertebrae and having opposing, concavely curved recesses therein, and a core located between the plates. The core has opposed, convexly curved surfaces received in the recesses of the plates to allow the plates to slide in articulated manner over the core. The opposed surfaces of the core and the recesses of the plates have cooperating spherical curvatures. The recess of each plate surrounds a locating peg projecting centrally from the base of the recess and is bounded by an annular rim, such that the annular rims of the plates are arranged to contact one another at a predetermined limit of sliding movement of the plates over the core. The peg locates loosely in an opening located centrally in a curved surface of the core, whereby the plates can slide over the core in all directions while the peg holds the core captive. | 09-18-2008 |
20080234822 | Method and Apparatus for Stabilization and Fusion of Adjacent Bone Segments - Disclosed are systems and methods for stabilization and fusion of adjacent bone segments. Also disclosed are methods for manufacturing a surgical bone implant. Surgical bone implants constructed in accordance with the invention receive improved structural stability and accurate sizing, particularly under expansion and shrinkage caused by hydration and dehydration of the implant. | 09-25-2008 |
20080234823 | Artificial functional spinal unit system and method for use - A method of stabilizing a human spine is provided. The spine may be stabilized by inserting one or more dynamic interbody devices in a disc space between a first vertebra and a second vertebra. A dynamic interbody device may be inserted using an anterior approach. One or more dynamic interbody devices may be inserted using a posterior approach. One or more of the dynamic interbody devices may allow for coupled axial rotation and lateral bending of the first vertebra relative to the second vertebra. The spine may also be stabilized by installing one or more posterior dynamic stabilization systems. | 09-25-2008 |
20080234824 | Interspinous dynamic stabilization implant and method of implanting - Devices and methods for treating spinal disorders and associated discomfort therefrom. In one embodiment, an interspinous implant device is configured for distracting an adjacent pair of spinous processes while permitting relative flexion, lateral bending and side rotation motions between the vertebrae joined to the adjacent pair of spinous processes. A method of treating spinal disorders and associated discomfort therefrom, includes inserting an interspinous device between a pair of adjacent spinous processes such that a superior portion of the device contacts an inferior surface of the relatively superior spinous process of the pair, and an inferior portion of the of the device contacts a superior surface of the relatively inferior spinous process of the pair; and distracting the superior and inferior portions, relative to one another, thereby distracting the spinous processes, whereby vertebrae integral with the spinous processes retain capability of flexion, lateral bending and side rotation motions, relative to one another, after the distraction has been performed. | 09-25-2008 |
20080234825 | Modular Lumbar Interbody Fixation Systems and Methods - Modular lumbar interbody fixation systems and methods are provided. A representative system includes: an anterior end opposite a posterior end; a pair of engaging plates adapted to fit between and engage the vertebral bodies to maintain a disc space between the vertebral bodies during use; and an alignment device positionable between the pair of engaging plates, the alignment device comprising at least one flexible strut extending between the pair of engaging plates during use. | 09-25-2008 |
20080234826 | Modular Lumbar Interbody Fixation Systems and Methods with Reconstruction Endplates - Modular lumbar interbody fixation systems and methods with reconstruction endplates are provided. A representative system includes: a pair of engaging plates adapted to fit between and engage the vertebral bodies, at least one engaging plate of the pair of engaging plates being a reconstruction endplate, the reconstruction endplate having a trough and configured to receive a fixing agent; and an alignment device positionable between the pair of engaging plates, the alignment device being operative to maintain a disc space between the vertebral bodies during use. | 09-25-2008 |
20080234827 | DEVICES FOR TREATING THE SPINE - Various features of spinal implants and systems and methods for implanting the same with or between tissue layers in the human body. | 09-25-2008 |
20080234828 | Implant - In order to improve an implant for replacing a vertebral body or for insertion into an intervertebral cavity between adjacent vertebral bodies of a human or animal spinal column, with a first contact face for resting on a joint face of a first vertebral body and with a second contact face for resting on a joint face of a second vertebral body, the implant being at least partially produced from an X-ray transparent material and comprising at least one X-ray marker in such a way that it can be produced more simply, it is proposed that the at least one X-ray marker is configured in the form of an at least partial marker coating, which contains metal as the marker material, of a side face of the implant, which is inclined relative to the first and/or the second contact face by an angle of inclination. | 09-25-2008 |
20080243250 | Lateral Spinous Process Spacer - Interspinous process implants are disclosed. Also disclosed are systems and kits including such implants, methods of inserting such implants, and methods of alleviating pain or discomfort associated with the spinal column. | 10-02-2008 |
20080243251 | Intervertebral Device Having Expandable Endplates - An intervertebral implant having an endplate that can be slidably expanded following its placement in the intervertebral space. | 10-02-2008 |
20080243252 | Spinal implant system - The present invention provides an intervertebral prosthesis generally defining a first wall, a second wall, sidewalls extending from the first wall to the second wall, and an upper surface and a lower surface. One or more passages may be included providing for an affixation element, to be inserted therethrough. The passages may each include a first portion for receiving a head or tip of an affixation element, and a second portion of a smaller diameter, where a substantial amount of the second portion of the passage located above or below a midline of the prosthesis. One or more openings may also be provided on the spinal prosthesis for coupling the prosthesis to a surgical tool, and the upper and lower surfaces of the prosthesis may include a depression or portion void of any teeth for the insertion of the prosthesis where a distraction tool is situated about the surgical site. | 10-02-2008 |
20080243253 | Intervertebral Disc Prosthesis - The invention relates to an intervertebral disc prosthesis consisting of: an upper plate, a lower plate having an essentially-flat support surface, and an intermediate element comprising a base which is equipped with a rim and which is topped with a spherical cap. The upper plate and the cap define a ball and socket joint therebetween. The base of the intermediate element comes into contact with the support surfaces, while the lower plate is equipped with a guide comprising two edges which maintain the intermediate element therebetween. The rim of the base comes into contact with the edges and said rim is circular in shape and adapted to enable the intermediate element to roll along the length of the edges | 10-02-2008 |
20080243254 | Height adjustable spinal prostheses - Dimensionally adjustable spinal prostheses are adjustable in an axial or superior to inferior dimension such that spinal prostheses may assume variations in height. The height adjustable spinal prostheses are characterized by first and second portions that are configured for adjustable coupling with one another. Spatial adjustment between the first and second portions is provided by an adjustment assembly. The adjustment mechanism preferably, but not necessarily, provides infinite adjustment over a minimum prosthesis height to a maximum prosthesis height. In one form, first and second ends of the height adjustable spinal prostheses are configured to receive an endplate. The endplates aid in attachment and/or anchoring of the spinal prosthesis within the spine. The endplates may be fashioned in various configurations such as circular or anatomical. In one form, the adjustment assembly utilizes rotational motion for varying the axial position of one prosthetic portion relative to the other prosthetic portion. Rotational movement of an adjustment mechanism of the adjustment assembly is translated into axial movement of one prosthetic portion relative to the other prosthetic portion. In another form, the adjustment mechanism is a screw and gearing assembly. In yet another form, the adjustment mechanism is a rack and pinion assembly. | 10-02-2008 |
20080243255 | Radially expandable spinal interbody device and implantation tool - A radially expandable spinal interbody device for implantation between adjacent vertebrae of a spine is deliverable to an implant area in a radially collapsed state having minimum radial dimensions and once positioned is then radially expandable through and up to maximum radial dimensions. The expanded radially expandable spinal interbody device is configured to closely mimic the anatomical configuration of a vertebral face. The radially expandable spinal interbody device is formed of arced, pivoting linkages that allow transfiguration from the radially collapsed minimum radial dimensions through and up to the radially expanded maximum radial dimensions once deployed at the implant site (i.e. between adjacent vertebrae). The pivoting linkages have ends with locking features that inhibit or prevent overextension of the linkages. In one form of the locking features, one end of the linkage includes lobes that form a pocket while the other end of the linkage includes a projection that is adapted to be received in the pocket of the lobes of an adjacent linkage. A kit is also provided including a tool for the implantation and deployment of the spinal interbody device into an intervertebral space. | 10-02-2008 |
20080243256 | DEVICES USED TO TREAT DISC HERNIATION AND ATTACHMENT MECHANISMS THEREFORE - A method for retaining an intra-discal material within an annulus fibrosis is described. The annulus fibrosis has a posterior annulus, an inside surface, and an opening with a lateral and a vertical dimension. A single wire and a band is provided. The single wire is made of shape-memory material and has a first compressed configuration and a second expanded configuration. The band and the single wire, which is in the first compressed configuration, is inserted through the opening in the annulus fibrosis. After insertion through the opening, the single wire expands to the second expanded configuration. The single wire and the band are positioned near the posterior annulus to rest against annulus fibrosis tissues adjacent the opening on the inside surface of the annulus fibrosis, such that the band is positioned to rest against annulus fibrosis tissues adjacent the opening, thereby preventing escape of intra-discal material through the opening. | 10-02-2008 |
20080249624 | Method for the Production of Intervertebral Disk Cell Transplants and Their Use as Transplantation Material - The invention relates to a method for the in vitro production of intervertebral disk cartilage cell transplants from affected intervertebral disk tissue from patients and to the use thereof as transplantation material for the treatment of affected intervertebral disks. The invention also relates to a three-dimensional, vital, and mechanically stable intervertebral disk cartilage tissue and to the use thereof as transplantation material for the treatment of affected intervertebral disks and in testing active substances. Furthermore, the invention is directed to the surgical technique for incorporating the transplants, to the intervertebral disk cell transplants and intervertebral disk cartilage tissues produced, and to therapeutic formulations, e.g. injection solutions, which include said tissue and said cell transplants. | 10-09-2008 |
20080249625 | Composite Interbody Spacer - A composite interbody spacer includes a first portion formed of a first material and a second portion formed of a second material. | 10-09-2008 |
20080249626 | Arthrodesis of Vertebral Bodies - Spinal arthrodesis is accomplished by implanting an intervertebral spacer made of a biocompatible material that promotes tissue ingrowth and bony fusion. The spacer is implanted into a graft bed formed between adjacent vertebral bodies. The spacer includes a body portion having anterior and posterior end faces. Opposed flanges project outwardly from the body portion at axial locations adjacent the anterior and posterior end faces. The flanges taper radially outwardly to an outer edge that is sharp enough to penetrate vertebral end plates. After a graft bed has been formed, and after the vertebral bodies have been distracted, the spacer is inserted into the graft bed and positioned such that the flanges are adjacent the vertebral end plates. Upon release of the distraction, the vertebral bodies will move toward each other and the flanges will be pressed into the end plates. The effect of the pressing action is to secure the spacer tightly in place within the graft bed such that migration of the spacer is prevented. | 10-09-2008 |
20080249627 | Prosthetic Disc Device and Method for Intervertebral Disc Replacement - An implant and method for insertion between two adjacent vertebrae includes an implant body having a leading end and a trailing end spaced apart by a longitudinal dimension of the implant, two diametrically opposed first and second shells, each of the shells having a body portion and a thread portion extending outwardly from the body portion, and a resilient support portion disposed between the two shells. The support portion may be made of an elastomeric material or may include a spring mechanism. | 10-09-2008 |
20080249628 | Multi-component interbody device - A dynamic device for implantation within a disc space between two adjacent vertebral bodies is disclosed. The device comprises two or more bodies interconnected via at least one connecting means such that at least one body is permitted relative motion with respect to the at least one other body. The device is configured to assume various configurations including a first configuration suitable for minimally invasive insertion and a second configuration suitable for residence within the disc space. Associated variations and insertion instruments are also disclosed. | 10-09-2008 |
20080249629 | VERTEBRAL DEFECT DEVICE - A vertebral defect device for insertion into an intervertebral space between a pair of adjacent vertebrae and for assisting in fusion between the adjacent vertebrae includes a rigid body having an distal end, a proximal end, a top, a bottom and a pair of lateral sides. The distal end is tapered in a general direction that extends between the top and the bottom of the body in order to facilitate insertion of the body into the intervertebral space. At least a first arch is proximate the top of the body and extends from the proximal end of the body toward the distal end of the body. The first arch is spaced from both lateral sides of the body. At least a second arch is proximate the bottom of the body and extends from the proximal end toward the distal end. The second arch is spaced from both lateral sides and is generally laterally aligned with the first arch for providing a rigid, generally vertical support. | 10-09-2008 |
20080255666 | FACET FIXATION AND FUSION WEDGE AND METHOD OF USE - A spinal implant including an at least one screw disposed within a wedge body is herein provided. The implant can be configured for placement with a facet joint in an intra-facet delivery. Furthermore, the implant can include a fusion-promoting bioactive material thereby providing a single device capable of spinal stabilization and/or fusion. Furthermore, a method of placing such an implant within a facet joint in an intra-facet orientation is hereby provided. | 10-16-2008 |
20080255667 | ALLOGRAFT SPINAL FACET FUSION SYSTEM - A method for fusing a spinal facet joint and a surgical kit for use therein. The kit preferably comprises an allograft implant, a facet finder, a drill, a drill guide, and an implant inserter. The method preferably comprises the steps of locating the facet joint with a facet finer, sliding a drill guide over the facet finder until the drill guide engages the facet joint, removing the facet finder from within the drill guide, inserting a drill through the drill guide and drilling a socket within the facet joint to a predetermined depth, removing the drill from within the drill guide, securing an allograft implant within an implant inserter, inserting the implant inserter through the drill guide until the implant engages the socket, tapping the implant inserter to push the implant completely within the socket, removing the implant inserter from within the drill guide, and removing the drill guide. | 10-16-2008 |
20080255668 | INTERSPINOUS PROCESS SPACERS - Interspinous implants including a spacer configured to fit between first and second adjacent spinous processes of a human spine, to maintain a minimum separation between the spinous processes. An implant also includes a fixation portion coupled to the spacer, in which the fixation portion engages at least one spinous process to hold the spacer in a stable position relative to the spinous process. An implant may be monolithic, non-fillable, and may be inserted between the spinous process from a lateral approach. The fixation portion may be configured as a bracket which can substantially encircle the spinous process, or as flanges which engage lateral sides of the spinous process(es). The spacer may be resilient, and may be expandable along the anterior/posterior direction between the spinous processes. An implant may provide resilient resistance during extension, and/or a uniform extension stop between the spinous processes. | 10-16-2008 |
20080255669 | INTERSPINOUS PROCESS SPACERS - Interspinous implants including a spacer configured to fit between first and second adjacent spinous processes of a human spine, to maintain a minimum separation between the spinous processes. An implant also includes a fixation portion coupled to the spacer, in which the fixation portion engages at least one spinous process to hold the spacer in a stable position relative to the spinous process. An implant may be monolithic, non-fillable, and may be inserted between the spinous process from a lateral approach. The fixation portion may be configured as a bracket which can substantially encircle the spinous process, or as flanges which engage lateral sides of the spinous process(es). The spacer may be resilient, and may be expandable along the anterior/posterior direction between the spinous processes. An implant may provide resilient resistance during extension, and/or a uniform extension stop between the spinous processes. | 10-16-2008 |
20080262620 | SPRING MEMBER FOR ARTIFICIAL INTERVERTEBRAL DISC AND METHOD OF INSERTING DISC - A spring member for an artificial intervertebral disc includes a substantially annular body including an axially extended bore therethrough defining a passageway. A seat extends radially inward towards the bore for seating therein a bearing member for adjusting and compensating vertebral disc motion. An engagement member extends radially outwardly from the bore for engaging a housing member and securing the spring member within the housing member. The spring member absorbs compressive loads between the bearing member and the housing member while controlling motion and position of the bearing member. | 10-23-2008 |
20080262621 | I-BEAM SPACER - An I-beam spacer for intervertebral fusion comprises a first flange and a second flange. The first and second flanges are spaced apart from one another and have planar structures. In addition, the first and second flanges include a first outer surface and a second outer surface transverse to the support member. The first and second outer surfaces face away from each other. Also, the first and the second flanges have a first inner surface and a second inner surface transverse to the support member, wherein the first and second inner surface face toward each other. A support member is positioned between the first flange and the second flange. The support member is transverse to the first flange and the second flange. A space is formed between the first flange and the second flange. This space is adapted to receive a bone support matrix. | 10-23-2008 |
20080262622 | Spinal disc prostheses - A spine disc prosthesis mimics a natural human spine disc through use of a structure that duplicates a natural Annulus Fibrosis of the disc to provide translation, extension, flexion, and axial support in like manner to a natural disc. The present spine disc prosthesis achieves this through the use of a first and second disk connected to one another via a flexible annulus fibrosis structure. The flexible annulus fibrosis structure or core is characterized by a plurality of compressible (pliant) strands that are affixed to and extend between the first and second disks. The strands are preferably, but not necessarily, situated on and extend about an outer perimeter of inside surfaces of the two end disks so as to mimic natural contours of an annulus fibrosis of a natural spinal disc. The strands may be formed by various types of biocompatible fibers, braids, cords, bundles or the like and may have a hollow core or a solid core (e.g. PEEK [polyetheretherketone] cores/core strands may also be used). The strands may be situated on the vertical, crossed or in other configurations. The end disks may be formed as to promote fusion with adjoining vertebrae when implanted. The end plate may also include a keel and/or installation structure to allow for implanting the spine disc prosthesis. | 10-23-2008 |
20080262623 | Composite interbody spinal implant having openings of predetermined size and shape - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture. The single vertical aperture extends from the top surface to the bottom surface, has a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and defines a transverse rim. The body may be non-metallic and may form one component of a composite implant; the other component is a metal plate disposed on at least one of the top and bottom surfaces of the body. | 10-23-2008 |
20080269900 | Surgical Implants - A series of disc prostheses are provided, the series including at least a first prosthesis and a second prosthesis, the first prosthesis differing in size and differing in one or more materials from which it is formed compared with the second prosthesis, the first and second prosthesis being of the same type. In this way a surgeon can select from the series the appropriate size so as to mimic the size of natural disc being replaced in a particular patient. As well as mimicking size, however, the invention also provides that the elastomer used in each different size has a different Shore hardness. This allows the intended stiffness and/or shock absorbing properties to be provided in each disc size and so provides for full mimicking of the natural disc in each size. | 10-30-2008 |
20080269901 | SPINAL IMPLANT - A spinal implant for insertion in the intervertebral space is formed as a hollow cage, wedge shaped in profile, with a lesser height leading end for a low profile entry. The cage has two open sides with a plurality of angled teeth along opposite longitudinal edges for engaging the end plates of adjacent vertebrae when the cage is rotated into position. One portion of the angled teeth are angled toward an end of the cage and another portion of the angled teeth are angled away from that end to provide a lock preventing the cage from migrating ventrally or dorsally from the spine. Upon rotation, the leading end has a greater height than the trailing end. | 10-30-2008 |
20080269902 | CERVICAL IMPLANT - A spinal implant for insertion between adjacent vertebrae for promoting fusion of the vertebrae is a wedge shaped body with upper and lower plates separated by pyramidal sides with one large end and one small end enclosing the body. The upper and lower plates have elongated openings oriented perpendicularly to each other to form an internal labyrinth. The upper and lower openings are to be filled with thin layers of bone graft material to promote rapid ingrowth of living tissue. | 10-30-2008 |
20080269903 | Intervertebral disc nucleus replacement implants and methods - An intervertebral disc nucleus replacement implant for positioning between adjacent vertebrae of a spinal segment comprises opposing superior and inferior end portions substantially aligned along a longitudinal axis and a compressible, elastic body surrounding part of the end portions. Each of the end portions includes a convex outer surface for contacting respective endplates of the adjacent vertebrae. Additionally, the elastic body includes an outer surface, with the implant having an outer periphery comprising the outer surfaces of the end portions and the outer surface of the body. In certain embodiments, the elastic modulus of the body is lower than the elastic modulus of each of the end portions and the body extends outward of the end portions transverse to the longitudinal axis, such that the body is configured to limit the amount of subsidence of the implant relative to the adjacent vertebrae. | 10-30-2008 |
20080269904 | Lumbar disc replacement implant for posterior implantation with dynamic spinal stabilization device and method - The invention consists of disc replacement implant for the lumbar spine designed for insertion into the disc space via a posterior approach. The implant can be stabilized in the disc space by connection to the vertebra or can be connected to dynamic spinal stabilization device consisting of interconnected bullets nested in a spring nested in a woven sleeve. By controlling the limits of elongation and compression the device prevents movement beyond normal physiological limits. In the midrange of movement flexibility is allowed. A method for using the dynamic spinal stabilization device is also provided. | 10-30-2008 |
20080269905 | CERVICAL INTERVERTEBRAL PROSTHESIS SYSTEM - A cervical intervertebral prosthesis system includes prostheses which each have a hinge with a predefined center of hinge movement. To permit better adaptation to the different hinge radii of the cervical intervertebral disks, the cervical intervertebral prostheses of the system include at least two different prostheses with different hinge radii. | 10-30-2008 |
20080281424 | Orthopaedic Implants and Prostheses - The invention relates to an implant for repairing a damaged body structure that comprises or is associated with bone parts. In one aspect a spinal implant includes an inferior member having an inferior end surface for engaging a superior face of an inferior vertebral body and a longitudinal portion; a superior member having a superior end surface for engaging an opposing inferior surface of a second vertebral body, and a portion adapted to cooperate with the longitudinal portion of the inferior member such that the superior member is moveable relative to the inferior member by sliding in the longitudinal direction; and fixating means for securing the superior member to the inferior member. Also described are instruments and methods used in the repair of such damaged body structures. | 11-13-2008 |
20080281425 | Orthopaedic Implants and Prostheses - Disclosed herein are modular spinal implants having components which are interlocked together to form a single implant. Specifically exemplified herein are implants that are sectioned along a longitudinal plane. Implants are disclosed which include channels for inter-fragmentary association with an elongate bone screw and which allow for angular variability of the screw relative to the channel. Also disclosed is an anti-backout mechanism that helps prevent fixators from backing out upon securement of the implant in the spine. Kits comprising different sizes and inclination angles of components are disclosed, which can assist the surgeon in preoperatively assembling an implant to best fit in the surgical site of the patient. | 11-13-2008 |
20080281426 | Patient Selectable Joint Arthroplasty Devices and Surgical Tools - A patellar 3-D guidance tool includes a template. The template includes at least one contact surface for engaging a surface of the patella. The at least one contact surface substantially conforms with the surface associated with the patellar. At least one guide aperture directs movement of a surgical instrument, wherein the shape and/or position of the guide aperture is based, at least in part, on three or more anatomic reference points associated with the patellar. | 11-13-2008 |
20080288074 | INTERNALLY REINFORCED ELASTOMERIC INTERVERTEBRAL DISC IMPLANTS - Two techniques to minimize intervertebral disc height loss due to polymer creep following implantation of an elastomeric disc with the use of internal reinforcement are disclosed. The specific devices and methods relate to use of (i) singular or multiple internal reinforcement members to increase construct stiffness, reduce peripheral bulging and corresponding height loss; and (ii) internal elastomer fillers of various shapes which are compounded into the elastomer to share the load and constrain the elastomeric material from excessive deformations. | 11-20-2008 |
20080288075 | SPINE DISTRACTION IMPLANT AND METHOD - A spine distraction implant alleviates pain associated with spinal stenosis and facet arthropathy by expanding the volume in the spine canal and/or neural foramen. The implant provides a spinal extension stop while allowing freedom of spinal flexion. | 11-20-2008 |
20080288076 | Spinal interbody spacer - A spinal spacer for engagement between vertebrae includes a body having a substantially contoured first end surface at a distal end and a second end surface opposite thereto at a proximal end. The body extends between the first and second end surfaces to define top and bottom vertebral engaging surfaces that are opposed to one another. The body extends between the top and bottom vertebral engaging surfaces to define opposed side surfaces. The top and bottom vertebral engaging surfaces intersect with the side surfaces to provide a substantially quadrilateral cross-section with rounded corners. The top and bottom vertebral engaging surfaces have a substantially streamlined convex profile. The surfaces converge at the distal end to define a substantially atraumatic blunt nose having a tip configured with planar and/or convex surfaces. | 11-20-2008 |
20080288077 | Prosthetic Disc Assembly Having Natural Biomechanical Movement - Described here is a surgical device. Specifically, the device is a prosthetic spinal implant that replaces a natural disc in the spine. The device has biomechanical attributes substantially similar to a natural disc. | 11-20-2008 |
20080288078 | PERCUTANEOUS SPINAL IMPLANTS AND METHODS - Medical devices and related methods for the treatment of spinal conditions are described herein. In one embodiment, a method includes disposing at least a portion of an implant in a space between adjacent spinous processes. The implant has a support member, a distal hub member, and an expandable member. At least a portion of the support member is disposed into the space between the adjacent spinous processes. A threaded member coupled to the distal hub member is rotated in a first rotational direction such that the distal hub member is moved in a first direction along a path defined by a longitudinal axis of the support member and at least a portion of the expandable member is moved to an expanded configuration. | 11-20-2008 |
20080294260 | SPINAL IMPLANT SYSTEM AND METHOD - Embodiments of the present invention provide a spinal implant system and method. One embodiment of the present invention includes a spinal implant comprising, a first implant plate, a second implant plate, a spacer member coupled between the first implant plate and the second implant plate and an end plate coupled to the spacer member, the end plate configured to couple to adjacent vertebrae. The implant plates can include spacer channels that receive the spacer member and insertion tool channels that receive an insertion tool. Preferably, on each implant plate, the spacer channel is near the center of the plate and the insertion tool channels are on either side of the spacer channel. The spacer channels and insertion tool channels can be dovetailed or otherwise shaped to capture a portion of the spacer member and insertion tool. Mating connectors can prevent removal of the spacer member from the spacer channels. | 11-27-2008 |
20080294261 | Method for treating herniated discs - A method is effective for treating herniated discs. The method includes (a) surgically remove a herniated portion of disc annulus from a herniated disc, or surgically depressing and holding a herniated portion of disc annulus within original boundaries of the herniated disc, and (b) re-enforcing the surgically treated disc with an effective amount of a biocompatible degradable polymeric compound, such as a fibrin sealant. | 11-27-2008 |
20080294262 | Cages for Setting and Intersomatically Fusing Vertebrae - A system for setting and intersomatically fusing vertebrae comprises at least one case and a plate perpendicularly adjacent to the main plane of said case, wherein said plate ( | 11-27-2008 |
20080294263 | Interspinous spacer - An implantable spacer for placement between adjacent spinous processes in a spinal motion segment is provided. The spacer includes a body defining a longitudinal axis and passageway. A first arm and a second arm are connected to the body. Each arm has a pair of extensions and a saddle defining a U-shaped configuration for seating a spinous process therein. Each arm has a proximal caming surface and is capable of rotation with respect to the body. An actuator assembly is disposed inside the passageway and connected to the body. When advanced, a threaded shaft of the actuator assembly contacts the caming surfaces of arms to rotate them from an undeployed configuration to a deployed configuration. In the deployed configuration, the distracted adjacent spinous processes are seated in the U-shaped portion of the arms. | 11-27-2008 |
20080300688 | INTERVERTEBRAL IMPLANT COMPONENT WITH THREE POINTS OF CONTACT - A method of implanting an intervertebral implant or component thereof, in which each component is selected to have an inner surface and an outer surface which engages an adjacent vertebra and presents only three distinct points of contact with a cortical rim of the vertebra. The outer surface is selected to have a footprint which is sized to be within that of the cortical rim. In disclosed embodiments, the footprint can be convexo-concave shaped or kidney shaped. The intervertebral implant can be provided with upper and lower (or first and second) components which engage adjacent first and second vertebrae and which move relative to one another. The implant has both the first and second outer surfaces sized to present a respective footprint sufficient for two lateral-anterior and one posterior points of contact with an adjacent cortical rim of the respective first and second vertebra. | 12-04-2008 |
20080306595 | Porous Implant For Spinal Disc Nucleus Replacement - A spinal implant is provided in which the implant includes a porous component ( | 12-11-2008 |
20080306596 | INTERBODY FUSION DEVICE AND ASSOCIATED METHODS - A method and apparatus is provided for use in spinal fusion procedures. An interbody fusion device has a first piece that is a load bearing device designed to bear the axial loading from the end plates of adjacent vertebrae. A second piece of the interbody fusion device is a retention device whose function is to prevent migration of the load bearing device. One or more fasteners secure the retention device to the vertebrae above and below the load bearing device. The fasteners cause the end plates of the vertebrae to compress the end plates to the load bearing device to facilitate proper fusion. | 12-11-2008 |
20080306597 | INVERTEBRAL DISC PROSTHESIS FOR THE CERVICAL SPINE IN THE DOG - A cervical disc prosthesis or invertebral disc prosthesis that includes a first disc comprising a protrusion connected to a disc body and a convex surface facing a first cervical vertebra when implanted, and a second disc comprising a socket recessed in a disc body, and a convex surface facing a second cervical vertebra when implanted. The second disc remains substantially parallel to the first disc and axially spaced from the first disc. The protrusion is adapted to fit into the socket to join the first disc with the second disc, and the protrusion is fit for pivoting movement into the socket. Also provided is a method for implanting the inventive cervical disc prosthesis or the inventive invertebral disc prosthesis into an intervertebral disc area defined between two adjacent vertebrae. | 12-11-2008 |
20080306598 | SPINAL IMPLANT WITH BIOLOGIC SPONGE - The present invention provides an intervertebral prosthesis generally defining a first wall, a second wall, sidewalls extending from the first wall to the second wall, and an upper surface and a lower surface. One or more passages may be included providing for an affixation element, to be inserted therethrough. The passages may each include a first portion for receiving a head or tip of an affixation element, and a second portion of a smaller diameter, where a substantial amount of the second portion of the passage located above or below a midline of the prosthesis. One or more openings may also be provided on the spinal prosthesis for coupling the prosthesis to a surgical tool, and the upper and lower surfaces of the prosthesis may include a depression or portion void of any teeth for the insertion of the prosthesis where a distraction tool is situated about the surgical site. | 12-11-2008 |
20080306599 | Spinal interbody device - A multi-material spinal interbody device includes an inner dampener of compressible material in combination with a rigid outer material. The rigidity of the outer periphery of curved surfaces of the device, such as in an eluipsoid shape, provide support as a replacement to the nucleus propulsus, with the inner dampener providing for absorption of spinal forces. | 12-11-2008 |
20080312742 | Anterior Spinal Fusion and Fixation Cage with Integrated Plate and Method of Use - The present invention provides a fixation and fusion cage with interlocking plate comprising a central cage portion and interlocking plate that rigidly attaches to the front of the cage. The cage can be varied in shape to account for various clinical necessities such as lordosis. The invention may be installed in an offset configuration so as to avoid damage to blood vessels. The device may be constructed from radiolucent material to allow for visualization of bone fusion within the cage. | 12-18-2008 |
20080312743 | Nucleus Prostheses - An nucleus prosthesis is disclosed having a plurality of linked segments configured to form, in a closed position, a disc shape. A method includes inserting a plurality of linked segments into an annulus fibrosus and closing the prosthesis so that a first segment inserted into the annulus fibrosus and a last segment inserted into the annulus fibrosus are substantially abutted. Another method includes inserting a plurality of linked segments into an intervertebral disc space and closing the prosthesis so that a first segment inserted into the intervertebral disc space and a last segment inserted into the intervertebral disc space are substantially abutted. | 12-18-2008 |
20080312744 | SUPPLEMENTATION OR REPLACEMENT OF A NUCLEUS PULPOSUS OF AN INTERVERTEBRAL DISC - A degenerated nucleus pulposus located in a central core region of an intervertebral disc within the annulus fibrosus is supplemented or replaced by a method wherein an amount of a biocompatible material is introduced into the central core region by a process including the steps of 1) forming a channel through a vertebral body adjacent to said intervertebral disc, extending from an exterior surface of the vertebral body to the central core region of the annulus fibrosus; 2) introducing an amount of a biocompatible material through the channel into the central core region of the annulus fibrosus; 3) pressurizing the biocompatible material through the channel to a postsurgical pressure sufficient to alleviate symptoms caused by the degenerated nucleus pulposus; and 4) sealing the channel while maintaining the sufficient postsurgical pressure. After sealing the channel, a vertebroplasty may optionally be performed in the vertebra. | 12-18-2008 |
20080319549 | EXPANDABLE SUPPORT DEVICE AND METHOD OF USE - A device for separating a first bone from a second bone is disclosed. The device can be an expandable orthopedic jack. The device can be used to treat spinal stenosis. The device can be deployed between adjacent spinous processes and then increased in height to reduce pressure on nearby nerves. Methods for using the device are also disclosed. | 12-25-2008 |
20080319550 | Interspinous spacer - An implantable spacer for placement between adjacent spinous processes is provided. The spacer includes a body and a wing rotatable connected to the body. The wing includes two U-shaped configurations that together define a substantially H-shaped configuration for retaining the spacer between adjacent spinous processes. An actuator assembly is connected to the body and to the wing with the proximal end of the spacer being connectable to a removable driver that is configured to engage the actuator assembly. While connected to the spacer, the driver is rotatable in one direction to deploy the wing from an undeployed to a deployed configuration and in an opposite direction to undeploy the wing. In the deployed configuration, the spacer acts as a space holder opening up the area of the spinal canal, maintaining foraminal height, reducing stress on the facet joints and relieving pain for the patient. | 12-25-2008 |
20090005872 | Intervertebral Motion Disc With Helical Shock Absorber - This invention relates to an intervertebral motion disc having two opposing endplates, a central articulating core, and a peripheral helical shock absorber. | 01-01-2009 |
20090005873 | Spinous Process Spacer Hammock - An interspinous spacer comprising:
| 01-01-2009 |
20090005874 | Compressible, rotatable, and tiltable hydraulic spinal disc prosthesis system with selectable modular components - A modular hydraulic spinal intervertebral prosthetic device offering individualized optimization of an implantable disc prosthesis by having selectable crown plates modules with differing lordosis angles and differing cross-sectional profiles, and selectable bellows cartridges having differing load-bearing capabilities. The device offers substantially full physiological degrees of motion, and by the incorporation of both a dashpot mechanism and a biasing element within reversibly displaceable and tiltable bellows provides hydraulic load bearing capability. The bellows assembly is advantageously pre-loaded to sub-atmospheric pressure. The dashpot assembly further increases resistance to lateral shear loading beyond the bellows convolutions acting alone. Rotational coupling of the upper crown plate and center bearings plate permits normal twisting movements, and spinal flexural freedom is provided by the bellows interposed between the center bearings plate and the lower end plate. The bellows also provides a hermetic seal which prevents any wear debris from migrating to the surrounding body tissue. | 01-01-2009 |
20090012620 | Implantable Cervical Fusion Device - The present invention relates to an implantable intervertebral device that is made of a bone body substantially conforming in size and shape with the enplates of adjacent vertebrae. The bone body has a top surface, a bottom surface, and, a cavity, which extends from the top surface to the bottom surface. The cavity is filled with osteoconductive or osteoinductive graft material. | 01-08-2009 |
20090012621 | Disc Fusion Implant - An implant prosthesis is disclosed. In some cases, the prosthesis can take the form of an implant strip may be implanted through the use of a surgical procedure that minimizes incision sizes and may be considered less invasive than typical spinal implant procedures. | 01-08-2009 |
20090012622 | Disc Fusion Implant - An implant prosthesis is disclosed. In some cases, the prosthesis can take the form of an implant strip may be implanted through the use of a surgical procedure that minimizes incision sizes and may be considered less invasive than typical spinal implant procedures. | 01-08-2009 |
20090012623 | Disk Fusion Implant - An implant strip is disclosed. In some cases, the prosthesis can take the form of an implant strip that may be implanted through the use of a surgical procedure that minimizes incision sizes and may be considered less invasive than typical spinal implant procedures. The implant strip includes provisions for implantation, including teeth, spacing provisions and various shapes. | 01-08-2009 |
20090018659 | INVERTEBRAL SPINAL IMPLANT AND METHOD OF MAKING THE SAME - An invertebral implant for replacing a damage invertebral disk within the spinal column can include a generally flat body having opposing surfaces. To promote bone growth and fusion of the adjacent vertebrae together, in an aspect, the implant can be provided with osteogenic or medicinal material received into one or more apertures disposed into the surfaces of the implant. To better retain the osteogenic material, the apertures can be disposed on a non-perpendicular angle with respect to the implant and/or can be tapered. In another aspect, the implant can include a plurality of grooves disposed across a surface to reduce slipping of the inserted implant between the adjacent vertebrae. In a further aspect, the implant can be formed by cutting a plurality of implants parallel along the diaphysis of a long bone. In another aspect, the implant can be generally as a bow or question mark. | 01-15-2009 |
20090018660 | HYBRID FUSION/ARTHROPLASTY DEVICE - The present embodiments relate to a joint treatment device for improved treatment of a diseased joint. The joint treatment device comprises first and second components, which are coupled to first and second bone portions, respectively, at the joint. The first component and the second component are configured to be coupled together in a first configuration to promote fusion of the joint, and further are configured to be coupled together in a second configuration to promote arthroplasty of the joint. Additionally, a screwdriver is disclosed that may advance the first and second component simultaneously or independently. Further, a joint distraction device is disclosed, which may be used to vary spacing between the first bone portion and the second bone portion at the joint. | 01-15-2009 |
20090018661 | Prosthetic Intervertebral Discs - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 01-15-2009 |
20090018662 | INTERVERTEBRAL IMPLANT FOR THE LUMBOSACRAL JOINT - The invention provides an intervertebral implant for the lumbo-sacral joint, the implant comprising a spacer ( | 01-15-2009 |
20090018663 | INTERVERTEBRAL IMPLANT AND ASSOCIATED METHOD - An intervertebral implant and associated method. The intervertebral implant can include a first component having a first articulating surface and a first bone engagement surface for engaging a first vertebra, and a second component having a second articulating surface and a second bone engagement surface for engaging a second vertebra adjacent to the first vertebra. The first and second articulating surfaces can articulate with each other for substantially replicating a natural spinal movement. The first and second bone engagement surfaces can define an outer surface substantially shaped as an envelope of two intersecting cylinders. In one aspect, the first and second articulating surfaces can have substantially equal radii of curvature in a coronal plane and different radii of curvature in a sagittal plane. | 01-15-2009 |
20090024217 | EXPANDABLE BONE DEVICE - An expandable bone device including first and second bone support elements, a manipulator positioned between the first and second bone support elements and connected to them by link members, the manipulator adapted to move the first and second bone support elements between a collapsed orientation and an expanded orientation, wherein in the collapsed orientation the first and second bone support elements are drawn towards the manipulator and in the expanded orientation the first and second bone support elements are moved outwards away from a longitudinal axis of the manipulator, and deformable support struts connected between the manipulator and the first and second bone support elements that deform when moved by the manipulator from the collapsed orientation to the expanded orientation and vice versa, wherein in the expanded orientation the deformable support struts form a structure that maintains the first and second bone support elements in the expanded orientation. | 01-22-2009 |
20090024218 | Intervertebral Implant - An intervertebral implant, specifically an artificial intervertebral disk, with a central axis, and an upper plate-shaped section, suitable for laying onto the base plate of a vertebral body lying on top, a lower plate-shaped section, suitable for laying onto the cover plate of a vertebral body lying below, wherein a central, plate-shaped section is arranged between the upper and the lower sections, a first circular-cylindrical rod with a longitudinal axle is arranged between the upper section and the central section, and a second circular-cylindrical rod with a longitudinal axle is arranged between the lower section and the central section. | 01-22-2009 |
20090024219 | POLYMERIC JOINT COMPLEX AND METHODS OF USE - The invention describes a variety of implantable artificial joint complexes adapted for implantation within a target joint space within a human body. The joint complexes comprise: an expandable joint segment adapted to fit within the target joint space; and at least one of a first cannulated anchor adapted to engage the expandable joint segment and adapted to engage a bony structure adjacent the target joint space; and a second anchor adapted to engage the expandable joint segment and adapted to engage a bony structure adjacent a target joint space. The invention also discloses methods of implanting a patient specific artificial joint complex. The methods include the steps of: accessing a target joint space by creating an access hole through an adjacent bony structure; inserting a joint complex device having a cannulated anchor and an expandable joint segment through the access hole with the expendable joint segment being positioned between the surfaces forming the joint; injecting material into the expandable joint segment; and sealing access to the target joint space. | 01-22-2009 |
20090030519 | INTERVERTEBRAL CAGE DESIGNS - Cage systems that improve upon the prior art in various ways. In the preferred embodiments, devices are radiolucent, with markers, thereby allowing visualization of placement without excessive obscuration. Devices according to the invention eliminate multiple steps, instruments and trays, while being capable of a custom fit. The devices according to the invention permit easier and greater access to end plate surface area, and can be used with autografts, allografts, and biologics. | 01-29-2009 |
20090030520 | FIXATION DEVICE FOR BONES - A fixation device for bones includes a member which is to be fixed to one or more bones and has at least one bore for receiving a bone screw, wherein the at least one bore comprises a first internal thread portion. The bone screw has a first shaft section provided with a first external thread portion arranged to cooperate with the internal thread portion of the at least one bore, and a head section having a diameter larger than that of the shaft section to provide a catch arranged to engage with a stop formed in the bore. The bone screw further has a second shaft section which includes a clearance groove extending between the catch of the head section and the external thread of the first shaft section. The clearance groove allows disengagement of the two thread portions, such that the bone screw is prevented from being unscrewed off the bore when it is loosened within the adjacent bone. The member can also include a side wall of a cage used in an intervertebral implant device, or can represent a plate of a bone plate assembly. | 01-29-2009 |
20090030521 | ELASTOMERIC INTERVERTEBRAL DISC PROSTHESIS - An intervertebral disc prosthesis includes upper and lower rigid endplates and an elastomeric core structure located between the endplates and attached thereto, wherein the elastomeric core structure has a centroid positioned posterior to a centroid of at least one of the endplates. | 01-29-2009 |
20090030522 | Method and Apparatus for the Treatment of the Intervertebral Disc Annulus - The present invention provides methods and devices for treating the annulus of an intervertebral disc. The methods and devices can employ an expandable treatment device which is deployed at least partially in the subannular space. Fixation devices and methods are also disclosed, which help to secure the treatment device in place. | 01-29-2009 |
20090030523 | Veretebra Stabilizing Assembly - An implant assembly for implantation between upper and lower spinous processes includes an interspinous implant and a removable clip. The implant may have an interspinous portion having upper and lower surfaces for engagement with the respective upper and lower spinous process, and a thickness therebetween sufficient to restore anatomical tension to the supra-spinous posterior ligament. Upper and lower pairs of lugs extend from the interspinous portion for interfacing with the respective spinous processes. One or more of the lugs of each pair is movable between an insertion configuration and a retention configuration substantially perpendicular to the retention configuration. The removable clip engages the relevant lugs to selectively retain the same in the insertion configuration. | 01-29-2009 |
20090036987 | ARTIFICIAL INTERVERTEBRAL DISC - An artificial intervertebral disc and method of attaching the disc to vertebral bodies includes a plurality of separate structural members arranged in a stacked configuration, wherein each structural member comprises a female cavity having a unique size compared with the female cavities of the other structural members, wherein a top and middle structural member comprise male bodies defined by outer edges of the respective female cavities of the top and middle structural members, wherein the male body of the top structural member is dimensioned and configured to sit in the female body of the middle structural member, wherein the male body of the middle structural member is dimensioned and configured to sit in the female body of a bottom structural member, and wherein each of the top and bottom structural member comprise at least one projecting member outwardly extending therefrom. | 02-05-2009 |
20090036988 | METHOD OF USING AN ANTI-GROWTH MATRIX AS A BARRIER FOR CELL ATTACHMENT AND OSTEO-INDUCTIVE FACTORS - The present invention generally relates to a method of using a matrix as a barrier for unwanted cell attachment and bone formation in unwanted areas of the human body during implant procedures. More specifically, a growth-inhibiting matrix may be used to prevent migration of osteo-inductive agents or bone tissue from an intervertebral disc space through the outer bands of annulus fibrosis that abuts the spinal tissue, canal, and other surrounding areas. | 02-05-2009 |
20090036989 | Method and Apparatus for the Treatment of the Intervertebral Disc Annulus - The present invention provides methods and devices for treating the annulus of an intervertebral disc. The methods and devices can employ an expandable treatment device which is deployed at least partially in the subannular space. Fixation devices and methods are also disclosed, which help to secure the treatment device in place. | 02-05-2009 |
20090036990 | Method and Apparatus for the Treatment of the Intervertebral Disc Annulus - The present invention provides methods and devices for treating the annulus of an intervertebral disc. The methods and devices can employ an expandable treatment device which is deployed at least partially in the subannular space. Fixation devices and methods are also disclosed, which help to secure the treatment device in place. | 02-05-2009 |
20090043390 | Parts Assembly and Part for a Prosthesis - The invention relates to a parts assembly for a prosthesis, particularly a cervical spine intervertebral disc prosthesis, comprising two base parts ( | 02-12-2009 |
20090043391 | Customized Intervertebral Prosthetic Disc with Shock Absorption - A prosthesis system comprises plates that can be positioned against vertebrae and a selected resilient core that can be positioned between the plates to allow the plates to articulate. The selected resilient core can be chosen from a plurality of cores in response to patient characteristics, such as age and/or intervertebral mobility, such that the prosthesis implanted in the patient is tailored to the needs of the patient. The plurality of cores may comprise cores with different resiliencies, and one of the cores can be selected such that the upper and lower plates articulate with the desired shock absorbing resiliency and/or maximum angle of inclination when the one selected core is positioned between the plates. | 02-12-2009 |
20090043392 | Artificial Spinal Disc - An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate. | 02-12-2009 |
20090043393 | Artificial Spinal Disc - An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate. | 02-12-2009 |
20090043394 | Spinal fusion implants and tools for insertion and revision - An interbody fusion device in one embodiment includes a tapered body defining a hollow interior or chamber for receiving bone graft or bone substitute material. The body defines exterior threads which are interrupted over portions of the outer surface of the device. The fusion device includes truncated side walls so that on end view the body takes on a cylindrical form. In another embodiment, the tapered body is solid and formed of a porous biocompatible material having sufficient structural integrity to maintain the intradiscal space and normal curvature. The material is preferably a porous tantalum composite having fully interconnected pores to facilitate complete bone tissue ingrowth into the implant. In further embodiments, the fusion devices are provided with osteogenic material to facilitate bone ingrowth. A cap is also provided to block the opening of hollow fusion devices. The cap includes an occlusion body and an elongated anchor. In some embodiments the anchor includes a lip which is engageable to openings in the body wall. Tools are also provided for manipulating caps for interbody fusion devices. In one embodiment the tool includes a pair of prongs each having facing engagement surfaces for engaging the fusion device, and a shaft slidably disposed between the prongs. The shaft has a first end defining a cap-engaging tip for engaging a tool hole in the cap. In one embodiment the cap engaging tip defines threads. In another embodiment the prongs include a pair of releasing members on each of the facing engagement surfaces. The releasing members have a height and a width for being insertable into apertures in a body wall in the fusion device to disengage the elongate anchors from the apertures. | 02-12-2009 |
20090048675 | Spinal Fusion Implants with Selectively Applied Bone Growth Promoting Agent - A spinal fusion device including a selectively applied bone growth promoting agent is disclosed. In particular, a bone growth promoting agent is selectively applied to spinal implants, spinal plugs, spinal wedges and other implantable devices. | 02-19-2009 |
20090048676 | SPINE SURGERY METHOD AND MOTION PRESERVING IMPLANT - A spinal implant may be deployable, when positioned within a vertebral space between a pair of vertebral bodies, from a first laterally non-expanded condition to a second laterally expanded condition. The spinal implant may include top beams and bottom beams separated by at least one post that is, in one embodiment, length variable in response to a load put on the implant after deployment of the implant. In an alternate embodiment, at least one post is laterally variable in response to a load put on the implant. In another embodiment, one of the posts may be centrally located. | 02-19-2009 |
20090048677 | Bioresorbable Spinal Implant and Related Methods - A prosthesis for the replacement of an intervertebral disc of the spine comprises a block of an elastomeric material, which is held under compression by an encapsulating textile fabric. A preferred version of the invention has flanges that are continuations of the encapsulating fabric forming an interdigitation, with the continuation of the upper fabric passing through a hole in the lower fabric and being attached to the lower vertebral body and the continuation of the lower fabric crossing to its fixation site on the upper vertebral body. Optionally, the flanges are resorbable, over time leaving only the implant core and encapsulation fabric in the intervertebral space. | 02-19-2009 |
20090048678 | SPINAL DISC ANNULUS AUGMENTATION - Intervertebral disc implants are provided for augmenting the annulus of the disc in a manner to bear at least part of the axial and/or torsional load on the annulus so that rents, fissures and subsequent herniation of the disc are prevented or substantially delayed. An aspect of the subject devices is that they have an operative height dimension that is equal to or less than the disc height of a normally functioning, healthy disc. Methods and tools are also provided for the minimally invasive implantation of the device within an intervertebral disc. | 02-19-2009 |
20090054987 | SPINAL FUSION ASSEMBLY - An improved interbody spinal fusion assembly for fusing a first vertebra to a second vertebra includes an interbody cage, a first plate and a second plate. The interbody cage is configured to be implanted between the first and second vertebras and comprises through-apertures configured to be filled with bone fusing material. The first plate comprises an L-shaped body having a first end configured to be attached to a first location of the interbody cage, a second end configured to be attached to a first location of the first vertebra and a corner formed between the first and second ends and configured to be attached to a second location of the first vertebra or a third location of the interbody cage. The second plate comprises a first end configured to be attached to a second location of the interbody cage and a second end configured to be attached to a first location of the second vertebra. | 02-26-2009 |
20090054988 | Interspinous implants and methods for implanting same - A spinal implant for treating lumbar spinal stenosis or as an adjunct to spinal fusion. The implant includes a body portion having an interior cavity. A plurality of locking wings are adapted and configured to move between a stowed position retracted within the interior cavity of the body portion and a deployed position extended from the interior cavity of the body portion. In the deployed position, the wings fix the implant in a selected interspinous space. A cable and wheel arrangement moves the plurality of locking wings from the stowed position to the deployed position and a ratchet/pawl assembly prevents backward movement of the wings. | 02-26-2009 |
20090054989 | INTERVERTEBRAL IMPLANT - Disclosed is an intervertebral implant ( | 02-26-2009 |
20090054990 | MULTI-LUMEN MOLD FOR INTERVERTEBRAL PROSTHESIS AND METHOD OF USING SAME - A multi-lumen mold is for the in situ formation of a prosthesis in an intervertebral disc space located between adjacent vertebrae of a patient. The multi-lumen mold a flexible mold, a first lumen, a second lumen and a curable biomaterial. The flexible mold is shaped to be positioned in the intervertebral disc space. The first lumen and the second lumen each have a distal end is fluidly coupled to the flexible mold at a first location and a second location, respectively. The first lumen is shaped to extend out through a first opening extending through one of the adjacent vertebrae when the mold is positioned in the intervertebral disc space. The curable biomaterial is delivered into the flexible mold through at least one of the first and second lumens. The first and second locations can optionally be located on generally opposite sides of the mold, on the same side of the mold, or a variety of other configurations. One or more securing members can be used to secure the mold in the intervertebral disc space. The securing members can engage with the annulus, the end plates, and/or another surface of a vertebrae. | 02-26-2009 |
20090054991 | TRANSFORAMINAL LUMBAR INTERBODY FUSION CAGE - A spinal cage system for inserting a spinal cage assembly into a spine to separate and support adjacent spinal vertebrae, includes a first cage member; a second cage member; and an articulating mechanism adapted to connect the first cage member to the second cage member and to permit the first and second cage members to move relate to each other. An insertion instrument is adapted to capture the spinal cage assembly for insertion of the spinal cage assembly into a spine and to rotate the first and second cage members relative to each other to achieve a desired orientation in the spine. | 02-26-2009 |
20090062916 | Method and apparatus for an osteotomy fixation or arthrodesis cage - A method and apparatus for an osteotomy fixation or arthrodesis cage allows the adjustment of the relative position of two bone segments while supporting the joining of those bone segments into one structure through the implant and methods described herein. The implant's embodiments fixate to the adjacent bones while inter-positioning its body between the bone segments. This inter-positioning allows anatomical adjustments in the distance between and angle of the bone segments. The adjustment is further enhanced by the use of shape memory materials that when activated through the application of heat energy, transition from a second shape to a first shape while changing the distance between the bones or their relative angle. This method and apparatus can be used on any adjacent bone or bone segments including but not limited to the vertebrae of the spine or long bone such as the tibia or metatarsal. | 03-05-2009 |
20090062917 | Spinal interbody replacement devices - A spinal interbody replacement device for supporting vertebrae in the space between the vertebrae includes a connecting member having upper and lower disc replacement members engageable thereto at opposite ends of the connecting member to provide a corpectomy device. The disc replacement members are sized to be positioned in a spinal disc space between adjacent vertebrae when disengaged from the connecting member. | 03-05-2009 |
20090062918 | Interspinous implant, tools and methods of implanting - Devices, tools and methods for minimally invasive implantation and distraction between spinous processes for treatment of spinous disorders. An interspinous implant device for distracting at least one pair of adjacent spinous processes includes a main body including a shaft having a longitudinal axis; and first and second arms extending transversely from the main body, wherein at least one of the first and second arms is slidably mounted with respect to the shaft. The arms are configured and dimensioned to extend laterally from both sides of the spinous processes when implanted therebetween and to be inserted between the spinous processes laterally from a single side thereof. The arms are variably positionable between a closed configuration, to facilitate insertion of the arms between the adjacent spinous processes, and an open configuration, in which the arms are separated from one another. | 03-05-2009 |
20090062919 | PROSTHETIC VERTEBRAL ASSEMBLY - Intervertebral disc prostheses are provided. More particularly, the invention provides disc prostheses that have adjustable disc heights, that are readily converted into fusion prostheses and that provide a range of motions that effectively mimic the natural range of motions of a spinal disc. | 03-05-2009 |
20090062920 | INTERVERTEBRAL DISC REPLACEMENT - An intervertebral disc replacement has two members attached to vertebral body endplates of two adjacent vertebrae. The two members are formed with respective articulation surfaces which form at least part of an articulation arrangement. When loaded with compressive axial force, the articulation arrangement supports the vertebral contact surfaces against the compressive force to ensure a predefined minimum intervertebral spacing, and allows a range of turning motion in all directions. The articulation arrangement is formed to provide an increase in the intervertebral spacing as a smooth function of angular displacement from a neutral position over at least part of the range of motion in each direction for each direction of motion, thereby providing motion attenuation and restoring forces. | 03-05-2009 |
20090062921 | Implant with openings adapted to receive bone screws - A spinal fusion implant for insertion between adjacent vertebral bodies has opposed upper and lower surfaces adapted to contact each of the adjacent vertebral bodies from within the disc space, a leading end for insertion between the adjacent vertebral bodies, and a trailing end opposite the leading end. The trailing end has an exterior surface and an outer perimeter with an upper edge and a lower edge adapted to be oriented toward the adjacent vertebral bodies, respectively, and a plurality of bone screw receiving holes. At least one of the bone screw receiving holes is adapted to only partially circumferentially surround a trailing end of a bone screw received therein. At least one of the bone screw receiving holes passes through the exterior surface and one of the edges so as to permit the trailing end of the bone screw to protrude beyond one of the edges. | 03-05-2009 |
20090069894 | Artificial Spinal Disc - The present invention relates to methods and devices for the treatment of disc disease and spinal deformities with an artificial disc replacement. | 03-12-2009 |
20090069895 | Prosthetic Intervertebral Discs Having Folding End Plates That Are Implantable By Minimally Invasive Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 03-12-2009 |
20090069896 | Prosthetic intervertebral discs with particulate-containing cores that are implantable by minimally invasive surgical techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 03-12-2009 |
20090069897 | Spinal Interbody Device - A spinal interbody or intravertebral device is provided for fusion and non-fusion spinal applications. The spinal interbody device allows for limited motion between adjacent vertebrae to help preserve normal motion between adjacent vertebrae (superior/inferior vertebrae) relative to the implanted spinal interbody device and limited rotational motion of the spinal interbody device, once implanted. Limitation of motion is achieved through one or more protrusions incorporated into the spinal interbody device. The protrusions preferably, but not necessarily, extend radially from a hub or ball-shaped body of the interbody device. In one form, a single protrusion extends radially about the hub of the interbody device to form a continuous band, ring or base about the hub. In this form, portions of the band may extend radially further from the hub than other portions of the band. Preferably, but not necessarily, in this form the band extends radially a greater distance from the hub in the posterior and anterior directions. In another form, a first protrusion extends radially from one side of the hub while a second protrusion extends radially from another side of the hub. Anchoring means may also be provided for attachment to upper and lower vertebrae. | 03-12-2009 |
20090076607 | Collapsible and Expandable Device and Methods of Using Same - The present invention provides a device ( | 03-19-2009 |
20090076608 | Intervertebral disc replacement prosthesis - An intervertebral disc replacement prosthesis for placement between a first vertebra and a second vertebra adjacent to the first vertebra. In one embodiment, the intervertebral disc replacement prosthesis includes a resilient member, which is formed from a single flat member, and three support members. The support members are housed in the resilient member that is arranged, in use, to be secured to the first and second vertebrae. The intervertebral disc prosthesis can generate a coupled motion in more than one possible direction responsive to a possible movement of at least one of the first and second vertebrae, among the resilient member, the first support member, the second support member, and the third support member. | 03-19-2009 |
20090076609 | Prosthetic Intervertebral Discs with Slotted End Plates That are Implantable By Minimally Invasive, Posterior Approach, Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 03-19-2009 |
20090076610 | Prosthetic Intervertebral Discs Having Balloon-Based Fillable Cores That are Implantable By Minimally Invasive Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 03-19-2009 |
20090076611 | Temporarily Bound Prosthetic Intervertebral Discs Implantable By Minimally Invasive Surgical Techniques - The described devices are bound spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 03-19-2009 |
20090076612 | Prosthetic Intervertebral Discs Having Substantially Cylindrical Cores Insertable Along Their Axes, That Are Suitable For Implantation By Minimally Invasive Surgical Techniques - The described devices are prosthetic, spinal disc replacement, implants having cores that are insertable after the end plates have been introduced into the intervertebral space. The discs may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 03-19-2009 |
20090076613 | INTERVERTEBRAL DISC PROSTHESIS - An intervertebral disc prosthesis includes a base plate, a top plate, a central axis extending through the center of the base plate and the top plate, and at least two springs arranged between the base plate and the top plate. The springs each have a loop-shaped section and two free ends. One of the free ends of the springs is connected to the base plate and the other one of the free ends is connected to the top plate. The loop-shaped section is directed away from the central axis. | 03-19-2009 |
20090076614 | Intervertebral Prosthetic Disc with Shock Absorption Core - An artificial intervertebral disc with shock absorption includes upper and lower plates disposed about a shock absorbing movable core. The upper and lower plates have an outer surface which engages a vertebrae and an inner bearing surface. The shock absorbing core includes a unitary member of a rigid material having at least one lateral cut between upper and lower surfaces of the core to allow the upper and lower surfaces to move resiliently toward and away from each other. This allows the core to absorb forces applied to it by the vertebrae. | 03-19-2009 |
20090076615 | Systems and Methods for Vertebral Disc Replacement - The present invention provides artificial disc prostheses, methods and instrumentation for implantation and revision thereof. Each prosthesis may comprise superior and inferior end plates and a nucleus positioned between articular surfaces of the end plates. The end plates may have planar bone engagement surfaces with a plurality of self-cutting teeth. The articular surfaces of the end plates may be planar or include a flattened portion. The nucleus includes superior and inferior articular surfaces which may comprise flattened portions such that when the articular surfaces of the nucleus and the end plates are placed in cooperation in a preferred orientation, the flattened and/or planar portions are aligned. Each prosthesis may provide flexion/extension, anterior/posterior translation, lateral bending, and/or axial rotation degrees of freedom. One embodiment comprises a prosthesis with a first joint providing flexion/extension and anterior/posterior translation, and a second joint providing lateral bending and axial rotation. | 03-19-2009 |
20090076616 | Systems and Methods for Vertebral Disc Replacement - The present invention provides artificial disc prostheses, methods and instrumentation for implantation and revision thereof. Each prosthesis may comprise superior and inferior end plates and a nucleus positioned between articular surfaces of the end plates. The end plates may have planar bone engagement surfaces with a plurality of self-cutting teeth. The articular surfaces of the end plates may be planar or include a flattened portion. The nucleus includes superior and inferior articular surfaces which may comprise flattened portions such that when the articular surfaces of the nucleus and the end plates are placed in cooperation in a preferred orientation, the flattened and/or planar portions are aligned. Each prosthesis may provide flexion/extension, anterior/posterior translation, lateral bending, and/or axial rotation degrees of freedom. One embodiment comprises a prosthesis with a first joint providing flexion/extension and anterior/posterior translation, and a second joint providing lateral bending and axial rotation. | 03-19-2009 |
20090082867 | INTERVERTEBRAL DISC PROSTHESIS FOR UNIVERSAL APPLICATION - An Invertebral Disc Model Prosthesis, of the type denominated of double articulation, to substitute the function and the movement of intervertebral discs, for universal application due to its principal characteristic of being able to be used as a constrained, semi-constrained or non-constrained prosthesis, specially indicated for treatment of pathological degenerative of the intervertebral discs, discal hernias, by anterior approach, transition syndromes of supra-adjacent disc, chronic lumbagos resistant to conserver treatment, chronic adjacent vertebral instability, made from materials of proved biocompatibility, endowed with a low profile that makes it optimum for its implant in the human being and which consists of three pieces, two plates, upper and lower, and am intermediate piece , which serves for the substitution of the discs of the lumbar and cervical column, capable of being placed by the anterior or lateral approach. | 03-26-2009 |
20090082868 | Prosthesis for restoring motion in an appendage or spinal joint and an intervertebral spacer - A motion restoring prosthesis to be interposed between the ends of two bones adjoining a mammalian appendage or spinal joint is formed of two components with the components having inner cooperating articulating surfaces and outer bone engaging surfaces. At least one of the components has an inner section made of relatively hard, stiff material defining one or the articulating surfaces and an outer section made of a softer material defining the bone engaging surface. The softer material having a hardness/stiffness characteristic compatible with the bone to reduce stress shielding and more evenly distribute the forces from the articulating surfaces to the associate bone interface. | 03-26-2009 |
20090082869 | DOUBLE ENDED PYRAMID ADAPTER - A prosthetic coupling providing height and rotation adjustability. Exemplary embodiments include a Double Ended Pyramid Adapter (DEPR) allowing a prosthesis to be height adjusted and rotated using a single adapter. An exemplary DEPR also has an anti-rotation locking feature that selectively inhibits rotation of the components with respect to one another, and can selectively be unlocked to allow rotation when desired. An exemplary DEPR adapter allows for height and rotation adjustment, and may be utilized with transfemoral patients for height adjustments between the distal end of the socket and the prosthetic knee. | 03-26-2009 |
20090082870 | TRANSPEDICULAR, EXTRAPEDICULAR AND TRANSCORPOREAL PARTIAL DISC REPLACEMENT - A nucleus replacement mimics a native annulus in shape and function for use in partial disc arthroplasty. The nucleus replacement includes a jacket having a compartment, a first anchoring limb on one side of the compartment, and a second anchoring limb on an opposite side of the compartment. The jacket is insertable into a disc space through an operating channel in at least one of the vertebral pedicle and the vertebral body. A shock absorbing material is injectable into the compartment after installing the jacket into the disc space. The shock absorbing material has characteristics that absorb loads on the replacement. | 03-26-2009 |
20090082871 | METHOD AND APPARATUS FOR SPINE JOINT REPLACEMENT - A prosthesis for the replacement of the cartilaginous structures of a spine motion segment is described. The prosthesis comprises an intervertebral disc prosthesis in combination with a facet joint prosthesis. | 03-26-2009 |
20090082872 | Intervertebral implant - In an intervertebral implant with at least one abutment surface formed from a plurality of parts for a vertebral body, which parts are movable relative to one another between an insertion position, in which the intervertebral implant has a small cross section, and a working position, in which the intervertebral implant has a larger cross section and in which the parts jointly form the abutment surface, and with an adjusting means for moving the parts out of the insertion position into the working position, in order to provide an uncomplicated structure having small dimensions, it is proposed that the adjusting means have at least one expansion body, which increases in volume when filled with a flowable medium and thus moves the parts into the working position. | 03-26-2009 |
20090088848 | INSTRUMENT SET AND METHOD FOR PERFORMING SPINAL NUCLECTOMY - A nuclectomy method for creating a nuclear cavity in an annulus located in an intervertebral disc space and for preparing the nuclear cavity to receive an intervertebral prosthesis. The method involves identifying a plurality of regions in at least a portion of the nucleus. A sequence for removing the regions is also determined. At least one annulotomy is formed in the annulus along an annular axis to provide access to the nucleus. A guide system is positioned relative to the annulotomy. The guide system is configured to limit motion of at least one surgical tool relative to the guide system. A portion of the nucleus is removed from a first region using the surgical tool. At least one of the guide system and the surgical tool are configured to remove a portion of the nucleus from a second region. A portion of the nucleus is removed from a second region using the surgical tool. | 04-02-2009 |
20090088849 | Intervertebral Implant - The present application is directed to implants for positioned between vertebral members. The implant may include a superior surface to contact against a first vertebral member, and an inferior surface to contact against a second vertebral member. The implant may include a central web that extends between first and second flanges. The flanges may be shaped to form gaps that extend the height of the implant. Spaces in communication with the gaps may be formed in an interior of the implant to hold bone growth material. | 04-02-2009 |
20090088850 | INTERVERTEBRAL ENDOPROSTHESIS - An intervertebral endoprosthesis for insertion into the intervertebral space between two adjacent vertebrae is provided that includes first and second base members, each having a first surface configured to engage one of the vertebrae and a second opposite surface and a resilient insert disposed between the base members. The insert includes an outer shell defining an interior chamber and is disposed in contacting engagement with the second surface of each of the base members. The resilient insert further includes a core disposed within the chamber and connected to the outer shell. The intervertebral endoprosthesis further includes first and second coupling members, each of the coupling members extending between the core of the resilient insert and one of the base members. The first and second coupling members independently couple the first and second base members to the resilient insert, wherein the first and second base members are movable independently of one another and the adjacent vertebrae are movable independently of one another when the intervertebral endoprosthesis is inserted into the disc space. | 04-02-2009 |
20090088851 | COMBINATION PLATE AND DISC PROSTHESIS - Orthopedic medical devices for use in orthopedic procedures are provided, having in certain embodiments a first member and a second member configured to replace a disk between a first vertebra and a second vertebra. Additionally, the second member is also configured to fuse the second vertebra to at least a third vertebra. In one embodiment, the second member has a first portion that is elastic and a second portion that is substantially rigid. In other embodiments, the second member is substantially rigid. In yet another embodiment, the first member and second member are configured to replace a disk between the first vertebra and the second vertebra, and the second member and a third member are configured to replace a second disk between the third vertebra and a fourth vertebra. In this embodiment, the first, second, and third members may be connected to vertebrae by various anchors. | 04-02-2009 |
20090088852 | Prosthetic Intervertebral Discs That Are Implantable By Minimally Invasive Surgical Techniques And That Have Cores That Are Insertable In Situ Using End Plate Guideways - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 04-02-2009 |
20090088853 | ORTHOPEDIC DEVICE ASSEMBLY WITH ELEMENTS COUPLED BY A RETAINING STRUCTURE - The present invention provides an orthopedic device assembly comprising a first assembly element, a second assembly element, and a retaining mechanism. The first assembly element has a recess that receives the second assembly element, and the retaining mechanism holds the second element in an assembled state with the first assembly element. The retaining mechanism includes a retaining member with an angular cross-section defined by a base portion and a lateral flange portion projecting from the base portion. The retaining member is inserted through an aperture of the first assembly element into a groove in a wall of the recess of the first assembly element, with the flange portion projecting laterally of the groove and overhanging a shoulder portion of the second assembly element so as to retain the second assembly element in the assembled state with the first assembly element. | 04-02-2009 |
20090088854 | SPACING DEVICE AND METHOD - A spinal device generally includes a spacing member and a fixing member. The spacing member is configured to maintain a space between adjacent vertebrae. The fixing member is adapted to maintain a position of the spacing member relative to the adjacent vertebrae. In addition, the fixing member includes a bendable portion releasably connected to the spacing member. | 04-02-2009 |
20090088855 | POSTERIOR ROD CAPTURING SPACER DEVICE AND METHOD - An implantable device includes a spacing member and an elongate member. The elongate member includes a body portion having a first end coupled to the spacing member and a second end having a retention member. In a system for maintaining disc space between adjacent vertebrae, the implantable device is used in conjunction with a spine fixation member. The spine fixation member includes bone anchors and a spinal rod for releasably securing the retention member of the elongate member thereto in order to prevent expulsion of the spacing member from the disc space. Methods of using the system include unilaterally and bilaterally replacing diseased or damaged intervertebral discs from a posterior or transformational approach. | 04-02-2009 |
20090088856 | INTERVERTEBRAL DISK PROSTHESES - Intervertebral disc prosthesis includes an upper plateau ( | 04-02-2009 |
20090088857 | Implant for the delivery of electrical current to promote bone growth between adjacent bone masses - An electrical bone growth promotion apparatus for the delivery of electrical current to an implant surgically implanted between adjacent bone masses to promote bone growth to areas adjacent to the implant is disclosed. The apparatus of the present invention comprises a self contained implant having a surgically implantable, renewable power supply and related control circuitry for delivering electrical current directly to the implant and thus directly to the area in which the promotion of bone growth is desired. The desired areas of bone growth promotion may be controlled by conducting negative charge only to the desired location of bone growth promotion. | 04-02-2009 |
20090093883 | Interspinous implant - This invention consists in an implant to be placed between the lumbar spinous and lumbar-sacral apophysis in order to keep them separated and enable a normal flexion and extension range. The implant is a cuneiform body which frontal end is rounded and higher than the rear end thus forming an open angle towards the frontal part of the implant. It has two supporting surfaces, opposite to the spinous apophysis and having in its most rear end two sharp edges which are opposite to the spine and located transversally to the longitudinal axis of said faces, and wherein said supporting surfaces are confined by two rhomboidal surfaces which major axis is perpendicular to the longitudinal axis of the implant. | 04-09-2009 |
20090093884 | Prosthetic Intervertebral Discs Having Expandable Cores That Are Implantable Using Minimally Invasive Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 04-09-2009 |
20090093885 | ANATOMIC INTERVERTEBRAL SPACER AND THE APPLICATIONS THEREOF - A multi-layer intervertebral spacer ( | 04-09-2009 |
20090099659 | SLIDING INTERVERTEBRAL IMPLANT - A sliding intervertebral implant and method includes a first member that connects to an intervertebral space between two adjacent vertebrae. The first member includes a pair of curved side walls connected to each of a front wall, an upper curved wall, and a lower curved wall, wherein a length of a first curved side wall is less than a length of each of a second curved side wall, the upper curved wall, and the lower curved wall, and wherein an edge of the second curved side wall is offset from an edge of the front wall. A second member is slidably attached to the first member, and includes a top and bottom curved wall each connected to an inclined side wall and a guide wall, wherein the guide wall comprises grooves, wherein the second curved side wall of the first member slides in the grooves of the guide wall. | 04-16-2009 |
20090099660 | Instrumentation to Facilitate Access into the Intervertebral Disc Space and Introduction of Materials Therein - Methods for facilitating access to the intervertebral disc to deliver materials for disc repair are disclosed. The methods may be used to replace or augment nucleus pulposus as well as to perform interbody fusion procedures. These methods include providing access to the intervertebral disc space by drilling a channel through a vertebral bone, optionally accessing the intervertebral disc space to at least partially remove the disc tissue through the channel in the vertebrae; delivering a disc repairing material to the intervertebral disc space and back-filling the channel in the vertebrae with a channel sealing material. The methods may further comprise distracting the intervertebral height and inserting a restrictor into the channel in the vertebrae. Kits for practicing these methods are also disclosed. | 04-16-2009 |
20090099661 | MULTIPLE COMPONENT OSTEOIMPLANT - The present invention is an osteoimplant that comprises two or more portions, wherein two or more of the portions are self-interlockable with one another to form the desired osteoimplant. The components of the osteoimplant may be of the same material or of different materials. Suitable materials may include cortical bone, cancellous bone, structural polymer, other biomaterial, or any combination thereof. | 04-16-2009 |
20090105823 | Artificial intervertebral disc nucleus - Devices and methods for manufacturing devices for treating degenerated and/or traumatized intervertebral discs are disclosed. Artificial discs and components of discs may include an artificial nucleus and/or an artificial annulus and may be comprised of shape memory materials synthesized to achieve desired mechanical and physical properties. An artificial nucleus and/or annulus according to the invention may comprise a filler retention membrane that may be filled with a curable material for deployment. A filler retention membrane according to the invention may comprise one or more partitions to define one or more chambers and may comprise one or more valves for selectively permitting the flow of material within the nuclear region and annular region of the filler retention membrane. | 04-23-2009 |
20090105824 | SPINAL FUSION DEVICE AND ASSOCIATED METHODS - A method and apparatus is provided for use in spinal fusion procedures. An exemplary interbody fusion device includes a synthetic non-metallic radiolucent interbody spacer having an opening formed between its top and bottom surfaces. A cancellous allograft plug is configured to be disposed within the opening formed in the spacer. The cancellous allograft plug can be reconstituted with a material that will help to facilitate fusion of the vertebrae. | 04-23-2009 |
20090105825 | FUSION METHODS USING AUTOLOGOUS STEM CELLS - A method and apparatus is provided for use in spinal fusion procedures. An exemplary interbody fusion device includes a synthetic non-metallic radiolucent interbody spacer having an opening formed between its top and bottom surfaces. A cancellous allograft plug is configured to be disposed within the opening formed in the spacer. The cancellous allograft plug can be reconstituted with a material that will help to facilitate fusion of the vertebrae. | 04-23-2009 |
20090105826 | Surgical Implants - Disc prostheses, particularly for use in the lumbar region of the spine are provided. The disc prosthesis includes a core comprising one or more filling elements provided within an inner component of fabric. The inner component is provided within an outer component of fabric. By providing a smooth inner contact surface between the inner component and the core filling, movement between the inner and outer components is facilitated in preference to movement between the inner component and core. Core abrasion is thus avoided. The use of an inner component and an outer component also means that the characteristics of each can be optimised to meet different aims. | 04-23-2009 |
20090105827 | Dampener system for a posterior stabilization system with a fixed length elongated member - Dynamic posterior stabilization systems are described. A dynamic posterior stabilization system may include bone fasteners and a dampener system. The dampener system may include a fixed length elongated member. The dampener system may also include one or more dampener sets. The dampener sets may provide resistance to movement of vertebrae coupled to the dynamic posterior stabilization system. In some embodiments, the elongated member has at least two portions having different diameters. The different portions interact with other portions of the dampener system to allow for compression of a dampener set. In some embodiments, the dampener system includes a sleeve coupled to the elongated member. In some embodiments, the dampener system includes a pair of washers coupled to the elongated member. The sleeve or the pair of washers allow the dampener system to be secured to a bone fastener. | 04-23-2009 |
20090105828 | Posterior stabilization system with isolated, dual dampener systems - Dynamic posterior stabilization systems and methods of stabilizing vertebrae are described. A dynamic posterior stabilization system may include bone fasteners and a dampener system. The bone fasteners may be secured to the vertebrae, and the dampener system may be attached to the bone fasteners. The dampener system may include a first dampener set and a second dampener set positioned on an elongated member. The first dampener set may be compressed and provides resistance to movement of the first bone fastener towards the second bone fastener. The second dampener set may be compressed and provide resistance to movement of the first bone fastener away from the second bone fastener. | 04-23-2009 |
20090105829 | Dampener system for a posterior stabilization system with a variable length elongated member - Dynamic posterior stabilization systems are described. A dynamic posterior stabilization system may include bone fasteners and a dampener system. The dampener system may include a first elongated member and a second elongated member that couple together to form a variable length elongated member. The dampener system may also include one or more dampener sets. The dampener sets may provide resistance to movement of vertebrae coupled to the dynamic posterior stabilization system. | 04-23-2009 |
20090105830 | INTERBODY FUSION DEVICE, INTEGRAL RETENTION DEVICE, AND ASSOCIATED METHODS - A method and apparatus is provided for use in spinal fusion procedures. A one or two piece interbody fusion device has a fusion bearing component designed to bear the axial loading from the end plates of adjacent vertebrae. An optional retention piece prevents migration of the load bearing device. One or more fasteners secure the retention device to the vertebrae above and below the load bearing device. The fasteners cause the end plates of the vertebrae to compress the end plates to the load bearing device to facilitate proper fusion. An anti-backout mechanism prevents the fasteners backing out. | 04-23-2009 |
20090105831 | LOCKING MECHANISMS AND ASSOCIATED METHODS - A method and apparatus is provided for use with a surgical implant to secure fasteners, such as bone screws or pins. An anti-backout mechanism is used to preventing migration of the fasteners after the implant is installed. In one example, an anti-backout mechanism includes a locking plate having a locked position and an unlocked position. The locking plate has one or more protrusions that are configured to prevent migration the fasteners when the locking plate is in the locked position. | 04-23-2009 |
20090105832 | Intersomatic cage, intervertebral prosthesis, anchoring device and implantation instruments - An intersomatic cage, an intervertebral prosthesis, an anchoring device and an instrument for implantation of the cage or the prosthesis and the anchoring device are provided. An intersomatic cage or an intervertebral prosthesis fit closely to the anchoring device, which includes a body of elongated shape on a longitudinal axis, of curved shape describing, along the longitudinal axis, an arc whose dimensions and radius of curvature are designed in such a manner that the anchoring device may be implanted in the vertebral plate of a vertebra by presenting its longitudinal axis substantially along the plane of the intervertebral space, where the anchoring device is inserted, by means of the instrument, through a slot located in at least one peripheral wall of the cage or on at least one plate of the intervertebral disc prosthesis to penetrate into at least one vertebral plate. | 04-23-2009 |
20090105833 | Method and Spacer Device for Spanning a Space Formed upon Removal of an Intervertebral Disc - An intervertebral spacer is designed particularly for patients who are not candidates for total disc replacement. The spacer maintains disc height and prevents subsidence with a large vertebral body contacting surface area while substantially reducing recovery time by eliminating the need for bridging bone. The intervertebral spacer or fusion spacer includes a rigid spacer body sized and shaped to fit within an intervertebral space between two vertebral bodies. In one embodiment, the spacer body has two opposed metallic vertebral contacting surfaces, at least one fin extending from each of the vertebral contacting surfaces and configured to be positioned within slots cut into the two vertebral bodies. Holes, if present, cover less than 40 percent of the entire vertebral body contacting surfaces to provide increased bone ongrowth surfaces and to prevent subsidence. | 04-23-2009 |
20090105834 | Dynamic Spacer Device and Method for Spanning a Space Formed upon Removal of an Intervertebral Disc - A compliant intervertebral spacer according to the present invention replaces a damage intervertebral disc and functions to maintain disc height and prevent subsidence with a large surface area while substantially reducing patient recovery time. The compliant intervertebral spacer for spanning a space formed by upon removal of an intervertebral disc includes two end plates sized and shaped to fit within an intervertebral space and a compliant connector interconnecting the inner surfaces of the two end plates in a manner which limits motion between the plates to less than a total of 5 degrees of motion in any direction. The intervertebral spacer is configured to permanently maintain the disc space between the two adjacent discs without the use of bridging bone. | 04-23-2009 |
20090105835 | Vertebral Body Replacement and Method for Spanning a Space Formed upon Removal of a Vertebral Body - A vertebral body replacement includes first and second end plates, and a compliant connector section between the end plates having one or more helical cuts to provide limited compliance between the end plates. The compliant connector section can be provided in a separate spacer that fits between the end plates or directly in one or more of the end plates. The adjoining end plate surfaces, and/or adjoining surfaces of the spacer, include a rotational interlock to inhibit allow the selection an modular stacking assembly of the vertebral body replacement to accommodate a wide range of patients. | 04-23-2009 |
20090105836 | Devices and techniques for a posterior lateral disc space approach - This invention relates to devices and instruments for implant insertion through a posterior lateral opening to the disc space. The instruments include an implant inserter, and the devices include a spinal fusion implant engageable by the implant inserter. The implant provides bilateral support of the adjacent vertebrae when inserted into the disc space from a postero-lateral approach. | 04-23-2009 |
20090112324 | VERTEBRAL BODY REPLACEMENT DEVICE AND METHOD FOR USE TO MAINTAIN A SPACE BETWEEN TWO VERTEBRAL BODIES WITHIN A SPINE - The vertebral body replacement device includes a body member and a central rod member that has two threaded portions and is configured to be operatively associated with the body member. The device also includes a first end member and a second end member with the end members being configured to threadingly engage the threaded portions of the central rod member. The body member and the two end members are further constructed to inhibit rotational movement of the two end members when the device is positioned within a space within a spine as the two end members will engage the adjacent respective vertebral bodies following rotational actuation of the central rod member causing the end members to move in an axial direction relative to the body member, thereby allowing the two end members to apply a force to the two vertebral bodies. A surgical method using the device is also disclosed. | 04-30-2009 |
20090112325 | FOOTPLATE MEMBER AND A METHOD FOR USE IN A VERTEBRAL BODY REPLACEMENT DEVICE - The footplate member includes an end surface, a sidewall that is attached to the end surface, and an orientation mechanism that is designed to align the footplate member in a certain position relative to at least one of the two end members of the vertebral body replacement device. The orientation mechanism includes a plurality of tabs located on an end wall of each end member and corresponding slots located along the edge of the sidewall, with the tabs and slots being sized and positioned to mate. The footplate member also includes a locking mechanism designed to couple the footplate member to an end member prior to the implantation of the vertebral body replacement device within a space within a spinal column. A method for assembling a vertebral body replacement device and a method for using a footplate member in a vertebral body replacement device is also disclosed. | 04-30-2009 |
20090112326 | IN SITU ADJUSTABLE DYNAMIC INTERVERTEBRAL IMPLANT - A system for forming a spinal prosthesis in situ within an intervertebral space located between first and second adjacent vertebrae includes at least one mold having at least one internal compartment adapted to receive at least one flowable biomaterial. The system also includes a retaining member adapted to secure the mold between the first and second vertebrae, the retaining member including first and second portions adapted to be engaged with first and second surfaces of the first and second vertebrae, respectively. The retaining member also includes an intermediate body operatively coupling the first portion to the second portion, the intermediate body adapted to be positioned in or adjacent to the intervertebral space. A biomaterial delivery apparatus is in fluid communication with the mold at a pressure sufficient for the mold to engage with the retaining member. The spinal prosthesis selectively position the first vertebrae relative to the second vertebrae. | 04-30-2009 |
20090118833 | IN-SITU CURABLE INTERSPINOUS PROCESS SPACER - The present invention provides an expandable member useful in treating spinal stenosis. The expandable member may be introduced into the patient between adjacent spinous processes in an unexpanded configuration using minimally invasive techniques and expanded with a flowable material. The expanded member will function as an interspinous process spacer by acting as a spacing device to maintain separation between adjacent vertebrae. | 05-07-2009 |
20090118834 | Expandable Prosthetic Intervertebral Discs That Are Implantable By Minimally Invasive Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 05-07-2009 |
20090118835 | Prosthetic Intervertebral Discs Having Rotatable, Expandable Cores That Are Implantable Using Minimally Invasive Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 05-07-2009 |
20090118836 | Intervertebral Prosthesis for Supporting Adjacent Vertebral Bodies Enabling the Creation of Soft Fusion and Method - An intervertebral prosthetic disc for replacing a damaged natural disc includes upper and lower vertebral body engaging surfaces, an exterior wall and one or more generally vertically oriented bone channels of limited cross-sectional area to allow bone to form and fuse into continuous or discontinuous struts between the bodies. The stiffness of the disc, while supporting the bodies, allows the distance therebetween to narrow sufficiently when subjected to a predetermined load such as the patient standing, walking, etc., to transfer sufficient energy to the bone struts to create one or more nonunion joints or pseudoarthrosis at locations along the struts. The disc includes stops to limit the movement thereof to an amount sustainable by the disc without resulting in fatigue failure. | 05-07-2009 |
20090125111 | INTERVERTEBRAL DISC PROSTHESIS - An intervertebral-disc prosthesis for insertion into an intervertebral disc compartment has a first and a second constituent element ( | 05-14-2009 |
20090125112 | Prosthetic Intervertebral Discs Implantable By Minimally Invasive, Posterior Approach, Surgical Techniques - The described devices are spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 05-14-2009 |
20090132050 | Method and arrangement at implants preferably for a human intervertebral and such implant - In an arrangement for production of implant consisting of biocompatible material and intended for a vertebral disk, preferably intervertebral disk in the human body, the condition (state) of the disk is established by aids of condition establishing means and parameters. A first information created by aid of the means and parameters is arranged to control computer equipment for production of a simulation model of the disk in question with surrounding vertebras. A second information created by the computer equipment in dependency of the simulation incorporates or consists of information about the outer volume and design of the implant put in relation to the present alteration of or in the disk. The second information is arranged to initiate or contribute to the control of one or more equipments for production of the implant. In this manner, it is possible to arrange a technical arrangement and method for an individually adapted implant. | 05-21-2009 |
20090132051 | ARTIFICIAL CERVICAL AND LUMBAR DISCS, DISC PLATE INSERTION GUN FOR PERFORMING SEQUENTIAL SINGLE PLATE INTERVERTEBRAL IMPLANTATION ENABLING SYMMETRIC BI-DISC PLATE ALIGNMENT FOR INTERPLATE MOBILE CORE PLACEMENT - An artificial replacement disc includes a pair of substantially parallel plates formed to occupy a space defined by vertebral endplates, each of the plates including a plurality of spikes on a first surface and a concave trough formed on a second surface opposite of the first surface. A mobile core includes a core rim with opposing convex surfaces extending from opposite sides of the core rim, the mobile core being capable of being disposed between the pair of plates to permit the vertebral endplates to move relative to one another. The spikes on each of the plates extend substantially away from the mobile core and the convex surfaces are formed to integrally fit within the concave trough of at least one of the plates. The core rim limits lateral movement of the mobile core relative to the parallel plates. One or more insertion tools for inserting and implanting the replacement disc are also described. | 05-21-2009 |
20090132052 | INTERVERTEBRAL DISK PROSTHESIS PROVIDED WITH ANCHOR MEANS - An intervertebral disk prosthesis is provided. The prosthesis comprises: a first plate for engaging a first vertebral body, said first plate comprising a first slot formed through the first plate; a second plate for engaging a second vertebral body, said second plate comprising a second slot formed through the second plate; a first anchor member, said first anchor member positioned and slidable through the first slot and having a sharp edge for penetrating into the first vertebral body; and a second anchor member, said second anchor member positioned and slidable through the second slot and having a sharp edge for penetrating into the second vertebral body. The first plate and the second plate engage with one another by way of complimentary concave and convex spherical cap portions to provide relative movement between the first plate and the second plate. | 05-21-2009 |
20090132053 | Apparatus and method for supporting vertebral bodies - An apparatus and method for supporting upper and lower vertebral bodies, including first and second end members adapted for engagement with the vertebral bodies, and at least one elongate support member coupled between the end members to maintain an axial space between the vertebral bodies. In one aspect of the invention, each of the end members has a parametrical or horseshoe-shaped configuration extending about an open inner region and defining a lateral passage communicating with the open inner region to facilitate insertion of the apparatus or the individual end members into the intervertebral space via a posterior surgical approach. In a further aspect of the invention, a fusion member is positioned within the axial space to promote bony fusion between the upper and lower vertebral bodies. | 05-21-2009 |
20090132054 | Intervertebral Disc Prosthesis - The present invention relates to an intervertebral disc prosthesis comprising at least three pieces including an upper plate ( | 05-21-2009 |
20090138086 | Stackable Intervertebral Devices and Methods of Use - The present application is directed to a devices and methods of spacing apart vertebral members. In one embodiment, the device includes a plurality of stackable shims that includes at least a first shim and a second shim. The first shim includes a body with a first portion of a male-female connector, and a removable guide that is attached to the body and extends along at least a portion of the body and outward beyond the body. The second shim includes a second portion of the male-female connector, and a longitudinal passage that extends through the body and is sized to receive the guide. The second shim is moveable relative to the first shim with the guide disposed in the passage between a disengaged position and an engaged position. In the engaged position, the first shim is stacked on the second shim. | 05-28-2009 |
20090138087 | Apparatus for the Neurosurgical-Orthopedic Treatment of Human Spinal Column Pathologies - Apparatus for the neurosurgical-orthopedic treatment of human spinal column pathologies, comprising an elastically yielding contrast means ( | 05-28-2009 |
20090138088 | Mobile spinal fusion implant - A spinal implant device for fusing adjacent vertebra having a first base member, a second base member and a center section. The center section is designed to provide flexibility between the first base member and the second base member. A channel extends through the implant from the first base member through the center section to the second base member to allow for bone growth through the implant device. | 05-28-2009 |
20090138089 | Corpectomy implant - The present invention describes an expandable vertebral implant and the method of use. The longitudinally expandable vertebral implant includes telescoping sections adapted for incremental expansion and ease of securement at any desired increment in situ, and constructed and arranged to engage opposing vertebrae. The corpectomy device is a distractible vertebral body replacement for the thoracic and lumbar spine. The device is cylindrical shaped having an inner and outer sleeve made adjustable by use of locking pads formed integral with the outer sleeve for use in engaging parallel circumferential locking grooves formed along the outer side surface of the inner sleeve. | 05-28-2009 |
20090138090 | ARTICULATING INTERVERTEBRAL DISC PROSTHESIS - An artificial intervertebral disc for implantation between two adjacent vertebrae includes superior and inferior shells connected in a ball and socket arrangement. The inferior shell preferably incorporating a convex portion that cooperates with a concave portion on the superior shell. A resilient nucleus is provided within an enclosure defined by the opposing inner surfaces of the shells and biases the shells against each other. The ball portion can be provided in either fixed or slidable arrangement. The superior and inferior shells are also provided with cooperating male and female portions whereby the shells positively engage each other, thereby preventing separation, but allowing any desired articulation there-between. The artificial disc of the invention includes various resistance means for restricting and limiting the range of rotational and translational motion between the shells. | 05-28-2009 |
20090138091 | TAPERED BONE FUSION CAGES OR BLOCKS, IMPLANTATION MEANS AND METHOD - Methods for fusion inside a forward widely tapering human disc space. A stabilizing/guiding system is driven into and against the disc space. The device is further stabilized by spreading and gripping means inside both vertebral end plates. Rod retaining members hold calibrated rod units whose adapted tips perform reaming and threading of the disc space. Subsequently, the tapered cage or implant can be inserted by a free-hand method under direct vision into the prepared and tapered bed. Rod unit divergent angulation is set to match that of the disc space as well as the implants so they obtain optimal distributed purchase of vertebral bone. In one embodiment, inserts are confluent with parallel medial walls rather than their long axes, increasing torsional or lateral translational stability and simplifying placement of additional bone chips. No tubular guide means are required. | 05-28-2009 |
20090143859 | MAXIMUM SUPPORT TLIF IMPLANT - A transforaminal lumbar interbody fusion (TLIF) implant to be placed in an intervertebral space includes a front member and a back member. The front member includes a first end having a hinge, a second end, a pair of lateral portions, a top wall and a bottom wall, an opening configured through the pair of lateral portions and a plurality of openings in each of the top wall and the bottom wall. The back member includes a first end having an arcuately-shaped attachment head comprising a receptor dimensioned and configured to accommodate the hinge of the front member, a second end, a pair of lateral portions, a top wall, a bottom wall and an opening configured through the pair of lateral portions. The top wall and the bottom wall of the back member further comprise a plurality of openings. | 06-04-2009 |
20090143860 | MODULAR LATERAL EXPANSION DEVICE - A modular lateral expansion device to be inserted into an intervertebral space. The modular lateral expansion device includes a first member and a second member. The first end and the second end comprise a first extension and a second extension respectively. The first extension and second extension outwardly protrude from the first member in a same direction and are positioned at an axis transverse to a longitudinal axis of the first member. The second member comprises a first end and a second end. The first end comprises a plurality of outwardly extended arms and a first passage positioned between the plurality of outwardly extended arms. The first end of the second member is dimensioned and configured to couple to the first end of the first member. The second end comprises a second passage dimensioned and configured to accommodate the second extension of the first member. | 06-04-2009 |
20090143861 | Intervertebral spacer device having recessed notch pairs for manipulation using a surgical tool - Instrumentation for implanting an artificial intervertebral disc includes static trials and a dynamic trial for determining the appropriate size of disc to be implanted, static trial holders for manipulating the static trials, inserter/impactors for inserting and removing the static trials and for inserting the artificial intervertebral discs, repositioners/extractors for repositioning and extracting the static trials or the artificial intervertebral discs, and a leveler for setting the proper position of the artificial intervertebral disc. Methods for using the same are also disclosed. Features for artificial intervertebral discs and intervertebral spacer devices useful for manipulation by the instrumentation are also disclosed. | 06-04-2009 |
20090143862 | SYSTEM AND METHOD FOR BLOCKING AND/OR RETAINING A PROSTHETIC SPINAL IMPLANT - Devices for anchoring and/or blocking spinal implants in an intervertebral disc space are disclosed. In one aspect of the invention the device includes a rigid blocking member having one end unconnected and free to block a spinal implant, and another end attached to a securing member to secure the blocking member to the spine. Methods for using the inventive anchoring/blocking implants are also provided. | 06-04-2009 |
20090143863 | METHOD FOR DISC REGENERATION USING STEM CELL DERIVED CHONDROPROGENITORS - A method for restoring a degenerated intervertebral disc. The method includes preparing a material including embryonic stem cells, placing the material in the degenerated disc and causing the material to generate notochordal cells in the disc to regenerate the disc. Preparing the material includes differentiating the embryonic stem cells into chondroprogenitors. | 06-04-2009 |
20090149957 | MODULAR LATERAL EXPANSION DEVICE - A modular lateral expansion device to be inserted into a vertebral body. The modular lateral expansion device comprises a pair of complementary lateral members. Each of the lateral members includes a first end, a second end, a first lateral portion, a second lateral portion, a top wall, a bottom wall, and a cavity configured through the top wall and the bottom wall. The top wall includes a top ridge and a top contour surface and the bottom wall includes a bottom ridge and a bottom contour surface. The top ridge and the bottom ridge are inwardly angled into the second lateral portion. The first lateral portion includes a plurality of cuts. The second lateral portion includes a first slot positioned at an edge of the second lateral portion and a second slot positioned in a substantially central area of the second lateral portion. | 06-11-2009 |
20090149958 | STRUCTURALLY REINFORCED SPINAL NUCLEUS IMPLANTS - A spinal nucleus implant is provided which includes a braided three-dimensional reinforcement member having a polymeric matrix imbued therein, the implant configured to have a shape consistent with a cavity within an intervertebral disc space. The polymeric matrix may be a fluid absorbing polymer, e.g., a hydrogel or a substantially non-fluid absorbing in-situ curable elastic polymer. A method of making a spinal nucleus implant is provided which includes providing a braided three-dimensional reinforcement member configured and dimensioned to have a shape consistent with a cavity in an intervertebral space and infusing the braided three-dimensional reinforcement member with a liquid polymer capable of forming a polymeric matrix. Also provided is a spinal nucleus implant including a three-dimensional reinforcement member adapted and configured to undergo anisotropic expansion, the implant configured to have a shape consistent with a cavity within an intervertebral disc space. A method of treating a degenerating intervertebral disc includes creating an incision in an annulus; removing at least a portion of a nucleus pulposus; and inserting, through the incision, a spinal nucleus implant according to the present disclosure. | 06-11-2009 |
20090149959 | SPINAL IMPLANTS AND METHODS - Spinal implants are disclosed that can be used for annular repair, facet unloading, disc height preservation, disc decompression, or for sealing a portal through which an intervertebral implant was placed. In some embodiments, an implant is placed within the intervertebral disc space, primarily within the region of the annulus fibrosus. In some embodiments, the implant is expandable. In some embodiments, the implant has a sealing tail structure comprising a tail flange and a linkage. In some embodiments, the sealing tail structure limits the extrusion or expulsion of disc material, either annulus fibrosus or nucleus, into the posterior region of the spine where it could impinge on nerves. In some embodiments, the tail structure is retained in place within the annulus fibrosus by means of an anchor. In some embodiments, the anchor is constructed from multiple components. | 06-11-2009 |
20090149960 | SYSTEMS AND METHODS FOR VERTEBRAL DISC REPLACEMENT - Methods and instrumentation for implantation of an intervertebral disc prosthesis are provided. A guide tool with sagittal and coronal reference features guides placement of guide pins relative to a sagittal plane and a coronal plane of the vertebrae. A retainer lockable to the guide pins has a ratcheting mechanism providing distraction or compression. A rasp, planer or other tools may be aligned to the retainer and inserted into the intervertebral space to prepare the vertebral endplates. An interoperatively adjustable trial is alignable to the retainer and measures an angularity of the intervertebral space. A prosthesis with keying features may be mounted to a prosthesis inserter with complementary features, held by pivotable arms and compressed between prongs. The inserter may be aligned to the retainer and advanced to implant the prosthesis in the intervertebral space. A prosthesis remover may grip one prosthetic end plate and extract the entire prosthesis. | 06-11-2009 |
20090157185 | Prosthetic Monolithic Spinal Discs and Method of Customizing and Constructing Discs - The process uses micro-machining for forming a prosthetic spinal disc in which one of more springs bias adjacent vertebrae apart and absorb shock. Instead of using conventionally wound springs, the entire prosthesis including the springs are formed by micro-machining a block of material. Imaging, load and other patient data provide the parameters for the prosthesis. | 06-18-2009 |
20090157186 | INTER-VERTEBRAL IMPLANT - The inter-vertebral implant comprises a first part ( | 06-18-2009 |
20090157187 | LOAD SHARING INTERBODY FUSION DEVICE - The present invention is a load sharing intervertebral fusion device that allows for reconstruction of the proper disc space between two vertebral bodies while allowing bone material packed within the fusion device to share loading and stress for enhanced healing. The device includes two sections, an upper and lower section, separated by a bioresorbable spacer. The upper section slides relative to the lower section with the bioresorbable material being placed in load therebetween. The upper section and lower sections are effectively held apart, creating an initial fixed spacer for implantation of the intervertebral disc space. Openings in the implant construct allow for bone graft and bone substitutes to be placed within the implant to allow for fusion through the implant construct. After implantation and over a period of time based on bone resorbtion and remodeling, the spacer resorbs, thereby maintaining load on the bone graft material. | 06-18-2009 |
20090157188 | Intervertebral Disc Prosthesis - The present invention relates to an intervertebral disc prosthesis preferably comprising at least three pieces including an upper plate ( | 06-18-2009 |
20090177285 | Devices and techniques for a posterior lateral disc space approach - This invention relates to devices and instruments for implant insertion through a posterior lateral opening to the disc space. The instruments include an implant inserter, and the devices include a spinal fusion implant engageable by the implant inserter. The implant provides bilateral support of the adjacent vertebrae when inserted into the disc space from a postero-lateral approach. | 07-09-2009 |
20090182428 | FLANGED INTERBODY DEVICE - An interbody implant including a first lateral portion, a second lateral portion positioned opposite to the first lateral portion, a top wall having a plurality of holes, a bottom wall positioned opposite to the top wall, and teeth positioned on the top wall and the bottom wall. The top wall and the bottom wall are attached to the first lateral portion and the second lateral portion. The first lateral portion further includes at least one flange surface and the second lateral portion further includes an opening. The at least one flange surface may be configured to couple to a peripheral wall of the vertebral body and may be adapted to provide at least one of a torsional property, an axial property, and a shear property to the implant. The teeth may be adapted to provide a mechanical interlock between the implant and vertebral endplates of the vertebral body. | 07-16-2009 |
20090182429 | Total joint Replacement - An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra comprises a pair of bilateral joint subcomponents. Each joint subcomponent includes a superior component including a superior vertebra engaging surface and an inferior component including an inferior vertebra engaging surface. Each joint subcomponent further includes a spacer extending between the superior component and the inferior component. The spacer includes a first modulus of elasticity and a second modulus of elasticity. The first modulus transitions to the second modulus with a gradient change. | 07-16-2009 |
20090182430 | DYNAMIC INTERBODY - An intervertebral implant includes a body having an upper surface, a lower surface and a transverse fastener hole. The body includes a dynamic fixation mechanism for seating a fastener in the fastener hole and translating the fastener relative to the implant to accommodate subsidence of the implant. In one embodiment, an implant includes a transverse slot with an elongated seat for translating a seated fastener relative to the implant. In another embodiment, an implant includes a displaceable sliding member for translating a fastener relative to the implant. | 07-16-2009 |
20090182431 | Spinal Interbody Fusion Cages Providing Variable Anterior/Posterior Profiles - A spinal interbody fusion cage has a body whose anterior/posterior profile may be varied through angular positioning of one or more articulating segments of the body without changing the superior/inferior height of the body. The present spinal interbody fusion cage has N segments or sections wherein at least one segment is articulated relative to another segment via a connection point, pivot or pivot structure such that the anterior/posterior profile is variable through angular positioning of one or more of the segments. The pivot structure may be configured so as to allow unidirectional movement between the connecting segments thereby allowing articulation in one plane or to allow omni-directional movement between the connecting segments thereby allowing articulation in multiple planes. The various forms of the present interbody fusion cage include superior and inferior sides or bone abutment surfaces that have serrations, teeth or similar functioning structures (teeth). The teeth extend between the anterior end and the posterior end. The teeth may take different shapes but are configured to allow insertion of the spinal interbody fusion cage in an anterior-first manner while preventing and/or inhibiting the spinal interbody fusion cage from backing out posteriorly. | 07-16-2009 |
20090182432 | Artificial disc implant - An artificial disc implant includes an upper shell, a lower shell, and a spacer therebetween. The spacer preferably has properties similar to that of a natural spinal disc, while the upper and lower shells form a rigid interface between the implant and the adjacent vertebral bodies. The upper and lower shells can be configured to prevent expulsion of the spacer from the disc space. The implant upper and lower shells may further be configured into partially cylindrical shapes for ease of insertion through an insertion tube as presently known for interbody fusion devices. The devices may further be configured for insertion through a double-barreled insertion tube. Methods and instruments for inserting an artificial disc implant are also provided. | 07-16-2009 |
20090187246 | Interbody implants for spinal alignment procedures - Spinal implants are provided that include a body having opposite vertebral bearing surfaces. One of the bearing surfaces includes engaging means to engage an adjacent vertebra and the other of the bearing surfaces provides a substantially smooth surface profile to permit another of the adjacent vertebra to be moved along and in contact with the smooth bearing surface as corrective forces are applied to manipulate the other of the adjacent vertebrae into alignment. | 07-23-2009 |
20090187247 | Spinal implant having a resorbable anchor device for temporarily securing an interbody device to adjacent upper and lower vertebrae - A spinal implant including an interbody device and an anchor device. The interbody device is sized and shaped to be positioned within an intervertebral disc space between adjacent upper and lower vertebrae. The anchor device is at least partially formed of a resorbable material and is coupled to the interbody device and anchored to the upper and lower vertebrae. The anchor device is configured to temporarily secure the interbody device to the upper and lower vertebrae for a period of time sufficient to facilitate bone growth onto and/or through the interbody device and is thereafter resorbed into the body. | 07-23-2009 |
20090187248 | LORDOTIC EXPANDING VERTEBRAL BODY SPACER - An expandable medical implant for supporting bone structures includes a curved outer member to cooperatively engage a first bone structure and a curved inner member configured to cooperatively engage a second bone structure. The curved inner member is receivable within and movable relative to the curved outer member along an arc bounded by the curvature of the curved outer member. One of the curved outer and inner members may include a tapered surface and the other of the curved outer and inner members may include a scalloped surface. The implant may include a locking element disposed between the tapered and scalloped surface. The locking element is movable between a locked position engaging the tapered surface and a roughened locking surface to inhibit a decrease in the overall height of the implant and an unlocked position permitting at least an increase in the overall height of the implant. | 07-23-2009 |
20090187249 | Biologic Vertebral Reconstruction - A device and method for biologic vertebral reconstruction utilizes a biologically active jacket inserted into a cavity formed in a vertebra to be reconstructed. An artificial bone material is inserted into the biologically active jacket and allowed to set. The structure and method described herein provide for effective biologic vertebral reconstruction. The use of a biological material and artificial bone enables the host bone to replace the artificial bone over a period of time. Additionally, the structure of the biologically active jacket minimizes any impact into the spinal canal and the paravertebral spaces. Moreover, because of its biomechanical characteristics, which approximate the host bone, there is relative protection of the neighboring vertebral against fracture. Still further, the materials of the biologically active jacket may be impregnated with various substances to achieve various advantageous tasks. | 07-23-2009 |
20090192615 | HYDROSTATIC INTERBODY - An intervertebral implant includes an upper surface configured for engagement with a first vertebral body, and a lower surface configured for engagement with a second vertebral body. A wall extends between the upper surface and the lower surface, and forms a chamber for containing osteogenic material. At least a portion of the wall is collapsible from a first position associated with a first volume of the chamber to a second position associated with a second volume of the chamber. The second volume is less than the first volume. | 07-30-2009 |
20090192616 | ARTIFICIAL SPINAL DISK - An artificial spinal implant for placement between adjacent vertebrae to replace disk material and to stabilize the involved vertebrae is described. The artificial disk may be disassembled for installation and/or removal for repair, replacement or adjustment, and may be assembled from the front of the spine as individual component parts, thereby permitting alignment of the spine during the assembly process, and the stabilization of the involved vertebrae once assembly has been completed. Further, the components may be chosen from a set of similar components having different sizes, thereby enabling the implant to be tailor fit to the requirements of the patient. | 07-30-2009 |
20090192617 | Intervertebral Prosthetic Disc With Shock Absorbing Core Formed With Disc Springs - An artificial intervertebral disc has upper and lower prosthesis plates disposed about a shock absorbing mobile core. The shock absorbing core includes one or more spring washers or disc springs between rigid upper and lower surfaces of the core to allow the upper and lower surfaces to move resiliently toward and away from each other. This allows the core to absorb forces applied to it by the vertebrae. The components of the shock absorbing core including the disc springs are formed of rigid materials having high durability and biocompatibility. | 07-30-2009 |
20090192618 | ARTIFICIAL SPINAL DISK - An artificial spinal implant for placement between adjacent vertebrae to replace disk material and to stabilize the involved vertebrae is described. The artificial disk may be disassembled for installation and/or removal for repair, replacement or adjustment, and may be assembled from the front of the spine as individual component parts, thereby permitting alignment of the spine during the assembly process, and the stabilization of the involved vertebrae once assembly has been completed. Further, the components may be chosen from a set of similar components having different sizes, thereby enabling the implant to be tailor fit to the requirements of the patient. | 07-30-2009 |
20090198337 | MEDICAL IMPLANTS AND METHODS - An apparatus includes a spacer, a proximal retention member, a distal retention member, and an actuator. The spacer is configured to engage adjacent spinous processes. The proximal retention member is coupled to the spacer such that a portion of the proximal retention member is in contact with a proximal surface of the spacer. An axis within a plane defined by a first surface of the distal retention member is non-parallel to and non-normal to a longitudinal axis of the spacer. The distal retention member is movably coupled to the spacer such that a second surface of the distal retention member contacts a distal surface of the spacer. The actuator is movably coupled to the spacer and is configured to move relative to the spacer along the longitudinal axis. An actuation surface of the actuator is slidably coupled to and substantially parallel to the first surface of the distal retention member. | 08-06-2009 |
20090198338 | MEDICAL IMPLANTS AND METHODS - An apparatus includes a spacer and an actuator. The spacer has a first spacer member configured to engage an endplate of a first vertebra and a second spacer member configured to engage an endplate of a second vertebra. The actuator has a first actuator member and a second actuator member coupled to the first actuator member. Each of the first actuator member and the second actuator member is matingly and movably coupled to the first spacer member and the second spacer member. The actuator is configured to move the spacer between a first configuration and a second configuration. The first spacer member is in contact with the second spacer member when the spacer is in the first configuration. The first spacer member is spaced apart from the second spacer member by a non-zero distance when the spacer is in the second configuration. | 08-06-2009 |
20090198339 | SYSTEMS AND METHODS FOR SPINAL FUSION - An implantable intervertebral fusion cage including a removable means for retaining material inside of the cage during implantation. Embodiments of the present invention are directed toward an implantable intervertebral fusion cage that includes at least one removable shield or veneer that is capable of retaining a surgically useful material, such as a spinal fusion-inducing material, inside of the fusion cage during implantation and/or until the shield or veneer is removed. | 08-06-2009 |
20090204218 | DISTRACTABLE SPINAL IMPLANT ASSEMBLY - A spinal implant assembly includes a housing for containing a bearing member therein and seating within an intervertebral space and a bearing member disposed within the housing for enabling disc-like movement between vertebrae defining the intervertebral space. The combination of the housing and bearing member provide a distracting mechanism disposed within the housing halves | 08-13-2009 |
20090204219 | Intervertebral Disc Prosthesis - The present invention relates to an intervertebral disk prosthesis comprising at least three parts including a first plate, referred to as the upper plate ( | 08-13-2009 |
20090204220 | Intervertebral Disc Nucleus Implants and Methods - Nucleus pulposus implants that are resistant to migration in and/or expulsion from an intervertebral disc space are provided. In one form of the invention, an implant includes a load bearing elastic body surrounded in the disc space by an anchoring, preferably resorbable, outer shell. In certain forms of the invention, the elastic body is surrounded by a supporting member, such as a band or jacket, and the supporting member is surrounded by the outer shell. Kits for forming such implants are also provided. In another form of the invention, an implant is provided that has locking features and optional shape memory characteristics. In yet another aspect of the invention, nucleus pulposus implants are provided that have shape memory characteristics and are configured to allow short-term manual, or other deformation without permanent deformation, cracks, tears, breakage or other damage. Methods of forming and implanting the implants are also described, as are delivery devices and components thereof for delivering the implants. | 08-13-2009 |
20090210062 | Orthopaedic Implants and Prostheses - Disclosed herein are spinal implants particularly useful in interbody fusion surgery. One embodiment pertains to a plate configured to establish desired lordosis and/or disc height that may be implanted and secured to a superior and inferior vertebral body. The plate may be interlocked with a spacer component to form a single implant. Also disclosed is an anti-backout mechanism that helps prevent fixators from backing out upon securement of the plate in the spine. Kits comprising different sizes and inclination angles of components are disclosed, which can assist the surgeon in preoperatively assembling an implant to best fit in the surgical site of the patient. | 08-20-2009 |
20090210063 | DISC NUCLEUS REPLACEMENT AND METHOD OF USE - An artificial disc nucleus replacement includes two mating halves which are inserted into the patient from opposite lateral sides of the patient's back, and joined together with screws. | 08-20-2009 |
20090210064 | INTERVERTEBRAL IMPLANT - An intervertebral implant having a three-dimensional body ( | 08-20-2009 |
20090216330 | SYSTEM AND METHOD FOR AN INTERVERTEBRAL IMPLANT - The invention relates to the preparation of an intervertebral space with a trial implant ( | 08-27-2009 |
20090216331 | Spinal Implant with expandable fixation - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one fixation element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to engage a surface of an adjacent vertebral body and secure the implant between two vertebral bodies. Preferably, the implant is expandable and has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it must pass to be deployed within the intervertebral space. Once within the space between vertebral bodies, the implant can be expanded so as to engage the endplates of the adjacent vertebrae to effectively distract the anterior disc space, stabilize the motion segments and eliminate pathologic spine motion. Angular deformities can be corrected, and natural curvatures restored and maintained. | 08-27-2009 |
20090222095 | Disc implant device - A device in a disc implant ( | 09-03-2009 |
20090222096 | MULTI-COMPARTMENT EXPANDABLE DEVICES AND METHODS FOR INTERVERTEBRAL DISC EXPANSION AND AUGMENTATION - A method of augmenting the nucleus pulposus of an intervertebral disc comprises forming a passage through an annulus fibrosus surrounding the nucleus pulposus and inserting a space creating device comprising a plurality of chambers. Without removing a portion of the nucleus pulposus, plurality of chambers are filled to expand the space creating device to create a space within the nucleus pulposus. The method further comprises injecting at least one biocompatible material into the space within the nucleus pulposus. | 09-03-2009 |
20090222097 | Nucleus implant and method of installing same - A nucleus implant is disclosed. The nucleus implant can be configured to be installed within an intervertebral disc between an inferior vertebra and a superior vertebra. The nucleus implant can include an expandable core and an expandable chamber that can be disposed at least partially around the expandable core. The expandable chamber can be expanded from a deflated position to an inflated position. Further, a hardness of the expandable core when inflated can greater than or equal to a hardness of the expandable chamber when inflated. | 09-03-2009 |
20090222098 | Spinal nucleus replacement with varying modulus - An intervertebral disc augmentation implant comprises an implant body adapted for implantation within an annulus fibrosis the intervertebral disc, adjacent to an at least partially intact nucleus pulposus of the intervertebral disc, and comprising a core area, a peripheral wall area, a top face area, and a bottom face area. The implant body is formed from at least one material and the implant body has a modulus of elasticity gradient that gradually changes from the core area of the implant body to the peripheral wall area of the implant body. | 09-03-2009 |
20090222099 | Self Centering Nucleus Implant - An intervertebral disc augmentation implant for implantation between a pair of vertebral bodies comprises an elastically deformable outer casing having at least one thickness dimension and a core member having isotropic material properties. The core member is entirely encased within the outer casing and has a height dimension along an axis defined by the pair of vertebral bodies. The modulus of elasticity of the core member is greater than a modulus of elasticity of the outer casing, and the height dimension of the core member is greater than the at least one thickness dimension of the outer casing. | 09-03-2009 |
20090222100 | Tool for implanting expandable intervertebral implant - An expandable intervertebral implant and tool for use in implanting same are disclosed. The tool is useful in retaining the implant in a non-expanded state throughout insert of the implant between adjacent vertebral bodies. Among other elements, the tool includes a rod, a sleeve placed over the rod, and a locking knob attached to the rod and the sleeve to fix them with respect to each other. This construct preferably aids in preventing movement of the various components of the implant, including first and second members and first and second wedges. A method of attaching inserting the implant through the use of the tool and attaching the tool to the implant are also disclosed. | 09-03-2009 |
20090222101 | Prosthetic Disc for Intervertebral Insertion - A prosthetic disc for insertion between adjacent vertebrae includes a core having upper and lower curved surfaces, upper and lower plates, and peripheral restraining structure on at least one of the upper plate, the lower plate and the core. Each plate has an outer surface which engages a vertebra and an inner curved surface which slides over the curved surface of the core. The peripheral restraining structure serves to hold the core against a curved surface of at least one of the plates during sliding movement of the plates over the core. | 09-03-2009 |
20090240334 | VERTEBRAL DEVICE FOR RESTORATION OF VERTEBRAL BODY HEIGHT - An intra-vertebral body height restoring device includes a body for insertion into an intra-vertebral space. The body includes top and bottom surfaces for engaging opposing vertebral surfaces defining the intra-vertebral space. The body includes at least two layers extending along a width of the body and having a fully expanded and fully collapsed height relative thereto. A reversible expansion mechanism selectively and reversely expands and collapse the height of the layers and including the fully expanded and collapsed heights to restore a selected height to the intra-vertebral space. | 09-24-2009 |
20090240335 | Expandable Devices for Emplacement in Body Parts and Methods Associated Therewith - Disclosed are devices and methods for emplacement of an expandable device in a body part of interest in human and animal subjects. In one embodiment, the expandable device comprises a cage that may be emplaced in the intervertebral disc for use in spine fusion techniques. The device is fashioned so that it may be delivered to the intervertebral disc by percutaneous means, such as via a cannula. Additionally disclosed are systems and kits employing the devices of the invention as well as methods of manufacturing the devices of the invention. | 09-24-2009 |
20090248162 | Microparticle delivery syringe and needle for placing suspensions and removing vehicle fluid - Described are reinforced, load-bearing medical implants and methods for preparing and using them. In one aspect a load-bearing orthopedic implant includes a reinforcing polymeric structure including a continuous piece having an internal interconnected porous network. A hardened, calcium-containing material is formed as a non-sintered load-bearing body encompassing the reinforcing structure and filling the internal porous network of the structure. | 10-01-2009 |
20090248163 | SPINAL SURGERY INTERBODY - An inter-vertebral implant wherein at least one of the side walls defining a hole from the exterior of the implant to the fusion promotion cavity and having a posterior portion and an anterior portion, the side wall hole being elongated in a direction between the posterior and anterior ends of the side wall hole. In some embodiments, the side wall hole is tapered toward the posterior portion of the implant and can be tear drop shaped. In some embodiments the cephalad and caudal surfaces may be convex with radii of curvature which can be the same for all implant sizes. The surfaces may include teeth which can extend beyond a central cavity. A nose, tapered in the saggital and transverse planes may be included on the anterior end of the implant. Some embodiments also include a threaded hole (with a depth that can be the same for all implant sizes) and an adjoining slot for engaging an insertion instrument. Each of the portions of the implant can have the same length for all implant sizes. | 10-01-2009 |
20090248164 | INTERBODY CAGE SYSTEM - An interbody cage system includes an interbody cage having a proximal end, a distal end, and an interior. The interbody cage system also includes an insertion tool. A portion of the insertion tool extends into the proximal end and the interior. | 10-01-2009 |
20090254185 | IMPLANT FOR THE TREATMENT OF LUMBAR SPINAL CANAL STENOSIS - Disclosed is an implant for treating lumbar spinal canal stenosis, comprising a spacer that is proved with an elongate interior space into which an insert part can be inserted. A first retaining element is fixed in the spacer in the inserted state. Said first retaining part can be folded apart by inserting the insert part while a second rear retaining element that is molded onto the insert part simultaneously comes to rest on the vertebral processes, thus making it possible to insert the implant unilaterally while reducing the rist of having to undergo possible postoperative interventions. | 10-08-2009 |
20090254186 | NUCLEAR IMPLANT - The nuclear implant according to this invention constitutes, between two overlying and underlying vertebrae Va, Vb of a spine segment Sr, an intervertebral support device that damps shock and ensures the mobility of the functional unit that is formed by the vertebrae of a vertebral column, whereby the nuclear implant includes a filling element ( | 10-08-2009 |
20090259316 | Spacer Devices and Systems for the Treatment of Spinal Stenosis and Methods for Using the Same - Spacer devices for treating spinal stenosis are provided herein. In some example embodiments, these devices are configured for attachment on the interspinous ligaments with minimal injury thereto. Also provided are systems for the delivery of the spacer devices, tools for measuring and assessing the interspinous space and methods for using the same. | 10-15-2009 |
20090265006 | Lateral Spinous Process Spacer - Interspinous process implants are disclosed. Also disclosed are systems and kits including such implants, methods of inserting such implants, and methods of alleviating pain or discomfort associated with the spinal column. | 10-22-2009 |
20090265007 | VERTEBRAL INTERBODY COMPRESSION IMPLANT - An apparatus and method for securing boney structures is disclosed which includes a compression mechanism and a force transfer mechanism. The compression mechanism may have bone engagement members that have one portion slideably coupled to a housing positioned within the implant and another portion rotatably coupled to the implant so that a movement of the housing causes the slideable portion to move within the housing and a penetrating member to rotate about the rotatably coupled portion. The force transfer mechanism may be coupled to the compression mechanism to move the housing. | 10-22-2009 |
20090265008 | Spinal implant apparatus and methods - A method of inserting and positioning an intervertebral spacer is provided. The spacer includes a longitudinal axis, an on-axis interface coincident with or parallel to the longitudinal axis, and an off-axis interface angled to the longitudinal axis. The spacer's front end may be curved. The method may include inserting the spacer into the disc space utilizing a tool to engage an on-axis interface and then to engage one or more of the off-axis interfaces, which may be used for further modification of the spacer. The tool is moved substantially along a single insertion direction, which may be substantially parallel to a posterior-anterior axis of the disc space. The method may result in the longitudinal axis of the spacer being perpendicular to the insertion direction, or substantially parallel to a medial-lateral axis of the disc space. The spacer may also be positioned in an anterior aspect of the disc space. | 10-22-2009 |
20090270987 | Expandable vertebral implants and methods of use - Illustrative embodiments disclosed herein are directed to vertebral implants and methods of use. In one embodiment, the implant includes first and second end members with an intermediate cage. The cage may be inflatable such that the implant is positionable between a collapsed state with a first reduced height to facilitate insertion between the first and second vertebral members, and an extended state with a second height greater than the first height that positions the first end member against the first vertebral member and the second end member against the second vertebral member to maintain an intervertebral axial space. | 10-29-2009 |
20090270988 | ARTIFICIAL SPINAL DISC IMPLANT - An artificial spinal disc implant is provided that may be implanted between adjacent vertebrae in the spine to replace, repair or augment a natural spinal disc. The spinal disc implant may be characterized by one or more biomechanical properties that approximate those of a natural spinal disc. The implant is also designed to be sufficiently secured to the vertebrae so that it may function in the body for long time periods. | 10-29-2009 |
20090270989 | SPINAL IMPLANTS AND METHODS - Spinal implants are disclosed that can be used for annular repair, facet unloading, disc height preservation, disc decompression, or for sealing a portal through which a nucleus implant was placed. In some embodiments, an implant is placed within the intervertebral disc space, primarily within the region of the annulus fibrosus. In some embodiments, the implant is expandable. In some embodiments, the implant has a sealing tail structure comprising a tail flange and a linkage. In some embodiments, the sealing tail structure limits the extrusion or expulsion of disc material, either annulus fibrosus or nucleus, into the posterior region of the spine where it could impinge on nerves. In some embodiments, the tail structure is retained in place within the annulus fibrosus by means of an anchor. In some embodiments, the anchor is constructed from multiple components. | 10-29-2009 |
20090270990 | Vertebral Cage Device With Modular Fixation - Intervertebral arthrodesis for insertion in an intervertebral space separating opposite faces of two adjacent vertebrae has a ring shaped intervertebral cage having a bar that extends perpendicular to the axis of the spine. The bar has a height less than the rest of the cage. A surface of the cage contacting the vertebrae has an undulating shape for limiting sliding of the cage in a plane parallel to the vertebrae faces. | 10-29-2009 |
20090270991 | Spinal fusion implant with bone screws - An interbody spinal fusion implant made of a material other than bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. The implant has a leading end that is curved to form a portion of a circle from side to side, sides that are at least in part straight, and a trailing end with a bone screw receiving hole for receiving at least one bone screw to engage the vertebral bodies. | 10-29-2009 |
20090270992 | ARTIFICIAL INTERVERTEBRAL DISC IMPLANT - The invention relates to an artificial intervertebral disc for placement between adjacent vertebrae. The artificial intervertebral disc is preferably designed to restore disc height and natural disc curvature, allow for a natural range of motion, absorb shock and provide resistance to motion and axial compression. Furthermore, the intervertebral disc may be used in the cervical, the thoracic, or the lumbar regions of the spine. The artificial intervertebral disc may include either singularly or in combination: an interior including at least one spring member preferably incorporating an arcuate surface member, a flexible core, the flexible core preferably being a slotted core, a ring spring, a winged leaf spring, a leaf spring, or the articulating member preferably being attached to one of the endplate by an intermediate shock absorbing element. Moreover, the interior may include a fluid; a valve for injecting fluid into the interior of the disk; a central region having a stiffness that is preferably greater than the stiffness of the outer regions thus enabling the disc to pivot about the central region. The central pivot may be formed by a center opening, a central chamber, an inner core or a central cable. | 10-29-2009 |
20090276049 | Implant for Transforaminal Intracorporeal Fusion - The invention relates to an implant for the transforaminal intracorporeal fusion of lumbar vertebral column segments. At least some sections of the surface areas that are in direct contact with the spinal column are provided with an anti-dislocation mechanism ( | 11-05-2009 |
20090276050 | SPACE KEEPER WITH ADJUSTABLE AXIAL LENGTH - A space keeper for insertion between two vertebrae which has a variable axial length is provided. The space keeper possesses a sleeve-like first member ( | 11-05-2009 |
20090276051 | Polyaryletherketone Artificial Intervertebral Disc - An intervertebral prosthesis for insertion between adjacent vertebrae, in one embodiment, includes upper and lower prosthesis plates and a movable core. The prosthesis plates and optionally the core are formed of polyaryletherketone (PAEK) for improved imaging properties. A metallic insert is provided on each of the PAEK prosthesis plates providing a bone ongrowth surface. | 11-05-2009 |
20090281629 | Intervertebral disc prosthesis - The invention concerns an intervertebral disc prosthesis ( | 11-12-2009 |
20090292362 | INTERVERTEBRAL IMPLANT AND METHODS OF IMPLANTATION AND MANUFACTURE - In one aspect, an intervertebral prosthetic device for implantation within a disc space between adjacent first and second vertebral endplates includes a body including a main body with an outer surface bearing portion configured to interface with and articulate relative to one of the first and second vertebral endplates. It also comprises an orientation protrusion shaped in a manner to at least partially inhibit rotation of the body in the disc space. The body is sized in at least one direction to fit inside a boundary defined by a travel path of the first vertebra relative to the second vertebra, the travel path forming an arc about a center of rotation of the first vertebra, the travel path being spaced from the center of rotation a distance substantially equivalent to the distance from the center of rotation to the second vertebral endplate. | 11-26-2009 |
20090292363 | INTERVERTEBRAL PROSTHESIS - A prosthesis for replacing a native disc between first and second adjacent vertebral bodies. The prosthesis includes a compliant element having a first composition and a geometry for providing a plurality of element stiffnesses for the compliant element substantially matching spatial stiffnesses of the native disc. The prosthesis also includes an upper plate of the first or a second composition, the upper plate having opposed inner and outer surfaces, the upper plate inner surface having a first retaining structure for affixing a position of the first end of the compliant element, and a lower plate of the first or a second composition, the lower plate having opposed inner and outer surfaces, the lower plate inner surface having a second retaining structure for affixing a position of the second end of the compliant element. | 11-26-2009 |
20090299478 | Lordotic Implant for Posterior Approach - An intervertebral implant for positioning in a lordotic disc space that avoids any unnecessary cutting of bone and therefore, any unwanted subsidence, is provided. Specifically, the implant can work particularly well between the L5-S1 juncture. The implant comprises an inferior component, and a superior component, wherein the superior component has an upper portion and a lower portion, wherein an expandable component is situated between the upper portion and the lower portion, and the implant has a profile that changes from a relatively flat profile to a relatively angled profile. A method for inserting an intervertebral implant into a lordotic intervertebral disc space from a posterior approach without unnecessary bone removal, and without resulting subsidence also is provided. | 12-03-2009 |
20090299479 | SUTURE GUIDED IMPLANT - Methods and apparatuses are disclosed relating to surgical implants having one or more strands extending from the implant to assist with the installation of the implants into patients. In one example, the strand may be used during installation to provide a constant reference to the trailing edge of the implant in situ. In another example, the strand may be used during installation to provide guidance to the implant for instrumentation. In another example, the strand may be used during installation to provide the ability to pull back on the implant. In another example, the strand allows for novel designs of installation and removal instruments. | 12-03-2009 |
20090306780 | INTERVERTEBRAL IMPLANT INTENDED FOR OSSEOUS FUSION - This implant ( | 12-10-2009 |
20090326657 | Pliable Artificial Disc Endplate - An intervertebral implant for replacing an intervertebral disc of the human spine, the implant including first and second conformable foam endplates, each endplate being conformable to a boney vertebral endplate under an anatomical load, and a core between the endplates, wherein the conformable foam endplates partition the core from the boney vertebral endplate so that the core does not contact the boney vertebral endplate. | 12-31-2009 |
20090326658 | INTERVERTEBRAL PROSTHETIC DISC AND METHOD OF INSTALLING SAME - An intervertebral prosthetic disc that is configured to be installed within an intervertebral space that can be established between an inferior vertebra and a superior vertebra is disclosed. The intervertebral prosthetic disc includes an inferior articular half that can be configured to engage the inferior vertebra and a superior articular half that can be configured to engage the superior vertebra. The inferior articular half can be configured to cooperate with the superior articular half to allow relative angular motion between the inferior vertebra and the superior vertebra when installed. Further, the intervertebral prosthetic device can be sized and shaped to pass through a psoas muscle without injuring a spinal cord or a sympathetic chain. | 12-31-2009 |
20100004747 | Trans-Vertebral and Intra-Vertebral Plate and Fusion Cage Device for Spinal Interbody Fusion and Method of Operation - A trans-vertebral and intra-vertebral plate and a rectangular cage with a slot for the plate of spinal fixation device are for neutralizing intervertebral movement for the spinal interbody fusion. The rectangular cage with a vertical or oblique slot is inserted into the intervertebral space from the lateral or anterior side of the spinal column and then the plate is inserted through the slot of the cage and hammered into and buried inside two adjacent vertebral bodies, to achieve three-dimensional intervertebral fixation. | 01-07-2010 |
20100004748 | INTERVERTEBRAL PROSTHESIS - An intervertebral prosthesis including an elastically deformable disc arranged around an axis with upper and lower surfaces, oriented generally perpendicular to the axis, for engaging the faces of adjacent vertebral bodies between which a natural disc has been wholly or partially removed. The disc can have an exterior wall and be arranged to undergo flexion, compression and expansion in response to forces applied by the supporting vertebra to the disc. A pin can be provided to limit movement of the disc. A portion of the disc such as the central section can have one or more generally horizontal slits extending perpendicular to the axis to provide a spring function. | 01-07-2010 |
20100004749 | INTERVERTEBRAL DISK PROSTHESIS SYSTEM - An intervertebral disk prosthesis system, which is used for forming an artificial intervertebral disk and comprises a first and a second prosthesis component wherein each of the two prosthesis components comprises a first and a second vertebral body contacting element for placement on neighboring vertebral bodies bounding an intervertebral disk space of a spinal column and a joint element that is mounted between and is moveable relative to at least one of the first and second vertebral body contacting elements, attains a substantially natural range of motion independent of the positioning of the two prosthesis components relative to each other and to the neighboring vertebral bodies. Each prosthesis component has a ball joint formed between the first and second vertebral body contacting elements. | 01-07-2010 |
20100004750 | Mechanical apparatus and method for artificial disc replacement - The present invention relates to a device and method to 1) facilitate disk fusing, 2) perform an artificial replacement of the nucleus, 3) perform an artificial replacement of the annulus, or 4, perform an artificial replacement of both the nucleus and annulus. The device is designed to be placed into the inter-vertebral space following diskoctomy. The invention includes a delivery catheter and an expandable continuous mesh loop that has a torus configuration with a lumen within the mesh and a central hole. The mesh loop can be diametrically increased or contracted in diameter by the control element acting on the mesh loop. The mesh loop may be formed of a woven or braided material for a polymer such as PEEK (polyetheretherketone), nylon, polyurethane, polyester, polyethylene, polypropylene or any other biocompatible polymer, or formed from a metallic braid of stainless steel, Elgiloy, Nitinol, or any other biocompatible metal. | 01-07-2010 |
20100004751 | Mechanical apparatus and method for artificial disc replacement - The present invention relates to a device and method to 1) facilitate disk fusing, 2) perform an artificial replacement of the nucleus, 3) perform an artificial replacement of the annulus, or 4, perform an artificial replacement of both the nucleus and annulus. The device is designed to be placed into the inter-vertebral space following diskectomy. The invention includes a delivery catheter and an expandable continuous mesh loop that has a torus configuration with a lumen within the mesh and a central hole. The mesh loop can be diametrically increased or contracted in diameter by the control element acting on the mesh loop. The mesh loop may be formed of a woven or braided material for a polymer such as PEEK (polyetheretherketone), nylon, polyurethane, polyester, polyethylene, polypropylene or any other biocompatible polymer, or formed from a metallic braid of stainless steel, Elgiloy, Nitinol, or any other biocompatible metal. | 01-07-2010 |
20100004752 | Vertebral body and disc space replacement devices - A vertebral replacement device for supporting adjacent vertebrae includes a vertebral body member having at least one of an upper or lower disc replacement member engaged thereto at one end thereof. The disc replacement device can be positioned in a spinal disc space when disengaged from the vertebral body member. | 01-07-2010 |
20100010633 | Deployable Arc Fusion Cage and Methods Associated Therewith - Expandable fusion cages and methods associated therewith are disclosed. The present invention is generally directed to an apparatus and method for implanting an anterior installed intervertebral fusion cage system which can be selectively expanded between two adjacent vertebrae to cause them to change position relative to each other and produce a normal alignment of the spine, while promoting fusion of the vertebrae. Accordingly, the invention relates to an expandable fusion cage that may be inserted, in a reduced size configuration, into an intervertebral space and expanded after insertion to provide a desired size. | 01-14-2010 |
20100010634 | Biocompatible intervertebral spacer - An intervertebral spacer configured for insertion between two vertebrae includes two opposite plates having one or more protruding parts for immobilization in the intervertebral space, a shock absorbing element, and a rigid spacer element positioned and constrained between the plates. The rigid spacer element permits small relative movements between the plates, which are countered by the shock absorbing element. | 01-14-2010 |
20100016972 | Artificial Intervertebral Disc Placement System - An intervertebral disc placement system includes a multi part intervertebral disc, such as a mobile core disc, and an associated placement instrument. The placement instrument holds the disc securely with the disc endplates angled for ease of placement of the disc into an intervertebral disc space and quickly releases the implant within the disc space. The disc includes upper and lower plates having notches in inner surfaces for engagement of the placement instrument. The placement instrument has a rotatable key configured to fit into the first and second notches to grasp the disc from the interior and eliminate the need for an external grasping mechanism which could interfere with disc placement. | 01-21-2010 |
20100016973 | Posterior Prosthetic Intervertebral Disc - A prosthetic intervertebral disc is formed of first and second end plates sized and shaped to fit within an intervertebral space and to be implanted from the back of the patient, thereby decreasing the invasiveness of the procedure. The posterior approach provides for a smaller posterior surgical incision and avoids important blood vessels located anterior to the spine particularly for lumbar disc replacements. The first and second plates are each formed of first, second and third parts are arranged in a first configuration in which the parts are axially aligned to form a low profile device appropriate for insertion through the small opening available in the TLIF or PLIF approaches described above. The three parts of both of the plates rotate and translate with respect to one another in situ to a second configuration or a deployed configuration in which the parts are axially unaligned with each other to provide a maximum coverage of the vertebral end plates for a minimum of insertion profile. Upon deployment of the disc, a height of the disc is increased. | 01-21-2010 |
20100016974 | SYSTEMS AND METHODS FOR SECURING AN IMPLANT IN INTERVERTEBRAL SPACE - An intervertebral disc implant with upper and lower bearing members with an articulation interface between the members for providing relative motion therebetween. In one form, a securing member with an elongate shaft and a bone-engaging member on the shaft is disposed on one of the bearing members. The bone-engaging member is deployable into a bone-engaging position via rotational displacement of the shaft. In another form, a bone-engaging member is deployable via an actuator inserted into the implant body. In another form, the securing member secures an intervertebral implant in intervertebral space via deformation of the securing member causing a bone-engaging member of the securing member to be deployed into contact with an adjacent vertebra. | 01-21-2010 |
20100023128 | MODULAR NUCLEUS PULPOSUS PROSTHESIS - A modular nucleus pulposus prosthesis comprising at least two generally mirror image complimentary disc segments combined to form a generally discoid endoprosthetic disc and to associated tools and methods for replacing the intervertebral disc. The complimentary segments are substantially identical including outer circumferential walls roughly equal to a semi-circle aligned along concave-convex inner wall inner walls forming a common border and a generally symmetrical discoid congruent structure which is positioned within the annulus of a spinal disc section. Disc segments may include structures to support, position and secure the segments to one another intradiscally. Surgical tools include structures for inserting and aligning disc members together. Also disclosed is a system and method for replacing the nucleus pulposus using the surgical tools adapted for placement and alignment of the disc. | 01-28-2010 |
20100030336 | SPINAL DISC PROSTHESIS AND INSTRUMENTS - Described is an articulating intervertebral disc prosthesis including a first member having a vertebra engaging portion and a bearing surface; a second member having a vertebra engaging portion and a bearing surface, which in use abuts the first member bearing surface to form a first bearing joint, —and motion restraint means adapted to provide ax-ticulation restraint of the bearing joints at predetermined limits of articulation similar to the natural motion restraint of a facet joint; wherein the prosthesis is longitudinally-split into two bodies so that the two bodies can be laterally separated, each body having an articulating bearing joint. Preferably, the second member bearing surface is shaped to include at least a portion of a first substantially circular curve when viewed in a first section, and at least a portion of a second substantially circular curve when viewed in a second section, said first and second curves being of respectively different sizes of circle. Further described is a chisel and a chisel guide for preparing the disc space for implantation. | 02-04-2010 |
20100030337 | Spine Surgery Technique And System - A system and method for use in spinal surgery to alleviate a bulging/herniated disc. The method comprises inserting a first cannula into a vertebra, and inserting a first anchor into the first cannula through the vertebra and into a disc, the first anchor generating a magnetic field pointing in a first direction. The method further comprises inserting a second anchor through the first cannula and through the vertebra, the second anchor generating a magnetic field pointing in the first direction, the second anchor including a second cannula; and pulling the second cannula to anchor the second anchor into the vertebra. As the magnetic fields are in the same direction, the first anchor repels the second anchor thereby pushing a bulging disc back in place. | 02-04-2010 |
20100030338 | PROSTHESIS FOR NUCLEUS OR INTER-VERTEBRAL DISC REPLACEMENT - The invention relates to a nucleus or inter-vertebral disc prosthesis that comprises at least two plates capable of movement relative to each other through at least one articulation interface defined by a female surface and a male surface each having an essentially spherical shape and essentially equal diameters. The two articulation surfaces are respectively intersected by surfaces that define between them a relative mobility space for the plates when the articulation surfaces are coapted; the surface intersecting the female surface being contained in the volume defined by an equatorial plane of said sphere except for said equatorial plane itself, the surface intersecting the male surface being planar or convex. | 02-04-2010 |
20100036497 | TOTAL DISC REPLACEMENT DEVICE - An intervertebral implant for implantation between an upper vertebra and a lower vertebra having a central axis. The implant may have a first member with a top surface for contacting at least a portion of the upper vertebra and a bottom surface as well as a second member with a top surface and a bottom surface for contacting at least a portion of the lower vertebra. An elastic spacer may be disposed between the first member and the second member. The bottom surface of the first member and the top surface of the second member may have a first constraint means and the other of the bottom surface of the first member and the top surface of the second member may be provided with a second constraint means, to limit the amount of lateral movement between the first and second members. Additionally, the constraint means may be sized and configured such that a gap with a width greater than zero is provided at least transversely to the central axis between the first and second constraint means in an unloaded state. | 02-11-2010 |
20100036498 | FUSION CAGE WITH REVERSE THREAD PROFILE (RTP) - A bone fixation system for stabilizing two skeletal structures relative to one another, the system comprising: | 02-11-2010 |
20100042219 | EXPANDABLE CAGE FOR INTERVERTEBRAL BODY FUSION - An expandable cage for enhancing fusion of adjacent vertebral bodies includes a housing having a top and a bottom surface. A flexible mesh couples the top and bottom surfaces to allow movement of the top and bottom plate members relative to one another. An aperture formed on the expandable cage receives a selected material. The flexible mesh is in a normally collapsed position but enables the top and bottom plate members to move farther relative to one another when the housing is injected with the selected material. A portion of the flexible mesh expands laterally out of the housing when the housing is injected with the selected material. The top and bottom surfaces are made from carbon fiber, titanium, steel, implantable plastics, or other suitable material. The injected material may be a bone graft or a bone graft substitute (e.g., bone morphogenetic protein). | 02-18-2010 |
20100042220 | BONE FIXATION SURFACES FOR INTERVERTEBRAL IMPLANTS - An intervertebral implant has an implant structure providing a fixation surface for fixation to the endplate of a vertebral body. The fixation surface includes two bone contact regions at different heights in an axial direction. A transition between the two contact regions has a stepped form including at least two steps. | 02-18-2010 |
20100042221 | Reinforced molded implant formed of cortical bone - This invention relates to arthodesis for stabilizing the spine. More specifically, the present invention is directed to an intervertebral spacer formed of a bone material and to methods of treating patients having spinal deformities. The invention provides a spinal implant assembly comprising bone-derived components. The bone-derived components can be formed into modular units that can be assembled to provide a wide variety of implant configurations. In addition, the bone-derived components can form scaffold that can withstand the shear and impact forces necessary to insert the assembled implant into a disc space between adjacent vertebrae. In preferred forms the implants define an open spacer that serves as a depot for receipt of an osteoconductive material. The ostoegenic material is preferably a moldable filler that can form a molded reinforced implant. | 02-18-2010 |
20100049324 | EXPANDABLE INTERBODY FUSION CAGE WITH ROTATIONAL INSERT - An expandable intervertebral fusion cage that includes an inferior baseplate and a superior baseplate, an insert rotatbly received between the inferior and superior baseplates, and a guide pin coupled to the inferior and superior baseplates for facilitating the rotation of the insert. The insert includes a pair of protuberances, each of which are releasably engageable with a corresponding lock groove formed within the inferior and superior baseplates. When said insert is rotated relative to the guide pin, the protuberances engage the lock grooves, and the inferior and superior baseplates expand from a collapsed position, in which said inferior and superior baseplates are juxtaposed with one another, and an expanded position, in which said inferior and superior baseplates are diverged away from one another. As a result, the cage distracts in parallel. Tabs formed on the superior baseplate continuously engage slots formed within the inferior baseplate when the baseplates expand from their collapsed position to their expanded position. | 02-25-2010 |
20100049325 | HEIGHT-ADJUSTABLE INTERVERTEBRAE IMPLANT - An intervertebral implant for insertion between two vertebrae is disclosed. A first part has a first contact surface extending between its two ends a first guide surface extending out from the first contact surface. A second part has a second contact surface extending between its ends, and a second guide surface recessed into the second contact surface. The first guide surface and the second guide surface cooperate so that the first contact surface of the first part can slide relative to the second contact surface of the second part with a translation motion guided by the cooperating structures of the first and second guide surfaces. The height of the intervertebral implant can be altered by shifting the first part and the second part relative to each other by moving the contact surfaces relative to each other by using the cooperating guide surfaces. | 02-25-2010 |
20100057206 | INTERVERTEBRAL FUSION IMPLANT - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 03-04-2010 |
20100057207 | Bone grafts - Spinal spacers | 03-04-2010 |
20100057208 | Expandable spinal fusion cage and associated instrumentation - An expandable spinal implant comprising a cage body including at least two movable branches having first end portions that are interconnected to one another and second end portions that are movable relative to one another. The movable branches include a first shell portion having a first pair of longitudinal edges and defining a first hollow region therebetween, and a second shell portion having a second pair of longitudinal edges and defining a second hollow region therebetween, with the first and second hollow regions cooperating to define at least a portion of a hollow interior of the cage body. An expansion member co-acts with the first and second shell portions to transition the cage body to an expanded configuration as the expansion member is axially displaced along said first and second pairs of longitudinal edges. In one embodiment, at least one of the shell portions defines a plurality of retention elements positioned at select axial locations along a corresponding one of the longitudinal edges, with the expansion member engaged with one or more of the retention elements to retain the expansion member at a select axial position to maintain the implant in the expanded configuration. | 03-04-2010 |
20100063592 | INTERLOCKING MULTI-PIECE INTERVERTEBRAL DISC PROSTHESIS AND METHOD FOR IMPLANTING SAME - An interlocking intervertebral disc prosthesis is provided. The prosthesis can include a left prosthetic body and a right prosthetic body that interlock with one another. A kit for replacing an intervertebral disc with an interlocking intervertebral disc prosthesis is also provided. A method for surgically implanting an interlocking intervertebral disc prosthesis is also provided. | 03-11-2010 |
20100070033 | Dynamic Six-Degrees-Of-Freedom Intervertebral Spinal Disc Prosthesis - The subject invention provides a modular six-degrees-of-freedom spatial mechanism for spinal disc prosthesis, with up to three rotational and up to three translational degrees-of-freedom within the entire workspace of a Functional Spinal Unit (FSU). The prosthetic disc mechanism consists of up to three independent cylindrical joints, each joint providing one linear and one rotational degree of freedom. The superior and inferior vertebral plates of the device anchor to the superior and inferior vertebrae of an FSU and the device maintains an inseparable mechanical linkage between those vertebrae for all normal motions and positions of the FSU. The device utilizes resilient spring elements, components that self-adjust in position and orientation, in conjunction with a fiber reinforced boot and toroidal belt, as well as a unique hydraulic damping system to accommodate dynamic and static forces and sudden shocks on the FSU. The device can adjust to maintain the appropriate, but changing, intervertebral spacing during normal FSU motion. Scaling, conjoined with cushioned, joint-limit stops, allows the device to realize almost any nominal spinal articulation, from the cervical to lumbar regions. | 03-18-2010 |
20100070034 | CERVICAL INTRA-LAMINA FUSION IMPLANT DEVICE AND METHOD - A cervical intra-laminar fusion implant to be placed in cervical lamina includes a first lateral surface including a first arched edge, a second lateral surface positioned opposite to the first lateral surface, the second lateral surface including a plurality of posterior windows and a second arched edge, a top wall attached to the first lateral surface and the second lateral surface, the top wall having a plurality of teeth, a bottom wall positioned opposite to the top wall and attached to the first lateral surface and the second lateral surface, the bottom wall having a plurality of bottom teeth, a plurality of internal voids configured through the top wall and the bottom wall, and a connection mechanism connected to the top wall. The connection mechanism is positioned superior over the cervical lamina. | 03-18-2010 |
20100070035 | INTERVERTEBRAL DISC PROSTHESIS AND METHOD FOR IMPLANTING AND EXPLANTING - Prosthesis for inserting into a damaged intervertebral disc having an elongated tubular main prosthesis body with a length to fit laterally from one side of a disc to the other at its mid-plane. The main prosthesis body has a vertical height slightly greater than the height of normal disc space of the damaged intervertebral disc into which it is to be implanted, and a shape in cross section normal to its longitudinal axis so that main prosthesis body makes appropriate contact with vertebrae abutting to the damaged intervertebral disc. Heads having a vertical height greater than the vertical height of the main prosthesis body are mounted on the ends of the main prosthesis body. A method for implanting from one side only and a method for explanting from one side only. | 03-18-2010 |
20100070036 | EXTENDABLE INTERVERTEBRAL DISC PROSTHESIS SYSTEM - The present invention generally relates to an extendable intervertebral disc prosthesis system and assemblies thereof. A prosthesis system of certain embodiments includes a superior and inferior endplate assembly as well as an inner core disposed therebetween. Each endplate assembly includes two plates that slide relative to one another longitudinally such that the endplate assembly moves from an unextended position having a first width to an extended position having a second width greater than the first width. The present invention also provides a telescoping intervertebral disc prosthesis system. Additionally, the present invention provides methods for implanting extendable intervertebral disc prosthesis systems and their assemblies. The present invention also provides a kit for implanting an extendable intervertebral disc prosthesis system, including an insertion tool and an extendable intervertebral disc prosthesis system. | 03-18-2010 |
20100070037 | ORTHOPAEDIC IMPLANTS AND PROSTHESES - The present invention provides a spinal implant or prosthesis having a plate portion for securing to adjacent vertebrae and a cage portion for insertion therebetween in which one or more plate portions are pivotally connected to the cage portion. Preferably, both the upper and lower portions are pivotally connected to rotate about a common axis (X). | 03-18-2010 |
20100070038 | INTERSPINOUS IMPLANT - This interspinous implant ( | 03-18-2010 |
20100070039 | INTERBODY SPACER - An interbody spacer is provided. The spacer includes a housing having a top portion, a bottom portion, and a plurality of side portions disposed between the top portion and the bottom portion, a midline portion configured to be disposed across at least one of the top portion and the bottom portion of the housing, an opening disposed between the top portion and the bottom portion, and a grooved channel disposed in at least one of the plurality of side portions. The top and bottom portions are configured to include a plurality of projections configured to protrude away from the top and bottom portions. | 03-18-2010 |
20100070040 | Intervertebral Disc Replacement - Instrumentation for implanting a cervical disc replacement device includes cervical disc replacement trials for determining the appropriate size of replacement device to be implanted, an insertion plate for maintaining the elements of the replacement device in fixed relation to one another for simultaneous manipulation, an insertion handle for attachment to the insertion plate for manipulation of the elements, an insertion pusher for releasing the insertion handle from the insertion plate, a drill guide that cooperates with the insertion plate to guide the drilling of tap holes for bone screws to be placed through bone screw holes in the flanges of the replacement device, clips that are applied to the flanges after placement of the bone screws to resist screw backout, and a clip applicator for applying the clips to the flanges. | 03-18-2010 |
20100070041 | Expandable spinal implant and associated instrumentation - An expandable spinal implant including an implant body transitionable between an initial configuration and an expanded configuration. The implant body includes first and second axial walls spaced apart along a transverse axis, with at least one of the walls including first and second axial wall portions laterally offset from one another. An expansion member co-acts with the first wall portion to outwardly displace the first wall portion relative to the second wall portion to transition the implant body to the expanded configuration. In another embodiment, the first wall portion defines a recessed region relative to the second wall portion when the implant body is in the initial configuration, and wherein the recessed region is outwardly expanded as the implant to body is transitioned to the expanded configuration. In a further embodiment, the first wall portion is movable while the second wall portion remains substantially stationary. | 03-18-2010 |
20100070042 | Implantable Joint Prosthesis - The invention relates to a surgical implant that provides an artificial diarthroidal-like joint, suitable for use in replacing any joint, but particularly suitable for use as an intervertebral disc endoprosthesis. The invention contains two rigid opposing shells, each having an outer surface adapted to engage the surfaces of the bones of a joint in such a way that the shells are immobilized by friction between their outer surfaces and the surfaces of the bone. These outer surfaces are sufficiently rough that large frictional forces strongly resist any slippage between the outer surface and the bone surfaces in the joint. They may be convex, and when inserted into a milled concavity, are immediately mechanically stable. Desirably, the outer surfaces of the shells are adapted to allow for bony ingrowth, which further stabilizes the shells in place. The inner surfaces of the shells are relatively smooth, and adapted to slide easily across a portion of the outer surface of a central body disposed between the shells. The central body has a shape that cooperates with the shape of the inner surface of the shell so as to provide a range of motion similar to that provided by a healthy joint. A flexible sheath extends between edges of the opposing shells. The inner surface of this sheath, together with the inner surfaces of the rigid shells, defines a cavity encasing the central body. At least a portion of this cavity is filled with a fluid lubricant, further decreasing the frictional force between inner surfaces of the shell and the surface of the central body. | 03-18-2010 |
20100076559 | Composite telescoping anterior interbody spinal implant - A composite telescoping interbody spinal implant and method of using the implant. The implant includes a cage formed of metal, a metal alloy, or both. The cage is able to change size following manufacture, and has a top plate with a plurality of posts and a bottom plate with a corresponding plurality of columns. The posts telescopically engage the columns upon assembly of the top plate with the bottom plate. The posts extend partially outside the columns when the top plate is in a raised first position with respect to the bottom plate; the posts and columns are fully engaged when the top plate is in a second position closest to the bottom plate. The implant also includes a non-metallic body inserted between the top plate and the bottom plate and defining the adjustable height of the implant. | 03-25-2010 |
20100076560 | Interspinous Stabilization Device - An interspinous stabilization device includes: (1) a supporting member with a top surface and a bottom surface both being configured to engage spinous processes; (2) two side members connected to the supporting member; (3) a fastener attached to the side members; and optionally (4) two extendable arms each secured on one of the side members. | 03-25-2010 |
20100082110 | INTERVERTEBRAL DISC PROSTHESIS - The invention relates to an intervertebral disk prosthesis including a lower element consisting of a lower prosthetic plate and an insert defining a convex spherical cap-shaped surface and adapted to be fitted in the prosthetic plate. The prosthetic plate includes a housing having a bottom and a peripheral rim interrupted by an opening for inserting the insert, the insert having a base adapted to be placed in the housing. The insert and the prosthetic plate include a first fastening means for fastening together in a direction OZ perpendicular to the bottom of the housing the plate and the insertion end of the insert, and a second fastening means including a non-immobile fastening member disposed in the insertion opening and adapted to cooperate with a complementary member of the insert to fasten together in the direction OZ the second end of the insert and the plate. | 04-01-2010 |
20100087925 | SPINAL INTERBODY SPACER - A spinal spacer for engagement between vertebrae includes a body extending between a substantially contoured first end surface and a second end surface to define side surfaces and opposing top and bottom vertebral engaging surfaces substantially symmetrical about a centerline axis. At least one opening defines a hollow inner body and includes first and second intersecting openings extending through the top and bottom vertebral engaging surfaces. The second intersecting opening extends through the side surfaces. The second end surface includes at least one aperture formed therethrough in communication with the hollow inner body. A screw opening is defined through at least one plate insert configured to be removably coupled to the second end surface to substantially align the screw opening with the at least one aperture. The bone screw is configured to be threadingly secured within the at least one plate insert. | 04-08-2010 |
20100087926 | Repair System for Spinal Disc Herniation - A repair system for a compromised or herniated spine disc is provided. The repair system includes a spine disc patch to cover the herniation, and hooks, fasteners or the like to attach the spine disc patch to the vertebra surrounding the compromised disc. The repair system also includes an application tool to introduce and deploy the spine disc patch and spine disc patch fasteners to and on the disc herniation site. The spine disc patch is composed of a mesh, screen or the like of a biocompatible material with a perimeter, edge or side portion formed of a resilient biocompatible material. The mesh is preferably, but not necessarily, formed of a flexible but non-resilient biocompatible material. The perimeter is preferably, but not necessarily, formed of a flexible, resilient biocompatible material. In this manner, the spine disc patch may fold, bend, crumple or otherwise be deformed for introduction to the disc herniation site within an application tool, then unfold, expand, spread out, unfurl or otherwise open up at and over the disc herniation site when released from the application tool. The application tool consists of an elongate tube connected to a fixed portion of a handle with a rod, disposed for axial movement within the elongate tube. The rod is connected to a pivoting portion of the handle such that the rod axially moves within the elongate tube when the pivoting portion of the handle is moved. | 04-08-2010 |
20100094422 | Intervertebral Spacer - Disclosed is an assembly and method for implant installation between adjacent vertebral bodies of a patient. The implant has a support body and a rotatable insert therein and the support body is curved for installation between adjacent vertebral bodies transforaminally. An installation instrument is also disclosed for removable attachment to implant and engagement with the rotatable insert to selectively permit rotation between the insert and the support body. The installation instrument extends along a longitudinal tool axis and when the installation instrument is in a first position the insert is rotationally fixed with respect to the support body and when the installation instrument is in a second position the support body may rotate with respect to the insert. | 04-15-2010 |
20100094423 | SYSTEMS AND METHODS FOR ASSESSMENT OF TENSION IN AN IMPLANT - Systems and methods for providing assessment of a tensioned state of a flexible implant are provided. The implant includes at least one marker having a first configuration when the implant is relaxed or not tensioned in a desired manner and a second configuration when the implant is tensioned as desired. | 04-15-2010 |
20100094424 | ADJUSTABLE INTERVERTEBRAL IMPLANT - An expandable intervertebral implant ( | 04-15-2010 |
20100094425 | METHOD AND APPARATUS FOR THE TREATMENT OF THE INTERVERTEBRAL DISC ANNULUS - This disclosure presents methods and devices for treating a tear, rent, incision, defect, aperture or delamination of the annulus fibrosus of an intervertebral disc. The methods and devices can employ fixation delivery apparatuses, fixation apparatuses, patch delivery tools and patches positioned, at least in part, in or on aspects of an intervertebral disc for treatment of the intervertebral disc or its components. In some aspects, these techniques include the use of this includes a fixation apparatus that includes at least one bone anchor connected to at least one disc anchor by a shortenable elongate member. | 04-15-2010 |
20100094426 | HYBRID INTERVERTEBRAL SPINAL IMPLANT - A spinal implant of hybrid construction. The implant includes both porous and radiolucent elements. In this manner, the implant allows for substantial fusing of vertebrae while simultaneously allowing for useful follow-on evaluations through imaging. Furthermore, in spite of the potentially differing material character of the porous and radiolucent elements, they may nevertheless be coupled together in an interlocking configuration such that the implant exhibits the behavior of a single unitary device. | 04-15-2010 |
20100094427 | Movable Intervertebral Disc Prosthesis - A movable intervertebral disc prosthesis having a pivot point and adapted to be implanted between vertebra bodies to form a vertebrae segment. In an implanted state three-dimensional movement axes of the vertebrae segment intersect in the pivot point. The configuration of the prosthesis is such that a deliberate displacement or shifting of the pivot point can be carried out prior to, during and/or after the implantation. | 04-15-2010 |
20100100185 | Intervertebral Disc Prosthesis Having Viscoelastic Properties - A motion-preserving implant device for insertion between two bones is disclosed. The motion-preserving implant includes a first plate member for engaging with a first bone and a second plate member for engaging with a second bone. A viscoelastic component is positioned between the two plate members that is configured to constrain and dampen the relative motion between the two plate members. | 04-22-2010 |
20100100186 | INSTRUMENTATION AND METHODS FOR USE IN IMPLANTING A CERVICAL DISC REPLACEMENT DEVICE - Instrumentation for implanting an intervertebral disc replacement device includes a retaining device comprising a threaded attachment member for threaded engagement with the at least one mounting screw hole in the flange of the intervertebral disc replacement device, and a head flange extending from the threaded attachment member, wherein a portion of the head flange is in part abuttingly received against a side of the flange of the intervertebral disc replacement device and another portion of the head flange is partially received over a portion of the bone screw to prevent the bone screw from backing out of the at least one bone screw hole when the retaining device is fully engaged with the intervertebral disc replacement device. The invention also comprises a method of preventing a bone screw from backing out of a bone screw hole in an intervertebral disc replacement device, comprising the steps of inserting a retaining device into a mounting hole in the intervertebral disc replacement device and tightening the retaining device in the mounting hole such that a portion of a head flange of the retaining device becomes flatter against a portion of the intervertebral disc replacement device and another portion of the head flange of the retaining device abuts against a portion of the bone screw. | 04-22-2010 |
20100100187 | SHOCK-ABSORBING INTERVERTEBRAL IMPLANT - The invention relates to an intervertebral implant comprising a spacer designed to be applied between two spinous processes of two vertebrae. The spacer comprises: two elements ( | 04-22-2010 |
20100106251 | IMPLANT FOR USE BETWEEN SPIRAL VERTEBRAE - The invention relates to an implant for use between the vertebrae ( | 04-29-2010 |
20100106252 | SPINAL IMPLANTS HAVING MULTIPLE MOVABLE MEMBERS - An apparatus includes a spinal implant configured to be disposed within an interspinous process space between a first spinous process of a spinal column and a second spinous process of the spinal column. The spinal implant includes a plurality of elongate spacers. A first elongate spacer from the plurality of elongate spacers is configured to slidably contact at least a second elongate spacer from the plurality of elongate spacers. The spinal implant includes an elastic member configured to allow movement of each elongate spacer from the plurality of elongate spacers relative to the remaining elongate spacers from the plurality of elongate spacers within a predetermined range of motion. | 04-29-2010 |
20100114320 | SURGICAL SPACER WITH SHAPE CONTROL - A surgical spacer comprising first and second hollow support members, a flexible container, and a compressible material disposed in the container is disclosed. The first and second support members each have an exterior and an interior cavity. The exteriors of the first and second support members are affixed together and the interior cavities of the first and second support members are connected via a connecting opening. The container is disposed in the interior cavities and extends through the connecting opening. In addition, the container is substantially impermeable to the compressible material. The first and second support members are more rigid than the flexible container. A combination of the first and second support members controls the shape of the flexible container, with the compressible material disposed therein, in response to a compressive load applied to an exterior of the spacer. | 05-06-2010 |
20100121454 | METHOD OF IMPLANTING INTERVERTEBRAL DISK PROSTHESIS - Embodiments disclosed herein provide a method of implanting an intervertebral disk prosthesis that can be assembled and disassembled in a minimally invasive fashion. The prosthesis comprises a first fixing element having an anchoring first face and a co-operation second face; a second fixing element having an anchoring first face and a co-operation second face; a first prosthesis element having an active first face and a co-operation second face, the co-operation faces of the first fixing element and the first prosthesis element serving to fasten the two elements together; a second prosthesis element having an active first face and a co-operation second face, the co-operation faces of the second fixing element and the second prosthesis element serving to fasten the two elements together; and each of the active faces of the prosthesis elements defining at least a portion of a spherical cap that is respectively concave or convex. | 05-13-2010 |
20100121455 | SOFT TISSUE IMPACTION METHODS - Methods of providing soft tissue impaction using anchored implants are disclosed. In some embodiments, the soft tissue impaction provided by the anchored implants can facilitate intervertebral disc reconstruction. A method of soft tissue impaction includes displacing soft tissue from within a defective region of an anulus into a nuclear disc space of an intervertebral disc as it is driven within an outer surface of an adjacent vertebral body. | 05-13-2010 |
20100121456 | POSTERIOR VERTEBRAL SUPPORT ASSEMBLY - The invention concerns an assembly ( | 05-13-2010 |
20100125332 | Self-retaining artificial spinal disc, and associated methods - A self-retaining artificial spinal disc is formed of a flexible material and has a peripheral lip or meniscus extending from its top and/or bottom surface. The meniscus/menisci encircle portions of vertebrae adjacent the implant site, to enhance retention of the artificial spinal disc when seated in the spinal column. The meniscus/menisci for example snugly overlie the vertebral portions, and foster a suction seal between the disc and the adjacent vertebrae. The disc may be formed as an integral whole, or as two half-discs joinable by gluing, melting or like methods. In a related method, a self-retaining artificial spinal disc is formed in layers, by pouring and drying measures of liquid disc solution in a mold. A meniscal extension is formed from the disc body. Drugs or salts may be added to the disc layers, for example to provide an artificial spinal disc with time-release antibiotics or a desired porosity. | 05-20-2010 |
20100125333 | Methods and instruments for interbody fusion - A laparoscopic surgical technique is provided for preparing a site for implantation of a novel fusion device or implant. In accordance with one embodiment of the technique, a laparoscope is provided having an outer sleeve with distraction fingers at one end to distract the disc space. The laparoscope provides a sealed working channel to the disc space, through which the disc space is distracted, the vertebral endplates and surrounding disc is reamed, and the fusion device inserted. A distraction plug is provided for centering the outer sleeve and for providing midline distraction of the disc space. In one embodiment, a fusion device includes diverging bone screws passing through an end wall and upper and lower walls of the device to engage the adjacent vertebrae. In another embodiment, a connector plate is engaged to bilaterally position fusion devices to prevent rotation and resist expulsion of the devices from the disc space. | 05-20-2010 |
20100125334 | SPINAL FUSION DEVICE - A spinal fusion device is disclosed. The spinal fusion device includes a first endplate configured for fitting within a disc space and engaging with a first vertebra and a second endplate configured for fitting within the disc space and engaging with a second vertebra. The two endplates are separated by a single spacer that is positioned between the first endplate and the second endplate and maintains a pre-determined distance between the first endplate and the second endplate. The spacer contains an anterior end, a posterior end, a first lateral side, a second lateral side opposite to the first lateral side, a first surface that engages with the first endplate, a second surface that engages with the second endplate. Also disclosed are methods and instruments for implanting the spinal fusion device. | 05-20-2010 |
20100131067 | ORTHOPEDIC IMPLANT WITH SENSOR COMMUNICATIONS ANTENNA AND ASSOCIATED DIAGNOSTICS MEASURING, MONITORING, AND RESPONSE SYSTEM - A diagnostic system is provided that occupies a small area, provides sensing and transmitting of various diagnostic indicia, and with the aid of a healthcare professional, diagnoses and responds to such measurements. In the context of the spine, the diagnostic system comprises a spinal implant situated between two adjacent vertebrae, an antenna for sending and/or receiving signals to and/or from a remote location, a sensor for measuring at least one diagnostic condition, an activating element that has the ability to affect the at least one diagnostic condition, a power source to provide power to the diagnostic system, and a network that electrically connects the antenna, sensor, activating element and battery source. | 05-27-2010 |
20100137988 | Compliant Interbody Fusion Device With Deployable Bone Anchors - An interbody fusion implant with deployable bone anchors includes a support member, a monolithic body that accommodates the support member, and a longitudinal hole along a vertical length of the support member. The support member includes a first end and a second end. The second end includes two flanges. The flanges are configured to dig into an endplate of a vertebral body. The flanges of the support member provide a location fixation on an implantation of the interbody fusion implant into the vertebral body. The support member may also include at least one of a clip shaped support member and an I-shaped support member. The I-shaped support member may allow a rigidity and a support in flexion-extension through a living-hinge positioned in a middle of the I-shaped support member. The longitudinal hole sustains loads imported on the interbody fusion implant and allows the interbody fusion implant to flex freely. | 06-03-2010 |
20100137989 | INTERVERTEBRAL IMPLANT WITH FIXATION MECHANISM - The present application is directed to implants for positioned between vertebral members. The implant may include a superior surface to contact against a first vertebral member, and an inferior surface to contact against a second vertebral member. The implant includes a fixation mechanism that is operable to extend a portion of the fixation mechanism into the vertebral members immediately above and below the implanted implant to affix the implant within the vertebral space between such vertebral members. The implant is substantially open in the superior and inferior directions to allow for the introduction of bone growth material within the interior of the implant to help promote fusion between the vertebral members. | 06-03-2010 |
20100137990 | Porous Substrates for Implantation - A porous substrate or implant for implantation into a human or animal body constructed from a structural material and having one or more regions which when implanted are subjected to a relatively lower mechanical loading. The region(s) are constructed with lesser mechanical strength by having a lesser amount of structural material in said region(s) relative to other regions. This is achieved by controlling pore volume fraction in the regions. A spacer is adapted to define an open-cell pore network by taking a model of the required porous structure, and creating the spacer to represent the required porous structure using three-dimensional modelling. Material to form the substrate about the spacer in infiltrated the scaffold structure formed. | 06-03-2010 |
20100137991 | PROSTHETIC NUCLEUS WITH A PREFORMED MEMBRANE - Multi-membrane prosthetic nucleus and implants using same are disclosed having an outermost membrane that is semi-compliant and limits the innermost membrane and any intermediate membranes that are highly compliant from bulging out of any opening in the annulus fibrosus. The outermost membrane may help protect the innermost membrane from trauma including any trauma before the innermost membrane is expanded through the injection of prosthetic nucleus material and trauma during the expansion of the innermost membrane in response to the injection of prosthetic nucleus material. Also disclosed is a coated membrane which combines the mechanical properties of the foundation layer with the low permeability to the passage of the flowable prosthetic material of the coating. This coated membrane is semi-compliant and prevents the prosthetic nucleus from bulging out of any openings in the annulus fibrosus. Use is made of injected prosthetic nucleus material that changes to a non-flowable state. | 06-03-2010 |
20100137992 | Physologically Movable Intervertebral Disc Prosthesis for the Lumbar and Cervical Spine - Disclosed is an intervertebral disc prosthesis for the total replacement of a natural intervertebral disc within the lumbar and cervical spine, comprising of articulating sliding partners. The upper sliding partner has means for a firm assembly to an upper vertebral body and the lower sliding partner has means for a firm assembly to a lower vertebral body. At least one sliding surface is between two sliding partners. Two- and three-part functional designs are planned and both having in common, that, as a result of the shape of the articulating surface(s), the laterolateral and dorsoventral motion amplitudes differ. The resulting angles including the rotation around a fictitious vertical axis can be defined to a desired extent. | 06-03-2010 |
20100145455 | Lockable spinal implant - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. Angular deformities can also be corrected, and natural curvatures restored. Preferably, the implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system preferably having a plurality of locking elements to lock the implant in an extended configuration. | 06-10-2010 |
20100145456 | Lockable spinal implant - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. Angular deformities can also be corrected, and natural curvatures restored. Preferably, the implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system preferably having a plurality of locking elements to lock the implant in an extended configuration. | 06-10-2010 |
20100145457 | METHOD AND SYSTEM FOR MAMMALIAN JOINT RESURFACING - A method and system for the creation or modification of the wear surface of orthopedic joints, involving the preparation and use of one or more partially or fully preformed and procured components, adapted for insertion and placement into the body and at the joint site. In a preferred embodiment, component(s) can be partially cured and generally formed ex vivo and further and further formed in vivo at the joint site to enhance conformance and improve long term performance. In another embodiment, a preformed balloon or composite material can be inserted into the joint site and filled with a flowable biomaterial in situ to conform to the joint site. In yet another embodiment, the preformed component(s) can be fully cured and formed ex vivo and optionally further fitted and secured at the joint site. Preformed components can be sufficiently pliant to permit insertion through a minimally invasive portal, yet resilient enough to substantially assume, or tend towards, the desired form in vivo with additional forming there as needed. | 06-10-2010 |
20100145458 | APPARATUS AND METHOD FOR ANTERIOR INTERVERTEBRAL SPINAL FIXATION AND FUSION - A fixation device, the device includes a housing with a leading deep surface, a trailing outer surface, weight bearing sides, and top and bottom surfaces, a shaft running from the leading deep surface to the trailing outer surface of the housing, and a plurality of blades preloaded onto the shaft in the housing, at least one first blade having at least one cutting extension in a first orientation about the axis of the shaft and at least one second blade having at least one cutting extension in a second orientation about the axis of the shaft that is opposite to the first orientation, each cutting extension having a sharp leading edge,-wherein upon clockwise or counterclockwise rotation of each blade of the plurality of blades about the axis of the shaft in a direction in which the at least one cutting extension of each blade is oriented, the at least one cutting extension of each blade will break an endplate of a vertebra, hook into the vertebra and rigidly secure the vertebra to the device to prevent separation of the vertebra from the device during spinal motion. | 06-10-2010 |
20100145459 | ZERO-PROFILE INTERBODY SPACER AND COUPLED PLATE ASSEMBLY - An implant for insertion into a disc space between vertebrae, wherein the implant includes a spacer portion, a plate portion coupled to the spacer portion, two bone fixation elements for engaging the vertebrae and a retention mechanism for preventing the bone fixation elements from postoperatively backing-out of the plate portion. The retention mechanism may be in the form of a spring biased snapper element that is biased into communication with the bone fixation elements so that once the bone fixation element advances past the snapper element, the snapper element is biased back to its initial position in which the snapper element interfaces with the bone fixation elements. Alternatively, the retention mechanism may be in the form of a propeller rotatable between a first position in which the bone fixation elements are insertable to a second position where the bone fixation elements are prevented from backing-out. | 06-10-2010 |
20100145460 | ZERO-PROFILE INTERBODY SPACER AND COUPLED PLATE ASSEMBLY - An implant for insertion into the disc space between vertebrae. The implant including a spacer portion, a plate portion coupled to the spacer portion, a plurality of bone fixation elements for engaging the vertebrae and a retention mechanism for preventing the bone fixation elements from postoperatively uncoupling from the implant. | 06-10-2010 |
20100145461 | INSTRUMENTATION AND PROCEDURE FOR IMPLANTING SPINAL IMPLANT DEVICES - An instrumentation set may include insertion instruments for forming an implant between bone structures. The insertion instruments may include a spreader and a separator. The bone structures may be vertebrae. Implant members may be attached to the spreader and positioned between the bone structures. The separator may be inserted into the spreader to establish a desired separation distance between the implant members. Connectors may be inserted into the implant members to join the implant members together and form the implant. The insertion instruments may be removed. A seater may be used to set the position of the connectors relative to the implant members to inhibit disassembly of the implant. | 06-10-2010 |
20100145462 | PREFORMED MEMBRANES FOR USE IN INTERVERTEBRAL DISC SPACES - Spinal motion preservation assemblies adapted for use in a spinal motion segment are disclosed including the process for delivering and assembling the spinal motion preservation assemblies in the spinal motion segment via an axial channel created with a trans-sacral approach. The disclosed mobility preservation assemblies provide for dynamic stabilization of the spinal motion segment. Preformed membranes are disclosed for use within an intervertebral disc space. The preformed membrane may include an approximation of the final shape of a filled membrane to limit or eliminate the need for the membrane to stretch during filling. Other variations and implementations of the teachings are disclosed, including the sheathed delivery of membranes in order to protect the membranes before and during deployment. | 06-10-2010 |
20100145463 | Nested interbody spinal fusion implants - Tapered root threaded hollow perforated interbody spinal fusion implants are disclosed for placement into a disc space in a human spine between adjacent vertebral bodies. The implants have opposite arcuate portions with lockable screws passing therethrough for engaging each of the adjacent vertebral bodies. The implants are adapted for use in side-by-side pairs such that a portion of the circumference of a first implant nests within the circumference of a second implant, so as to have a reduced combined width. | 06-10-2010 |
20100152856 | FULL-METAL DAMPENING INTERVERTEBRAL IMPLANT - A flexible element that may be configured, among various uses, as an intervertebral implant for insertion into an intervertebral disc space between adjacent vertebral bodies or between two bone portions. The flexible element includes one or more struts extending from superior and inferior endplates and bending towards one another for connection with one or more internal beams. | 06-17-2010 |
20100152857 | Asymmetric Disc Distracting Cage - An inter-vertebral cage with a wedge shape eccentrically located on the leading end of the cage. The ectopically shaped leading edge of this embodiment facilitates easier interbody spacer placement with less risk of nerve injury, as well as with likely decreased risk of destruction of the end plate during the distraction process when the interbody cage is impacted. | 06-17-2010 |
20100161057 | Interbody Vertebral Prosthetic Device With Self-Deploying Screws - An intervertebral prosthesis includes: a body including first and second spaced apart major surfaces and at least anterior and posterior sidewalls extending therebetween, the first major surface for engaging an endplate of a first vertebral bone of a spine, and the second major surface for engaging an endplate of an adjacent, second vertebral bone of the spine, and the first and second major surfaces defining a longitudinal axis extending substantially normal to said surfaces; a first aperture extending from within the body, transversely with respect to the longitudinal axis, and opening at the first major surface; a first anchoring element disposed within the first aperture and including a threaded shaft having proximal and distal ends; and a first gear disposed adjacent to and in meshed, threaded communication with the threaded shaft of the first anchoring element such that rotation of the first gear causes rotation of the first anchoring element, wherein a driving rotational force on the first gear causes the first anchoring element to rotate, deploy from the body, and thread into the first vertebral bone in a direction transverse to the longitudinal axis of the body and the spine. | 06-24-2010 |
20100161058 | Multiple-State Geometry Artificial Disc With Compliant Insert and Method - A multiple-state geometry artificial disc assembly attached to vertebrae includes a compliant load bearing spacer element having an upper curved portion and a lower curved portion, a first plate coupled on the upper curved portion of the compliant load bearing spacer element and a second plate coupled on the lower curved portion of the compliant load bearing spacer element. The first plate and the second plate preferably are of a flexible material. The first plate and the second plate transitions from a convex configuration to a concave configuration in-situ in a vertebral disc space. The upper curved portion and the lower curved portion of the compliant load bearing spacer element may include a plurality of openings. The compliant load bearing spacer element may further include a middle cylindrical portion dimensioned and configured to match a gap between the first plate and the second plate. | 06-24-2010 |
20100161059 | INTERVERTEBRAL IMPLANT FOR THE HUMAN OR ANIMAL BODY - This intervertebral implant ( | 06-24-2010 |
20100161060 | Tissue Removal Tools And Methods Of Use - Discectomy or disc preparation system that includes a guide member that is changeable from a deployment configuration for insertion into an intervertebral disc space to a deployed configuration upon being deployed into the intervertebral disc. The system also includes at least one tissue manipulator, such as cutting, scraping and extraction elements, that can be moved or tracked longitudinally along the guide member into and through the intervertebral disc space. | 06-24-2010 |
20100161061 | TRUSS IMPLANT - In various embodiments, an implant for interfacing with a bone structure includes a web structure including a space truss. The space truss includes two or more planar truss units having a plurality of struts joined at nodes and the web structure is configured to interface with human bone tissue. In some embodiments, a method is provided that includes accessing an intersomatic space and inserting an implant into the intersomatic space. The implant includes a web structure including a space truss. The space truss includes two or more planar truss units having a plurality of struts joined at nodes and the web structure is configured to interface with human bone tissue. | 06-24-2010 |
20100161062 | Expandable intervertebral spacers - Laterally expanding vertebral spacer devices are provided for repairing damaged vertebral discs. The vertebral spacer devices maintain the height of a distracted vertebral disc space while providing stability to the spine. In one form of the invention, a vertebral spacer device is provided with a first arm movably coupled to a second arm. The first and second arms are laterally expandable from a first width for insertion into the disc space to a second width after insertion into the disc space. The first and second arms also define a cavity therebetween for placement of bone growth material. | 06-24-2010 |
20100168861 | Method, System and Apparatus for Interbody Fusion - Methods, systems and apparatus are provided for interbody fusion. In some embodiments, a device is provided for fusing vertebral bodies. The device includes a shell configured to be disposed between a first body and a second body, an injection opening to receive fusing material, and a delivery hole configured to enable fusing material to flow into at least one of the first body and the second body. | 07-01-2010 |
20100168862 | Expandable Intervertebral Spacers and Methods of Use - An intervertebral spacer is inserted between vertebral members in a compact configuration and expanded post-insertion to contact the adjacent vertebral members. The intervertebral spacer comprises a first member and a second member movable with respect to the first member between retracted and extended positions. | 07-01-2010 |
20100168863 | SPINAL DISC PROSTHESIS SYSTEM - A disc prosthesis is provided. The disc prosthesis includes a concave surface attached to a first base and a convex surface attached to a second base. The concave surface and the convex surface together form a rotating joint, and at least one of the concave and convex surfaces is attached to its base through at least one flexible support capable of flexing to provide shock absorption when the artificial disc prosthesis is disposed between two vertebra. | 07-01-2010 |
20100174374 | DYNAMIC SPINAL IMPLANTS INCORPORATING CARTILAGE BEARING GRAFT MATERIAL - A dynamic spinal implant utilizes cartilage bearing graft material in dynamic disc replacement and/or facet arthroplasty. Methods and apparatus for dynamic spinal implants incorporate bulk articular graft tissues derived from donor joint sources in human (allograft or autograft) or non-human (xenograft) tissue. The donor joint is preferably prepared as a biological dynamic spinal implant with articular cartilage as a bearing interface between adjacent bone surfaces that naturally articulate with respect to one another. | 07-08-2010 |
20100174375 | Spinal Tissue Distraction Devices - Spinal tissue distraction devices that include at least one guide member for guiding a distraction device to a location between layers of spinal tissue. The guide member has a proximal end portion and a distal end portion. The distal end portion is adapted for insertion between the tissue layers and defines a shape of a desired support structure. The distraction device is slidably mounted on the guide member for advancing the distraction device distally along the guide member for insertion of the distraction device between the tissue layers. The distraction device substantially conforms to the shape defined by the distal end portion of the guide member to form a support structure that separates, supports or both separates and supports the tissue layers. | 07-08-2010 |
20100179659 | CELL-NANOFIBER COMPOSITE AND CELL-NANOFIBER-HYDROGEL COMPOSITE AMALGAM BASED ENGINEERED INTERVERTEBRAL DISC - The instant invention is directed to a tissue engineered intervertebral disc comprising at least one inner layer and an exterior layer, wherein: the exterior layer comprises a nanofibrous polymer support comprising one or more polymer nanofibers; the at least one inner layer comprises a hydrogel composition comprising at least one or more hydrogel materials and/or one or more polymer nanofibers; and a plurality of cells which are dispersed throughout the tissue engineered intervertebral disc. Additionally, the instant invention is directed to methods of making such intervertebral discs and methods of treating intervertebral disc damage. | 07-15-2010 |
20100179660 | Intervertebral implant and handling instrument for this intervertebral implant - In an intervertebral implant having an abutment element for abutment on at least one vertebral body, in order to be able to apply pulling forces to the abutment element without the risk of damage to the abutment element, it is proposed that the abutment element carry at a side edge a pull element which extends along the side wall of the abutment element and is held on the abutment element by pull members extending at the sides of the abutment element in the direction towards the opposite side edge, the pull element being made of a material whose tensile strength is greater than the tensile strength of the material of the abutment element, and that an interspace for receiving a handling instrument engaging the pull element from behind be arranged at least in a section along the pull element between the pull element and the abutment element. A handling instrument for handling such an intervertebral implant is also described. | 07-15-2010 |
20100185290 | FLEXIBLE CHAIN IMPLANTS AND INSTRUMENTATION - A flexible chain implant for insertion into an interior volume of a vertebral body. The implant may be implanted in an insertion position for sliding through a cannula and is flexible for packing into the interior volume in an implanted configuration. The implant randomly separates in the implanted configuration. The implant includes a top member and a bottom member, wherein the top and bottom members are coupled to one another at a coupled portion. The top and bottom members preferably each include an inner surface such that the inner surfaces include a plurality of alternating projections and recesses so that the projections are received within the recesses in an insertion position. Alternatively, the implant may include a plurality of substantially non-flexible bodies and a plurality of substantially flexible links interconnecting the bodies. The non-flexible bodies include a plurality of facets and/or abutment surfaces. | 07-22-2010 |
20100185291 | METHODS AND APPARATUS FOR VERTEBRAL BODY DISTRACTION AND FUSION EMPLOYING FLEXURE MEMBERS - Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ flexure members. Flexure members connect a plurality of structural members to end plates on one end and blocks on another end. Upon insertion into the disc space, a drive screw or similar mechanism can be actuated to drive expansion blocks closer together, which causes flexure members to deflect, resulting in expansion of the structural members and distraction of the end plates. The distracted device can then remain in the body and be used for vertebral body fusion. | 07-22-2010 |
20100185292 | APPARATUS AND METHOD FOR STABILIZING ADJACENT BONE PORTIONS - An apparatus and method for stabilizing first and second adjacent bone portions. The apparatus has a spacer configured to be placed between the first and second bone portions and at least one stabilizer configured to be joined: a) to each of the first bone portion and the spacer; and b) to at least one of the first bone portion and spacer by being translated relative to the at least one of the first bone portion and spacer. | 07-22-2010 |
20100191335 | SPINAL NUCLEUS PROSTHESIS DEVICE - An implantable prosthesis device is disclosed. The prosthesis device comprises one or more compartments bounded by a substantially closed porous envelope made at least in part of non-woven polymer fibers, and a filler structure at least partially filling the compartment(s) and being made, at least in part, of non-woven swellable polymer fibers. | 07-29-2010 |
20100191336 | FIXATION DEVICE AND METHOD - An implantable orthopedic stability device is disclosed. The device can have a contracted and an expanded configuration. A method of using the device between adjacent vertebral surfaces for support and/or fixation of either or both of the adjacent vertebrae is also disclosed. | 07-29-2010 |
20100191337 | INTERBODY DEVICE FOR SPINAL APPLICATIONS - An intervertebral spacer includes a leading end, a trailing end comprising an opening having a clearance and a post positioned across the clearance. The post has an external surface configured to accept an extending portion of an insertion tool and to torsionally engage a complementary surface of the insertion tool at a plurality of different angles. | 07-29-2010 |
20100191338 | Intervertebral Prosthetic Disc - A prosthetic disc for insertion between adjacent vertebrae includes upper and lower plates, a core disposed between the plates, and at least one projection extending from at least one of the upper and lower curved surfaces of the core into at least one recess of one of the inner surfaces of the plates. The recess is oversize with respect to the projection to allow sliding movement of the plate over the core while retaining the core between the plates during such sliding movement. The projection(s) may include a rod extending through an axial hole in the core, multiple surface features of the core, or the like. | 07-29-2010 |
20100204795 | FIXATION DEVICE AND METHOD - An implantable orthopedic stability device is disclosed. The device can have a contracted and an expanded configuration. A method of using the device between adjacent facet surfaces for support and/or fixation of either or both of the adjacent vertebrae is also disclosed. | 08-12-2010 |
20100204796 | INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION - A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine. | 08-12-2010 |
20100204797 | ANULUS LESION REPAIR - Methods for repairing a damaged or weakened intervertebral disc are disclosed. According to one or more embodiments, a method comprises delivering a support member within an intervertebral disc having an anular defect, anchoring an anchor to a vertebral body adjacent the intervertebral disc, connecting the anchor to the support member, and pulling the support member toward the anchor using the connection. | 08-12-2010 |
20100204798 | SYSTEM AND METHOD FOR FUSION CAGE IMPLANTATION - A system and method facilitate insertion of a fusion implant into the intervertebral space of a spine. The fusion implant may have a first bone engaging surface and a second bone engaging surface. An attachment interface on an insertion tool allows the implant to be releasably secured to the insertion tool, so that the insertion tool may be detached from the implant without requiring a threaded coupling. The implant may be positioned in two different orientations with respect to the insertion tool to permit usage of two different techniques to insert the implant into the intervertebral space. A recessed support member in the implant creates gaps between bone facing surfaces and the vertebral bodies such that bone graft material may occupy the gaps. The implant includes embedded radiographic markers which facilitate radiographic detection of the orientation of the implant through the surrounding tissue. | 08-12-2010 |
20100211177 | DEVICES AND METHODS FOR INTER-VERTEBRAL ORTHOPEDIC DEVICE PLACEMENT - Disclosed are methods and devices for implanting an orthopedic device between skeletal segments, such as vertebrae, using limited surgical dissection. The implanted devices are used to adjust and maintain the spatial relationships of adjacent bones. The implanted device can be, for example, an artificial disc, a fusion cage or any other appropriate device for implantation between skeletal segments. | 08-19-2010 |
20100217395 | INTERVERTEBRAL IMPLANT WITH KEEL - An intervertebral implant component of an intervertebral implant includes an outer surface for engaging an adjacent vertebra and an inner surface. A keel extends from the outer surface and is designed to be disposed in a slot provided in the adjacent vertebra. This keel extends in a plane which is non-perpendicular to the outer surface; and preferably there are two of the keels extending from the outer surface which are preferably offset laterally from one another. In another embodiment, an anterior shelf is provided at an anterior end of the outer surface, and this anterior shelf extends vertically away from the inner surface in order to help prevent bone growth from the adjacent vertebra towards the inner surface. Further in accordance with disclosed embodiments, various materials, shapes and forms of construction of the component and/or keel provide various benefits. | 08-26-2010 |
20100217396 | Open intervertebral spacer - Open chambered spacers, implanting tools and methods are provided. The spacers | 08-26-2010 |
20100217397 | INTERVERTEBRAL PROSTHESIS - An intervertebral disk prosthesis, having a rigid top plate, a rigid bottom plate, and an elastically deformable intermediate cushion housed between the two inner surfaces of the plates. The cushion, at rest, possesses a wedge-shape possessing at least one front notch open into the larger end of the wedge and one rear notch open into the narrower end. The faces of the notches co-operate by contact over an area of magnitude that varies as a function of the intensity and/or direction of the load to which the prosthesis is subjected. The bottoms of the notches are spaced apart from each other and situated in the narrower half of the prosthesis. | 08-26-2010 |
20100217398 | Intervertebral Disc Prosthesis - An intervertebral disc prosthesis has two cover plates and a prosthesis core which is connected to one of the cover plates by connection profiles on one of the cover plates which are undercut in a complementary manner and include at least one pair of profile sections which are symmetrical with respect to the AP (anteroposterior) direction of the prosthesis in its implanted position and are arranged at an angle to one another. | 08-26-2010 |
20100222885 | ARTIFICIAL INTERVERTEBRAL DISC - An artificial intervertebral disc for implantation between two adjacent vertebrae includes superior and inferior shells connected in a ball and socket arrangement. The inferior shell preferably incorporating a convex portion that cooperates with a concave portion on the superior shell. A resilient nucleus is provided within an enclosure defined by the opposing inner surfaces of the shells and biases the shells against each other. The ball portion can be provided in either fixed or slidable arrangement. The artificial disc of the invention includes various resistance means for restricting and limiting the range of rotational and translational motion between the shells. | 09-02-2010 |
20100228350 | SPINAL NUCLEUS REPLACEMENT IMPLANTS - An intervertebral prosthesis implantable within a disc space and disposed between upper and lower vertebral endplates is provided. The prosthesis comprises a plurality of prosthesis components insertable into the disc space, wherein the components have at least one set of complementarily-shaped and sized surfaces, and wherein the at least one set of complementarily-shaped surfaces comprises a slot, and a rod that fits in the slot. A method of implanting an intervertebral prosthesis according to the present invention also is provided. | 09-09-2010 |
20100228351 | Transforaminal Prosthetic Spinal Disc Replacement - An intervertebral implant includes a first endplate having a first surface configured to substantially engage with a first vertebral body and a second surface having an extension with a concave contact surface, the concave contact surface being spaced apart from the second surface. The implant further includes a second endplate having a first surface configured to substantially engage with a second vertebral body and a second surface comprising a convex contact surface, and the second endplate having first and second side rails positioned along and above the second surface defining a first and second arcuate slots on opposing sides of the second surface. A plate connecting the first and second endplates is also provided. | 09-09-2010 |
20100234955 | FIBROUS SCAFFOLD FOR USE IN SOFT TISSUE ENGINEERING - The present invention relates to a fibrous scaffold for use as a substrate in soft tissue applications, in particular for preparing annulus fibrosus (AF) tissue. In aspects, the present invention also relates to an engineered biological material comprising AF tissue; constructs comprising one or more engineered biological materials; methods for producing the biological materials and constructs; and methods of using the biological materials and constructs. | 09-16-2010 |
20100234956 | EXPANDING CAGE FOR VERTEBRAL SURGERY - The disclosure relates to an expanding device intended to be implanted between the vertebral end-plates of two adjacent vertebrae, in particular for a stabilisation operation for intervertebral fusion. The inventive device comprises: a cage forming a peripheral part that surrounds a central cavity, said peripheral part being formed by a leading edge and a thicker manipulation edge which are connected by two lateral edges provided with lateral housings; and a retractor received in the lateral housings, which can be moved between an insertion position, in which it is located close to the manipulation edge, and a locking position, in which it is located at the leading edge, increasing the height of same. The invention is characterised in that the retractor is provided with abutment means designed to maintain the retractor in the locking position and to oppose the release of the retractor from the cage. | 09-16-2010 |
20100234957 | ARTIFICAL DISC IMPLANT - An artificial disc implant includes an upper shell, a lower shell, and a spacer therebetween. The spacer preferably has properties similar to that of a natural spinal disc, while the upper and lower shells form a rigid interface between the implant and the adjacent vertebral bodies. The upper and lower shells can be configured to prevent expulsion of the spacer from the disc space. The implant upper and lower shells may further be configured into partially cylindrical shapes for ease of insertion through an insertion tube as presently known for interbody fusion devices. The devices may further be configured for insertion through a double-barreled insertion tube. Methods and instruments for inserting an artificial disc implant are also provided. | 09-16-2010 |
20100234958 | COMBINATION SPACER INSERT AND SUPPORT FOR PROVIDING INTER-CERVICAL VERTEBRAL SUPPORT - A combination spacer insert and support for incorporating into a space defined between succeeding vertebrae. A first insert body is constructed of a composite material exhibiting at least one modulus of elasticity with a substantially cylindrical shape and is inserted within the space, such as established between a pair of previously non-consecutive vertebrae and corresponding to an absent vertebrae. An additional and exterior supported member engages locations associated with the (formerly) non-consecutive vertebrae and which, in combination with the insert body, provides a limited degree of mobility to the vertebrae. | 09-16-2010 |
20100241232 | SPINAL IMPLANT - A spinal implant comprises a first rolling-contact core operably coupled to a first vertebra, said first rolling-contact core having a first convex surface having a first axis, said first convex surface configured to provide a first rolling motion in a first direction to said first vertebra relative to a second vertebra. At least one flexure is connected to said first rolling-contact core, said flexure configured to constrain said first rolling motion. | 09-23-2010 |
20100241233 | SPACERLESS ARTIFICIAL DISC REPLACEMENTS - Spacerless artificial disc replacements (ADR) are disclosed. One preferred embodiment includes two saddle-shaped components to facilitate more normal spinal flexion, extension, and lateral bending while limit axial rotation, thereby protecting the facet joints and the annulus fibrosus (AF). Either or both of the superior and inferior components are made of a hard material such as chrome cobalt, titanium, or a ceramic including alumina, zirconia, or calcium phosphate. The articulating surfaces of the ADR are also preferably highly polished to reduce friction between the components. Metals, alloys or other materials with shape-memory characteristics may also prove beneficial. | 09-23-2010 |
20100249934 | Ratcheting Expandable Corpectomy/Vertebrectomy Cage - Expandable medical implants for supporting bone structures may include a first member and a second member. The second member may be configured to receive the first member and may be moveable along the longitudinal axis relative to the first member. One of the first and second members may include a plurality of teeth and the other of the first and second members may include at least one tooth. At least a portion of one of the first and second main bodies may be elastically deformable to selectively engage and disengage the at least one tooth and the plurality of teeth. At least one tooth and the plurality of teeth may be shaped to deform the elastically deformable portion when both increasing and when decreasing the overall implant height by moving the second member relative to the first member along the longitudinal axis. | 09-30-2010 |
20100249935 | Zero Profile Spinal Fusion Cage - An interbody fusion cage having upper and lower canals for receiving the heads of bone screws that have been pre-installed in opposing vertebral body endplates. The proximal wall of the cage preferably has a vertical slot that communicates with each canal and is adapted to allow access by a screwdriver and tightening of the screws. | 09-30-2010 |
20100249936 | Intervertebral Disk Prosthesis - A method of limiting the movability of an intervertebral disk prosthesis with regard to pivoting movements, and an intervertebral disk prosthesis. The method includes the step of asymmetrically limiting at least one of a flexion-extension movement, a lateral bending, and a rotation about a vertical axis in order to limit the movability of the prosthesis. The prosthesis comprises articulated prosthesis components, and movement-limitation measures configured to limit movability of the components with respect to flexion-extension movement, lateral bending and a rotation about a vertical axis of the prosthesis in a defined manner. | 09-30-2010 |
20100249937 | FLANGED INTERBODY FUSION DEVICE - Methods and devices are disclosed for treating the vertebral column. An implant for treating the spine is provided comprising at least two articulations between the spacer and the bone facing surface of the fixation plate. Another implant for treating the spine is also provided, comprising two or more fixation plates attached to a spacer with two or more articulations, wherein the fixation plates are independently movable. | 09-30-2010 |
20100262244 | Metal Coated Implant - A metal coated implant and a method for using the implant for expanding an intervertebral disc space is provided. The implant comprises a polymer substrate and a metallic coating layer wherein the metallic coating layer is attached to the polymer substrate. There metal coated implant further comprising a biocompatible radiolucent polyetheretherketone (PEEK) material, and a metallic coating layer that is a titanium (Ti) or gold (Au) material. The metal coated implant's radiolucent and radiopaque properties enhance a surgeon's ability to distinctly visualize the metal coated implant to thereby better control and maneuver the delivery, insertion, trajectory, position and orientation of the metal coated implant through the patient anatomical environment and into the vertebral disc space. | 10-14-2010 |
20100262245 | Intervertebral spacer - Disclosed is a delivery system for an intervertebral spacer and a bone grafting material in the form of a unitary device which comprises a spacer disengagingly attached to a hollow handle. The handle comprises a chamber and bone grafting material-advancing means within the chamber for introducing the bone grafting material from the chamber into and around the spacer and the intervertebral spaces. The handle is disengageable from the spacer after serving its purpose of facilitating placement of the spacer and the discharge of the bone grafting material into the spacer and the intervertebral space. | 10-14-2010 |
20100262246 | EXPANDABLE CAGE FOR VERTEBRAL SURGERY INVOLVING LUMBAR INTERSOMATIC FUSION BY A TRANSFORAMINAL POSTERIOR APPROACH - An implant of the intersomatic cage type, for fusion of vertebral bodies by a transforaminal approach, is disclosed that comprises a body with a curved profile that is designed to be implanted between the vertebral plates of two adjacent vertebrae. According to the invention, said body of curved profile comprises a posterior maneuvering part and an anterior attack part, said anterior attack part being composed of a lower tongue and of an upper tongue that are designed to receive between them a spacer element that can slide between a position of introduction, in which it is situated near said posterior maneuvering part, and a spacing position, in which it is situated near the end of said anterior attack part, thus increasing the thickness of the latter by spreading the tongues apart, said spacer element comprising a receiving seat that is open at the top and bottom. | 10-14-2010 |
20100262247 | SPINAL IMPLANT HAVING A POST-OPERATIVE ADJUSTABLE DIMENSION - A spinal implant ( | 10-14-2010 |
20100262248 | INTERVERTEBRAL IMPLANT TO IMMOBILIZE ONE VERTEBRA RELATIVE TO ANOTHER - This implant includes two elongated elements ( | 10-14-2010 |
20100262249 | Spinal system and method including lateral approach - Embodiments of the invention include devices and methods for implanting a vertebral body spacer. A lateral surgical approach is contemplated with some disclosed procedures. Instruments of some embodiments are insertable into a disc space to achieve distraction, to determine a desired disc space height, and to select a corresponding implant. | 10-14-2010 |
20100268343 | VERTEBRAL ENDPLATE CONNECTION IMPLANT AND METHOD - Embodiments of the invention include implants and methods for connecting devices to bones, such as one or more endplates of vertebrae. Devices may include mechanisms for connecting to one or more vertebrae by extending portions of the devices through an aperture in a vertebral implant and expanding the implant within the one or more vertebrae. A fill material may be used to drive the expansion in some embodiments. | 10-21-2010 |
20100268344 | Posterior Spinal Device and Method - An intervertebral joint assembly includes an upper support and a lower support, each of which has two or more components. The upper and lower support components are arranged in situ to form the upper and lower supports, respectively. By arranging the supports in situ, the supports can be introduced from the back of the patient, for example with an arthroscope. Each of the upper and lower supports has a surface adapted to engage a vertebra and a surface adapted to engage the other support or an intermediate member to form an articulate joint which articulates the joint assembly. In some embodiments, the components of the upper and lower supports are assembled in situ, for example with pivoting, telescoping or bending, to form the upper and lower supports, respectively. The supports can be attached to vertebrae with pedicles screws, and/or other anchors attached to the supports. | 10-21-2010 |
20100268345 | INTERVERTEBRAL SPACER DEVICE - An intervertebral spacer device may include first and second plates, each having inner and outer surfaces thereof, the plates may be disposed in a spaced apart relationship such that the inner surfaces face toward one another, and the outer surfaces face away from one another, the first plate including a retaining wall extending outwardly from the inner surface of the first plate; and a belleville washer, having narrow and wide ends thereof, may be disposed with said wide end contacting said inner surface of said first plate within said retaining wall, such that a compressive load applied to the outer surfaces of said plates is counteracted by said belleville washer, said belleville washer including a plurality of radially spaced concentric groove; wherein each concentric groove of the plurality of radially spaced concentric grooves in the belleville washer may have a respective length, a respective depth along the respective length, and a respective width along the respective length, at least one of the respective depth and the respective width may be uniform along the respective length; wherein each of the plurality of radially spaced concentric grooves in the belleville washer may be at a respective distance from an outer edge of the belleville washer, wherein the depths may differ with respect to one another depending on the distances, and the widths may differ with respect to one another depending on said distances. | 10-21-2010 |
20100274357 | EXPANDABLE IMPLANT, INSTRUMENT, AND METHOD - Embodiments of the invention include expandable, implantable devices and methods. Devices expand linearly to provide secure fixation between or among anatomical structures. The expanded height of some embodiments is greater that twice the unexpanded height of the device. In some embodiments, an implant replaces one or more vertebral bodies of the spine. | 10-28-2010 |
20100274358 | SPINE STABILIZATION DEVICE, AND METHOD AND KIT FOR ITS IMPLANTATION - A spine stabilization device is provided, the spine stabilization device including an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra, and including a top surface oriented towards the lower endplate of the vertebral body of the upper vertebra and a bottom surface oriented towards the upper endplate of the vertebral body of the lower vertebra; and a fixation device to be inserted after placement of the interbody spacer, the fixation device including a support portion securing the interbody spacer against escaping from between the vertebral bodies of the upper and lower vertebra into a ventral direction, the support portion shaped to rest against a portion of an anterior surface of the interbody spacer, and further including an anchor, the anchor including an anchoring material portion that is configured to be inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral body of the upper vertebra and of the vertebral body of the lower vertebra, to thereby infiltrate the cancellous bone tissue, and to harden thereafter so as to fix the support portion to the vertebral body. | 10-28-2010 |
20100280616 | MINIMALLY INVASIVE CORPECTOMY CAGE AND INSTRUMENT - An assembly comprising an expandable corpectomy cage and an insertion instrument, wherein the expandable cage comprises an instrument attachment features, including mating holes on the sides of the outer sleeve, and a ball-shaped pocket on the endplate of the inner sleeve, and the insertion instrument features a tuning-fork shaped holder, which attaches to the mating holes on the implant's outer sleeve using small bosses which mate with the holes under the spring tension of the fork, and a lever with a spherical end that mates with the ball-shaped pocket in the inner sleeve endplate. | 11-04-2010 |
20100280617 | MODULAR INTERVERTEBRAL IMPLANT - An intervertebral implant component includes an inlay which fits into an endplate, where the inlay is prevented from moving relative to the endplate. Various embodiments of locking mechanisms for preventing movement are disclosed. In some preferred embodiments, a surgeon is able to see that the locking mechanism is properly engaged. | 11-04-2010 |
20100280618 | INTERVETERBRAL DISC PROSTHESIS INSERTION ASSEMBLIES - In various embodiments, an intervertebral disc prosthesis ( | 11-04-2010 |
20100280619 | SYSTEMS AND METHODS FOR SIZING, INSERTING AND SECURING AN IMPLANT IN INTERVERTEBRAL SPACE - A prosthetic spinal implant having a securing member for fixing the implant relative to an adjacent bone. In one form, the securing member is deployable into a portion of the vertebral space for affixing the implant between the vertebrae. The securing member may be disposed substantially within the body of a bearing member of the implant when the securing member is in an undeployed orientation. In other forms, the securing member is provided separately from the implant such that it may be inserted into the intervertebral space after the implant has been placed in an implanted orientation between the vertebrae. In such forms, the securing member is configured for ease of insertion between an outer bearing surface of the implant and an adjacent bone via linear or rotary motion. | 11-04-2010 |
20100280620 | TRIAL IMPLANT ASSEMBLY - A trial implant assembly is provided that includes a threaded shaft having exterior threading adjacent a distal end and a trial implant that includes a trial base having an interiorly threaded through hole couplable to the distal end of the shaft and a trial head having a superior endplate and an inferior endplate and a support connecting the superior endplate to the inferior endplate. A variety of visualization windows are provided through the trial implant as well as a variety of mechanically adjustable stops to prevent over insertion of the trial head within the intervertebral disc space. | 11-04-2010 |
20100280621 | INTERVERTEBRAL DISC PROSTHESIS FOR THE CERVICAL SPINE IN THE DOG - A barrel holder apparatus for intervertebral disc prosthesis implantation, the apparatus comprising a first end having one or more apertures shaped to hold removable pins while the prosthesis is being implanted to prevent a first disc and a second disc of the prosthesis from separating, the removable pins being pre-threaded into the first disc and the second disc of the prosthesis prior to the implantation of the prosthesis, and a second end located opposite to the first end, the second end having an opening shaped to hold one of the removable pins while the barrel holder is being rotated to unthread the removable pin out of the prosthesis after the implantation is completed. Also provided is a method for implanting intervertebral disc prosthesis into an intervertebral disc area defined between adjacent cervical vertebrae, the method comprising threading removable pins into a first disc and a second disc of the prosthesis, holding the removable pins with a first end of a barrel holder, the first end having one or more apertures shaped to hold the removable pins, while the prosthetic is being implanted, to prevent the first disc and the second disc of the prosthesis from separating, releasing the removable pins after the implantation is complete, holding one of the removable pins by a second end of the barrel holder, the second end being located opposite to the first end and having an opening shaped to hold the removable pin, and unthreading the removable pin by rotating the barrel holder. | 11-04-2010 |
20100280622 | SYSTEM AND METHOD FOR SPINAL FUSION - The current invention is directed to a system and method for fusing two adjacent vertebrae. In one embodiment, the vertebrae are fused by inserting a sell-broaching interbody apparatus into a disc space without the need for separately drilling and broaching. The sell-broaching interbody apparatus may include cutting flutes or other broaching means capable of cutting through the cartilaginous endplates of the vertebrae. In another embodiment, an interbody apparatus with an expanding means capable of distracting the disc space between the adjacent vertebrae is inserted into the disc space. Another embodiment includes a sleeve that fits around an interbody apparatus that has at least one opening in its outer surface leading to a cavity filled with bone and/or ortho-biological materials. | 11-04-2010 |
20100286784 | Total disc replacement system and related methods - Total disc replacement systems and related methods involving a lateral, trans-psoas surgical approach to the spine while performing at least one of continuous and intermittent intra-operative neural monitoring of the psoas muscle to avoid injury during introduction. | 11-11-2010 |
20100286785 | METHOD AND APPARATUS FOR SPINAL INTERBODY FUSION - A spinal fusion implant comprising:
| 11-11-2010 |
20100286786 | BIOADHESIVE HYDROGELS - A method of forming and the resulting bioadhesive hydrogel composition for repairing or supplementing a nucleus pulposus of an intervertebral disc comprises at least a first component, a second component and a third component, wherein the first component, the second component and the third component are crosslinked. The first component comprises an amine-containing polymer component at a concentration from about 0.1% weight by weight to about 13.65% weight by weight. The second component comprises a hydrophilic polymer or pre-polymer component at a concentration from about 3% weight by weight to about 35% weight by weight. The third component comprises an aldehyde component at a concentration from about 0.1% weight by weight to about 30% weight by weight. A method of repairing or supplementing a nucleus pulposus of an intervertebral disc comprises implanting the bioadhesive hydrogel composition in a patient. | 11-11-2010 |
20100286787 | Posterior Spinal Device and Method - An intervertebral joint assembly includes an upper support and a lower support, each of which has two or more components. The upper and lower support components are arranged in situ to form the upper and lower supports, respectively. By arranging the supports in situ, the supports can be introduced from the back of the patient, for example with an arthroscope. Each of the upper and lower supports has a surface adapted to engage a vertebra and a surface adapted to engage the other support or an intermediate member to form an articulate joint which articulates the joint assembly. In some embodiments, the components of the upper and lower supports are assembled in situ, for example with pivoting, telescoping or bending, to form the upper and lower supports, respectively. The supports can be attached to vertebrae with pedicles screws, and/or other anchors attached to the supports. | 11-11-2010 |
20100292800 | INTERVERTEBRAL DISC IMPLANTS AND TOOLING - A kit for preparing an intervertebral disc space for receiving an implant ( | 11-18-2010 |
20100292801 | Artificial Disc - An intervertebral artificial disc is provided with a first endplate having a plurality of protrusions for attaching to an adjacent vertebrae and an extension portion extending towards a second adjacent vertebrae. A second endplate is provided with a plurality of protrusions for attaching to a second adjacent vertebrae and an extension portion extending towards the first adjacent vertebrae. A flexible member having an upper portion and a lower portion and a slider plate positioned within the upper portion of the flexible member is also provided. The extension portion of the first endplate is adapted to fit within a first cavity in the upper portion of the flexible member and the extension portion of the second endplate is adapted to fit within a second cavity in the lower portion of the flexible member. | 11-18-2010 |
20100298939 | Intervertebral Disc Implant - The invention relates to an intervertebral disk implant ( | 11-25-2010 |
20100298940 | INSTRUMENTS FOR REORIENTING VERTEBRAL BONES FOR THE TREATMENT OF SCOLIOSIS - An orthopedic device set, including: a plurality of intervertebral spacer elements, each spacer element having a different axial thickness from each other element, the axial thicknesses being selected to increase by an increment from one element to another; and an instrument for holding ones of the intervertebral spacer elements, the instrument comprising a shaft having a distal end, a selectively grasping subassembly for alternatively rigidly holding each spacer element at the distal end so that the spacer element cannot move relative to the instrument, and releasing the spacer element. | 11-25-2010 |
20100298941 | DYNAMIC TRIAL IMPLANTS - A trial implant system including a trial implant configured to be temporarily inserted into an intervertebral space defined by a superior vertebral body and an inferior vertebral body is disclosed. The trial implant may include a superior plate and an inferior plate coupled to the superior plate. The superior plate may have a first mating portion that defines a first articulating interface and the inferior plate may have a second mating portion that defines a second articulating interface. The second articulating interface may be configured to interact with the first articulating interface of the superior plate such that at least one of the superior plate and the inferior plate is capable of movement relative to the other. The first and second articulating interfaces may be primary or auxiliary articulating interfaces. For example, the first and second articulating interfaces may be corresponding curved surfaces or they may be corresponding engagement features. | 11-25-2010 |
20100298942 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 11-25-2010 |
20100305704 | INTERVERTEBRAL IMPLANT WITH FIXATION GEOMETRY - An intervertebral spacer implant ( | 12-02-2010 |
20100305705 | EXPANDABLE SPINAL INTERBODY AND INTRAVERTEBRAL BODY DEVICES - A device for insertion into a spinal (intervertebral or intravertebral) space is expandable from a first circumference to a second circumference through axial compression of segments of the device, particularly once the device has been properly situated within a vertebral space. The interbody/intravertebral body device is characterized by a plurality of axially stacked, individual segments that are provided on a central insertion and deployment rod. Each segment includes a central plate or body to which are pivotally attached plate or leaf structures. Pivoting of the structures provides a collapsed or unexpanded position of the first circumference and an open or expanded position of the second circumference. | 12-02-2010 |
20100305706 | SPINAL IMPLANT - A spinal implant may be used to stabilize a portion of a spine. The implant may promote bone growth between adjacent vertebrae that fuses the vertebrae together. An implant may include an opening through a height of a body of the implant. The body of the implant may include curved sides. A top and/or a bottom of the implant may include protrusions that contact and/or engage vertebral surfaces to prevent backout of the implant from the disc space. A variety of instruments may be used to prepare a disc space and insert an implant. The instruments may include, but are not limited to, a distractor, a rasp, and one or more guides. The implant and instruments may be supplied in an instrument kit. | 12-02-2010 |
20100305707 | SPACER FOR INSERTION BETWEEN TWO VERTEBRAE - A spacer for insertion between two vertebrae includes a variable axial length and comprises a first member having a hollow interior and a tubular wall and a second member having a hollow interior and a tubular wall the second member being slidable within the first member in an axial direction for adjusting an overall length. At least the first member or the second member comprises an access opening in its wall, the opening having a size which is adapted for inserting bone grafts through the opening into the interior. The spacer further comprises a length adjustment structure being engageable with an expansion tool for telescoping the second member relative to the first member and a locking structure for fixing the axial length. The access opening, the length adjustment structure and the locking structure are arranged so as to be accessible from the same side of the spacer. The spacer allows in situ filling of bone grafts into its interior and an improved handling. | 12-02-2010 |
20100312345 | INTERVERTEBRAL FUSION IMPLANT - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 12-09-2010 |
20100312346 | LOW PROFILE INTERVERTEBRAL IMPLANT - The present invention is directed to a low profile intervertebral implant ( | 12-09-2010 |
20100312347 | Polyaryletherketone artificial intervertebral disc - An intervertebral prosthesis for insertion between adjacent vertebrae, in one embodiment, includes upper and lower prosthesis plates and a movable core. The prosthesis plates and optionally the core are formed of polyaryletherketone (PAEK) for improved imaging properties. A metallic insert is provided on each of the PAEK prosthesis plates providing a bone ongrowth surface. | 12-09-2010 |
20100324685 | Spinal implant and method of using spinal implant - The present invention is a brace or spinal implant that can be inserted into vertebra that has had a cavity surgically created therein. The trapezoidal shaped spinal implant includes an opening that allows the surgical team to view the dura mater prior to packing the implant with osteogenic substances. | 12-23-2010 |
20100324686 | IMPLANT - An implant for use between two axially separated vertebrae has a body extending axially between the vertebrae and having longitudinally outwardly directed ends juxtaposed with the vertebrae and each formed with a radially outwardly projecting annular rounded ridge and with a radially outwardly open groove axially inward of the ridge. A respective end plate at each of ends bears axially outwardly directly on the respective vertebra and is formed with a radially inwardly open rotation-symmetrical recess receiving the respective end of the body. This recess is formed with an annular inwardly open groove having an inner surface on which rides the respective ridge with freedom for swiveling of each end plate on the respective end. | 12-23-2010 |
20100324687 | INTERVERTEBRAL IMPLANT WITH A PIVOTING END CAP - Implants sized to be inserted into an intervertebral space between first and second vertebral members. The implants may include a body with opposing first and second ends. An end cap may be connected to the body and include a first side with a contact surface that faces away from the body and is configured to contact against one of the first and second vertebral members when the implant is positioned in the intervertebral space. The end cap may also include a second side that faces towards the body. A connection mechanism may connect the end cap and the body for the end cap to pivot to adjust an angular position of the end cap relative to the body. The body and the end cap may each include locking features that engage together to lock an angular position of the end cap. The locking features may be configured to overlap at each of the angular positions to engage together and maintain the angular position of the end cap relative to the body when the implant is positioned in the intervertebral space. | 12-23-2010 |
20100324688 | INTERVERTEBRAL SPINAL DISC PROSTHESIS - The subject invention provides a modular six-degrees-of-freedom spatial mechanism for spinal disc prosthesis, with three rotational and three translational degrees-of-freedom. The prosthesis anchors to the superior and inferior vertebrae of an FSU and maintains mechanical linkage between those vertebrae for all normal motions and positions of the FSU. The prosthetic disc uses a novel, multi-curvate “ball-and-socket” joint with joint limits on all three rotational axes integrated into the design. A planar joint can further provide two, orthogonal linear degrees of freedom. Resilient spring elements, self-adjusting, in position and orientation, in conjunction with a double-layered, fiber and ring reinforced boot and toroidal belt, and a unique hydraulic damping system using dual segmented-walls can accommodate dynamic and static forces and sudden shocks on the FSU. | 12-23-2010 |
20100324689 | IMPLANT COMPRISING THERMOPLASTIC ELASTOMER - The invention relates to an artificial spinal implant comprising a thermoplastic elastomer comprising a hard phase and soft phase, wherein the hard phase comprises a polymer chosen from the group consisting of polyester, polyamide, polystyrene, polyacrylate and polyolefin and the soft phase comprises a polymer chosen from the group consisting of polyether, polyester, polyacrylate, polyolefin and polysiloxane. | 12-23-2010 |
20100324690 | Intervertebral Implant Component With Three Points of Contact - A method of implanting an intervertebral implant or component thereof, in which each component is selected to have an inner surface and an outer surface which engages an adjacent vertebra and presents only three distinct points of contact with a cortical rim of the vertebra. The outer surface is selected to have a footprint which is sized to be within that of the cortical rim. In disclosed embodiments, the footprint can be convexo-concave shaped or kidney shaped. The intervertebral implant can be provided with upper and lower (or first and second) components which engage adjacent first and second vertebrae and which move relative to one another. The implant has both the first and second outer surfaces sized to present a respective footprint sufficient for two lateral-anterior and one posterior points of contact with an adjacent cortical rim of the respective first and second vertebra. | 12-23-2010 |
20100331986 | BIOMATERIAL FOR ARTIFICIAL CARTILAGE - A biomaterial for an artificial cartilage is disclosed. The biomaterial eliminates the risk of possible adverse effects due to scattering of fragments of the biodegradable and bioabsorbable polymers and shows enhanced adhesiveness which allows more solid adhesion of the artificial cartilage to vertebral bodies and the like. The biomaterial includes an organized structure comprising organic fibers arranged in one of a multiaxial three-dimensional woven or knitted structure having three or more axes and a combined structure of the woven structure and the knitted structure; and a biodegradable and bioabsorbable pin provided inside the organized structure. | 12-30-2010 |
20100331987 | RADIALLY COMPRESSED DEHYDRATED SPINAL NUCLEUS IMPLANTS - A radially compressed xerogel spinal nucleus implant is manufactured and utilized for implantation into an intervertebral disc space. The implant has an optimized cross-sectional ellipsoid configuration which facilitates insertion of the implant through a minimal incision in the annulus. Radial compression is achieved by exerting substantially equilateral circumferential compression on an object contained within a radially collapsible member for exerting substantially equilateral circumferential compression on the object. Radial compression may also be achieved by exerting substantially equilateral circumferential compression force on a spinal nucleus implant via gas pressure in a sealed chamber. | 12-30-2010 |
20100331988 | Instruments and Method For Inserting An Intervertebral Implant - Instruments and methods for inserting an intervertebral implant. Insertion of the implant is accomplished by grasping the implant between the arms of an insertion instrument having arms which separate from each other and close against each other onto the implant, such that the ends of the arms of the insertion instrument engage recesses of the implant. A spacer may be provided between the arms of the insertion instrument to help position the implant while held by the arms. | 12-30-2010 |
20110004309 | Method and arrangement at implants preferably for a human intervertebral and such implant - In an arrangement for production of implant consisting of biocompatible material and intended for a vertebral disk, preferably intervertebral disk in the human body, the condition (state) of the disk is established by aids of condition establishing means and parameters. A first information created by aid of the means and parameters is arranged to control computer equipment for production of a simulation model of the disk in question with surrounding vertebras. A second information created by the computer equipment in dependency of the simulation incorporates or consists of information about the outer volume and design of the implant put in relation to the present alteration of or in the disk. The second information is arranged to initiate or contribute to the control of one or more equipments for production of the implant. In this manner, it is possible to arrange a technical arrangement and method for an individually adapted implant. | 01-06-2011 |
20110004310 | Lordotic interbody spinal fusion implants - The present application is directed to interbody spinal fusion implants having a structural configuration that provides for the maintaining and creating of the normal anatomic angular relationship of two adjacent vertebrae of the spine to maintain and create spinal lordosis. The spinal fusion implants are sized to fit within the disc space created by the removal of disc material between two adjacent vertebrae and conform wholly or in part to the disc space created. The spinal fusion implants of the present invention have upper and lower surfaces that form a support structure for bearing against the end plates of the adjacent vertebrae. The upper and lower surfaces are disposed in a converging angular relationship to each other such that the implants have an overall “wedged-shape” in an elevational side view. The angular relationship of the upper and lower surfaces places and maintains the vertebrae adjacent to those surfaces in an angular relationship to each other, creating and maintaining the desired lordosis. | 01-06-2011 |
20110004311 | SHAPED IMPLANTS FOR TISSUE REPAIR - Shaped constructs for repair of a defect in a body part or tissue of a subject are discussed herein. More specifically, implants suitable for delivery to a subject, such as a subject having a defect in a body part or body tissue, are discussed. Even more specifically, implants for intervertebral disc repair comprising corticocancellous bone, which can extend into the nucleus pulposus of an intervertebral disc and can be integrally attached to the annulus fibrosus of the disc to keep the implant in position, are described. Also, implants for meniscal repair comprising corticocancellous bone, which can extend from the outer edge of the meniscus to the inner region of the meniscus and can be integrally attached to the meniscal rim to keep the implant in position, are described. Implants for the repair of defects in bone, cartilage, and fibrocartilage are further described. Further described are methods for making such implants and for delivering the implants to a defect in a body part or body tissue of a subject. | 01-06-2011 |
20110004312 | Device and Method for Distraction of the Spinal Disc Space - An extractable device is used to insert a medicinal filling into a spinal disc. The device comprises a filling member and a flowable medicine. The filling member is made of a flexible and permeable wall and is provided with a holding portion and an injection port via which the flowable medicine is injected into the holding portion after the filling member is inserted into the spinal disc. The holding portion is provided with an opening which is releasably lashed by one end of one or more threads so as to make the opening leakproof. Upon completion of solidification of the flowable medicine in the holding portion of the filling member, other end of the thread is pulled to unlash the opening of the holding portion, thereby enabling the filling member to be extracted from the spinal disc so as to leave only the medicine in the spinal disc. | 01-06-2011 |
20110004313 | Customized Intervertebral Prosthetic Disc With Shock Absorption - A prosthesis system comprises plates that can be positioned against vertebrae and a selected resilient core that can be positioned between the plates to allow the plates to articulate. The selected resilient core can be chosen from a plurality of cores in response to patient characteristics, such as age and/or intervertebral mobility, such that the prosthesis implanted in the patient is tailored to the needs of the patient. The plurality of cores may comprise cores with different resiliencies, and one of the cores can be selected such that the upper and lower plates articulate with the desired shock absorbing resiliency and/or maximum angle of inclination when the one selected core is positioned between the plates. | 01-06-2011 |
20110009970 | Inter-Body Implant - A system for implanting an inter-body device between adjacent vertebrae comprises an inter-body device having a plurality of cans secured to a flexible bridge and having a relief portion therebetween. An inserter tube and complementary bullnoses are advantageously secured to the vertebrae by an extension arm for securing the assembly precisely in place. A plurality of articulating trial implants are provided to test fit a disc space for the proper sized inter-body device. | 01-13-2011 |
20110009971 | Apparatus and Kit for Distraction of Tissue Surfaces - An apparatus and method for distracting, in a given direction, and supporting two tissue surfaces. A plurality of wafers are consecutively inserted between the two tissue surfaces to create a column of wafers. The column of wafers is oriented between the tissue surfaces so as to expand in the given direction as the wafers are consecutively added to the column. | 01-13-2011 |
20110009972 | EXPANDABLE OSTEOSYNTHESIS CAGE - An expandable osteosynthesis implant has branches ( | 01-13-2011 |
20110015743 | MULTI-DENSITY POLYMERIC INTERBODY SPACER - A multi-density polymeric interbody spacer formed from biocompatible material for osteoconductivity includes multiple density regions of different porosity to provide both strength and osteoconductivity. An interface region is formed between the density regions to provide both direct adhesion and mechanical interlocking between the different density regions to increase the strength of the multi-density polymeric interbody spacer. A method for forming the multi-density polymeric interbody spacer includes curing a first density region to achieve a first target porosity. A second density region may then be molded to the first density region to achieve a second target porosity. A portion of the second density region partially flows into pores of the first density region, providing direct adhesion and mechanical interlocking between the first and second density regions. | 01-20-2011 |
20110015744 | PROSTHETIC SPINAL DISC SYSTEM - A prosthetic spinal disc system is provided. The prosthetic disc system has a nucleus component having an upper surface configured to engage a superior vertebra and a lower surface configured to engage an inferior vertebra, an anchor configured to affix to an anterior surface of at least one of the superior vertebra or the inferior vertebra, and a tether tying the nucleus component to the anchor. In such embodiments, the nucleus component further has a perimeter situated substantially between the upper surface and the lower surface of the nucleus component and the tether is at least partially situated on the perimeter of the nucleus component. In certain embodiments, the upper surface and the lower surface of the nucleus component are configured to allow for implantation of the disc system such that after a discectomy, no preparation of at least one of the superior and inferior vertebrae is necessary. | 01-20-2011 |
20110015745 | Combined Spinal Interbody and Plate Assemblies - A spinal implant assembly combines a spinal interbody spacer with a spine plate. The combined spinal interbody spacer and spine plate assembly provides stabilization and torsional resistance to promote fusion of adjacent vertebrae of the spine. The interbody spacer is configured for placement within an intervertebral space between the adjacent vertebrae previously occupied by a spinal disc. The spinal plate is configured for attachment to anterior sides of the adjacent vertebrae (either on or within the vertebrae). The spinal plate may translate relative to the interbody spacer or it may be fixed relative to the interbody spacer. Translation of the spinal plate allows it to be affixed to the vertebrae in various positions and/or allow movement post installation. In one form, the spinal plate is defined by first and second spine plate or plate portions that are coupled to one another to allow rotation about each other. Ends of the first and second spine plates are received in/by the interbody spacer, while a pin extends through the interbody spacer to fix the first and second spine plates to the interbody spacer. In another form, the spinal plate is defined by first and second spine plates or plate portions that are movably retained by the interbody spacer. In call cases, the first and second spine plates each have one, two or more screw holes for accepting a bone screw for fixing the spine plates to the adjacent vertebrae. | 01-20-2011 |
20110015746 | Implants with Helical Supports and Methods of Use for Spacing Vertebral Members - The present application is directed to implants with inner and outer members positioned in a telescoping arrangement. The members may include helical supports to selectively adjust the height of the implant. The helical supports offer a large contact surface to prevent inadvertent reduction of the length due to application of a compressive force. In some embodiments, the helical support members may be shaped to facilitate movement of the members to increase the height. The shape may further prevent movement that would decrease the height. Some embodiments may also prevent relative rotation of the members. In use, the inner and outer members are moved apart to adjust the height of the implant to space apart the vertebral members. The members may further be constructed to prevent the members from moving together after insertion between the vertebral members. | 01-20-2011 |
20110015747 | EXPANDABLE INTERBODY SPACER DEVICE - An expandable interbody spacer ( | 01-20-2011 |
20110015748 | System, device and methods for replacing the intervertebral disc with a magnetic or electromagnetic prosthesis - One embodiment of the present application includes a spinal disk prosthesis with one end portion to form a load transmitting relationship with one vertebra of a patient's spine and another end portion to form a load transmitting relationship with another vertebra of the patient's spine. A tube connects the end portions together and a damping material is positioned inside the tube. The end portions each include a magnet to generate a corresponding magnetic field. These magnetic fields are oriented to provide a repulsive force between the end portions to provide a magnetic bearing. | 01-20-2011 |
20110029083 | Flexible Spinal Implant - A flexible spinal implant for insertion into an intervertebral disc space for intervertebral stabilization is provided comprising a flexible implant section which enables bending of the implant body to facilitate insertion of the flexible spinal implant into the disc space via a spinal surgical procedure. The flexible spinal implant comprises a leading end, a trailing end and a flexible mid section connecting the leading end and the trailing end, wherein the implant is deformable at or about the flexible mid section to thereby permit a substantially straight entry of the implant into the disc space, and delivered to the selected disc space at a desired insertion angle of approach via a spinal surgical procedure. The implant can have a leading end comprising a curved or bullet shaped configuration, and the flexible mid section may be comprised of a flexible material. | 02-03-2011 |
20110029084 | FOAM PROSTHESIS FOR SPINAL DISC - Disclosed herein are spinal disc implants comprising a foam adapted to completely or partially replace a nucleus pulposus within a spinal disc cavity, the foam being a nonabsorbable, closed cell and having a Poisson ratio of less than 0.5. Also disclosed are methods of implanting a foam, either as an in-situ curable material or as a preformed foam. | 02-03-2011 |
20110029085 | FLEXIBLE SPINAL IMPLANT - A flexible spinal implant for insertion into an intervertebral disc space for sagittal and/or coronal intervertebral stabilization is provided comprising a flexible implant which enables bending of the flexible implant to facilitate insertion of the flexible spinal implant into the disc space via a spinal surgical procedure. The flexible spinal implant comprises a leading end, a trailing end flexibly connected to the leading end, a locking mechanism, wherein the implant is deformable at or about a flexible section to thereby permit a substantially straight entry of the implant into the disc space, and delivered to the selected disc space at a desired insertion angle of approach via a spinal surgical procedure. The implant can have a leading end comprising a curved or bullet shaped configuration, and the flexible section may be comprised of a flexible material or flexible sections which may be lockingly engaged. | 02-03-2011 |
20110029086 | LUMBAR JACK IMPLANT - A spinal implant has a first bone-engaging member, a second bone-engaging member, and a linkage coupling the first bone-engaging to the second bone-engaging member. The implant includes means for receiving a tensile force to extend the implant. | 02-03-2011 |
20110029087 | INTERVERTEBRAL PROSTHESES WITH COMPLIANT FILLER MATERIAL FOR SUPPORTING ADJACENT VERTEBRAL BODIES AND METHOD - An intervertebral prosthesis and method includes an artificial interbody disc for engaging faces of adjacent natural vertebral bodies when a natural disc is replaced. Channels in the interbody disc can provide flexible characteristics to accommodate loads on the subject's spinal column. A bio-compatible filler material having a flexural stiffness of less than 12 GPa can encourage bone growth in the channels. The filler material may be inserted during an operation or pre-inserted in the disc channels during manufacturing of the disc. | 02-03-2011 |
20110035010 | TOROID-SHAPED SPINAL DISC - An intervertebral implant for insertion between adjacent vertebral bodies is provided. The intervertebral implant can include a first component including a first articulating surface, which can be generally convex with a first radius of curvature. The first articulating surface can also define a stop element. The intervertebral implant can comprise a second component defining an aperture and including a second articulating surface. The second articulating surface can be generally concave and can have a second radius of curvature. The second articulating surface can be articulable with the first articulating surface for retaining motion between the first and second vertebra. A portion of the first articulating surface including the stop element can extend into the aperture and contacts a sidewall of the aperture to limit the range of articulation of the first component and the second component. | 02-10-2011 |
20110035011 | EXPANDABLE INTERVERTEBRAL IMPLANT - An expandable intervertebral implant ( | 02-10-2011 |
20110040385 | SPACE KEEPER FOR VERTEBRAE OR INTERVERTEBRAL DISKS - A space keeper for vertebrae or intervertebral disks is provided, which has a tubular section and teeth on the respective ends of the space keeper. On at least one end of the tubular section an element is provided, which has a top plate which is tiltable about an angle to the longitudinal axis of the tubular section. | 02-17-2011 |
20110040386 | Prosthetic intervertebral discs having substantially rigid end plates, fibers between those end plates, and core members with comparatively thin edges - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 02-17-2011 |
20110046740 | SPINAL IMPLANTS, SURGICAL INSTRUMENT SETS AND METHODS OF USING THE SAME - The present invention provides a spinal implant for stabilizing adjacent vertebrae of a patient, comprising (i) two or more cages; and (ii) a support which is returnable from a constrained linear shape to an expanded shape and affixed to each of the two or more cages, said implant having a first configuration to arrange the cages in order when the support is in the constrained linear shape, and a second configuration that gives a transformed arrangement of the cages to define a plane by the cages and the support when the support is in the expanded shape. Also provided are a surgical instrument set and a method for implanting a spinal implant to a disc space of a patient. | 02-24-2011 |
20110046741 | Total disc implant - A total disc implant (TDI) is provided for total replacement of a spinal disc or discs in a human patient or other mammal, wherein the TDI is designed to maintain a substantially full range of natural motion (ROM) following implantation. The TDI generally comprises, in one preferred form, upper and lower end plates for affixation to adjacent vertebral bodies, with an intervening insert disposed therebetween. The end plates each include elongated part-cylindrical surfaces oriented generally perpendicular to each other, with one of said surfaces extending in an anterior-posterior direction and the other extending in a medial-lateral direction. The intervening insert defines concave upper and lower part-cylindrical seats oriented for respectively engaging these part-cylindrical surfaces, wherein these part-cylindrical seats are defined by offset radii to include a somewhat flattened central base region merging smoothly with upwardly curving radiused sides. | 02-24-2011 |
20110046742 | FIBRE-BASED SURGICAL IMPLANT AND METHOD OF MANUFACTURE - A fibre-based surgical implant stabilized against fraying, includes a thermally crimped flat-knitted fabric of a biocompatible, optionally biodegradable, polymer material having a glass transition temperature or other thermally induced secondary conformational mobility threshold in the temperature range of from 20° C. to +170° C. Also disclosed is a corresponding fabric and methods of producing the implant and the fabric. | 02-24-2011 |
20110046743 | Minimally Invasive Interbody Device - An interbody device that restores the disc space height between two vertebrae during spinal fusion surgery. The device includes a center plate surrounded by a perimeter portion that combine to have a relatively flat configuration in one dimension and relatively wide configuration in a perpendicular dimension. After the disc space has been cleared, the device is inserted into the disc space in a direction so that the wide dimension of the device is substantially parallel to the body of the vertebrae. The device is then rotated so that the wide dimension of the device becomes perpendicular to the vertebral body so as to cause the disc space height to be restored. Bone graft material is then introduced through a fill tube coupled to the device so that the bone graft material is distributed on both sides of the center plate and into the disc space. | 02-24-2011 |
20110046744 | INTERVERTEBRAL SPACER DEVICE HAVING RECESSED NOTCH PAIRS FOR MANIPULATION USING A SURGICAL TOOL - Instrumentation for implanting an artificial intervertebral disc includes static trials and a dynamic trial for determining the appropriate size of disc to be implanted, static trial holders for manipulating the static trials, inserter/impactors for inserting and removing the static trials and for inserting the artificial intervertebral discs, repositioners/extractors for repositioning and extracting the static trials or the artificial intervertebral discs, and a leveler for setting the proper position of the artificial intervertebral disc. Methods for using the same are also disclosed. Features for artificial intervertebral discs and intervertebral spacer devices useful for manipulation by the instrumentation are also disclosed. | 02-24-2011 |
20110054618 | TOTAL DISC REPLACEMENT DEVICE - The total disc replacement device ( | 03-03-2011 |
20110054619 | Prosthetic Intervertebral Discs Having Rigid End Plates With Depressions In Their Inner Surfaces And Fibers Between Those End Plates - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 03-03-2011 |
20110054620 | Prosthetic Intervertebral Discs - Prosthetic intervertebral discs, systems including such prosthetic intervertebral discs, and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components, construction, and other features of the discs. | 03-03-2011 |
20110054621 | EXPANDING INTERBODY IMPLANT AND ARTICULATING INSERTER AND METHOD - A device to space vertebral members with first and second members that may have at least one ramped section. The first and second members may be positioned in a vertically overlapping arrangement with interior sides of the members facing together. The device may be positionable between a first orientation with the ramped section of the first member positioned away from the ramped section of the second member, and a second orientation with the ramped section of the first member positioned against the ramped section of the second member. The device may include a greater height measured between the exterior sides in the second orientation than in the first orientation. | 03-03-2011 |
20110060414 | ADHESIVE, SHOCK-ABSORBING INTERVERTEBRAL DISK PROSTHESIS - The invention relates to an adhesive, shock-absorbing prosthesis ( | 03-10-2011 |
20110060415 | INTERVERTEBRAL PROSTHETIC DEVICE - An implant is intended to be inserted into an intervertebral space and more specifically between two cervical vertebrae or also into a lumbar space, following body measurement adaptations. This component comprises, on the inside, an assembly comprising a protective and reinforcing shield made of a tough material with, in the continuation thereat, a ball which acts as a load-spreading centre. In order to adapt to suit the morphology of the receiving site, the implant is a soft polymer monobloc sized to suit the intervertebral space with a concave posterior end and an anterior end that is flat with rounded corners made of a preferably slightly soft polymer such as silicone or any other material that is similar but able to withstand compression. The upper and lower faces are reinforced by a yoke of greater density and are covered with an osteoconduclion or osteoinduction agent. The exterior periphery of the component is enclosed in a strip of polyester embedded into the surface of the constituent material. Four X-ray markers are included in this component, two of them vertical and two horizontal. Attached to the anterior part is a plate of soft elastomer internally reinforted by a polyester web perforated with holes for vertebral attachment. | 03-10-2011 |
20110060416 | ENDPLATE FOR AN INTERVERTEBRAL PROSTHESIS AND PROSTHESIS INCORPORATING THE SAME - An endplate for an intervertebral disc prosthesis includes: a plate member having a generally planar rim for contacting the peripheral cortical rim of a vertebral body, and an elevated region within the rim having an anterior region and a posterior region, wherein the anterior region of the elevated region is preferably recessed with respect to the posterior region and is treated to promote bone ingrowth. The endplate may be provided with a medial fin extending partway from the anterior edge of the endplate toward the posterior edge of the endplate. | 03-10-2011 |
20110071637 | SYSTEM AND METHODS FOR INSERTING A VERTEBRAL SPACER - The present invention provides vertebral spacers having a lower surface and an upper surface, an anterior face and a posterior face extending from the lower surface, and at least one guiding groove for engaging an insertion tool. A system for delivering a vertebral spacer to the spinal column of a patient, includes an insertion tool, an optional guiding tool, a pusher, a vertebral spacer, and a cutting tool. The insertion tool accepts any of a pusher, a vertebral spacer, or a cutting tool and has at least one spacer guide for engaging with a guiding groove of a vertebral spacer. The vertebral spacer is inserted into a patient by inserting the insertion tool into an intervertebral space, engaging the guiding groove of a vertebral spacer with a space guide of the insertion tool, advancing a pusher into the insertion tool, thereby pushing the vertebral spacer into the intervertebral space and thereafter removing the pusher and the insertion tool. The cutting tool is optionally used to chisel at least one vertebral space receiving slot in the vertebrae. A hardening biocompatible composition also maybe delivered, to bond the vertebral spacer to an adjacent vertebra or be an osteogenic composition to promote bone growth. | 03-24-2011 |
20110071638 | INTERVERTEBRAL DISK PROSTHESIS AND METHOD - Described herein is an intervertebral disk prosthesis with an angled leading edge for insertion into the Intervertebral space. The disk prosthesis may provide for both rotation and compression. | 03-24-2011 |
20110071639 | METHOD AND DEVICE FOR TREATMENT OF THE SPINE - A device and method of positioning materials in a spine using an arcuate tool and introducer. Materials may be positioned as desired, such as against an inner annular wall of an intervertebral disc or vertebral body. The arcuate tool retains its predetermined arcuate shape when no pressure or force is applied to the tool, and is positioned by manipulating the tool relative to an introducer and the spine, with the introducer manipulated relative to the spine. | 03-24-2011 |
20110077739 | INTERVERTEBRAL DISC PROSTHESIS - The invention relates to an intervertebral disc prosthesis comprising at least two plates, namely first and second plates, articulated about each other by means of a curved surface, namely articulation, of at least one of the plates, each of the plates comprising a surface known as a contact surface, intended to be in contact with a vertebral plate of one of the vertebrae between which the prosthesis is intended to be inserted, this contact surface for each of the plates comprising a geometrical centre at equal distance from at least two diametrically opposite points located on the periphery of the plate, in which the geometric centres of the plates are not vertically aligned, this off-setting of the geometrical centres of the plates engendering an off-setting of the edges of the plates in at least one direction perpendicular to the vertical axis of the spinal column. | 03-31-2011 |
20110077740 | Minimally Invasive Interbody Device Assembly - A minimally invasive interbody device assembly that includes an interbody device that restores the disc space height between two vertebrae and an instrument detachably coupled to the interbody device for positioning the device in the disc space and delivering bone material to the disc space that is distributed on both sides of the interbody device. The device is inserted into the disc space using the instrument in a direction so that the wide dimension of the device is substantially parallel to the body of the vertebrae. The device is then rotated by the instrument so that the wide dimension of the device becomes perpendicular to the vertebral body so as to cause the disc space height to be restored. Bone graft material is then forced down the instrument so that the bone graft material is distributed on both sides of the device. The instrument is then detached from the device. | 03-31-2011 |
20110077741 | Vertebral Fusion Implants and Methods of Use - A vertebral implant for use in vertebral fusion surgeries includes a body with an exterior surface and an interior surface. The interior surface defines an interior cavity into which bone growth promoting materials such as bone graft are insertable. The body also includes a plurality of apertures that extend from the exterior surface to the interior surface. Further, the vertebral implant includes a cutting feature to decorticate bone that protrudes outward from the exterior surface at each aperture. The cutting feature is shaped so that as a cutting force is applied to move the implant in a cutting direction, the removed bone matter is directed through the apertures and into the interior cavity. | 03-31-2011 |
20110077742 | Expandable Vertebral Body Implants and Methods of Use - A vertebral implant for insertion into a patient includes first and second end members and a spacer member. The end members and the spacer member form an elongated shape with a longitudinal axis. At least one of the end members may include a recess that receives the spacer member. At least one attachment member is coupled to each of the end members. The attachment member is positioned away from the recesses. | 03-31-2011 |
20110082552 | Prosthetic Intervertebral Discs Implantable By Minimally Invasive Surgical Techniques - The described devices are bound spinal implants that may be surgically implanted into the spine to replace damaged or diseased discs using a posterior, lateral, or postero-lateral approach. The discs are prosthetic devices that approach or mimic the physiological motion and reaction of the natural disc. | 04-07-2011 |
20110082553 | DEVICES AND METHODS FOR INTER-VERTEBRAL ORTHOPEDIC DEVICE PLACEMENT - A bone prosthesis device is comprised of an upper and lower abutment surfaces and an intervening malleable member. The device is sufficiently small so that implantation into an inter-vertebral disc space can be performed from a substantially posterior approach without significant impingement upon the neural elements. | 04-07-2011 |
20110082554 | DEVICES FOR DELIVERING SPINAL DISC IMPLANTS - A spinal disc implant delivery device includes a blocking component having opposed distal and proximal ends. The proximal end of the blocking component includes an anchor member configured and adapted for movement between an undeployed position in which the anchor member can pass into and out of an opening in a disc annulus, and a deployed position in which the anchor member anchors the blocking component to the opening of the disc annulus. In the deployed position, the anchor member is configured to prevent extrusion of implant material from the opening of the disc annuls. An implant delivery needle is located radially within the blocking component and has opposed proximal and distal ends. The needle is configured to deliver implant material from the distal end thereof to an interior of a disc annulus. | 04-07-2011 |
20110082555 | Transforaminal Lumbar Interbody Fusion (TLIF) Implant, Surgical Procedure and Instruments for Insertion of Spinal Implant in a Spinal Disc Space - Various instrumentation, implants and methodology are disclosed for implanting bone implants in the TLIF approach. The implants are preferably cortical bone of various shapes. The instruments include chisels, rasps, trials, inserters, spreaders, adjustors, curettes, rongeurs, and impactors. The instruments have straight and bent shafts. The implants may have recesses or notches in their sides for receipt of a mating insertion instrument. Some of the implants have a threaded hole for receiving a mating threaded stud of an implant insertion instrument. The implants may have saw tooth vertebral gripping surfaces which are lordotic or parallel, may be C-shaped, multi-faceted or annular. | 04-07-2011 |
20110082556 | Artificial Spinal Disc - An artificial disc prosthesis is provided. The prosthesis enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate. The prosthesis may have a central keel on one end plate and an offset pair of keels on a second end plate. The nucleus may engage a slot or trough in an inner surface of an end plate. The trough can be open on the posterior or anterior end to allow the nucleus to slide into the trough without undue distraction of adjacent vertebrae. The nucleus can be prevented from moving out of the trough by inserting a stop in the trough. | 04-07-2011 |
20110087329 | LUMBAR IMPLANT - The present disclosure relates to an intervertebral disc prostheses or implant, and more particularly to an intervertebral disc prosthesis that can be surgically introduced between adjacent vertebral bodies and adjusted or expanded in situ to occupy an optimal or desired space between the vertebral bodies. The implant is preferably inserted into the evacuated disc space obliquely and then oriented so as to extend laterally across the anterior adjacent vertebrae bodies occupying the disc space with the outer ends of the implant being supported by the cortical rims on the opposite sides of the vertebrae bodies. The outer convex surfaces of the two body members conform anatomically to the shape of the disc space contacting the endplates. The implant has two body members that are movable relative to one another so as to vary the space between the members. With the implant so positioned and oriented, the disc space and the implant may be then distracted and a spacer of a desired, predetermined thickness may be inserted within the space between the body members so as to maintain a desired amount of distraction. A method of using an implant is also disclosed. | 04-14-2011 |
20110087330 | Vertebral Implant Containment Device and Methods of Use - A containment device is inserted between vertebral members in a patient and provides a rapid implant solution adapted for use in different applications. The device includes an interior volume to contain a curable substance at substantially atmospheric pressure. Upon filling the enclosure member with a curable substance, the enclosure member is able to conform to and maintain a space between vertebral members. The containment device may include an enclosure member constructed of an impermeable material adapted to constrain migration of the curable substance. The enclosure member may include an exterior wall surrounding the interior volume and an opening in the exterior wall that exposes the interior volume. The containment device may include end members that may be distracted to establish a desired vertebral spacing. Spacer members may be included to further maintain the desired spacing. Upon hardening of the curable substance, the device is capable of maintaining the desired spacing. | 04-14-2011 |
20110087331 | ARTICULATING DISC IMPLANT - An intervertebral disc implant for use in the spine including a first part ( | 04-14-2011 |
20110093074 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 04-21-2011 |
20110093075 | ARTIFICIAL INTERVERTEBRAL SPACER - An artificial intervertebral spacer comprises a first arm and a second arm, each of the arms having first and second ends and wherein the first ends of each of the arms are connected together and wherein the second ends of each of the arms are generally separated from each other and divergently extend in a common direction. In a preferred embodiment, the first ends of the arms are joined to form a third arm. In a further preferred embodiment, the spacer comprises a generally Y-shaped structure. In other embodiments, at least two spacers are combined to provide an intervertebral distracting device. | 04-21-2011 |
20110093076 | Prosthetic lumbar disc assembly having natural biomechanical movement - Described here is a surgical device. Specifically, the device is a prosthetic spinal implant that replaces a natural lumbar disc in the spine. The device has biomechanical attributes substantially similar to a natural disc. | 04-21-2011 |
20110093077 | INTERVERTEBRAL IMPLANT WITH JOINT ELEMENTS CARRIED BY UNIVERSAL JOINT - An intervertebral implant, specifically an artificial intervertebral disk, with a central axis, an upper section, suitable for laying onto the base plate of a vertebral body lying on top and lower section, suitable for laying onto the cover plate of a vertebral body lying below, wherein | 04-21-2011 |
20110093078 | Intervertebral Spacer - An interbody spacer for insertion between vertebral members. The spacer includes a body having posterior and anterior sides, and inferior and superior faces. The spacer further includes a plurality of teeth to maintain the position of the spacer between the vertebral members. The teeth are aligned in a pattern and have a shape to allow insertion into the space between the vertebral members, and prevent or limit movement once the spacer is positioned in the space. | 04-21-2011 |
20110098820 | END CAP FOR A VERTEBRAL IMPLANT - An implant for insertion between adjacent vertebral members, comprising an implant body with at least one base section and an end cap. The end cap is adapted for selective positioning on a base section via rotational adjustment of the end cap. The end cap comprises an exterior contact surface that faces away from the implant body when positioned on the base section, a seating surface which contacts the base section when positioned on the implant body, an end cap angulation, and locking passages extending between the exterior contact surface and seating surface and adapted to receive base section teeth. The locking passages and base teeth are complimentarily configured to engage and securely maintain the end cap positioned on the base section such that the implant imparts the end cap angulation to an adjacent vertebral body at a selected point when the implant is positioned between adjacent vertebral members. | 04-28-2011 |
20110098821 | Transforaminal Prosthetic Spinal Disc Replacement and Methods Thereof - The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine and methods for inserting said discs. The present invention also relates to prosthetic spinal disc designs that are implanted using a transforaminal approach, methods thereof, and apparatus thereof. | 04-28-2011 |
20110106258 | END CAP FOR A VERTEBRAL IMPLANT - An implant for insertion between adjacent vertebral members, comprising an implant body with at least one base section and an end cap. The end cap is adapted for selective positioning on a base section via rotational adjustment of the end cap. The end cap comprises an exterior contact surface that faces away from the implant body when positioned on the base section, a seating surface which contacts the base section when positioned on the implant body, end cap angulation, positioning passages adapted to receive positioning teeth, the positioning passages and positioning teeth complimentarily configured to facilitate positioning the end cap on the base section, and a locking mechanism adapted to lockingly engage the end cap and base section such that the implant imparts end cap angulation to an adjacent vertebral body at the selected point when the implant is positioned in the intervertebral space. | 05-05-2011 |
20110106259 | Self-Pivoting Spinal Implant and Associated Instrumentation - An intervertebral implant includes an insertion end, an opposing engagement end, and first and second opposed main surfaces configured to contact respective adjacent vertebral endplates. Each of the first and second main surfaces has an anterior edge, a posterior edge, and extends between the insertion and engagement ends. Anterior and posterior walls are formed between the first and second main surfaces and along the respective anterior and posterior edges and converge at the insertion and engagement ends. A slot is formed at the engagement end and extends continuously between and at least partially along the anterior and posterior walls. A post is positioned within the slot, spaced from at least one of the anterior and posterior walls and extending at least partially between the first and second main surfaces. The post includes a plurality of exposed facets and is configured for engagement with a pivotable insertion instrument. | 05-05-2011 |
20110106260 | Flexible Vertebral Spacer - A flexible implant system for positioning a flexible spacer between adjacent vertebrae including and interbody spacer and an insertion instrument. The interbody spacer including a central axis, a lateral axis, a top surface positioned generally parallel to the central axis and a plurality of hinge sections extending generally perpendicular to the central axis. A plurality of notches making up the plurality of hinge sections adjacent the top surface that permit the interbody spacer to flex. The interbody spacer further including a groove extending along a lateral side surface, generally parallel to the central axis. An insertion instrument includes a proximal end, a distal end and a tongue extending from the proximal end to the distal end along a non-linear path. The groove slidably engages the tongue to guide the interbody spacer from the proximal end to the distal end along the non-linear path. | 05-05-2011 |
20110106261 | SYSTEM AND METHOD FOR AN INTERVERTEBRAL IMPLANT ASSEMBLY - An intervertebral implant assembly includes and inserter tool and an implant having a U-shaped body shaped and dimensioned to be placed between two adjacent vertebras. The U-shaped body comprises a rounded front end, an open back end, first and second elongated components extending from the rounded front end, forming the U-shaped body and ending at the open back end and at least one rigid strut extending from and connecting opposite inner side surfaces of the first and second elongated components. A first through-opening is formed in the space between the front end, the rigid strut and the opposite inner side surfaces of the front portions of the first and second elongated components and a second through-opening is formed in the space between the open back end, the rigid strut and the opposite inner side surfaces of the back portions of the first and second elongated components. The inserter tool comprises a shaft, a middle sleeve and an outer sleeve that work together to attach and lock to the implant. | 05-05-2011 |
20110106262 | Prosthetic intervertebral discs having substantially rigid end plates and fibers between those end plates - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 05-05-2011 |
20110106263 | Spinal Disc Prosthesis and Associated Methods - A prosthetic device for insertion into a spondylosed intervertebral space is provided. The prosthetic device includes a first component having a first flange for longitudinally engaging a first vertebra during longitudinal insertion therein, and a second component having a second flange for longitudinally engaging a second vertebra during longitudinal insertion therein. One of the first and second components comprises a projection and the other of the first and second components comprises a recess, the projection and recess being adapted to engage one another. One of the projection and the recess are offset relative to the other of the projection and the recess to accommodate the spondylosed relationship between the first and second vertebrae. | 05-05-2011 |
20110106264 | METHODS OF INTERVERTEBRAL DISC AUGMENTATION - Systems for minimally invasive disc augmentation include an anulus augmentation implant suited for minimally invasive deployment. A nucleus augmentation component may be included. The anulus augmentation implant shields weakened regions of the anulus fibrosus and/or resists escape of natural nucleus pulposus and/or the augmentation component. Methods and deployment devices are also disclosed. Several embodiments cause or allow fibrosus or bony ingrowth in or around the augmentation. | 05-05-2011 |
20110112645 | Spinal Disc Prosthesis Apparatus and Placement Method - A spinal disc prosthesis and method of placing a spinal disc prosthesis between adjacent vertebrae are provided. The inventive spinal disc prosthesis can comprise one or more solid, compressible prosthesis elements that are formed prior to the method of placing the prosthesis, or one or more solid prosthesis elements that are formed in situ. The inventive method of placing a spinal disc prosthesis between adjacent vertebrae of a patient is based on a posterior approach. The invention also includes a spinal disc prosthesis insertion apparatus and specially constructed surgical instruments for use in carrying out the method. | 05-12-2011 |
20110118844 | METHODS OF REPAIRING HERNIATED SEGMENTS IN THE DISC - Systems for minimally invasive disc augmentation include an anulus augmentation component and a nucleus augmentation component. Both are suited for minimally invasive deployment. The nucleus augmentation component restores disc height and/or replaces missing nucleus pulposus. The anulus augmentation component shields weakened regions of the anulus fibrosis and/or resists escape of natural nucleus pulposus and/or the augmentation component. Methods and deployment devices are also disclosed. Method of supporting and augmenting a nucleus pulposus by inserting a flexible biocompatible material into the disc space using an anchoring means are also provided. | 05-19-2011 |
20110118845 | FLEXIBLE DAMPENING INTERVERTEBRAL SPACER DEVICE - A flexible dampening intervertebral spacer ( | 05-19-2011 |
20110125270 | Prosthetic Spinal Disc Replacement - The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine. The present invention also relates to a method for implanting a prosthetic spinal disc via posterior or posterior lateral implantation. Other surgical approaches for implanting the prosthetic disc may also be used. The present invention also involves a method for implanting the prosthetic spinal disc while either avoiding or minimizing contact with the spinal cord and nerve rootlets, or reducing the time and extent that they need to be repositioned during implantation. | 05-26-2011 |
20110125271 | METHOD OF PERFORMING AN ANCHOR IMPLANTATION PROCEDURE WITHIN A DISC - Methods of performing procedures within an intervertebral disc are disclosed. The methods include performing procedures such as implant delivery, tissue manipulation, tissue diagnostics, and therapeutic and diagnostic agent delivery at selected locations within intervertebral discs. In one embodiment, a method includes delivering an anchor and an implant within a functional spinal unit using a surgical device having at least one depth stop. | 05-26-2011 |
20110130838 | INTERVERTEBRAL IMPLANT AND INSTALLATION TOOL - An intervertebral implant ( | 06-02-2011 |
20110130839 | SPACE HOLDER FOR VERTEBRAE OR INTERVERTEBRAL DISCS - The present invention concerns a space holder, especially for vertebrae or intervertebral discs for implantation into human or animal organisms, having a cylinder-like body ( | 06-02-2011 |
20110137421 | Transforaminal Prosthetic Spinal Disc Apparatus - An intervertebral prosthetic implant having a first endplate having a first surface configured to substantially engage with a first vertebral body and a second surface having an extension with a concave contact surface, the concave contact surface being spaced apart from the second surface. A second endplate is provided with a first surface configured to substantially engage with a second vertebral body and a second surface comprising a convex contact surface, and the second endplate having a securing element positioned along and above the second surface defining a first and second window on opposing sides of the second surface. The securing element extends along the width and length of the lower endplate and configured with an access hole. An extension portion extends from the first surface of the first endplate through the access hole of the securing element and contacts the second surface of the second endplate. | 06-09-2011 |
20110144754 | Prosthetic intervertebral discs assemblies having compressible core elements with enhanced torque transmission - This description deals with a medical device, specifically a prosthetic intervertebral disc having a compressible core that is mechanically interactive with the prosthetic disc's end plates thereby providing excellent torque or twisting transmission between the end plates. | 06-16-2011 |
20110144755 | PLIF opposing wedge ramp - A spinal fusion implant for implantation between adjacent vertebrae is formed in the approximate shape of a hollow cube. The device has an upper section and a lower section separated by a distractor all of which are relatively movable. The sidewalls of the upper section and the lower section terminate in inclined planes so that the sections move away from each other as the wedge shaped increases the height of the device. The upper section and lower section each includes a clamping flange. The clamping flange on the upper section engages the vertebral body above the implant and the clamping flange on the lower section engages the vertebral body below the implant. The distractor has a pair of clamping flanges on an end wall wherein one of the pair engages the vertebral body above the implant and the other engages the vertebral body below the implant. The clamping flanges provide a clamping action between adjacent vertebral bodies to restore alignment and stabilize the vertebral segments. | 06-16-2011 |
20110153020 | Anterior Lumbar Interbody - A system having an expandable intervertebral fusion implant assembly for insertion between two vertebrae bodies. The system includes an anterior lumbar interbody component having an upper component and a lower component, each having an inner and outer surface, pivotally connected through a hinge. A distracting component includes a wedge having a superior and inferior surface that inserts between the upper and lower components of the anterior lumbar interbody component. The outer surface of the upper and the lower component contact endplates of two adjacent vertebral bodies. | 06-23-2011 |
20110153021 | NUCLEUS PULPOSUS REPLACEMENT DEVICE - A nucleus pulposus replacement device comprises a body of an elastomeric material which is able to be introduced and positioned within an annulus of an intervertebral disc of a patient. The material is of a form which undergoes a change from a first state, in which the body of material is able to conform substantially to a shape of a nuclear cavity of the intervertebral disc, to a second state, in which the body of material mimics bio-mechanical properties of a natural, healthy nucleus pulposus of an intervertebral disc. The material is of a consistency which inhibits leakage from an annulus fibrosis of the intervertebral disc. | 06-23-2011 |
20110153022 | BALLOON-ASSISTED ANNULUS REPAIR - The present invention is directed to an inflatable annulus repair device ( | 06-23-2011 |
20110160860 | CERVICAL SPACER - An anterior cervical column support having a hollow frame having a top load bearing surface and a bottom load bearing surface may be inserted between a first spinal vertebra and a second spinal vertebra. The top load bearing surface and the bottom load bearing surface may each include an opening allowing access to the interior of the frame. A front surface may extend between the top load bearing surface and the bottom load bearing surface, and a rear surface may extend between the top load bearing surface and the bottom load bearing surface. Two side surfaces are attached between the front surface and the rear surface, each side surface having a solid side panel that is at least x-ray translucent. An anterior (front) plate is attached to the front surface of the support device, where the front plate includes clearance holes for receiving fasteners for holding the front plate in position. The top load bearing surface and the bottom load bearing surface may include a serrated or other high friction surface for applying frictional forces between the load bearing surfaces and adjacent vertebrae. | 06-30-2011 |
20110160861 | METHODS AND APPARATUSES FOR VERTEBRAL BODY DISTRACTION AND FUSION EMPLOYING A COAXIAL SCREW GEAR SLEEVE MECHANISM - Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract. | 06-30-2011 |
20110160862 | Intervertebral Prosthetic Disc - A prosthetic disc for insertion between adjacent vertebrae includes upper and lower plates, a core disposed between the plates, and at least one projection extending from at least one of the upper and lower curved surfaces of the core into at least one recess of one of the inner surfaces of the plates. The recess is oversize with respect to the projection to allow sliding movement of the plate over the core while retaining the core between the plates during such sliding movement. The projection(s) may include a rod extending through an axial hole in the core, multiple surface features of the core, or the like. | 06-30-2011 |
20110160863 | Method of Implanting Intervertebral Disk Prosthesis - Embodiments disclosed herein provide a method of implanting an intervertebral disk prosthesis that can be assembled and disassembled in a minimally invasive fashion. The prosthesis comprises a first fixing element having an anchoring first face and a cooperation second face; a second fixing element having an anchoring first face and a cooperation second face; a first prosthesis element having an active first face and a cooperation second face, the cooperation faces of the first fixing element and the first prosthesis element serving to fasten the two elements together; a second prosthesis element having an active first face and a cooperation second face, the cooperation faces of the second fixing element and the second prosthesis element serving to fasten the two elements together; and each of the active faces of the prosthesis elements defining at least a portion of a spherical cap. | 06-30-2011 |
20110160864 | INTERVERTEBRAL IMPLANT FOR TRANSFORAMINAL POSTERIOR LUMBAR INTERBODY FUSION PROCEDURE - An intervertebral implant for fusing vertebrae is disclosed. The implant may have a body with curved, posterior and anterior faces separated by two narrow implant ends, superior and inferior faces having a plurality of undulating surfaces for contacting vertebral endplates, and at least one depression in the anterior or posterior face for engagement by an insertion tool. The implant may also have one or more vertical through-channels extending through the implant from the superior face to the inferior face, a chamfer on the superior and inferior surfaces at one of the narrow implant ends, and/or a beveled edge along a perimeter of the superior and inferior faces. The implant configuration facilitates transforaminal insertion of the implant into a symmetric position about the midline of the spine so that a single implant provides balanced support to the spinal column. The implant may be formed of a plurality of interconnecting bodies assembled to form a single unit. An implantation kit and method are also disclosed. | 06-30-2011 |
20110160865 | PROSTHESIS COMPRISING A CORE OF A GEL MATERIAL WITH A WOVEN ENVELOPE AND A METHOD FOR PRODUCING THE SAME AND USE THEREOF - The present application relates to a prosthesis comprising a core of a gel material and a fibre envelope which surrounds the core. In addition, the present application relates to a method for producing the same. The object of the present application is to provide a prosthesis which is based on a material which combines a low shear stiffness with a high degree of toughness and good swelling properties. Another object of the present invention is to provide a prosthesis which is based on a material which exhibits excellent durability and wear resistance. | 06-30-2011 |
20110160866 | INTERVERTEBRAL IMPLANT WITH BLADES FOR CONNECTING TO ADJACENT VERTEBRAL BODIES - An intervertebral implant ( | 06-30-2011 |
20110166656 | SPINAL IMPLANT CONFIGURED FOR MIDLINE INSERTION - The embodiments provide a spinal implant that is configured for midline insertion into a patient's intervertebral disc space. The spinal implant may have a body and the body comprises one or more apertures. The apertures receive fixation elements, such as a screw and the like. The fixation element may comprise one or more anti-backout features, such as a split ring. In addition, at least some of the apertures are designed to permit a predetermined amount of nutation by a fixation element. The apertures that allow nutation enable the fixation element to toggle from one position to another, for example, during subsidence of the implant in situ. Some of the apertures may be configured to rigidly lock with the fixation elements. Moreover, the spinal implant may include features, such as one or more bores, that can accommodate imaging marks to help guide a surgeon. | 07-07-2011 |
20110166657 | SPINAL IMPLANT CONFIGURED FOR LATERAL INSERTION - The embodiments provide a spinal implant that is configured for lateral insertion into a patient's intervertebral disc space. The spinal implant may have a body having a tapered anterior portion and one or more apertures. The tapered anterior portion allows for concomitant distraction of soft tissue during insertion of the implant. In addition, at least some of the apertures are designed to permit a predetermined amount of nutation by a fixation element. The fixations elements that allow nutation enable the fixation element to toggle from one position to another, for example, during subsidence of the implant in situ. | 07-07-2011 |
20110166658 | SPINAL IMPLANT WITH ATTACHMENT SYSTEM - The embodiments of the present disclosure relate to a spinal implant assembly having features to prevent or minimize fixation elements, such as screws, from being dislodged, or from backing out over time and with use. The spinal implant assembly may comprise an implantable body having first apertures for receiving fixation elements. A plate configured to nest against the posterior portion of the implantable body and comprising one or more second apertures can be provided. These second apertures permit access to the head portions of the fixation elements. One or more locking elements are then passed through the second apertures and engage the head portions of the fixation elements. In addition, the plate may comprise an adjustable arm to allow the plate to be used with implantable bodies of different size. | 07-07-2011 |
20110166659 | Implant Device - The present invention is directed to an implant device, in particular an implant device placed between bony, cartilaginous or soft tissues or between prosthetic surfaces to restore or create a gap. More particular the present invention is directed to an implant device made from polymeric material and having a stiffness gradient as well as a limited dimensional deformation, wherein the implant device has a stiffness gradient and a limited dimensional deformation and preferably is at least partially anisotropic. | 07-07-2011 |
20110166660 | IMPLANT WITH SPIRAL ANCHOR - An intervertebral implant ( | 07-07-2011 |
20110172773 | ARTICULATING DISC IMPLANT - An intervertebral disc implant for use in the spine including a first part and a second part, wherein the first part and second part are configured as a joint prosthesis for the spine. The first part includes one of a concave or convex articulating surface and the second part includes one of the other concave or convex articulating surface. One of the concave or convex articulating surfaces is preferably elliptically shaped in at least one direction and does not match and is different than one of the other concave or convex articulating surfaces. | 07-14-2011 |
20110172774 | EXPANDABLE INTERVERTEBRAL IMPLANT AND ASSOCIATED SURGICAL METHOD - The present invention provides an expandable intervertebral implant that is selectively disposed in the intervertebral space and deployed, thereby in-situ distracting, realigning, and/or stabilizing or fusing a portion of the spine of a patient in the treatment of injury, disease, and/or degenerative condition. The expandable intervertebral implant includes a superior member and an inferior member, each of which has a partially or substantially wedge or prismatic shape and a partially or substantially convex or other-shaped surface that is suitable for engaging the substantially concave surfaces of the associated bony superior and inferior intervertebral endplates. Once disposed in the intervertebral space, the expandable intervertebral implant is actuated and deployed, with the superior member and the inferior member moving apart from one another, seating against the associated intervertebral endplates, and distracting, realigning, and/or stabilizing them to a desired degree. The external surface of each of the superior member and the inferior member is provided with a plurality of ridges or other friction structures, providing purchase with the associated intervertebral endplates. | 07-14-2011 |
20110172775 | INTERBODY IMPLANT WITH GRAFT RETAINING BONE CAP - Systems and methods for retaining bone graft material in an interbody implant system are provided. In one embodiment of the invention, there is provided an interbody implant system comprising an implant device and at least one sliding bone cap device. The implant device includes a body defining a cavity for holding bone graft material therein and a plurality of fenestrations on at least one surface of the body to allow bone to grow through the body of the implant. The implant is connectable to at least a portion of the at least one sliding bone cap, wherein once connected, the at least one sliding bone cap prevents the bone graft material from being expelled from the body of the implant during insertion of the implant into the interbody disc space. | 07-14-2011 |
20110172776 | Pivotable Interbody Spacer System And Method - A spinal spacer system includes a handle member, an extension member including a first and a second end, wherein the first end of the extension member is coupled to the handle member. Additionally, a coupling device configured to selectively couple a spacer to the second end of the extension member is disposed on the extension member including an angular fixation member configured to fix the spacer in an angular position relative to the handle member. The spinal spacer system also includes an actuator configured to selectively actuate the coupling device and the angular fixation member. The spacer of the present exemplary spinal spacer system includes a proximal end, a distal end, and a rotatably coupleable engagement member disposed on the proximal end of the spacer. According to one exemplary embodiment, the coupling device includes a single protruding member extending from the second end of the extension member. | 07-14-2011 |
20110172777 | IMPLANT DERIVED FROM BONE - An implant which is particularly suitable for the repair and/or replacement of a skeletal joint, e.g., a vertebral joint, includes a unit of monolithic bone possessing at least one demineralized region exhibiting properties of flexibility and resilience, the demineralized region having diminished or insignificant capacity for promoting new bone growth. | 07-14-2011 |
20110172778 | Vertebral Implant Including Preformed Osteoconductive Insert and Methods of Forming - A vertebral implant for insertion into a patient includes an insert formed from an osteoconductive material and further including a biocompatible polymer body that is formed into the insert. The insert may extend over part of or substantially the entire bone contact surface of the implant. The insert includes a bone contact surface and a substrate interface. The implant may include fibers that extend across the substrate interface from the insert to the body. The insert may be thin relative to the overall thickness of the implant. The insert may be preformed. The insert may be formed using a molding process. The body may be molded onto the insert. | 07-14-2011 |
20110172779 | Expandable Implant, Instrument, and Method - Embodiments of the invention include expandable, implantable devices and methods. Devices expand linearly to provide secure fixation between or among anatomical structures. In some embodiments, an implant replaces one or more vertebral bodies of the spine. | 07-14-2011 |
20110178598 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 07-21-2011 |
20110178599 | INTERVERTEBRAL IMPLANT HAVING EXTENDABLE BONE FIXATION MEMBERS - An intervertebral implant is configured to be fixed in an intervertebral space defined by a first vertebral body and a second vertebral body. The intervertebral implant includes an implant body sized to be inserted into an intervertebral space, and a fixation assembly configured to be attached to the implant body. The fixation assembly includes a housing that defines a first vertebral body facing surface and a second vertebral body facing surface spaced from the first vertebral body facing surface along a transverse direction. The fixation assembly further includes at least one fixation member supported by the housing and movable from a retracted position to an extended position, whereby in the extended position the fixation member extends out from the housing and into one of the vertebral bodies. | 07-21-2011 |
20110178600 | ELECTRONICALLY CONTROLLED ARTIFICIAL INTERVERTEBRAL DISC WITH MOTOR ASSISTED ACTUATION SYSTEMS AND AN ACTIVE CLOSED-LOOP MICROCHIP RESPONDING BY SENSORS TO VARIABLE HUMAN LOCOMOTOR ACTIVITY AND SPINAL MOTION - An electronically assisted artificial vertebral disc having an upper disc plate and a lower disc plate is disclosed. An actuator imparts movement to at least one of the upper and lower disc plates. A control device controls the actuator and the amount of movement between the disc plates. The actuator includes a plurality of either linear actuators or rotary actuators that are driven by electric motors in response to the control device. The control device includes at least a first sensor for detecting the position of the actuator and at least a second sensor for detecting the spatial orientation of at least one of the upper and lower disc plates. The control device also preferably includes a microprocessor that calculates the desired positions of the upper and lower disc plates and provides a control signal to the actuator to drive the upper and lower disc plates to their desired positions. | 07-21-2011 |
20110178601 | Adjustable Insertion Device For A Vertebral Implant - Intervertebral implants configured to engage with an insertion device for insertion between first and second vertebral members. The implants may include a body with a sidewall that forms an interior space. An opening may extend through the sidewall and into the interior space. Receptacles may be positioned at the opening and include an inlet to receive the insertion device. | 07-21-2011 |
20110178602 | METHODS AND APPARATUS FOR TREATING DISC HERNIATION AND PREVENTING THE EXTRUSION OF INTERBODY BONE GRAFT - Medical devices for treating an annulus fibrosis are described. The annulus fibrosis has an outer layer, at least one inner layer, and a defect extending through the outer and inner layers. The devices include first and second elongate fastening members, each having a first end, a second end, and an anchor on the first end that is substantially transverse when deployed. Additionally, a connector links the first and second elongate fastening members | 07-21-2011 |
20110184521 | PROSTHESIS CONNECTION MECHANISM - A prosthesis comprising a component for engaging a surface of a vertebral body is disclosed. The component comprises a bone-engaging surface and an outer surface that is not bone-engaging, wherein the bone-engaging surface is configured to engage a portion of the surface of the vertebral body, wherein the vertebral body has been configured to engage with the bone-engaging surface, and wherein after the component is engaged with the vertebral body, at least at a location of an area of a junction between a vertical surface and an endplate surface of the vertebral body, the outer surface of the component has a shape that is substantially similar to an anatomical shape of the vertebral body. | 07-28-2011 |
20110184522 | MODULAR INTERBODY DEVICES AND METHODS OF USE - Methods and devices for spacing vertebral members using modular intervertebral devices and insertion tools. The devices may include opposing first and second endplates, and an intermediate member configured to fit between and support the endplates. The insertion tool may include an elongated handle and a distracter. A method of inserting the device using the tool may include inserting the endplates positioned on opposing sides of the handle into the intervertebral space and positioning the endplates in the intervertebral space relative to first and second vertebral members. The method may include deploying the distracter and increasing a distance between the endplates. Another step may include inserting the intermediate member into the intervertebral space and between the endplates and supporting the endplates with the intermediate member. The insertion tool may then be removed from the intervertebral space. | 07-28-2011 |
20110184523 | SLIDE-ON END CAP FOR A VERTEBRAL IMPLANT - An implant for insertion between adjacent vertebral members, comprising an implant body with a base section having positioning teeth, and an end cap adapted for positioning at a selected point on the base section via adjustment of an approach direction. The end cap comprises a seating surface adapted to contact the base section when positioned on the implant body, an end cap angulation, and positioning passages adapted to receive the positioning teeth. The implant may further comprise a locking mechanism adapted to lockingly engage the end cap and base section and prevent axial movement of the end cap. The positioning passages and positioning teeth are complementarily configured to facilitate slideably positioning the end cap on the base section. The implant body and end cap combination will impart end cap angulation to an adjacent vertebral body at the selected point when the implant is positioned in the intervertebral space. | 07-28-2011 |
20110184524 | IMPLANT FOR INSERTION BETWEEN VERTEBRAL BODIES OF THE SPINAL COLUMN - An implant ( | 07-28-2011 |
20110190889 | LORDOTIC INTERBODY DEVICE WITH DIFFERENT SIZES RAILS - A vertebral implant for installation in a disc space is disclosed that includes a body defining a first vertebral support rail and a second vertebral support rail extending along a vertical axis. Each vertebral support rail is separated by a channel running circumferentially around at least a portion of the body along a longitudinal axis of the body. The first vertebral support rail has a first height and the second vertebral support rail has a second height. The first height is smaller than the second height. The height or apex of each vertebral support rail is sized and configured to match the concave nature of the endplates of vertebra of the spine. | 08-04-2011 |
20110190890 | END CAP FOR A VERTEBRAL IMPLANT - An implant for insertion between adjacent vertebral members, comprising an implant body with a base section having positioning teeth, and an end cap for positioning at a selected point on the base section via adjustment of an approach direction. The end cap comprises a seating surface which contacts the base section when positioned on the implant body, an end cap angulation, and positioning passages for receiving positioning teeth. The implant may comprise a locking mechanism for lockingly engaging the end cap and base section and preventing end cap axial movement. The positioning passages and positioning teeth configured to facilitate end cap slideable positioning on the base section. And, a positioning passage comprising a locking tenon for lockingly engaging a positioning tooth in the positioning passage. The implant body and end cap combination imparting angulation to an adjacent vertebral body at the selected point when positioned in the intervertebral space. | 08-04-2011 |
20110190891 | Device for Stabilizing a Vertebral Joint and Method for Anterior Insertion Thereof - A prosthetic device can be used as a prosthesis following a discectomy or a corpectomy. The prosthetic device includes two endplates with staggered motion limiting members. The device can be configured to allow six degrees of motion when comparing one endplate relative to the other. The endplates can be configured to fix the joint by changing the body held within the device and by adding a locking plate and fasteners. A method teaches how to insert a device to an intervertebral space via an anterior incision. | 08-04-2011 |
20110190892 | SPINAL IMPLANT CO-INSERTION SYSTEM AND METHOD - A system and method for substantially simultaneous co-insertion of an implant, such as a cage and plate. An inserter is secured to the cage and plate and is used to hold the components while implanting the components during a surgical procedure. | 08-04-2011 |
20110190893 | INTERVERTEBRAL DISC TREATMENT METHODS AND APPARATUS - Instrumentation and methods facilitate reconstruction of the anulus fibrosus (AF) and the nucleus pulposus (NP). An intra-aperture component is dimensioned for positioning within a defect in the AF, with one or more components being used to maintain the intra-aperture component in position. The intra-aperture component may be porous and flexible while being intentionally non-expandable in cross section following its positioning within the defect. A component used to maintain the intra-aperture component within the defect includes a flexible longitudinal fixation component that passes through the intra-aperture component and a region of the AF apart from the defect. If available, this may be a region of the AF having overlapping layers with intact fibers in different directions. The flexible longitudinal fixation component may be anchored to one of the upper and lower vertebral bodies. | 08-04-2011 |
20110190894 | Mechanical Apparatus and Method for Artificial Disc Replacement - The present invention relates to a device and method to 1) facilitate disk fusion, 2) perform an artificial replacement of the nucleus, 3) perform an artificial replacement of the annulus, or 4, perform an artificial replacement of both the nucleus and annulus. The device is designed to be placed into the inter-vertebral space following discectomy. The invention includes a delivery catheter and an expandable continuous mesh loop that has a torus configuration with a lumen within the mesh and a central hole. The mesh loop can be diametrically increased or contracted in diameter by the control element acting on the mesh loop. The mesh loop maybe formed of a woven or braided material from a polymer such as PEEK (polyetheretherketone), nylon, polyurethane, polyester, polyethylene, polypropylene or any other biocompatible polymer, or formed from a metallic braid of stainless steel, Elgiloy, Nitinol, or any other biocompatible metal. | 08-04-2011 |
20110190895 | Mechanical Apparatus and Method for Artificial Disc Replacement - The present invention relates to a device and method to 1) facilitate disk fusion, 2) perform an artificial replacement of the nucleus, 3) perform an artificial replacement of the annulus, or 4, perform an artificial replacement of both the nucleus and annulus. The device is designed to be placed into the inter-vertebral space following discectomy. The invention includes a delivery catheter and an expandable continuous mesh loop that has a torus configuration with a lumen within the mesh and a central hole. The mesh loop can be diametrically increased or contracted in diameter by the control element acting on the mesh loop. The mesh loop may be formed of a woven or braided material from a polymer such as PEEK (polyetheretherketone), nylon, polyurethane, polyester, polyethylene, polypropylene or any other biocompatible polymer, or formed from a metallic braid of stainless steel, Elgiloy, Nitinol, or any other biocompatible metal. | 08-04-2011 |
20110190896 | APPARATUS FOR ENHANCED DELIVERY OF TREATMENT DEVICE TO THE INTERVERTEBRAL DISC ANNULUS - The present invention provides methods and devices for enhancing the delivery of treatment devices for treating the annulus of an intervertebral disc. The methods and devices may employ delivery support elements to delivery tools used to deliver expandable treatment devices to the intervertebral disc. Fixation devices and methods are also disclosed, which may help to secure the treatment device in place. | 08-04-2011 |
20110196492 | BONE ANCHORING SYSTEMS - Embodiments relate generally to tissue anchors and methods of deliveπng same to the intervertebral disc or other sites within the body. In some embodiments, the anchors provide increased pull-out resistance, stability and/or contact with tissue involving a reduced amount of penetration. In some embodiments, delivery methods are minimally invasive and can include linear, lateral, and off-angle implantation or driving of anchors along, against or within tissue surfaces. Several embodiments disclose anchors and anchoπng systems that effectively reconstruct or augment vertebral endplate surfaces. | 08-11-2011 |
20110196493 | CAGE SYSTEM TO ANTERIOR LUMBAR INTERVERTEBRAL FUSION - An implant for the human body, and in particular to an implant suitable for placement between two adjacent vertebrae of the spine, the implant having a cage to allow for bone growth in and around the cage. | 08-11-2011 |
20110196494 | PERCUTANEOUS INTERBODY SPINE FUSION DEVICES, NUCLEAR SUPPORT DEVICE, SPINE FRACTURE SUPPORT DEVICE, DELIVERY TOOLS, PERCUTANEOUS OFF-ANGLE BONE STAPLING/NAILING FIXATION DEVICE AND METHODS OF USE - Percutaneous interbody spine fusion devices are provided. These devices may have a number of different designs and exemplary features. One device consists of a single rotating hollow cam cage with perforations (with or without fixation anchors) and a delivery tool. Another device consists of a counter-rotating cam cage (with or without fixation anchors) and a delivery tool. A third device consists of an expanding cam with anchors and delivery tool; this device may consist of a single expanding cam or a series of expanding cams. A delivery tool is included. A fourth device consists of a spring cage; this device may be a stand-alone device, can be combined with expanding cam device, and may be incorporated into a cage. A delivery tool is included. This spring cage may or may not have fixation anchors. A fifth device consists of a random coil support device that can be used as a nuclear or spine fracture support device; a delivery tool is included. A sixth device consists of a directional ribbon strip coil device and delivery tool. Also provided is a percutaneous off-angle bone stapling/nailing fixation device. | 08-11-2011 |
20110196495 | IMPLANT SYSTEM AND METHOD - In various embodiments, an implant for interfacing with a bone structure includes a web structure including a space truss. The space truss includes two or more planar truss units having a plurality of struts joined at nodes and the web structure is configured to interface with human bone tissue. In some embodiments, a method is provided that includes accessing an intersomatic space and inserting an implant into the intersomatic space. The implant includes a web structure including a space truss. The space truss includes two or more planar truss units having a plurality of struts joined at nodes and the web structure is configured to interface with human bone tissue. | 08-11-2011 |
20110196496 | Interbody Fusion Device - An interbody spacer includes concave lateral surfaces extending at an angle with respect to the longitudinal axis. In one aspect, the interbody spacer includes upper and lower convex surfaces defined by an arc extending from a center point offset from the spacer midpoint. In another aspect, lateral edges of the upper and lower surfaces are also defined by convex arcs extending from a center point offset from the spacer midpoint. | 08-11-2011 |
20110196497 | Method and System For Fusing a Spinal Region - A method and system for fusing a region in the spine involve the use of at least one guide tube to pass instruments and substances into the spinal region in a minimally invasive manner. In the preferred practice of the method, a guide tube is anchored to a vertebra and the guide tube is moved to thereby position the vertebra. A steerable drilling tool is passed through the guide tube and steered into position to abrade at least a portion of an intervertebral disc and thereby create a cavity in the disc. A flowable substance is passed into the cavity and permitted to solidify to establish fusion in the cavity. Optionally, an uninflated balloon is inserted into the cavity and the balloon is filled with the flowable substance to contain the flowable substance. | 08-11-2011 |
20110196498 | INTERVERTEBRAL DISK PROSTHESIS - An intervertebral disk prosthesis is disclosed. The intervertebral disk prosthesis is has a base plate, a top plate opposite the base plate, and an intervening core located between the top plate and base plate. One of the plates has a first concave contact face facing the core, which has a adjacent first convex contact face. A groove is provided around one of contact faces in which an elastic ring is placed. When placed in the groove, the elastic ring is also in contact with the opposite contact face. | 08-11-2011 |
20110196499 | SYSTEMS AND METHODS FOR TREATING VERTEBRAL BODIES - Systems and methods treat at least two vertebral bodies in a spinal column. The systems and methods make use of first and second tool assemblies operable to treat an interior region of, respectively, a first vertebral body and a second vertebral body in the spinal column. The systems and methods provide directions for operating the first and second tool assemblies to treat the first and second vertebral bodies, at least for a portion of time, concurrently. | 08-11-2011 |
20110196500 | SPACER DEVICE AND INSERTION INSTRUMENT FOR USE IN ANTERIOR CERVICAL FIXATION SURGERY - An intervertebral spacer has curvate upper and lower rough surfaces that stimulate bone growth and is formed from a porous material that facilitates bone growth thereinto. The spacer has a plurality of smooth linear grooves to facilitate insertion of the spacer into an intervertebral space using a spacer insertion tool that has a scissor-style body. Each of the insertion tool's arm's heads has an inner surface having a pair of smoothed linear protrusions that fit within the linear grooves of the spacer when the heads are closed about the spacer. When the spacer is held, spaces are present between the spacer's rough surfaces and the heads' inner surfaces so that when the protrusions are longitudinally slid from the grooves to leave the spacer in the intervertebral spacer, the rough surfaces are not disturbed. | 08-11-2011 |
20110196501 | INTERBODY SPINAL IMPLANT INDUCTIVELY COUPLED TO AN EXTERNAL POWER SUPPLY - An electrical bone growth promotion apparatus for the delivery of electrical current to an implant surgically implanted between adjacent bone masses to promote bone growth to areas adjacent to the implant is disclosed. The apparatus of the present invention comprises a self contained implant having a surgically implantable, renewable power supply and related control circuitry for delivering electrical current directly to the implant and thus directly to the area in which the promotion of bone growth is desired. The desired areas of bone growth promotion may be controlled by conducting negative charge only to the desired location of bone growth promotion. | 08-11-2011 |
20110202135 | EXPANDABLE SPINAL INTERBODY CAGE AND METHODS - An implantable device assembly including a bone fusion cage assembly having first and second housing members and a biasing member. The first housing member defines a first contact surface. The second housing member defines a second contact surface that faces generally opposite the first contact surface. The biasing member is operable to bias the first and second housing members away from each other into an expanded position. Each of the first and second housing members may include at least one pivot portion that defines the contact surfaces. The implantable device assembly may also include a plate assembly that is mounted to the bone fusion cage assembly. | 08-18-2011 |
20110202136 | ARTICULATING SPINAL IMPLANT - A spinal implant and method of implanting a spinal implant that has a spacer and a plate configured to be fastened to a plurality of vertebral bodies. The plate is coupled to the spacer, with the spacer and the plate being angularly adjustable with respect to each other. | 08-18-2011 |
20110202137 | DEVICES AND METHODS FOR ANNULAR REPAIR OF INTERVERTEBRAL DISCS - Devices and methods for treating a damaged intervertebral disc to reduce or eliminate associated back pain. The present invention provides disc reinforcement therapy (DRT) which involves implanting one or more reinforcement members in and preferably around the annulus of the disc. The reinforcement members may be used to stabilize the annulus and/or compresses a portion of the annulus so as to reduce a bulge and/or close a fissure. The implantable devices and associated delivery tools may incorporate heating capabilities to thermally treat the annular tissue. Alternatively or in combination, other devices may be specifically employed for such thermal treatment. | 08-18-2011 |
20110208307 | TOTAL DISC REPLACEMENT WITH W-SHAPED SPRING ELEMENTS - An intervertebral implant for mounting between superior and inferior vertebrae includes first and second endplates and an inlay. The first endplate has a first vertebra engagement surface and a first inner surface. The first vertebra engagement surface is mounted to the superior vertebra in an implant positions. The second endplate has a second vertebra engagement surface and a second inner surface. The second vertebra engagement surface is mounted to the inferior vertebra in the implanted position. The inlay is mounted to and between the first and second inner surfaces in an assembled configuration. The inlay includes a first mounting plate, a second mounting plate, a first W-shaped spring and a second W-shaped spring. The first and second W-shaped springs are mounted between the first and second mounting plates. The first and second W-shaped springs have longitudinal axes that are generally parallel to the insertion axis. | 08-25-2011 |
20110208308 | TISSUE PROSTHESIS INSERTION SYSTEM AND METHOD - A tissue prosthesis insertion system ( | 08-25-2011 |
20110208309 | Spinal Fusion Implant and Related Methods - A spinal fusion implant of non-bone construction adapted to be introduced into any variety of spinal target sites, in particular the lumbar spine via a transforaminal surgical approach. | 08-25-2011 |
20110208310 | ULTRASONIC WELDABLE SPINAL IMPLANTS AND RELATED METHODS - A spinal implant for augmenting or supporting a patient's spine including vertebrae and intervertebral discs includes a first component constructed of a thermoplastic material and a second component constructed of the thermoplastic material. The first and second components are configured for implantation into the spine such that the first component contacts the second component at a welding point in an initial implanted position. An ultrasonic probe includes a tip that is configured to selectively contact the first component and/or the second component in the initial implanted position to transform the welding point to a welding joint in a final implanted position. The first component is fixed to the second component at the weld joint in the final implanted position. | 08-25-2011 |
20110208311 | Device For Securing An Impalnt To Tissue - An implant device is provided for implantation within an intervertebral space between adjacent vertebrae comprising an implant body, a rotatable portion and a piercing portion configured to pierce the adjacent vertebra. | 08-25-2011 |
20110208312 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS, ZERO-PROFILE HORIZONTAL INTERVERTEBRAL MINIPLATES, EXPANSILE INTERVERTEBRAL BODY FUSION DEVICES, AND POSTERIOR MOTION-CALIBRATING INTERARTICULATING JOINT STAPLING DEVICE FOR SPINAL FUSION - An apparatus and method for joining members together using a self-drilling screw apparatus or stapling apparatus are disclosed. The screw apparatus includes a shell and first and second first screw members having tapered ends and threaded bodies that are disposed within the shell. A drive mechanism rotatably drives the first and second screw members from the shell in opposite directions and causes the screw members to embed themselves in the members to be joined. The screw apparatus can be used to join members such as bones, portions of the spinal column, vertebral bodies, wood, building materials, metals, masonry, or plastics. The stapling apparatus includes first and second lever arms rotatably joined together at a fulcrum, and the lever arms rotate in opposite directions. First and second cartridges are disposed at the ends of the lever arms. Each cartridge is capable of holding a staple including a bracket, a nail member and an alignment slot. When the ends of the lever arms are rotated towards each other the staples from the cartridges are interlocked. The staples can be also be used to join members such as bones, portions of the spinal column, or vertebral bodies. | 08-25-2011 |
20110208313 | SPINAL FUSION IMPLANT WITH BONE SCREWS AND A BONE SCREW LOCK - An interbody spinal fusion implant made of a material other than bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. The implant has a leading end that is curved to form a portion of a circle from side to side, sides that are at least in part straight, and a trailing end with a bone screw receiving hole for receiving at least one bone screw to engage the vertebral bodies. | 08-25-2011 |
20110208314 | APPARATUS AND METHOD FOR SUPPORTING VERTEBRAL BODIES - An apparatus and method for supporting upper and lower vertebral bodies, including first and second end members adapted for engagement with the vertebral bodies, and at least one elongate support member coupled between the end members to maintain an axial space between the vertebral bodies. In one aspect of the invention, each of the end members has a parametrical or horseshoe-shaped configuration extending about an open inner region and defining a lateral passage communicating with the open inner region to facilitate insertion of the apparatus or the individual end members into the intervertebral space via a posterior surgical approach. In a further aspect of the invention, a fusion member is positioned within the axial space to promote bony fusion between the upper and lower vertebral bodies. | 08-25-2011 |
20110213463 | ANNULUS-REINFORCING BAND - A pliable band or hoop that is flexible to normal handling, but cannot stretch circumferentially once it has reached the limits of its circumferential length. The band may have a structural portal to be used for filling, or it may simply be constructed of a fabric-like material that allows a fill tube to perforate its walls to allow for filling. In the latter case, the perforated wall tends to self-seal once the fill tube is withdrawn. The band may be flat or tubular in cross-section. However, unlike a balloon, the band does not require either a bottom or a top, as we found that a top and bottom are unnecessary when using a band or hoop to enclose material injected into a reamed out intervertebral space. | 09-01-2011 |
20110213464 | INJECTION OF FIBRIN SEALANT IN THE ABSENCE OF CORTICOSTEROIDS IN SPINAL APPLICATIONS - A method and kit for treating a disc that is leaking nucleus pulposus through at least one defect in the annulus fibrosus. The method includes injecting a fibrin sealant into the disc to reduce at least a portion of the at least one defect, wherein the fibrin sealant injected into the disc comprises fibrinogen and an activating compound, wherein at least a portion of the fibrin forms after injection, with the proviso that a corticosteroid is absent from the fibrin sealant injected into the disc. | 09-01-2011 |
20110213465 | EXPANDABLE INTERBODY FUSION DEVICE - An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing wafer stack. The wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. Each wafer also includes features that interlock with the inferior plate until the wafer is dislodged by sequential introduction of another wafer. | 09-01-2011 |
20110218629 | SPINAL STABILIZATION DEVICE - A spinal implant device in accordance with the present disclosure is made of a material suitable for human implantation and has a main body having a substantially square periphery. In addition, the spinal implant device has a tapered leading tip on a distal end of the spinal implant device and contiguous with the main body for insertion into a intervertebral space between two vertebral bodies. | 09-08-2011 |
20110218630 | INTERVERTEBRAL DISC ENDOPROSTHESIS - An intervertebral disc endoprosthesis for implantation in the spinal column, with an upper end plate and a lower end plate for securing respectively to the bones of the vertebral body, and with a slide bearing which is arranged between the end plates and is composed of slide bodies that are designed to slide on each other. both end plates are made of plastic and the slide bodies are made of ceramic, the slide bodies are encapsulated by the plastic of the end plates and the surface areas of the slide bodies encapsulated by the plastic of the end plates have surface area enlargements by comparison with flat surfaces. To ensure that the slide bodies are connected fixedly to the end plates in a manner secure against twisting, it is proposed that the surface area enlargements are elevations or depressions on the slide bodies. | 09-08-2011 |
20110218631 | ADJUSTABLE INTERVERTEBRAL IMPLANT - An adjustable intervertebral implant ( | 09-08-2011 |
20110218632 | SURGICAL IMPLANTS - Systems and methods for replacement of an intervertebral disc are provided. The spinal implant comprises an elastomeric material that has been treated with an additive to decrease the ability of emissions to pass through the elastomeric material and to increase at least one of wear resistance, stiffness, and Shore hardness of the elastomeric material. The additive may be a barium-containing compound, one or more metals, or one or more x-ray opaque materials. The additive may be included in certain localities of the implant. A series of implants may be provided with different sizes and different structural properties that mimic the stiffness and shock absorbing properties of the natural intervertebral disc to be replaced. | 09-08-2011 |
20110218633 | DEVICES AND TECHNIQUES FOR A POSTERIOR LATERAL DISC SPACE APPROACH - This invention relates to devices and instruments for implant insertion through a posterior lateral opening to the disc space. The instruments include an implant inserter, and the devices include a spinal fusion implant engageable by the implant inserter. The implant provides bilateral support of the adjacent vertebrae when inserted into the disc space from a postero-lateral approach. | 09-08-2011 |
20110224795 | SPINAL FUSION IMPLANT - The present invention is directed to a variety of interbody spinal fusion implants for insertion across the surgically corrected height of a disc space between two adjacent vertebral bodies of a human spine. The spinal fusion implants of the present invention have opposed upper and lower portions with openings extending through the implant to provide for bone growth from vertebral body to vertebral body. The upper and lower portions of the spinal fusion implants of the present invention have bone engaging projections to engage the implants to the adjacent vertebral bodies. | 09-15-2011 |
20110224796 | IMPLANT FOR FUSING SPINAL COLUMN SEGMENTS - The invention relates to an optical lens shaped into the form of a shroud and having a light-permeable front side ( | 09-15-2011 |
20110230967 | Intervertebral Nucleus and Annulus Implants and Method of Use Thereof - The invention encompasses devices and methods for treating one or more damaged, diseased, or traumatized intervertebral discs to reduce or eliminate associated back pain. Specifically, the invention encompasses intervertebral nucleus and annulus implants that are resistant to migration in and/or expulsion from an intervertebral disc space. The invention further encompasses kits including the implantable devices of the invention and associated delivery tools to treat annular and nuclear tissue. | 09-22-2011 |
20110230968 | Intersomatic Cage - The invention relates to an intersomatic cage comprising a body ( | 09-22-2011 |
20110230969 | IMPLANT FOR STABILIZING BONES OR VERTEBRAE - An implant for stabilizing bones or vertebrae is provided, the implant including an implant body that can be fixed by means of at least a first screw and a second screw to the bone or a vertebra, wherein the implant body includes at least a first hole and a second hole. Each of the first screw and the second screw includes a screw thread. Each of the first hole and the second hole has a threaded portion with an internal thread for cooperating with the screw thread, wherein the threaded portion of at least the first hole is formed of a flexible material. A guiding member that is a separate part is insertable into the implant body such that it is arranged at least partially within the first hole. The guiding member is configured to guide the first screw when the firstscrew is screwed through the threaded portion of the first hole. The second screw is spaced apart from the guiding member when the second screw is screwed through the threaded portion of the second hole. | 09-22-2011 |
20110230970 | INTERVERTEBRAL IMPLANTS AND GRAFT DELIVERY SYSTEMS AND METHODS - According to some embodiments, a method for promoting spinal fusion using a spinal implant comprises providing a spinal implant, wherein the spinal implant comprises an anterior wall, a posterior wall and two lateral walls configured to extend between the anterior wall and the posterior wall. In some embodiments, the spinal implant further comprises at least one internal chamber generally positioned between the anterior wall, the posterior wall and the two lateral walls, wherein the internal chamber being is adapted to receive at least one graft and/or other fill material. In some arrangements, the anterior wall of the spinal implant comprises at least one opening or hole that places the internal chamber in fluid communication with an exterior area or portion of the spinal implant. In one embodiment, at least one of the two lateral walls comprises an access port. The method additionally includes positioning the spinal implant between two adjacent vertebrae of a patient and directing at least one graft and/or other fill material into the internal chamber of the spinal implant through the access port. In some embodiments, at least a portion of the graft and/or other fill material delivered into the internal chamber is configured to exit through the one or more of the openings of the anterior wall. | 09-22-2011 |
20110230971 | ARCUATE FIXATION MEMBER - Arcuate fixation members with varying configurations and/or features are provided, along with additional components for use therewith in provided intervertebral implants. The arcuate fixation members may be of different lengths, cross sectional geometries, and/or cross sectional areas. Applications of intervertebral implants utilizing arcuate fixation members are particularly suitable when a linear line-of-approach for delivering fixation members is undesirable. | 09-22-2011 |
20110238183 | Interbody Fusion Device - An interbody fusion device, or bone dowel for mending of joints is disclosed herein. The device comprises anti-migration ridges having optimum geometry to avoid failure during the insertion process while providing boney ingrowth in the body's natural healing process. A tapered head portion and a cylindrical body without threads are further included herein. Also, the device provides novel means for engagement to an insertion tool. Additional methods are disclosed herein to maintain and insert a device without torsional stresses due to torquing. | 09-29-2011 |
20110238184 | METHODS AND INSTRUMENTS FOR INTERBODY FUSION - A laparoscopic surgical technique is provided for preparing a site for implantation of a novel fusion device or implant. In accordance with one embodiment of the technique, a laparoscope is provided having an outer sleeve with distraction fingers at one end to distract the disc space. The laparoscope provides a sealed working channel to the disc space, through which the disc space is distracted, the vertebral endplates and surrounding disc is reamed, and the fusion device inserted. A distraction plug is provided for centering the outer sleeve and for providing midline distraction of the disc space. In one embodiment, a fusion device includes diverging bone screws passing through an end wall and upper and lower walls of the device to engage the adjacent vertebrae. In another embodiment, a connector plate is engaged to bilaterally position fusion devices to prevent rotation and resist expulsion of the devices from the disc space. | 09-29-2011 |
20110238185 | INTERVERTEBRAL DISK IMPLANT - The invention relates to an intervertebral disk implant having two implant plates contacting prepared vertebral body surfaces in the implanted state and an implant core which can be introduced between the implant plates. The invention further relates to a method for the manufacture of an intervertebral disk implant. | 09-29-2011 |
20110245923 | INTERVERTEBRAL IMPLANT DEVICE FOR A POSTERIOR INTERBODY FUSION SURGICAL PROCEDURE - An intervertebral implant device, including: a pair of substantially parallel opposed arcuate surfaces; a pair of substantially parallel opposed frictional surfaces each including a plurality of raised structures; a substantially curved end wall joining the pair of parallel opposed arcuate surfaces; and a substantially recessed end wall joining the pair of parallel opposed arcuate surfaces; wherein the intervertebral implant device defines one or more voids in which a bone graft material is selectively disposed. Preferably, the substantially recessed end wall is configured to selectively and pivotably receive one or more surgical implantation devices. | 10-06-2011 |
20110245924 | Annulus-Reinforcing Band - A method and device for supporting bone graft including a porous enclosure having a first collapsed state and a second expanded state wherein the second expanded state is sized to conform to the excavated intervertebral cavity upon insertion of bone graft into the enclosure. | 10-06-2011 |
20110245925 | ALLOGRAFT SPACER FILLERS - An allograft spacer filler for filling a medullary canal of a spinal spacer. The spacer filler is adapted to be hydrated with bone marrow aspirate (BMA). Allograft spacer filler constructs are created out of fully demineralized cancellous tissue. The spacer fillers are used in bone grafting procedures in combination with BMA. In other words, the spacer fillers provide an environment in which cells can be added (i.e. autologous or allogenic cells). In addition, the spacer fillers expand upon rehydration and provide a maximum surface area for graft to endplate contact in the spine. The spacer fillers provide a matrix for incorporation of new bone, have shape memory, and are sized and shaped such that they fit within a lumbar spacer, other allograft spinal implants, or can be used in other applications where an allograft is used. | 10-06-2011 |
20110245926 | INTERVERTEBRAL SPACER AND METHODS OF USE - An intervertebral implant device is presented. When placed between vertebral bodies of the mammalian spine, the device can effect fusion between the vertebral bodies. The implant is formed in layers in an arcuate geometry, wherein placement is facilitated by the implant first adopting a generally linear geometry, and through the process of placement reassumes its intrinsic arcuate form. The central axis of the spacer/implant may be oriented in a generally vertical direction, and lying generally parallel to the spinal axis. The implant may comprise shape memory materials to cause shape transition and formation of the device in situ between vertebral bodies. | 10-06-2011 |
20110245927 | TISSUE SPACER IMPLANT, IMPLANT TOOL, AND METHODS OF USE THEREOF - Tissue spacer implants, surgical distraction instruments, surgical insertion tools, coupling devices, surgical kits, surgical methods for distraction, and methods for coupling bodies are disclosed. The tissue spacer implants include a first end member, a second end member, and an intermediate spacer member having a coupling mechanism adapted to couple the first end member with the intermediate spacer member and to couple the second end member with the intermediate spacer member. The surgical instruments may be used for inserting these implants and include a first elongated member, a second elongated member, a distraction mechanism, and an actuator. The coupling devices may be used to couple the components of the implants. | 10-06-2011 |
20110251689 | Intervertebral Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion to prevents the back out of screws from the screw holes and to secure the spacer portion to the plate portion of the intervertebral implant. | 10-13-2011 |
20110251690 | INTERVERTEBRAL IMPLANT - An intervertebral implant includes opposing upper and lower endplates that are configured to engage respective vertebral surfaces in an intervertebral space. The implant carries a plurality of bone fixation spikes that extend out from each endplate. The spikes define a plurality of outer surfaces that extend from a base to a tip. The spikes are laterally staggered, and have a height that increases along a longitudinal direction from the front toward the rear of the implant, and a define recess formed in at least one outer surfaces. | 10-13-2011 |
20110251691 | Expandable Vertebral Implant - The present invention relates to an expandable implant for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 10-13-2011 |
20110251692 | Expandable Vertebral Implant - The present invention relates to an expandable implant for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 10-13-2011 |
20110251693 | EXPANDABLE DEVICE FOR DISTRACTING SPINAL TISSUE SURFACES - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of interlocking expansion members or wafers. The like-configured wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. One of the interlocking features includes a plurality of prongs projecting from an upper surface of the wafers and into a recess defined in the lower surface of an adjacent previously inserted like-configured wafer. The prongs and recesses are configured to prevent retrograde movement of each new wafer in a direction opposite the direction of insertion. Other interlocking features prevent movement in the direction of insertion, transverse to the insertion direction and vertically within the stack. | 10-13-2011 |
20110257748 | ARTIFICIAL SPINAL IMPLANT - One embodiment of an artificial spinal implant includes an upper positioning unit comprising a first plate member; a lower positioning unit comprising a second plate member parallel to the first plate member; and an elastic member comprising a bent first elastic half and a bent, opposite, integral second elastic half wherein upper and lower ends of each of the first and second elastic halves are formed with the upper and lower positioning units respectively. The artificial spinal implant has the benefits of not contacting the critical elements of the nervous system housed in the spinal column in surgery and dispersing load on the artificial spinal implant. | 10-20-2011 |
20110257749 | INTERVERTEBRAL IMPLANTS HAVING HYDROMAGNETIC JOINTS - An intervertebral implant includes a first part attached to a first vertebrae, the first part including a first magnetic element having a first magnetically charged surface and a first buoyant element coupled with the first magnetic element, and a second part attached to a second vertebrae, the second part including a second magnetic element having a second magnetically charged surface that opposes the first magnetically charged surface of the first magnetic element and a second buoyant element coupled with the second magnetic element. The implant includes a fluid body, such as a liquid or gel, disposed between the first and second parts, whereby the first and second parts are in fluid communication with one another through the fluid body. A flexible enclosure extends between the first and second parts for containing the fluid body therebetween, whereby the first and second parts are moveable relative to one another. | 10-20-2011 |
20110257750 | EXPANDABLE VERTEBRAL BODY REPLACEMENT SYSTEM AND METHOD - Vertebral body replacement apparatuses, systems, and methods are provided. In various examples, an implantable device is configured to be inserted between a first vertebral body and a second vertebral body. The implantable device includes a first endplate configured to contact a superior endplate of the first vertebral body. A central member is pivotably coupled to the first endplate. A second endplate is configured to contact an inferior endplate of the second vertebral body. The implantable device includes a first insertion configuration and a second load-bearing configuration. The first insertion configuration includes the central member at a first angular position with respect to the first endplate. The second load-bearing configuration includes the central member at a second angular position with respect to the first endplate and the second endplate in a load-bearing position. | 10-20-2011 |
20110257751 | SELF-CONTAINED EXPANDABLE IMPLANT AND METHOD - Embodiments of the invention include expandable, implantable devices and methods having internally contained expansion mechanisms. Devices expand linearly to provide secure fixation between or among anatomical structures. In some embodiments, an implant replaces one or more vertebral bodies of the spine. | 10-20-2011 |
20110257752 | METHODS AND DEVICES FOR SPINAL DISC ANNULUS RECONSTRUCTION AND REPAIR - The present invention provides methods and devices for annulus disc repair with and without the use of a patch or stent. The methods and devices are particularly suited to the repair and/or reconstruction of the spinal disc wall (annulus) after surgical invasion or pathologic rupture, with reduced failure rate as compared to conventional surgical procedures. | 10-20-2011 |
20110264218 | INTERVERTEBRAL BODY IMPLANT, INSTRUMENT AND METHOD - Interbody implant systems and methods of implant interbody implants are described. In one aspect, an implant includes a body have a distal end portion and a proximal end portion and a first articulation surface formed at a distal end of the distal end portion. An insertion instrument includes an elongate shaft having a proximal end portion and a distal end portion; and a second articulation surface formed at a distal end of the distal end portion. The second articulation surface is configured to interface with the first articulation surface. An attachment member is configured to connect the implant to the insertion instrument. The attachment member is actuatable to compress the first and second articulation surfaces together in a locked configuration with sufficient force to prevent relative rotation between the first and second articulation surfaces. The attachment member is actuatable to reduce an amount of compression force existing in the locked configuration to place the first and second articulation surfaces in an unlocked configuration such that the first articulation surface can rotate relative to the second articulation surface. | 10-27-2011 |
20110264219 | SPACER FOR SPINAL FUSION - A spacer for use in a spinal fusion procedure includes a hollow, elongated body including a central portion adapted to contact the medullary bone portion of the vertebrae and nubs projecting in the elongated direction from the central portion and adapted to contact the apophyseal rings of the vertebrae. | 10-27-2011 |
20110264220 | DEVICE AND METHOD FOR DELIVERING RADIATION - Embodiments of the invention include a device for supplementing or replacing a spinal structure and therapeutically delivering radiation to tissue. Some embodiments include a plug with an integrated radiation source. The plug may be coupled to an interbody spinal implant or a vertebral body replacement implant. | 10-27-2011 |
20110264221 | Interspinous Fusion Device and Method - An interspinous fusion assembly includes a screw including a first end that includes at least one aperture, a second end inserted between the two spinous processes, a shank separating the first end from the second end. The shank includes an outer surface that includes cutting means and at least one hole bored through the surface. An inner chamber positioned in the shank and substantially along a longitudinal axis of the shank. The inner chamber includes the aperture of the first end and connects with the hole of the shank. A pair of complementary plates bilaterally positioned with respect to one another and accommodating the screw. A fastening mechanism positioned in one of the plates that retains a relative position of the pair of complementary plates constant with respect to one another. The pair of complementary plates includes a first plate and a second plate. | 10-27-2011 |
20110264222 | DEVICE FOR ESTABLISHING AN ANATOMICAL REFERENCE POINT OF AN INTERVERTEBRAL DISC - The disclosure relates to a device for establishing an anatomical reference point of an intervertebral disc for the attachment of at least one instrument intended for the implantation, through a posterior or posterolateral approach, of a disc prosthesis or osteosynthesis cage as a replacement for the intervertebral disc. The device includes at least two means for bone anchorage each intended to be attached to a vertebra adjacent to the disc, a coupling element for the instrument and elements for adjusting the position of the coupling element relative to the position of the disc. | 10-27-2011 |
20110264223 | SELF-ADJUSTING AND SELF-STABILIZING INTERVERTEBRAL DISC PROTHESIS - The present invention relates to an intervertebral disc prosthesis ( | 10-27-2011 |
20110264224 | METHODS AND APPARATUS FOR TREATING DISC HERNIATION AND PREVENTING THE EXTRUSION OF INTERBODY BONE GRAFT - Methods and apparatus for treating disc herniation provide a conformable device which assumes a first shape associated with insertion and a second shape or expanded shape to occlude the defect which typically follows partial discectomy. The device may take different forms according to the invention, including patches size to cover the defect or plugs adapted to fill the defect. In a preferred embodiment, however, the device is a gel or other liquid or semi-liquid which solidifies to occlude the defect from within the body of the disc itself. In another preferred embodiment, a mesh screen is collapsed into an elongated form for the purposes of insertion, thereby minimizing the size of the requisite incision while avoiding delicate surrounding nerves. Such a configuration also permits the use of instrumentation to install the device, including, for example, a hollow tube or sheath adapted to hold the collapsed screen, and a push rod to expel the collapsed device out of the sheath for use in occluding the disc defect. A device according to the invention may further include one or more anchors to assist in permanently affixing the device with respect to the defect. | 10-27-2011 |
20110264225 | APPARATUS AND METHOD FOR CREATING AN IMPLANTATION SPACE IN A SPINE - An apparatus used in spinal surgery for creating a space of selected shape and dimensions across the disc space between adjacent vertebral bodies of the spine. | 10-27-2011 |
20110264226 | Intervertebral Disk Prosthesis Provided with Anchor Means - An intervertebral disk prosthesis is provided. The prosthesis comprises: a first plate for engaging a first vertebral body, said first plate comprising a first slot formed through the first plate; a second plate for engaging a second vertebral body, said second plate comprising a second slot formed through the second plate; a first anchor member, said first anchor member positioned and slidable through the first slot and having a sharp edge for penetrating into the first vertebral body; and a second anchor member, said second anchor member positioned and slidable through the second slot and having a sharp edge for penetrating into the second vertebral body. The first plate and the second plate engage with one another by way of complimentary concave and convex spherical cap portions to provide relative movement between the first plate and the second plate. | 10-27-2011 |
20110264227 | VERTEBRAL ANCHORING METHODS - Embodiments of the invention relate generally to tissue anchors and methods of delivering same to the intervertebral disc or other sites within the body. In some embodiments, the anchors provide pull-out resistance, stability and/or maximize contact with tissue involving a minimum amount of penetration. In some embodiments, delivery methods are minimally invasive and include linear, lateral, and off-angle implantation or driving of anchors along, against or within tissue surfaces. | 10-27-2011 |
20110264228 | Method of Providing Spinal Interbody Fusion - An apparatus and method is provided for interbody fusion including distracting, in a given direction, and supporting opposing vertebral bodies. A plurality of wafers are consecutively inserted between the vertebral bodies to create a column of wafers. The column of wafers is oriented between the vertebral bodies so as to expand in the given direction as the wafers are consecutively added to the column. | 10-27-2011 |
20110270399 | Mechanical Apparatus and Method for Artificial Disc Fusion and Nucleus Replacement - The present invention relates to a device and method to perform 1) disc fusion, 2) artificial replacement of the nucleus, 3) artificial replacement of the annulus, or 4) artificial replacement of both the nucleus and annulus. The device is designed to be placed into the intervertebral space following discectomy. The invention includes a delivery catheter and an substantially fixed sized mesh loop with a lumen within the mesh loop and a center hole. The mesh loop partially self expands diametrically in diameter upon removal of the introducer sheath and can be further expanded by mechanical means. | 11-03-2011 |
20110270400 | PHASE TRANSITIONING HYDROGELS - A method of forming and the resulting hydrogel composition comprising poly(vinyl alcohol) at a final concentration of about 20% (w/w) to about 65% (w/w) and polyethylene glycol at a final concentration of about 2% (w/w) to about 20% (w/w), wherein the hydrogel composition has a total polymer content, above about 30% (w/w), higher than the total polymer content of a precursor polymer solution formulated prior to the formulation of the hydrogel composition. The hydrogel composition may further comprise poly(vinyl pyrrolidone) at a fmal concentration of about 0.10% (w/w) to about 0.75% (w/w). | 11-03-2011 |
20110270401 | SYNTHETIC REINFORCED INTERBODY FUSION IMPLANTS - Interbody fusion implants that include a load bearing body composed of a calcium phosphate material hardened around one or more structural reinforcing members are provided. The reinforcing members aid the load bearing body in resisting bending forces and, in certain forms, aid in preventing expulsion of the implant after implantation. Methods for promoting fusion bone growth in the space between adjacent vertebrae and methods for making the inventive implants are also provided. | 11-03-2011 |
20110270402 | DEVICES AND TECHNIQUES FOR A POSTERIOR LATERAL DISC SPACE APPROACH - This invention relates to devices and instruments for implant insertion through a posterior lateral opening to the disc space. The instruments include an implant inserter, and the devices include a spinal fusion implant engageable by the implant inserter. The implant provides bilateral support of the adjacent vertebrae when inserted into the disc space from a postero-lateral approach. | 11-03-2011 |
20110276140 | METHOD AND APPARATUS FOR IMPLANTING A HYDROGEL PROSTHESIS FOR A NUCLEUS PULPOSUS - An instrument for inserting an elongated hydrogel prosthesis into an intervertebral disc includes an insertion cannula that is inserted through the annulus fibrosus of an intervertebral disc to provide access to the nucleus region of the disc, an elongated hydrogel prosthesis packaged within a tubular container adapted to be coupled to a proximal end of the insertion cannula, and a source of fluid pressure adapted to be coupled to a proximal end of the tubular container. Auxiliary instruments for use in convenient insertion of the insertion cannula through the nucleus pulposus and providing for a complete and controlled passage of the hydrogel prosthesis through the insertion cannula are provided in a kit with the insertion cannula. A sizing apparatus for determining the volume of prosthesis to be inserted includes a catheter or cannula capable of being inserted through the insertion cannula into the nucleus region of the intervertebral disc and having at its distal end a balloon capable of being inflated within the intervertebral disc with a measurable volume of a fluid in order to determine the amount of hydrogel prosthesis to be injected. | 11-10-2011 |
20110276141 | INTERVERTEBRAL SPACER, SYSTEM AND METHOD TO DISTRACT ADJACENT VERTEBRAE AND INSERT A SPACER - Intervertebral spacer being a longitudinal body with a cross-section that has a long axis and a short axis, at least one component of which may be deployed following an axis that is essentially perpendicular to the longitudinal body's long axis and to the axis of the spine. | 11-10-2011 |
20110276142 | Articulating Spacer - Spinal implants are disclosed. One spinal implant includes a support body, an articulating element, a blocking member and a motion limiting member. The support body includes a superior end surface and a lower end surface having teeth. In between the superior end surface and the lower end surface is a recess formed in a sidewall of the support body for receiving the articulating element. The blocking member can be received in the recess to prevent inadvertent back-out of the articulating element from within the recess. The articulating element can articulate in one or more directions, thereby allowing articulation of the spinal implant into a desired position within a disc space. | 11-10-2011 |
20110282453 | FIXATION DEVICE AND METHOD - An implantable orthopedic stability device is disclosed. The device can have a contracted and an expanded configuration. A method of using the device between adjacent vertebral body surfaces surfaces for support and/or fixation of either or both of the adjacent vertebrae is also disclosed. | 11-17-2011 |
20110282454 | Interbody Spinal Implant Having Internally Textured Surfaces - An interbody spinal implant including a body, the body comprising: a top surface; a bottom surface; opposing lateral sides; and opposing anterior and posterior portions; the top surface, bottom surface, opposing lateral sides, internal wall surface, and opposing anterior and posterior portions defining a substantially hollow center having a single vertical aperture defining an internal wall surface, the single vertical aperture (a) extending from the top surface to the bottom surface, (b) having a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and (c) defining a transverse rim, wherein at least a portion of the internal wall surface has a roughened surface topography. | 11-17-2011 |
20110282455 | Stackable Intervertebral Devices and Methods of Use - An intervertebral device for spacing apart vertebral members comprises a plurality of stackable shims including at least a first shim and a second shim. The first shim includes a first body with a first portion of a male-female connector, and a removable guide that is affixed to the first body and extends along at least a portion of the first body. The second shim includes a second body with a second portion of the male-female connector. A longitudinal passage extends through the second body and is sized to receive the guide on the first body. The second shim is moveable relative to the first shim with the guide disposed in the passage between a disengaged position and an engaged position. In the engaged position, the first shim is stacked on the second shim. | 11-17-2011 |
20110282456 | IMPLANTABLE DEVICE FOR SEALING A SPINAL ANNULAR FISSURE TEAR AND METHOD FOR DEPLOYING THE SAME - The present application relates to an implantable device ( | 11-17-2011 |
20110282457 | CONNECTABLE INTERBODY IMPLANT - An intersomatic implant ( | 11-17-2011 |
20110282458 | IMPLANTABLE SPINAL DISK - Spinal disk including a shell, first endplate, second endplate and core. The shell includes sidewalls, back wall, front wall, top wall and bottom wall defining a compartment. The first endplate includes a first base, first top and first attachment. The first base is retained in the compartment. The first top is disposed in a first opening in the top wall forming a contact surface continuous with a surface of the top wall. The first attachment extends from the first top portion. The second endplate includes a second base, second top and second attachment. The second base is retained in the compartment. The second top is disposed in a second opening in the bottom wall forming a contact surface continuous with a surface of the bottom wall. The second attachment extends from the second top portion. The core is disposed in the compartment between the first endplate and the second endplate. | 11-17-2011 |
20110282459 | ARTICULATING INTERBODY SPACER, VERTEBRAL BODY REPLACEMENT - An interbody spacer implant assembly for interbody fusion in a vertebral body and a method of insertion comprises a plurality of links and an elongated connector mechanism adapted to retain the plurality of links and allow the plurality of links to articulate with respect to one another. An interbody spacer implant apparatus for interbody fusion in a vertebral body comprises a plurality of individually articulating links and a connector mechanism adapted to retain the plurality of links and allow the plurality of links to articulate with respect to one another, wherein the connector mechanism is dimensioned and configured to have a length-to-width ratio greater than a length-to-width ratio of each of the plurality of links. The apparatus may further comprise an insertion rod adapted to insert the plurality of links and the connector mechanism into the vertebral body. | 11-17-2011 |
20110288645 | INTERVERTEBRAL PROSTHETIC SYSTEMS, DEVICES, AND ASSOCIATED METHODS - Intervertebral prosthetic systems, devices, and associated methods are provided. The present disclosure provides top and bottom endplates that engage the lateral walls of the vertebral bodies for stability and incorporate a compliant core, ball-and-socket core, fusion-cage core, or any other suitable type of motion-preserving or fusion cores. The endplate designs allow insertion through a unilateral approach yet still have engagement on both sides of the vertebral body to provide stability and reduce the risk of subsidence. In some instances, saddle style endplates are inserted and then rotated to engage the lateral walls of the vertebral bodies. In other instances, hinged style endplates are inserted in a first orientation and then at least one end portion is pivoted to a second orientation so that the endplates engage the lateral walls of the vertebral bodies. | 11-24-2011 |
20110288646 | ARTIFICIAL TOTAL LUMBAR DISC FOR UNILATERAL SAFE AND SIMPLE POSTERIOR PLACEMENT IN THE LUMBAR SPINE, AND REMOVEABLE BIFUNCTIONAL SCREW WHICH DRIVES VERTICAL SLIDING EXPANSILE PLATE EXPANSION, AND INTERPLATE WIDENING, AND ANGLED TRACTION SPIKES - A total artificial expansile disc and a method for posterior insertion between a pair of vertebral endplates are disclosed. The total artificial expansile disc includes at least one pair of substantially parallel plates that move apart along a first axis, in order to occupy a space defined by the vertebral endplates. In another embodiment, each of substantially parallel plates includes a first plate and a second sliding plate. An expansion device or tool is used to move the substantially parallel pair of plates apart along the first axis. A core is disposed between the pair of plates, and the core permits the vertebral endplates to move relative to one another. A ball limiter or ball extender prevents the core from being extruded from between the substantially parallel plates. | 11-24-2011 |
20110288647 | METHODS FOR TREATING A DEFECT IN THE ANNULUS FIBROSIS - Methods for treating a defect in an annulus fibrous are described. The annulus fibrosis has an outer layer, at least one inner layer, and a defect extending through the outer and inner layers. An implant is inserted into the defect in the annulus fibrosis, the implant having at least one aperture. The implant is advanced distally beyond the outer layer in the annulus fibrosis and positioned to occlude the defect. An elongate fixation element is inserted through the at least one aperture, the elongate fixation element having a first end region and a second end region. The elongate fixation element is positioned such that the first end region is within the at least one aperture. The second end region of the elongate fixation element is anchored to the annulus fibrosis. The implant prevents escape of nucleus pulposus through the defect. | 11-24-2011 |
20110295371 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT CALIBRATED STAPLING DEVICES FOR SPINAL FUSION - A self-drilling bone fusion screw apparatus is disclosed which includes at least first and second sliding boxes. A first screw member having a tapered end and a threaded body is disposed within the first sliding box, and a second screw member having a tapered end and a threaded body disposed within the second sliding box. An adjuster adjusts the height of the sliding boxes. The screw members are screwed into vertebral bodies in order to fuse the vertebral bodies together. A plurality of the self-drilling bone fusion screw apparatuses may be attached together and/or integrated via a plate or cage. Also disclosed is a cervical facet staple that includes a curved staple base and at least two prongs attached to the bottom surface of the curved staple base. | 12-01-2011 |
20110295372 | SPINAL SYSTEM AND METHOD INCLUDING LATERAL APPROACH - Embodiments of the invention include devices and methods for implanting a vertebral body spacer. A lateral surgical approach is contemplated with some disclosed procedures. Instruments of some embodiments are insertable into a disc space to achieve distraction, to determine a desired disc space height, and to select a corresponding implant. | 12-01-2011 |
20110295373 | MINIMALLY INVASIVE SPINAL DISTRACTION DEVICES AND METHODS - Systems are provided for reducing the complexity and invasiveness of spinal stabilization procedures and provide an expandable device deliverable to a spinal implantation location. The expandable device can be delivered through a minimally invasive access portal and expanded at the implantation location to manipulate one or more bony structures or maintain a configuration of one or more bony structures. | 12-01-2011 |
20110295374 | IMPLANTABLE JOINT PROSTHESIS - The invention relates to a surgical implant that provides an artificial diarthroidal-like joint, suitable for use in replacing any joint, but particularly suitable for use as an intervertebral disc endoprosthesis. The invention contains two rigid opposing shells, each having an outer surface adapted to engage the surfaces of the bones of a joint in such a way that the shells are immobilized by friction between their outer surfaces and the surfaces of the bone. These outer surfaces are sufficiently rough that large frictional forces strongly resist any slippage between the outer surface and the bone surfaces in the joint. They may be convex, and when inserted into a milled concavity, are immediately mechanically stable. Desirably, the outer surfaces of the shells are adapted to allow for bony ingrowth, which further stabilizes the shells in place. The inner surfaces of the shells are relatively smooth, and adapted to slide easily across a portion of the outer surface of a central body disposed between the shells. The central body has a shape that cooperates with the shape of the inner surface of the shell so as to provide a range of motion similar to that provided by a healthy joint. A flexible sheath extends between edges of the opposing shells. The inner surface of this sheath, together with the inner surfaces of the rigid shells, defines a cavity encasing the central body. At least a portion of this cavity is filled with a fluid lubricant, further decreasing the frictional force between inner surfaces of the shell and the surface of the central body. | 12-01-2011 |
20110301710 | INTERVERTEBRAL IMPLANT FACILITATING UNILATERAL PLACEMENT, INSTRUMENTS AND METHODS - Implants, tools and methods for performing unilateral posterior lumbar interbody fusion are provided. An interbody implant includes a body having a top and bottom surface extending along a length thereof; and first and second side surfaces extending between the top and bottom surfaces on opposite sides of the body. The height of the first side surface is greater than the height of the second side surface. | 12-08-2011 |
20110301711 | SYSTEM AND METHODS FOR A LATERALLY EXPANDING IMPLANT - An implant for a spinal column and a method for inserting the same into a patient is disclosed. The implant includes an elongated body positionable in a spinal disc space. The body comprises a first body member and a second body member that each include at least one wedge extending into an interior cavity. A front bracket is connected with a leading portion of the first and second body members and a rear bracket connected with a trailing portion of said first and second body members. The brackets allow the first and second body members to move between an expanded state and an unexpanded state. An expansion component is positioned within the interior cavity when the implant is in an expanded state and the implant is then positioned in an unexpanded state. The expansion component includes at least one inverted wedge in engagement with the wedge of the first and second body members. The inverted wedge is operable to cause the first and second body members to expand way from one another to the expanded state. A bone graft member is then inserted into the interior cavity defined by the first and second body members. | 12-08-2011 |
20110301712 | SYSTEM AND METHODS FOR A LATERALLY EXPANDING IMPLANT - An implant for a spinal column and a method for inserting the same into a patient is disclosed. The implant includes an elongated body positionable in a spinal disc space. The body comprises a first body member and a second body member that each include at least one wedge extending into an interior cavity. A front bracket is connected with a leading portion of the first and second body members and a rear bracket connected with a trailing portion of said first and second body members. The brackets allow the first and second body members to move between an expanded state and an unexpanded state. An expansion component is positioned within the interior cavity when the implant is in an expanded state and the implant is then positioned in an unexpanded state. The expansion component includes at least one inverted wedge in engagement with the wedge of the first and second body members. The inverted wedge is operable to cause the first and second body members to expand way from one another to the expanded state. A bone graft member is then inserted into the interior cavity defined by the first and second body members. | 12-08-2011 |
20110301713 | INTERVERTEBRAL IMPLANT AND FACE PLATE COMBINATION - An intervertebral implant assembly includes an implant member and a retention member. The implant member includes a body portion and an attaching portion. The body portion includes first and second surfaces adapted to engage first and second vertebral bodies, respectively. The attaching portion defines a first guide portion that leads into the first surface. The retention member is detachably coupled to the attaching portion of the implant member. In particular, the attaching portion of the implant member is at least partially disposed in the retention member. The retention member defines an access bore configured and dimensioned to receive a bone screw therein. The access bore is in communication with the first guide portion, whereby when the bone screw is inserted through the access bore the bone screw is directed to the first vertebral body through the first guide portion. | 12-08-2011 |
20110301714 | EXPANDABLE INTERVERTEBRAL IMPLANT - An intervertebral implant assembly includes first and second support members and a retention member. The first and second support members are configured to engage first and second vertebral bodies, respectively. The first and second support members define first and second guide portions, respectively. In particular, the first and second support members are slidably movable relative to each other. The retention member includes a face plate and an arm member extending from the face plate. The arm member is disposed between the first and second support members to maintain a relative position of the first and second support members. The face plate defines an access through hole in communication with the first and second guide portions. | 12-08-2011 |
20110301715 | DYNAMIC GUARD AND METHOD FOR USE THEREOF - A guard and method for guiding a bone removal device to form an implantation space in the human spine and, if desired, for inserting a spinal implant into the implantation space. | 12-08-2011 |
20110307063 | Spinal Tissue Distraction Devices - Spinal tissue distraction devices that include at least one guide member for guiding a distraction device to a location between layers of spinal tissue. The guide member has a proximal end portion and a distal end portion. The distal end portion is adapted for insertion between the tissue layers and defines a shape of a desired support structure. The distraction device is slidably mounted on the guide member for advancing the distraction device distally along the guide member for insertion of the distraction device between the tissue layers. The distraction device substantially conforms to the shape defined by the distal end portion of the guide member to form a support structure that separates, supports or both separates and supports the tissue layers. | 12-15-2011 |
20110307064 | Methods Of Distracting Tissue Layers Of The Human Spine - Methods of separating and/or supporting layers of tissue in the human spine. Such methods generally comprise inserting at least a distal end portion of a guide member between layers of tissue in the human spine wherein the distal end portion defines a predetermined shape. A distraction device is advanced over at least the distal end portion of the guide member so that the distraction device substantially assumes the predetermined shape of the distal end portion of the guide member to form a support structure between the tissue layers that separates and/or supports the tissue layers. | 12-15-2011 |
20110307065 | ADJUSTABLE VERTEBRAL SPACER FOR VERTEBRAL RECONSTRUCTION - An adjustable vertebral spacer includes a spacer body, a movable member coupled to the spacer body, an adjustment ring mounted on the spacer body and rotatable to move the movable member and to further adjust the combined height of the spacer body and the movable member, a lock ring mounted on the spacer body for locking the movable member to the adjustment ring, and a top endplate coupled to the movable member at the top and tiltable to fit the angle of the adjacent upper vertebral body during surgery operation. | 12-15-2011 |
20110307066 | Spacer with Height and Angle Adjustments for Spacing Vertebral Members - A device to space vertebral members that may include a deploying device with a first member with an elongated first shaft and a first body at an end of the first shaft, a second member with an elongated second shaft that extends around the first shaft and a second body at an end of the second shaft, and a third member with an elongated third shaft that extends around the second shaft and a third body at an end of the second shaft. The device may include a first plate positioned on a first side of the deploying device, and a second plate positioned on a second side of the deploying device. First, second, and third jointed linkages may be spaced apart along the deploying device and each having a pair of links and each having a first end attached to the first plate, a second end attached to the second plate, and an intermediate joint connecting the pair of links together and being attached to the deploying device. | 12-15-2011 |
20110313528 | STANDALONE INTERBODY FUSION DEVICE WITH LOCKING AND RELEASE MECHANISM - An implantable assembly includes an anchor member and a spacer. The anchor member has a hub portion and a shank portion. The spacer includes a central opening to receive bone fusion material and at least one passage for receiving the anchor member. In one embodiment, the passage includes first and second means for locking the anchor member in the passage against backout. The second means for locking the anchor member in the passage against backout includes means for centering the anchor member in the passage and means for stabilizing the anchor member in the passage. In addition, the second means for locking the anchor member in the passage against backout provides a mechanical advantage to assist in driving the screw into bone and mechanical advantage to assist in reversing the screw out of the spacer. | 12-22-2011 |
20110313529 | Tissue Removal Tools And Methods Of Use - Discectomy or disc preparation system that includes a guide member that is changeable from a deployment configuration for insertion into an intervertebral disc space to a deployed configuration upon being deployed into the intervertebral disc. The system also includes at least one tissue manipulator, such as cutting, scraping and extraction elements, that can be moved or tracked longitudinally along the guide member into and through the intervertebral disc space. | 12-22-2011 |
20110313530 | System And Methods For Performing Surgical Procedures and Assessments - The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system. | 12-22-2011 |
20110313531 | IMPLANT FOR INTERVERTEBRAL SPACE - An implant for an intervertebral space with a shaped body. The implant makes possible rotation of the implant about the longitudinal axis of the body in one direction and prevents such rotation in the opposite direction. | 12-22-2011 |
20110319998 | Universal Trial for Lateral Cages - A method of trialing an intervertebral disc space, comprising the steps of:
| 12-29-2011 |
20110319999 | Lateral Spondylolisthesis Reduction Cage - An intervertebral fusion device comprising inferior and superior fusion cage devices that provide an ability to correct spondylolisthesis via in-situ adjustment. | 12-29-2011 |
20110320000 | Multi-Segment Lateral Cage Adapted to Flex Substantially in the Coronal Plane - The present invention concerns several fusion devices and methods for laterally inserting a fusion device at an initial trajectory that is not parallel to the disc space. Each fusion device incorporates components that enable flexing, bending or pivoting of the device during its final approach to the prepared disc space. | 12-29-2011 |
20110320001 | REVISION SPACER - An intervertebral fusion device for promoting fusion of first and second vertebrae comprises first and second endplate modules. Each endplate module includes an outer surface adapted to interface with vertebral bone and an opposite inner surface. The endplate modules further include an attachment feature. A central module is adapted to extend between the first and second endplate modules and is further adapted for connection with the attachment feature. A through passage extends through the outer and inner surfaces of the each of the first and second endplates and through the central module. | 12-29-2011 |
20110320002 | SPINAL FUSION IMPLANT - The present invention provides a device and methodology for use in spinal fusion surgeries. An implant is proved for forming a rigid structure between adjoining vertebrae in a patient. The implant is a cage defined by at least a first end, second end, first side, and second side surface, wherein first and second side surfaces extend substantially parallel to each other to span a space between adjoining vertebrae and first and second ends interconnect said first side surface and second side surface. The cage incorporates one or more flexible joints that allow the cage to be deformed for insertion into a patient. The ability to deform the cage allows a greater ease and flexibility in inserting and positioning the implant. | 12-29-2011 |
20110320003 | Artificial Spinal Disc - An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate. | 12-29-2011 |
20120004729 | Minimally invasive apparatus to manipulate and revitalize spinal column disc - A method and apparatus are provided to manipulate and revitalize a spinal column disc while minimizing or preventing the removal of material comprising the disc. The method allows a device to be inserted in the disc either through a pre-existing rupture or through an opening formed in the front, back, or sides of the disc. Increasing the space between the vertebra bounding the disc or removing disc material often is not necessary to insert the device in the disc. The device generates internal traction or other forces acting on the disc to alter the shape of the disc. The shape of the disc is altered to relieve pressure on nerves adjacent the disc. The shape of the disc is also altered to draw nuclear hernias back into the interior of the disc and to produce a disc shape that improves functioning of the disc. | 01-05-2012 |
20120004730 | End cap and connector for a spinal implant - The present invention is a spinal implant that can be inserted into a surgically created cavity of one or more regions of the mammalian spine. Among other things, the biocompatible implant and end cap or biocompatible implant, connector and end cap combinations can assist with the restoration of the normal anatomic spinal alignment and spinal stability. | 01-05-2012 |
20120004731 | DEPLOYABLE SEGMENTED TLIF DEVICE - A segmented intervertebral body fusion support includes a plurality of segments, the segments including an initial segment, a final segment and at least one intermediate segment. The intermediate segment has a generally trapezoidal configuration and the initial and final segments include tapered side walls providing triangular gaps between adjacent segments. A draw wire is fixed to the first segment and passes through the remaining segments. By pulling the draw wire relative to the segments, the segments are drawn together in a generally arcuate configuration. The draw wire includes an enlargement that passes through the final segment and engages a plurality of fingers on the final segment, which prevents the draw wire from retracting, maintaining the arcuate configuration. The segmented device can be inserted through a laparoscopic device into the intervertebral space and can be subsequently drawn into the arcuate configuration to establish the desired intervertebral spacing. | 01-05-2012 |
20120004732 | Minimally Invasive Collapsible Cage - An articulating fusible support cage comprises a first support member having a first and second end and a second support member having a first and second end. A first end cap is pivotally connected to the first and second support members at the first ends. The first end cap supports a jackscrew for rotation. A second end cap is pivotally connected to the first and second support members at the second ends opposite the first ends. The second end cap has a threaded sleeve configured to engage a portion of the jackscrew. Rotation of the jackscrew into the threaded sleeve causes the first and second support members to extend outwardly from a collapsed condition to a deployed condition. | 01-05-2012 |
20120010714 | BI-DIRECTIONAL FIXATING/LOCKING TRANSVERTEBRAL BODY SCREW/INTERVERTEBRAL CAGE STAND-ALONE CONSTRUCTS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT STAPLING GUNS AND DEVICES FOR SPINAL FUSION - A bi-directional fixating transvertebral (BDFT) screw/cage apparatus, a posterior lumbar facet staple and a staple gun for a posterior lumbar facet staple, a posterior cervical facet joint staple, and a staple gun for a posterior cervical facet joint staple are provided. The BDFT apparatus includes an intervertebral cage including a plurality of internal angled screw guides, a plurality of screw members, and a screw locking mechanism that prevents the screw members from pulling out of the internal angled screw guides. The internal angled screw guides orient a first screw member superiorly and a second screw member inferiorly. The intervertebral cage is adapted for posterior lumbar intervertebral placement, anterior lumbar intervertebral placement, anterio-lateral thoracic intervertebral placement, or anterior cervical intervertebral placement. | 01-12-2012 |
20120010715 | METHOD OF RETROPERITONEAL LATERAL INSERTION OF SPINAL IMPLANTS - A method is disclosed for introducing a spinal disc implant into an intervertebral space of a subject. The subject is placed in a lateral position, and the anterior face of the spinal disc intervertebral space is accessed, between the L5 and S1 vertebrae, from an anterior and lateral retroperitoneal approach. An operative corridor to the anterior face of the spinal disc space is established by introducing a retractor instrument anterolaterally to the spinal disc space between the anterior superior iliac spine and the anterior inferior iliac spine. The damaged spinal disc contents are removed from the intervertebral space through the operative corridor, and the implant is advanced into the intervertebral space at an oblique angle and pivoted to position the implant substantially laterally within the intervertebral space. Elongated retractor and insertion instruments, as well as a modified disc implant, are also disclosed for carrying out the method. | 01-12-2012 |
20120010716 | INSERTION DEVICE FOR USE DURING RETROPERITONEAL LATERAL INSERTION OF SPINAL IMPLANTS - A method is disclosed for introducing a spinal disc implant into an intervertebral space of a subject. The subject is placed in a lateral position, and the anterior face of the spinal disc intervertebral space is accessed, between the L5 and S1 vertebrae, from an anterior and lateral retroperitoneal approach. An operative corridor to the anterior face of the spinal disc space is established by introducing a retractor instrument anterolaterally to the spinal disc space between the anterior superior iliac spine and the anterior inferior iliac spine. The damaged spinal disc contents are removed from the intervertebral space through the operative corridor, and the implant is advanced into the intervertebral space at an oblique angle and pivoted to position the implant substantially laterally within the intervertebral space. Elongated retractor and insertion instruments, as well as a modified disc implant, are also disclosed for carrying out the method. | 01-12-2012 |
20120010717 | SPINAL IMPLANT FOR USE DURING RETROPERITONEAL LATERAL INSERTION PROCEDURES - A method is disclosed for introducing a spinal disc implant into an intervertebral space of a subject. The subject is placed in a lateral position, and the anterior face of the spinal disc intervertebral space is accessed, between the L5 and S1 vertebrae, from an anterior and lateral retroperitoneal approach. An operative corridor to the anterior face of the spinal disc space is established by introducing a retractor instrument anterolaterally to the spinal disc space between the anterior superior iliac spine and the anterior inferior iliac spine. The damaged spinal disc contents are removed from the intervertebral space through the operative corridor, and the implant is advanced into the intervertebral space at an oblique angle and pivoted to position the implant substantially laterally within the intervertebral space. Elongated retractor and insertion instruments, as well as a modified disc implant, are also disclosed for carrying out the method. | 01-12-2012 |
20120016478 | INTERVERTEBRAL IMPLANT WITH MULTI-PIECE END CAP - Implants sized to be inserted into an intervertebral space between first and second vertebral members, and related methods. The spinal implant may have a body extending along a longitudinal axis with opposing first and second longitudinal ends. An end cap is mounted to the body at one of the ends and disposed longitudinally outboard of the corresponding end. The end cap comprises a first portion, a second portion, and an annular elastic element, such as an O-ring. The first and second portions are disposed circumferentially around the longitudinal axis. The annular elastic member circumferentially surrounds the first portion, the second portion, and the longitudinal axis. The annular elastic member applies a compressive force that urges the first and second portions together in a direction transverse to the longitudinal axis. The end cap may be flat or angled. Other implants and related methods are disclosed. | 01-19-2012 |
20120016479 | Rotating, locking, spring-loaded artificial disk - A rotating, locking, spring-loaded disk implant for stabilizing adjacent vertebrae. The implant is substantially rectangular in cross-sectional shape with minimal height and maximal width. The implant is inserted into the space between two adjacent vertebrae from which a portion of the intervertebral disk has been removed and, when positioned in the disk space, rotated to bring the sides of the rectangularly-shaped implant defining the width of the implant, with its larger dimension, into engagement with the bodies of the adjacent vertebrae. A portion of the implant is biased away from the implant and into contact with the adjacent vertebrae to provide a cushioning effect between the implant and the vertebra. A lock is then secured to the implant to resist further rotation of the implant in the disk space. | 01-19-2012 |
20120016480 | ARTIFICIAL INTERVERTEBRAL DISC IMPLANT - An intervertebral disc for placement between adjacent vertebrae comprising: an anterior side; a posterior side; a first lateral side; a second lateral side; an upper endplate having an inner surface and an outer surface, wherein the outer surface of the upper endplate is adapted for contacting a first vertebra; a lower endplate having an inner surface and an outer surface, wherein the outer surface of the lower endplate is adapted for contacting a second vertebra; and an elastic membrane extending from the inner surface of the upper endplate to the inner surface of the lower endplate and defining an inner volume that is at least partially filled with a fluid, wherein the elastic membrane is affixed to the inner surface of the upper endplate and to the inner surface of the lower endplate. | 01-19-2012 |
20120016481 | Linked Slideable and Interlockable Rotatable Components - Medical devices having one or more rotatable linkable components or segments, delivered in a first orientation relative to a component guide into a tissue cavity, such as the interbody vertebral space. After delivery, each segment may be rotated to a second, different orientation relative to the component guide, such as into a permanent vertical standing position. The segments achieve maximum distraction of the cavity space such as adjacent vertebra end plates, while using a minimal invasive surgical (MIS) approach. When the segments are tightened in place, the device provides long-term stability. The device can be used as a distraction instrument and/or permanent implant that can be used for interbody fusion, nuclear replacement, or anywhere in the body where a stable distraction of tissue and/or the implantation of material such as a device with an MIS approach is desired. | 01-19-2012 |
20120022651 | DIRECT LATERAL SPINE SYSTEM INSTRUMENTS, IMPLANTS AND ASSOCIATED METHODS - Apparatus, systems, and methods for spine surgery employ a guide wire temporarily anchored to a contralateral side of an intervertebral disc. The guide wire establishes a reliable pathway for passage and actuation of cannulated instruments or implants through a small working channel leading to an ipsilateral side of the disc. The guide wire may be disconnected and removed from the disc after use. | 01-26-2012 |
20120022652 | SPINE DISC REPLACEMENT WITH COMPLIANT ARTICULATING CORE - An intervertebral implant can include a pair of endplates between which is coupled a bag that is filled or is fillable with small beads or particles having smooth exterior geometries. The bead sack implant allows for articulation about various centers of rotation without a predefined neutral position. | 01-26-2012 |
20120022653 | COMPOSITE ORTHOPEDIC IMPLANT HAVING A LOW FRICTION MATERIAL SUBSTRATE WITH PRIMARY FRICTIONAL FEATURES AND SECONDARY FRICTIONAL FEATURES - An orthopedic implant comprising a substrate material adapted to provide the orthopedic implant. The implant has a primary friction area located on or integral with the substrate material. The primary friction area defining an engagement surface having a primary frictional feature. A secondary friction area is located on or integral with the engagement surface and defining a second frictional feature. The primary friction area and the secondary friction area defining a friction interface zone between the orthopedic implant and at least one bone. The secondary friction area increases a friction of the engagement surface and modulus of elasticity to enhance the frictional engagement between the engagement surface and the at least one bone. | 01-26-2012 |
20120022654 | VARIABLE HEIGHT INTERVERTEBRAL DEVICES AND METHODS FOR USE - Variable height intervertebral devices and method of employing the devices are disclosed. The devices and methods can maintain or re-establishing anatomic spacing along a spine and can ensure avoidance of long-term structural, neurological, vascular, and/or other systemic impairments. The intervertebral device includes a cylindrical body having a first end and a second end opposite the first end; a first disk threaded to the first end of the cylindrical body and a second disk mounted to the second end of the cylindrical body; means for rotating the cylindrical body whereby the first disk translates along the cylindrical body to vary the height of the device; and a plurality of pins mounted to one disk, the plurality of pins slidably engageable with a plurality of sleeves mounted to the other disk, the pins and sleeves inhibiting the first disk from rotating when the cylindrical body is rotated. | 01-26-2012 |
20120029639 | INTERBODY SPINAL IMPLANTS AND INSERTION TECHNIQUES - An implant for a spinal column is disclosed that is capable of being inserted into a patient in a first orientation having a reduced or minimum height and then rotated to a second orientation providing a second or maximum height, wherein in each orientation the height of the implant extends in a direction from one endplate toward the other endplate of adjacent vertebrae. The implant includes first and second side-by-side elongate members that are separately rotated from the first orientation to the second orientation after implantation. The first and second implant members are interconnected by a housing that maintains the first and second members in side-by-side relation. | 02-02-2012 |
20120029640 | VERTEBRAL IMPLANT END CAP - An implant and method for insertion between adjacent vertebral members. The implant comprising an implant body with a base section having a plurality of base extensions and securing depressions, and an end cap adapted for selective axial positioning at a selected point on the base section and subsequent rotational adjustment about an implant axis. The end cap also comprising a fixed aperture and a variable aperture, both configured to receive and lockingly engage corresponding base extensions and securing depressions to securely maintain the end cap positioned on the base section. The fixed and variable passages are configured and located to permit rotational end cap adjustment. The implant imparts end cap height and angulation to an adjacent vertebral body at the selected or desired point when the implant is positioned and lockingly engaged in the intervertebral space. | 02-02-2012 |
20120029641 | System and Methods for Spinal Fusion - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 02-02-2012 |
20120029642 | Apparatus and Methods for Inserting an Implant - Methods and apparatus for inserting an implant into a cavity provide for: disposing an implant between opposing first and second ramps of an implant insertion instrument; orienting first and second vertebral contact surfaces of the ramps such that they define an initial, non-zero angle therebetween; inserting the first and second ramps into an intervertebral space of a spine; advancing the implant distally along and between the ramps such that the first and second vertebral contact surfaces of the first and second ramps separate while holding the initial angle substantially constant. | 02-02-2012 |
20120029643 | RESTORATIVE DEVICE - The present invention provides a disc restoration system for relieving symptoms of a degenerative disc, comprising: a) a percutaneously insertable expandable element (88) adapted to be (i) inserted in between two adjacent vertebraes of the spinal cord; and, (ii) expanded to form a scaffold; said scaffold provides mechanical support to said two adjacent vertebraes so as to restore said degenerative disc to approximately the dimensions of a normal disc; b) an injectable filler having a first flowable state, and a second non-flowable set state; the filler is configured for being introduced, in said first flowable state, into a confined volume formed by the expandable element and the tissues, following the full expansion of said expandable element in said disc; and, following introduction of said filler, said filler is adapted to set into said second non-flowable state; such that following setting of said filler into said second state said disc is internally supported by said set filler. | 02-02-2012 |
20120029644 | Compliant Interbody Fusion Device with Deployable Bone Anchors - An interbody fusion implant with deployable bone anchors includes a support member, a monolithic body that accommodates the support member, and a longitudinal hole along a vertical length of the support member. The support member includes a first end and a second end. The second end includes two flanges. The flanges are configured to dig into an endplate of a vertebral body. The flanges of the support member provide a location fixation on an implantation of the interbody fusion implant into the vertebral body. The support member may also include at least one of a clip shaped support member and an I-shaped support member. The I-shaped support member may allow a rigidity and a support in flexion-extension through a living-hinge positioned in a middle of the I-shaped support member. The longitudinal hole sustains loads imported on the interbody fusion implant and allows the interbody fusion implant to flex freely. | 02-02-2012 |
20120029645 | SPINE SURGERY METHOD AND INSTRUMENTATION - Surgical instrumentation for use in placing an implant into a disc space between a pair of spinal vertebrae may include: (a) a distractor having a distal end that may be placed into the disc space between the pair of spinal vertebrae; (b) an inserter for use in moving the implant toward the disc space between the pair of spinal vertebrae; and, (c) a distractor/inserter rail/groove interconnection that interconnects the distractor and the inserter for relative movement thereby. | 02-02-2012 |
20120035730 | MINIMALLY-INVASIVE RETROPERITONEAL LATERAL APPROACH FOR SPINAL SURGERY - A method is disclosed for introducing a spinal disc implant into an intervertebral space of a subject. The subject is placed in a lateral position, and the anterior face of the spinal disc intervertebral space is accessed, between the L5 and S1 vertebrae, from an anterior and lateral retroperitoneal approach. An operative corridor to the anterior face of the spinal disc space is established by introducing a retractor instrument anterolaterally to the spinal disc space between the anterior superior iliac spine and the anterior inferior iliac spine. The damaged spinal disc contents are removed from the intervertebral space through the operative corridor, and the implant is advanced into the intervertebral space at an oblique angle and pivoted to position the implant substantially laterally within the intervertebral space. Elongated retractor and insertion instruments, as well as a modified disc implant, are also disclosed for carrying out the method. | 02-09-2012 |
20120035731 | INTERVERTEBRAL DISC PROSTHESIS - The invention relates to an intervertebral disc prosthesis ( | 02-09-2012 |
20120035732 | INTERVERTEBRAL PROSTHETIC DISC - A prosthetic disc for insertion between adjacent vertebrae includes upper and lower plates, a core disposed between the plates, and at least one projection extending from at least one of the upper and lower curved surfaces of the core into at least one recess of one of the inner surfaces of the plates. The recess is oversize with respect to the projection to allow sliding movement of the plate over the core while retaining the core between the plates during such sliding movement. The projection(s) may include a rod extending through an axial hole in the core, multiple surface features of the core, or the like. | 02-09-2012 |
20120041561 | INTERVERTEBRAL DEVICE HAVING EXPANDABLE ENDPLATES - An intervertebral implant having an endplate that can be slidably expanded following its placement in the intervertebral space. | 02-16-2012 |
20120041562 | Remotely Activated Piezoelectric Pump for Delivery of Biological Agents to the Intervertebral Disc and Spine - A remotely activated piezoelectric pump for delivery of biological agents to the intervertebral disc and spine in order to achieve spinal fusion. A spinal pump is implanted on the vertebrae of a patient and a spinal cage is inserted in between two adjacent vertebrae after removal of the vertebrae disc. A piezoelectric motor drives the pump and pushes osteogenetic agent through the spinal cage and into a sponge disposed within the cage. The pump is charged by an external removable induction belt worn by the patient. Delivery duration and delivery frequency may be changed before implantation of the spine pump according to the specific needs of the patient. The current device employs a mathematical model that enables the regulation as well as attenuation of the bone fusion process by extending and generalizing the model to enhance and optimize the delivery of osteogenetic agent in a regulated manner. | 02-16-2012 |
20120046748 | Expandable Intervertebral Spacer and Method of Posterior Insertion Thereof - An expandable intervertebral spacer has a plurality of arms. The arms can be retracted or extended. The spacer has a width that is narrower than the width between the nerve roots near the posterior approach to an intervertebral space. Once inserted into the intervertebral space, the arms can be deployed. The deployed arms expand the height and width of the spacer. Once deployed, the spacer stabilizes two adjacent vertebrae. The arms are interconnected mechanically to deploy simultaneously. | 02-23-2012 |
20120046749 | INTERSPINOUS SPACER AND FACET JOINT FIXATION DEVICE - A biologically implantable device including a spacer body and fasteners for fixing the spacer body in place between vertebrae, and a method for use of the device to improve intervertebral spacing and correct foraminal stenosis, and to immobilize facet joints and promote fusion of adjacent vertebrae to each other. A drill guide may be used in providing bores in the facet joints to receive the fasteners. | 02-23-2012 |
20120046750 | SPINAL FUSION CAGE - The invention is directed to a spinal fusion cage for implantation between two adjacent vertebrae, wherein the total cage has, under a load, a maximum compression that is higher than 0.05% of the original height of the spinal fusion cage and the maximum compression does not change the structural integrity of the cage. | 02-23-2012 |
20120046751 | VERTEBRAL BODY REPLACEMENT AND METHOD OF USE - Vertebral body replacements are provided, including at least one vertebral body replacement in the shape of an oblong object. The oblong vertebral body replacement includes a nose shape to provide as minimally invasive an installation as possible, serrations formed in the side wall of the body replacement's body to prevent expulsion once the body replacement is in place, a tapered asymmetric shape to provide spinal lordosis, and an integral protrusion for stability and to increase the bearing area to reduce contact pressure between the body replacement and the vertebral plate. Hollow passages are typically filled with bone tissue. The body is also provided with holes passing therethrough to promote tissue growth. | 02-23-2012 |
20120059473 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 03-08-2012 |
20120059474 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 03-08-2012 |
20120059475 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 03-08-2012 |
20120059476 | Method and Apparatus For Spine Joint Replacement - A prosthesis for the replacement of the cartilaginous structures of a spine motion segment is described. The prosthesis comprises an intervertebral disc prosthesis in combination with a facet joint prosthesis. | 03-08-2012 |
20120059477 | TOOLS AND METHODS FOR SPINAL FUSION - The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation. | 03-08-2012 |
20120059478 | INTERVERTEBRAL PROSTHETIC DISC WITH METALLIC CORE - A prosthetic disc for insertion between adjacent vertebrae includes a core having upper and lower curved surfaces and upper and lower plates. At least one of the curved surfaces of the core is metallic, and in some embodiments the entire core is metallic. Each plate has an outer surface which engages a vertebra and a metallic inner curved surface which is shaped to slide over one of the curved surfaces of the core. In some embodiments, the center of rotation of the core is free to move relative to the upper and lower metallic plates. In some embodiments, one or more channels extend across one or both of the curved surfaces of the core for allowing passage of bodily fluid to promote lubrication between the core and at least one of the plates. | 03-08-2012 |
20120059479 | APPARATUS AND METHOD FOR PERFORMING SPINAL SURGERY - An embodiment of an intervertebral prosthetic device for implantation in a spine includes a rigid fixation member and a compressible member. The fixation member is configured to be placed in a cavity of a first vertebral body and against bone of the first vertebral body. The compressible member is configured to be placed in a cavity in an intervertebral disc and to be secured to the first fixation member. Another embodiment includes two compressible members and one fixation member. In this embodiment, the first and second compressible members are sized to substantially replace the nucleus pulposus of first and a second intervertebral discs, respectively, on either side of a vertebral body. The fixation member is sized to fit within a cavity in the vertebral body between the first and second compressible members. | 03-08-2012 |
20120059480 | PERCUTANEOUS ARTHRODESIS METHOD AND SYSTEM - A method and system for percutaneous fusion to correct disc compression is presented. The method has several steps, for instance, inserting a percutaneous lumbar interbody implant; positioning guide wires for each facet screw to be implanted; performing facet arthrodesis in preparation for the facet screws; fixating the plurality of facet screws; and optionally performing foramen nerve root or central decompression. The system includes an implant, an elongate cannulated insertion tool, and an elongate lockshaft positioned within the insertion tool. | 03-08-2012 |
20120059481 | Spinal Fusion Cage, Method of Design, and Method of Use - A fusion cage of the present invention includes a first housing portion, a second housing portion, and an insert portion adapted to be received therebetween, wherein the geometry of the fusion cage corresponds substantially to the geometry of a void into which the fusion cage is to be inserted. Also described is a novel tool for insertion of a fusion cage and a novel method for designing a fusion cage or other surgical implant for filling a void identified within a patient. | 03-08-2012 |
20120059482 | Methods of Distracting Tissue Layers of the Human Spine - The present invention relates to methods of separating, supporting or both separating and supporting layers of tissue in the human spine. Such methods generally comprise inserting at least one member between layers of tissue in the human spine and changing the configuration of the member to define a support structure between the tissue layers. | 03-08-2012 |
20120065734 | INTERVERTEBRAL PLATE SYSTEM - Devices and methods are provided for assisting in spinal stabilization. An improved intervertebral plate system is provided that includes an intervertebral spacer, a curvilinear plate, a plurality of bone screws, a curvilinear cover element and a cover screw. The curvilinear plate is configured and arranged to at least inhibit the intervertebral spacer from backing out when positioned between the two vertebrae of a patient. The plate can be secured to one or more intervertebral bodies via a plurality of bone screws. The curvilinear cover element, which can have a smooth and uniform surface, can be attached to the plate. The cover element is configured to inhibit the plurality of bone screws from inadvertently backing out of the plate. The plate and/or the cover element can be substantially recessed within the intervertebral space, thereby reducing the risk of damage to tissue. | 03-15-2012 |
20120065735 | ANNULUS REPAIR SYSTEMS AND TECHNIQUES - Systems and methods for repairing annulus defects include at least one blocking member positionable in or adjacent to the annulus defect, at least one attachment portion for securing the blocking member to adjacent tissue, and instruments for placing and engaging the blocking member in and/or adjacent to the annulus defect. The blocking member extends at least partially across the annulus defect for repair of the defect and/or retention of nucleus material, one or more implants, bio-compatible materials or device, and/or other objects positioned in the disc space. | 03-15-2012 |
20120071978 | DISTRACTIBLE INTERVERTEBRAL IMPLANT - A distractible intervertebral implant configured to be inserted in an insertion direction into an intervertebral space that is defined between a first vertebral body and a second vertebral body is disclosed. The implant may include a first body and a second body. The first body may define an outer surface that is configured to engage the first vertebral body, and an opposing inner surface that defines a rail. The second body may define an outer surface that is configured to engage the second vertebral body, and an inner surface that defines a recess configured to receive the rail of the first body. The second body moves in a vertical direction toward the second vertebral body as the second body is slid over the first body and the rail is received in the recess. | 03-22-2012 |
20120071979 | Minimally invasive apparatus to manipulate and revitalize spinal column disk - A method and apparatus are provided to manipulate and revitalize a spinal column disc while minimizing or preventing the removal of material comprising the disc. The method allows a device to be inserted in the disc either through a pre-existing rupture or through an opening formed in the front, back, or sides of the disc. Increasing the space between the vertebra bounding the disc or removing disc material often is not necessary to insert the device in the disc. The device generates internal traction or other forces acting on the disc to alter the shape of the disc. The shape of the disc is altered to relieve pressure on nerves adjacent the disc. The shape of the disc is also altered to draw nuclear hernias back into the interior of the disc and to produce a disc shape that improves functioning of the disc. | 03-22-2012 |
20120071980 | STEERABLE SPINE IMPLANT AND SYSTEM - Embodiments of the invention being disclosed are directed to a spine implant that allows for in situ adjustment or steering during implantation which allows for precise placement. The structure of the device is composed of a series of hinged link components connected by dowel or shear pins allowing for the links to rotate with respect to each other. The steering feature of the device is activated by a series of tension members connected or coupled to the links. As the tension members are placed in tension, typically by pulling the appropriate member, forces are placed on the individual links to actuate/rotate them in a clockwise or counterclockwise direction. By controlling the rotation of the links, the device may be steered in the desired direction. | 03-22-2012 |
20120071981 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer also includes a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides decreases proximally to form a wedge having a leading edge proximate to the proximal end of the spacer. The wedge is sized and configured to aid distribution of bone graft material to either side of the wedge, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the wedge. | 03-22-2012 |
20120071982 | Anatomic spinal implant having anatomic bearing surfaces - The present application is directed to an interbody spinal implant having a structural configuration that provides for maintaining the normal anatomic relationship of two adjacent vertebrae of the spine. The spinal implant is sized to fit within the disc space created by the removal of disc material between two adjacent vertebrae and conform wholly, or in part, to the disc space created. The spinal implant of the present invention has first and second sides with upper and lower bearing surfaces that form a support structure for bearing against the end plates of the adjacent vertebrae. The upper and lower bearing surfaces of the first and second sides are shaped to create an anatomic fit with the endplates of the adjacent vertebrae. | 03-22-2012 |
20120071983 | BONE GRAFTS - Spinal spacers for fusion of a motion segment. A spinal spacer includes a body, which may be formed of a bone composition. The body includes a first end, an opposite second end, a superior face defining a superior vertebral engaging surface and an inferior face defining an inferior vertebral engaging surface. At least one of the vertebral engaging surfaces defines a set of migration resistance grooves. Each of the grooves includes a first face defining an angle of no more than about 90 degrees relative to the engaging surface and a second opposing sloped face. | 03-22-2012 |
20120071984 | METHOD FOR INSERTING AN ARTIFICIAL IMPLANT BETWEEN TWO ADJACENT VERTEBRAE ALONG A CORONAL PLANE - A method for inserting an artificial implant between two adjacent vertebrae along a corona plane, | 03-22-2012 |
20120078370 | SPINAL IMPLANTS - Disclosed are improved spinal implants that are configured to help prevent post-operative migration of the implant. In some embodiments, the implant system includes multi-axial tooth geometry and other geometrical configurations such as but not limited to peripheral curvatures that aid in the prevention of such post-operative migration. Also disclosed are asymmetrical implants having superior and inferior surfaces with different angulations relative to the sagittal midline. | 03-29-2012 |
20120078371 | FUSION CAGE WITH IN-LINE SINGLE PIECE FIXATION - Methods for securing a intervertebral cage to one or more levels of the spine with fixation. The fixation, which is typically a staple, is intended to be driven perpendicular to the proximal face of the cage and in-line with the inserter. After the cage is placed and positioned according to surgeon preference, a single piece fixation clip is then deployed and fixed in a manner that produces a zero-profile device. | 03-29-2012 |
20120078372 | NOVEL IMPLANT INSERTER HAVING A LATERALLY-EXTENDING DOVETAIL ENGAGEMENT FEATURE - A spinal implant inserter having a) an outer sleeve having a bore, and b) a forked inner shaft having a proximal rod and a pair of distal tynes extending therefrom, each distal tyne comprising an engagement feature having a laterally-extending dovetail feature. An assembly comprising the implant inserter and an implant having a pair of mating dovetail features. | 03-29-2012 |
20120078373 | STAND ALONE INTERVERTEBRAL FUSION DEVICE - An angled fixation device, such as an angled screw. This angled fixation device may be used by the surgeon to secure a spacer to a spinal disc space. The proximal end portion of the angled fixation device is driven perpendicular to the anterior wall of the spacer, and so is parallel to the vertebral endplates and in-line with the inserter. The distal end portion of the angled fixation device is oriented at about a 45 degree angle (plus or minus 30 degrees) to the vertebral endplate it enters. | 03-29-2012 |
20120078374 | SPINAL MIDLINE INDICATOR - A spinal midline indicator ( | 03-29-2012 |
20120083884 | SURGICAL IMPLANT WITH GUIDING RAIL - A prosthetic intervertebral spacer is disclosed. The spacer preferably includes a body and an interface extending away from the body for use during implantation of the spacer. Methods of implanting the spacer and tools used during such procedure are also disclosed. | 04-05-2012 |
20120083885 | METHOD OF INSERTING SURGICAL IMPLANT WITH GUIDING RAIL - A prosthetic intervertebral spacer is disclosed. The spacer preferably includes a body and an interface extending away from the body for use during implantation of the spacer. Methods of implanting the spacer and tools used during such procedure are also disclosed. | 04-05-2012 |
20120083886 | Disc Implant - A problem with total disc implant surgery appears to be the positioning of the implant which if not correct may lead to pain and eventually new surgery. The present invention relates to an improved disc implant ( | 04-05-2012 |
20120083887 | INTERVERTEBRAL DEVICE AND METHODS OF USE - A minimally invasive intervertebral implant includes a circuitous body defining a luminal axis extending longitudinally therethrough. The circuitous body includes proximal and distal ends oppositely disposed along a lateral axis of the circuitous body. Each of the proximal and distal ends includes an aperture disposed therethrough such that the circuitous body includes a first configuration wherein the proximal and distal ends are at a maximum separation and a second configuration wherein the proximal and distal ends are closer together than in the first configuration. | 04-05-2012 |
20120083888 | Disc Prosthesis having Remote Flexion/Extension Center of Rotation - An intervertebral disc prosthesis comprises a first endplate, a second endplate, and a bearing surface positioned between the first endplate and the second endplate. The bearing surface may be provided by a mobile bearing disc including a convex bearing surface configured to engage the first endplate and a concave bearing surface configured to engage the second endplate. The multiple bearing surfaces of the mobile bearing disc engage articulating surfaces on the endplates to form a plurality of articulating joints. Each articulating joint is configured to facilitate a particular type of movement for the segmental unit. Furthermore, each articulating joint is defined by a distinct center of rotation. The contact pair formed by the convex bearing surface of the bearing component and the concave bearing surface of the first endplate may provide a flexion/extension center of rotation for the prosthesis. | 04-05-2012 |
20120083889 | INTERVERTEBRAL DEVICE AND METHODS OF USE - An intervertebral device comprises a plurality of struts that are rotatably associated with each adjacent strut to form a modifiable inner volume V for bone graft containment. | 04-05-2012 |
20120083890 | ANTERIOR IMPACTED BONE GRAFT AND DRIVER INSTRUMENTS - Instrument and implants are disclosed which provide for insertion of an implant into an intervertebral disc space from multiple approaches to the spine. Specifically, as a preferred aspect of the invention the implant includes a tapered portion and the implant may be inserted from multiple approaches to the spine with the orientation and taper properly oriented in the disc space regardless of the approach. | 04-05-2012 |
20120083891 | CERVICAL INTERVERTEBRAL PROSTHESIS - A spinal implant includes two connection plates dimensioned for connection to adjacent vertebral bodies and a hinge core. The hinge core together with one connection plate forms a hinge between a generally spherical hinge extending from the one connection plate into an opening of a generally spherical depression in the hinge core. The opening is dimensioned to be elastically deformed to allow passage of the generally spherical hinge into the generally spherical depression. The hinge core bears on a slide surface which extends substantially parallel to the direction of the other connection plate and permits relative translatory movement of the hinge core. The walled receiving area limits this relative translatory movement of the hinge core. The stability of the spinal implant with respect to laterally incident forces is increased. | 04-05-2012 |
20120089228 | LORDOTIC EXPANDABLE INTERBODY IMPLANT AND METHOD - The present disclosure relates to an intervertebral implant that can be surgically introduced between adjacent vertebral bodies and adjusted or expanded in situ to occupy an optimal or desired space between the vertebral bodies. The implant is preferably inserted into the evacuated disc space obliquely and then oriented so as to extend laterally across the anterior adjacent vertebrae bodies occupying the disc space with the outer ends of the implant being supported by the cortical rims on the opposite sides of the vertebrae bodies. The implant has two body members with a space therebetween so the implant may be then distracted and a spacer of a, predetermined thickness may be inserted within the space between the body members so as to maintain a desired amount of distraction. The upper and lower surfaces of the implant may have a desired lordotic angle. A method of using an implant is also disclosed. | 04-12-2012 |
20120089229 | METHOD AND APPARATUS FOR INTERVERTEBRAL DISC SUPPORT AND REPAIR - An intervertebral disc device is provided to support or repair one or both of the disc annulus and the disc nucleus. The intervertebral disc device includes an annulus support and an elongated member to support the disc nucleus. The disc annulus support has an elongated wire and an annulus closure. The disc nucleus has an elongated member that is expandable. Any of the devices can be loaded with biologics. Moreover, any of the devices may include a scarring factor to promote fibrous growth. | 04-12-2012 |
20120089230 | INTERVERTEBRAL DISC PROSTHESIS WITH TRANSVERSALLY ARCHED, CURVED CYLINDRICAL ARTICULATION SURFACES FOR THE LUMBAR AND CERVICAL SPINE - An intervertebral disc prosthesis for the total replacement of a intervertebral disc within the lumbar and cervical spine is disclosed. The intervertebral disc prosthesis comprises articulating sliding partners and at least one sliding surface that is between two sliding partners. Two part designs are described in which only a dorsoventral- and rotational movement is possible as a result of laterolaterally aimed, transversally arched, ventrally curved cylindrical convexity(ies) and corresponding concavity(ies), without an inclination of the sliding partners in a lateral direction. In a further design, the cylindrical articulation surfaces have no curvature, enabling a motion of the sliding partners in only a ventrodorsal direction. According to the invention, the intervertebral disk prostheses are suited for implantation from lateral and ventrolateral, particularly in revision surgeries. | 04-12-2012 |
20120089231 | INTERVERTEBRAL IMPLANT AND TOOL FOR PLACING SAME - The invention relates to an intervertebral implant ( | 04-12-2012 |
20120095561 | INTERVERTEBRAL IMPLANT - A method for fixation of an intervertebral implant includes the steps of: a) applying a spreading force to a first and second adjacent vertebral bodies; b) removing the intervertebral disc between the adjacent first and second vertebral bodies; c) inserting a shaft of the bone anchors into the vertebral bodies, and fixing a head of the bone anchors to an intervertebral implant. | 04-19-2012 |
20120095562 | ARTIFICIAL DISC - An artificial intervertebral disc includes an upper joint ( | 04-19-2012 |
20120101578 | DEVICES CONTAINING A CHEMONUCLEOLYSIS AGENT AND METHODS FOR TREATING AN INTERVERTEBRAL DISC OR SPINAL ARACHNOIDITIS - Effective devices and methods using a chemonucleolysis agent are provided for treating an intervertebral disc or treating spinal arachnoiditis. The devices and methods comprise a chemonucleolysis agent to degrade or to shrink at least a portion of the intervertebral disc. In some embodiments, the methods and devices are configured to immediately release an effective amount of the chemonucleolysis agent within 24 hours and provide sustained release of the chemonucleolysis agent over a period of up to one year to treat the intervertebral disc. In some embodiments, the chemonucleolysis agent in the device is administered in or near the intrathecal space and/or thecal sac to treat spinal arachnoiditis. | 04-26-2012 |
20120101579 | PROSTHETIC INTERVERTEBRAL DISC WITH MOVABLE CORE - An intervertebral disc for a prosthetic intervertebral disc system for insertion from a posterior of the spine includes first and second end plates sized and shaped to fit within an intervertebral space, each end plate having a vertebral contacting surface and an inner surface, a first bearing surface on an inner surface of the first end plate, and a second bearing surface on an inner surface of the second end plate. A mobile core is configured to be received between the first and second bearing surfaces, the first and second end plates being articulable and rotatable relative to each other via sliding motion of at least one of the first and second bearing surfaces over the core. The core is movable with respect to at least one of the first and second end plates. | 04-26-2012 |
20120101580 | Intervertebral Implant - An intervertebral implant includes a three-dimensional body and a securing plate. The three-dimensional body includes a front surface and a rear surface. The three-dimensional body further includes a plurality of boreholes for accommodating fixation elements. The intervertebral implant also includes a front plate disposed at the front surface of the three-dimensional body and having a plurality of boreholes. A securing plate can be fastened to the front plate. | 04-26-2012 |
20120101581 | INTERVERTEBRAL IMPLANT - The intervertebral three-dimensional structure comprises a top side, an underside, a front face, a rear face, and a plurality of boreholes designed to receive affixation elements. | 04-26-2012 |
20120101582 | Implants and Methods for Spinal Fusion - An implant is provided for performing spinal fusion. The implant includes an implant body having a leading side and a trailing side at opposing ends along a longitudinal axis. Between the leading side and trailing side are an upper surface, a lower surface, an anterior side, and a posterior side. At least one keel structure is provided extending from the implant body for penetration into an adjacent vertebral body. A trial sizer and keel cutter may be utilized to form keel channels within the vertebral body to receive the keel structure. | 04-26-2012 |
20120109306 | SPINAL IMPLANT - A spinal implant configured for implantation in an intervertebral disc space is disclosed. The implant comprises a section for engaging a vertebral body. The section comprises a bone-engaging surface configured to engage at least a portion of a vertical surface and/or an endplate surface of the vertebral body. The section further comprises a metal component and a polymer component that are bonded together, wherein each of the metal component and the polymer component comprises at least one structural element configured to promote fixation between the polymer component and the metal component. | 05-03-2012 |
20120109307 | VERTEBRAL IMPLANT END CAP - An implant and method for insertion between adjacent vertebral members. The implant comprises an implant body with a base section having a plurality of base extensions, and an end cap adapted for selective axial positioning at a selected point on the base section. The end cap comprises locking apertures and positioning apertures configured to engage corresponding base extensions, the locking apertures comprises a resilient aperture finger adapted to deform to permits the locking aperture to deform as the end cap is positioned on the base section. The locking apertures and positioning apertures will prevent rotational movement of the end cap relative to the base section once the end cap is secured to the base section. The implant imparts end cap height and angulation to an adjacent vertebral body at the selected or desired point when the implant is positioned in the intervertebral space. | 05-03-2012 |
20120109308 | Intervertebral Implant - An intervertebral implant includes a three-dimensional body and a securing plate. The three-dimensional body includes a front surface and a rear surface. The three-dimensional body further includes a plurality of boreholes for accommodating fixation elements. The intervertebral implant also includes a front plate disposed at the front surface of the three-dimensional body and having a plurality of boreholes. A securing plate can be fastened to the front plate. | 05-03-2012 |
20120109309 | INTERVERTEBRAL IMPLANT - The intervertebral three-dimensional structure comprises a top side, an underside, a front face, a rear face, and a plurality of boreholes designed to receive affixation elements. | 05-03-2012 |
20120109310 | Intervertebral Implant - The intervertebral three-dimensional structure comprises a top side, an underside, a front face, a rear face, and a plurality of boreholes designed to receive affixation elements. | 05-03-2012 |
20120109311 | Intervertebral Implant - The intervertebral three-dimensional structure comprises a top side, an underside, a front face, a rear face, and a plurality of boreholes designed to receive affixation elements. | 05-03-2012 |
20120109312 | INTERVERTEBRAL IMPLANT - The intervertebral three-dimensional structure comprises a top side, an underside, a front face, a rear face, and a plurality of boreholes designed to receive affixation elements. | 05-03-2012 |
20120109313 | Intervertebral Implant - The intervertebral three-dimensional structure comprises a top side, an underside, a front face, a rear face, and a plurality of boreholes designed to receive affixation elements. | 05-03-2012 |
20120109314 | Method of Using an Anti-Growth Matrix as a Barrier for Cell Attachment and Osteo-Inductive Factors - The present invention generally relates to a method of using a matrix as a barrier for unwanted cell attachment and bone formation in unwanted areas of the human body during implant procedures. More specifically, a growth-inhibiting matrix may be used to prevent migration of osteo-inductive agents or bone tissue from an intervertebral disc space through the outer bands of annulus fibrosis that abuts the spinal tissue, canal, and other surrounding areas. | 05-03-2012 |
20120109315 | TOTAL DISC REPLACEMENT DEVICE - An intervertebral implant for implantation between an upper vertebra and a lower vertebra having a central axis. The implant may have a first member with a top surface for contacting at least a portion of the upper vertebra and a bottom surface as well as a second member with a top surface and a bottom surface for contacting at least a portion of the lower vertebra. An elastic spacer may be disposed between the first member and the second member. Contraints may be employed to to limit the amount of lateral movement between the first and second members. | 05-03-2012 |
20120109316 | Intervertebral Implant, Insertion Tool and Method of Inserting Same - An intervertebral implant, alone and in combination with an insertion tool for inserting same and a method for inserting same. The implant has upper and lower parts which have universal movement relative to each other. Each of the upper and lower parts also has a surface engaging an adjacent vertebrae. Each part has a keel extending from said surface into a cutout in the adjacent vertebrae, and each keel has an anterior opening recess therein. An insert tool has a pair of arms which are received in the recess of the keels through the anterior opening to securely hold and insert the implant. Projections and matching indentations in each arm and the base of its recess securely attached each arm within its keel. | 05-03-2012 |
20120109317 | DEVICE FOR DISTRACTING BODY TISSUE - An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing wafer stack. The wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. Each wafer also includes features that interlock with the inferior plate until the wafer id dislodged by sequential introduction of another wafer. | 05-03-2012 |
20120109318 | Prosthetic intervertebral discs - Prosthetic intervertebral discs, systems including such prosthetic intervertebral discs, and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the sagittal plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components, construction, and other features of the discs. | 05-03-2012 |
20120109319 | INTERBODY CAGE - The invention relates to an interbody cage, including a cage body ( | 05-03-2012 |
20120116512 | INTERVERTEBRAL DISK PROSTHESIS NOTABLY FOR CERVICAL VERTEBRAE - A prosthesis comprises having two portions independent of each other, a first portion and a second portion, at least one of which includes an articular surface, said first portion and said second portion each comprising a circular seat delimited by an arched wall. An element of the prosthesis is an O-ring in an elastically deformable material, and one of said seats is dimensioned to receive a radially outer portion of this ring while the other seat is dimensioned to receive a radially inner portion of this ring. | 05-10-2012 |
20120116513 | Anatomic total disc replacement - An artificial spinal disc prosthesis that can be implanted to replace a damaged natural spinal disc. A nucleus of compressible elastomeric material is surrounded by a winding of a slender strand of flexible tension-bearing material oriented at a pitch angle relative to a central axis. The orientation of the winding provides the prosthesis a limited amount of freedom of movement and flexibility. A pair of end caps of the prosthetic implant include angulated grooves that allow for insertion of the device between vertebral bodies from any of several directions. Special fasteners provide protruding points useful in anchoring the prosthesis. | 05-10-2012 |
20120116514 | SEMI-BIOLOGICAL INTERVERTEBRAL DISC REPLACEMENT SYSTEM - Disclosed is a system and method for a partially biological disc replacement that stimulates natural fibrous, cartilaginous or other tissue growth in the DDD cavity, resulting in a partial biological disc replacement. Multiplicities of fibronous pieces of fibro-cartilaginous tissue promoting material are inserted into the DDD cavity inducing tissue growth. The fibro-cartilaginous tissue | 05-10-2012 |
20120116515 | DEMINERALIZED CORTICAL BONE IMPLANTS - Implants comprising a plurality of separate cortical bone units, which have been at least partially demineralized and are osteoinductive, are described herein. The implants can be used in methods for treating bone. Also, disclosed are methods for treating spinal conditions using these implants. The spinal conditions include but are not limited to repairing damage to or defects in the spine, such as fractures in a vertebral body or degeneration of spinal discs. | 05-10-2012 |
20120116516 | ARTIFICIAL DISC PROSTHESIS FOR REPLACING A DAMAGED NUCLEUS - A multi-piece disc replacement implant for replacing a disc removed by a discectomy including an upper plate member, a lower plate member, and an intermediate resilient member providing movement between the two plate members replicating the natural movement of the spine. The plate members are rigid and have orthogonal sidewalls forming an enclosure. The resilient member is an elastic solid or a multi-chamber balloon structure of fluid-filled sacks that collectively define a non-uniform shape such as an oblate spheroid, or a helically coiled string of beads. Such an implant is capable of supporting the compressive and cyclic loads required of a natural disc. The upper and lower plate members are cooperatively formed to selectively limit the allowable range of motion in any given direction and a provided with protrusions to be received in one or more channels cooperatively formed in the vertebrae and secured in place by a bone screw. | 05-10-2012 |
20120116517 | Device for Establishing an Anatomical Reference Point of an Intervertebral Disc - The disclosure relates to a device for establishing an anatomical reference point of an intervertebral disc for the attachment of at least one instrument Intended for the implantation, through a posterior or posterolateral approach, of a disc prosthesis or osteosynthesis cage as a replacement for the intervertebral disc. The device includes at least two means for bone anchorage each intended to be attached to a vertebra adjacent to the disc, a coupling element for the instrument and elements for adjusting the position of the coupling element relative to the position of the disc. | 05-10-2012 |
20120116518 | Selectively Expanding Spine Cage, Hydraulically Controllable In Three Dimensions for Vertebral Body Replacement - A selectively expanding spine cage has a minimized diameter in its unexpanded state that is smaller than the diameter of the neuroforamen through which it passes in the distracted spine. The cage conformably engages between the endplates of vertebrae to effectively distract the anterior disc space, stabilize the motion segments, eliminate pathologic spine motion, or effect vertebral body replacement. Expanding selectively (anteriorly, along the vertical axis of the spine) rather than uniformly, the cage height increases and holds the vertebrae with fixation forces greater than adjacent bone and soft tissue failure forces in natural lordosis. Stability is thus achieved immediately, enabling patient function by eliminating painful motion. The cage shape intends to rest proximate to the anterior column cortices securing the desired spread and fixation, allowing for bone graft in, around, and through the implant for arthrodesis whereas for arthroplasty it fixes to endpoints but cushions the spine naturally. | 05-10-2012 |
20120116519 | Surgical Extractor and Method of Removing Intervertebral Disc Prosthesis - A method of removing an intervertebral disc prosthesis from an intervertebral disc space includes the steps of: a) providing a surgical extractor with two legs; b) individually inserting the legs, while the legs are completely detached from each other, into the intervertebral disc space; c) rotating the legs so that they take up a locking position in which a pulling force can be applied by the legs to the intervertebral disc prosthesis; d) connecting the legs to an extraction element; and e) pulling at the extraction element so that the legs apply a pulling force to the intervertebral disc prosthesis. | 05-10-2012 |
20120116520 | METHOD AND APPARATUS FOR THE TREATMENT OF THE INTERVERTEBRAL DISC ANNULUS - The present invention provides methods and devices for treating the annulus of an intervertebral disc. The methods and devices can employ an expandable treatment device which is deployed at least partially in the subannular space. Fixation devices and methods are also disclosed, which help to secure the treatment device in place. | 05-10-2012 |
20120123544 | Intervertebral Spacer and Method of Installation Thereof - The present invention provides an intervertebral spacer capable of being installed into an intervertebral disc space. In one embodiment, the intervertebral spacer comprises a body portion. The body portion comprises a first end, a second end, a first side portion connecting the first end and the second end, and a second side portion connecting the first end and the second end. An entrance port is defined in the first end of the body portion. A first exit port is defined in the first side portion of the body portion. A second exit port is defined in the second side portion of the body portion. | 05-17-2012 |
20120123545 | Total disc implant - A total disc implant (TDI) is provided for total replacement of a spinal disc or discs in a human patient or other mammal, wherein the TDI is designed to maintain a substantially full range of natural motion (ROM) following implantation. The TDI generally comprises, in one preferred form, upper and lower end plates for affixation to adjacent vertebral bodies, with an intervening insert disposed therebetween. The end plates each include elongated part-cylindrical surfaces oriented generally perpendicular to each other, with one of said surfaces extending in an anterior-posterior direction and the other extending in a medial-lateral direction. The intervening insert defines concave upper and lower part-cylindrical seats oriented for respectively engaging these part-cylindrical surfaces, wherein these part-cylindrical seats are defined by offset radii to include a somewhat flattened central base region merging smoothly with upwardly curving radiused sides. | 05-17-2012 |
20120123546 | IMPLANT APPARATUS FOR SPINAL FUSION - An implant apparatus and a method for spinal fusion from oblique, lateral, ALIF, PLIF, and TLIF approach are disclosed. The apparatus can be configured to include an expandable implant cage and an inserter. The cage can be inserted between endplates of upper and lower vertebra using lateral, ALIF, PLIF, and TLIF approach. The cage generally includes a male and female screw configuration and a cage expansion mechanism. The inserter inserts the cage in a spinal disc space and tightens the male and female screw arrangement. Once the cage is inserted to the desired position, viewed by X-ray you will begin to tighten the male portion of the screw in the device, and continue to tighten until final deployment of cage has been achieved. This provides a much greater footprint that allows the device to reach the cortical ring or apophyseal ring of the vertebral body. Tightening of male and female screw arrangement operates the cage expansion mechanism to expand the cage size. The cage can be inserted through a smaller surgical opening and then expanded to a full size assembly between the vertebrae. | 05-17-2012 |
20120123547 | INTERVERTEBRAL DISC STRAIN-RELIEF SUPPORT - The invention relates to an intervertebral disk strain-relief support as an implant between spinous processes of adjacent vertebral bodies, comprising a carrier element having an opening and having first retaining wings, and a central element that has second retaining wings and that can be inserted into the opening of the carrier element. In the implanted state, the retaining wings lie outside on the spinous processes of adjacent vertebral bodies, and the spinous processes can be supported on opposite pressure surfaces on the carrier element and/or on the central element. According to the invention, at least one exposed spring slot, which is oriented transversely to the sagittal direction of extension of the spinal column and which extends over the area between two opposite pressure surfaces, is arranged in at least one of the elements in such a way that a resilient bridge is formed between the spring slot and one of the pressure surfaces of the implant, wherein the resilient bridge is resilient when the spinous processes are loaded. | 05-17-2012 |
20120123548 | METHODS OF DELIVERING AN IMPLANT TO AN INTERVERTEBRAL SPACE - According to some embodiments, a method for promoting spinal fusion using a spinal implant comprises providing a spinal implant, wherein the spinal implant comprises an anterior wall, a posterior wall and two lateral walls configured to extend between the anterior wall and the posterior wall. In some embodiments, the spinal implant further comprises at least one internal chamber generally positioned between the anterior wall, the posterior wall and the two lateral walls, wherein the internal chamber being is adapted to receive at least one graft and/or other fill material. | 05-17-2012 |
20120130493 | Expandable Vertebral Implant - The present invention relates to an expandable implant for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 05-24-2012 |
20120130494 | ALLOGRAFT INTERVERTEBRAL IMPLANT AND METHOD OF MANUFACTURING THE SAME - The present invention is directed to an allograft intervertebral implant sized and configured for insertion between adjacent vertebral bodies in a spinal fusion surgery. The implant is preferably manufactured from two or more pieces of allograft bone joined together by a joint, more preferably a dovetail joint. The dovetail joint being sized and configured to substantially follow the exterior shape or surface of the intervertebral implant. | 05-24-2012 |
20120130495 | Intervertebral Fusion Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 05-24-2012 |
20120130496 | Intervertebral Fusion Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 05-24-2012 |
20120130497 | Arthroplasty spinal prosthesis and insertion device - An arthroplasty spinal prosthesis with first and second vertebra contacting members that are configured for engaging opposing vertebrae An articulation is supportively associated with the contacting members to allow relative pivotal and translational motion therebetween over anterior-posterior and lateral pivotal axes, and over anterior-posterior and lateral translational axes. This motion allows the opposing vertebrae to pivot and translate with respect to each other. The articulation is configured to permit translational movement substantially uncoupled from the pivoting movement. | 05-24-2012 |
20120136444 | TWO-COMPONENT ARTIFICIAL DISC REPLACEMENTS - Artificial disc replacements (ADRs) and total disc replacements (TDRs) are based upon two, directly articulating components, resulting in a restricted-motion system that better approximates more normal spinal flexion, extension, and lateral bending. One component may have a concave articulating surface, and the other a convex articulating surface. The radius of curvature of the articulating surface may be smaller in the anterior-to-posterior direction of the ADR than the radius of curvature of the articulating surface in the left-to-right direction of the ADR. Both components are preferably made of a hard material and are highly polished to reduce friction. | 05-31-2012 |
20120136445 | POSTERIOR SPINAL ARTHROPLASTY SYSTEM - A lumbar disc prosthesis is provided including a first member with a vertebral disc contact surface and a recessed portion on an opposing surface thereof; a second member with a vertebral disc contact surface and a protruding portion on an opposing surface thereof. The protruding portion of the second member engages with the recessed portion of the first member in use. A facet joint prosthesis is provided, including a first member for attachment to a first posterior lumbar disc in use and a second member for attachment to a second posterior lumbar disc in use, where at least a part of the first member is telescopically mounted in at least a part of the second member in use. | 05-31-2012 |
20120136446 | SPINAL PROSTHESIS AND FACET JOINT PROSTHESIS - A lumbar disc prosthesis is provided including a first member with a vertebral disc contact surface and a recessed portion on an opposing surface thereof; a second member with a vertebral disc contact surface and a protruding portion on an opposing surface thereof. The protruding portion of the second member engages with the recessed portion of the first member in use. A facet joint prosthesis is provided, including a first member for attachment to a first posterior lumbar disc in use and a second member for attachment to a second posterior lumbar disc in use, where at least a part of the first member is telescopically mounted in at least a part of the second member in use. | 05-31-2012 |
20120136447 | PROSTHESES FOR SPINE DISCS HAVING FUSION CAPABILITY - The present invention provides both a device and a method. The device is a human made replacement for the soft discs in the spine. A fabric pouch encloses a central hydraulic element made up of small soft beads. Two pouches with beads are implanted into a prepared disc space to function as an intervertebral disc. The method is conversion of the device into a fusion element. | 05-31-2012 |
20120136448 | Devices and Methods for Treating Bone - A device is disclosed for reducing a vertebral compression fracture, comprising a superior end plate and an inferior end plate disposed along a vertical axis. The superior end plate and the inferior end plate are slidably separable in a vertical direction along the vertical axis. An interior chamber is provided in fluid communication with a port extending from an exterior to the interior chamber. The device is deployable within a vertebral body and expandable within the vertebral body by injecting a flowable material into the interior chamber thereby displacing the superior and inferior end plates along the vertical axis. | 05-31-2012 |
20120143336 | DYNAMIC INTERBODY CAGE ANCHOR SYSTEM - A system and method of securing an intervertebral fusion cage within the intervertebral space between adjacent vertebra in which one or more slots are provided in an anterior surface of the cage each extending from an oversized aperture. A retention plate having a post and enlarged head is advanced into each slot via the oversized aperture and captured therein. The post is advanced to the terminal end of the plate and secured to vertebral body at its distal end by a bone screw. A locking clip is slideably positioned on the retention plate to prevent withdrawal of the bone screw. The slots preferably extend to margins of the anterior surface of the cage in, for example, the pattern of an “X” or an “H”. Sliding of the posts in the slots prevents the system from carrying the vertebral load (load shielding) and permits reduction in the intervertebral space to promote bone growth and fusion by graft material retained in the spacer. | 06-07-2012 |
20120143337 | FUSION IMPLANT FOR FACET JOINTS - The invention involves a fusion implant for a facet joint, comprising a bearing module ( | 06-07-2012 |
20120143338 | REPLACEMENT OR SUPPLEMENTATION OF A NUCLEUS PULPOSUS USING A HYDROGEL - A nucleus pulposus of an intervertebral disc is supplemented or replaced by a physiologically fully hydrated solid hydrogel intervertebral body comprising a polyvinyl alcohol copolymer, wherein the solid hydrogel intervertebral body exhibits an osmotic pressure of from 0.1 to 0.3 megapascals prior to insertion into a patient, the solid hydrogel intervertebral body having a ratio of length to principal transverse dimension not less than about 5:1. | 06-07-2012 |
20120143339 | METHODS AND DEVICES FOR EXPANDING A SPINAL CANAL - Devices and methods are disclosed for expanding a spinal canal. An implantable device having a shaft with a first cross-sectional dimension distinct from a second cross-sectional dimension can be inserted into an opening in a lamina and rotated 90 degrees to hinge the lamina away from the spinal canal. The implant can have one or more radiused edges, a bulleted tip, one or more lateral extensions for fastening the implantable device to bone, one or more hinged lateral extensions, one or more arcuate protrusions for biting into adjacent bone, an enlarged proximal head to prevent over-insertion, and/or a sleeve disposed therearound to reduce friction. Various embodiments of an insertion apparatus that can be selectively coupled to the implantable device are also disclosed, along with methods of expanding a spinal canal in minimally-invasive procedures using an implantable device and/or an insertion apparatus. | 06-07-2012 |
20120143340 | MINIMALLY INVASIVE LATERAL INTERVERTEBRAL FIXATION SYSTEM, DEVICE AND METHOD - An intervertebral fixation device and system are disclosed, including a weight-bearing shell, first anchor, second anchor, and key. The shell includes a first and second opposing sidewalls, a keyway that extends between and through the first and second sidewalls, and a first axis of rotation and a second axis of rotation that extend between the first and second sidewalls. The first anchor is rotatably coupled to the shell about a first axis of rotation and is disposed in a first orientation. The second anchor is rotatably coupled to the shell about a second axis of rotation and is disposed in a second orientation. The second orientation is divergent from the first orientation. The key is configured to be disposed in the keyway to support the first anchor in a third orientation and the second anchor in a fourth orientation. The third orientation is divergent from the fourth orientation. | 06-07-2012 |
20120143341 | DEVICES AND METHODS FOR VISUAL DIFFERENTIATION OF INTERVERTEBRAL SPACES - A method of implanting an intervertebral implant with differentiation of tissue includes: providing electromagnetic radiation into an intervertebral space; visualizing a first color of a first tissue portion located at the intervertebral space, the first color being in response to the provided electromagnetic radiation; visualizing a second color of a second tissue portion located at the intervertebral space, the second color being differentiated from the first color in response to the provided electromagnetic radiation, wherein the first tissue portion and second tissue portion are both substantially similar under normal ambient light; visualizing damage to an intervertebral disc between adjacent vertebras from the first color and the second color; and inserting an intervertebral implant into the intervertebral space. | 06-07-2012 |
20120150300 | INTER-VERTEBRAL-BODY SPACER - An inter-vertebral-body (IVB) spacer may include a skeletal body and a pair of interchangeable contact pads. The skeletal body may be made of a rigid material for providing structure support, and the pair of contact pads may be made of a softer material for contacting the endplates of the vertebral bodies. Advantageously, the IVB spacer may be strong enough to withstand the pressure applied between the vertebral bodies yet soft enough to protect the vertebral bodies from being eroded. Moreover, the IVB spacer may have an inter-pad angle, which may be adjusted to adapt to patients with various vertebral bone structures. The inter-pad angle of the IVB spacer may be adjusted by simply selecting and replacing one of the contact pads. | 06-14-2012 |
20120150301 | Novel Implant Inserter Having a Laterally-Extending Dovetail Engagement Feature - A spinal implant inserter having a) an outer sleeve having a bore, and b) a forked inner shaft having a proximal rod and a pair of distal tynes extending therefrom, each distal tyne comprising an engagement feature having a laterally-extending dovetail feature. An assembly comprising the implant inserter and an implant having a pair of mating dovetail features. | 06-14-2012 |
20120150302 | INTERBODY IMPLANT - An interbody implant ( | 06-14-2012 |
20120150303 | SPINE SUPPORT IMPLANT INCLUDING INTER VERTEBRAL INSERTABLE FLUID BALLASTABLE INSERT AND INTER-VERTEBRAL WEB RETAINING HARNESSES - An implant support device associated with succeeding spinal vertebrae, including a harness exhibiting a plurality of legs, each extending from a rotatable bearing or suitable interconnecting support. Each of the legs terminates in an angled tang, this being engaged with a surface of a selected vertebrae. Additional features include undercut portions defined between the legs and arcuate/hemispherical mounting locations surrounding the bearing in individually rotatably permitting fashion. Inter-vertebral support cushions are also positioned between succeeding vertebrae, and can be incorporated with or provided separately from the web support harnesses. | 06-14-2012 |
20120150304 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-14-2012 |
20120150305 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-14-2012 |
20120158143 | ALIF Spinal Cage - A fusion cage having a substantially continuous sidewall made from any of various materials including titanium, PEEK, a carbon graphite fiber, or even a combination of these materials. A hollow core defined by the sidewall is typically filled with bone graft in order to form a solid fusion with vertebrae. The sidewall of the cage has upper and lower surfaces, an anterior section, at least two lateral sections each connected to the anterior section, and a posterior section connected to the lateral sections. The sidewall is preferably tapered at one of either a four or eight degree incline from the posterior to the anterior section so as to maintain backbone curvature. A plurality of distinct tool ports provide for anterior, lateral and/or anterolateral insertion of the device. Each tool port is provided with screw insertion orifices. | 06-21-2012 |
20120158144 | IMPLANT WITH CRITICAL RATIO OF LOAD BEARING SURFACE AREA TO CENTRAL OPENING AREA - An implant that has a predefined ratio of load bearing surface area to the overall size of the implant body and specifically to the surface area of a centrally located opening of a vertical aperture which connects to a center void area or passage defined by the implant body shape. This invention discloses a critical ratio or balance between loading of contained graft material through the hollow center or central passage of the implant and the implant's frictional load bearing or contact area with e.g., adjacent vertebral bones. Application of this invention to a spinal implant provides an improved integration and integration rate of the graft material or the fusion of the adjacent vertebral bone structures. The ratio between implant load bearing surface area and implant central opening area maximizes implant internal volume and allows a large passage disposed medial laterally to allow for radiographic verification of fusion growth. | 06-21-2012 |
20120158145 | INTERVERTEBRAL IMPLANT HAVING FEATURES FOR CONTROLLING ANGULATION THEREOF - An intervertebral implant includes a first plate having an inner surface, an outer surface, a ball shaped protuberance projecting from the inner surface and an annular groove surrounding the ball shaped protuberance. The implant includes a second plate having an inner surface, an outer surface, a curvate socket formed in the inner surface of the second plate and a raised rim surrounding the curvate socket. The first and second plates are assembled together so that the inner surfaces of the plates oppose one another and the ball shaped protuberance is disposed in the curvate socket and the annular groove aligned with the raised rim. The assembled first and second plates angulate and rotate relative to one another. | 06-21-2012 |
20120158146 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-21-2012 |
20120158147 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-21-2012 |
20120158148 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-21-2012 |
20120158149 | SPINAL INTERBODY SPACER - A spinal spacer for engagement between vertebrae includes a body extending between a substantially contoured first end surface and a second end surface to define side surfaces and opposing top and bottom vertebral engaging surfaces substantially symmetrical about a centerline axis. At least one opening defines a hollow inner body and includes first and second intersecting openings extending through the top and bottom vertebral engaging surfaces. The second intersecting opening extends through the side surfaces. The second end surface includes at least one aperture formed therethrough in communication with the hollow inner body. A screw opening is defined through at least one plate insert configured to be removably coupled to the second end surface to substantially align the screw opening with the at least one aperture. The bone screw is configured to be threadingly secured within the at least one plate insert. | 06-21-2012 |
20120158150 | DEVICES FOR INTRODUCTION INTO A BODY VIA A SUBSTANTIALLY STRAIGHT CONDUIT TO FORM A PREDEFINED CURVED CONFIGURATION, AND METHODS EMPLOYING SUCH DEVICES - A device for introduction into a body in a straight configuration and assuming within the body a predefined curved configuration, includes an elongated element formed from a number of segments interconnected so as to form effective hinges therebetween. When the elongated element is confined to a straight state, the effective hinges transfer compressive forces from each segment to the next so that the elongated element can be pushed to advance it through a conduit. When the elongated element is not confined to a straight state, the effective hinges allow deflection of each segment relative to adjacent segments until abutment surfaces of the segments come into abutment, thereby defining a fully flexed state of the elongated element with a predefined curved configuration. The device can be produced with a wide range of two-dimensional and three-dimensional curved forms, and has both medical and non-medical applications. | 06-21-2012 |
20120165942 | Universal laminoplasty implant - The present invention relates various embodiments of a laminoplasty implant comprising a telescopic spacer configured to attach to the vertebra and adjust the space between two cut portions of a vertebra. | 06-28-2012 |
20120165943 | SET COMPRISING AN INTERVERTEBRAL IMPLANT FOR IMMOBILISING A VERTEBRA WITH RESPECT TO ANOTHER AND AN INSTRUMENT FOR INSTALLING THIS IMPLANT - This set comprises an intervertebral implant ( | 06-28-2012 |
20120165944 | Spinal Implant And Method Of Use - A spinal implant having a series of sections or units hinged together and a balloon connected to at least some of the sections, the balloon having a curved configuration. The implant has a first delivery configuration and a second curved placement configuration, wherein it has a more linear configuration in the first delivery configuration than in the second curved configuration. The implant assumes the first delivery configuration during delivery to the disc space and maintains the curved configuration after placement within the disc space. The curved configuration can result from filling or expanding the balloon. | 06-28-2012 |
20120165945 | Intervertebral Spacer - Disclosed is an assembly and method for implant installation between adjacent vertebral bodies of a patient. The implant has a support body and a rotatable insert therein and the support body is curved for installation between adjacent vertebral bodies transforaminally. An installation instrument is also disclosed for removable attachment to implant and engagement with the rotatable insert to selectively permit rotation between the insert and the support body. The installation instrument extends along a longitudinal tool axis and when the installation instrument is in a first position the insert is rotationally fixed with respect to the support body and when the installation instrument is in a second position the support body may rotate with respect to the insert. | 06-28-2012 |
20120165946 | INTRADISCAL MOTION LIMITING MEMBER AND METHOD OF INSTALLATION THEREOF - In an exemplary embodiment, the present invention provides a resilient support member capable of being installed inside an intervertebral disc to provide support to an intervertebral disc that has a compromised annulus fibrosis. In one embodiment, the intradiscal member includes an upper support surface, a lower support surface, and an outer wall. In another embodiment, the intradiscal member includes an inner wall defining a volume. In yet another embodiment, the intradiscal member includes a fastening element. The present invention also provides a method for installing the intradiscal member in the nucleus pulposus region of an intervertebral disc. | 06-28-2012 |
20120165947 | Disc Repair System - A repair system including a closure prosthesis and deployment device, and associated methods for repairing any imperfection including a flaw, hole, tear, bulge, or, in some cases, a deliberate cut or incision in any tissue including an intervertebral disc. The prosthesis has first and second side portions with a connecting central portion, and is designed to span an imperfection with opposite ends positioned on opposite sides of the imperfection. The prosthesis may include anchoring features including barbs and/or members that extend transversely. The deployment device can include a cannula for positioning the prosthesis near the imperfection, and, in some cases, a mechanism that may cause the two sides of the prosthesis to be deployed in a specific order. | 06-28-2012 |
20120165948 | Intervertebral Disc Prosthesis Manufacturing Method - A method of manufacturing an intervertebral disc prosthesis for insertion into an intervertebral disc compartment between two vertebra includes: a) biometrically determining the shape of a first dome formed within an apophyseal ring of the first vertebra; and b) providing a first constituent element which is provided on one side with a first joint member and has on the other side a first abutment face which abuts against the first vertebra when the intervertebral disc prosthesis is inserted into the intervertebral disc compartment. The first abutment face has a shape that has no rotational symmetry and that has a vertex configured such that the first constituent element can rotate within the first dome by at least 10° when the vertex of the first abutment face contacts a vertex of the dome. | 06-28-2012 |
20120172987 | BUTTRESS PLATE SYSTEM - Systems, devices and methods are provided for assisting in spinal stabilization. A buttress plate system is provided that can include an intervertebral spacer, a buttress plate, a spinal screw, and an insertion instrument. The buttress plate is configured to extend across at least a part of an intervertebral space to block or prevent an intervertebral spacer from backing out of the intervertebral space when the buttress plate is secured to the spine. The buttress plate includes a curved plate body having an aperture therethrough for receiving a spinal screw. The buttress plate also includes a pair of engagement members in the form of spikes to help stabilize the buttress plate relative to the spine prior to securing the buttress plate to the spine. The buttress plate can be coupled to an insertion instrument that is used to guide the buttress plate to a desired position adjacent the spine. Once in a desired position, a spinal screw can be delivered through the insertion instrument and through the aperture of the buttress plate to secure the buttress plate to the spine. The insertion instrument thus helps to properly position the buttress plate adjacent the spine and to deliver a spinal screw toward the aperture of the buttress plate. | 07-05-2012 |
20120172988 | INTERVERTEBRAL IMPLANT WITH MULTIPLE RADII - An intervertebral implant comprises a number of components including upper and lower endplates and one or more inserts configured to be disposed between the upper and lower endplates. Complimentary curved articulation surfaces are defined on the insert-facing surfaces of the upper and lower endplates and on the corresponding upper and lower surfaces of each of the inserts. The components of the implant articulate with respect to each other along shared articulation surfaces. At least two pairs of shared articulation surfaces are defined, each pair having a different length radius. The components of the implant can be configured with retainers, such that the implant is retained in an assembled configuration when disposed within an intervertebral space. | 07-05-2012 |
20120172989 | VERTEBRAL OSTEOSYNTHETIS EQUIPMENT - A vertebral osteosynthesis equipment including an intervertebral implant ( | 07-05-2012 |
20120172990 | Prosthetic Intervertebral Discs Having Substantially Rigid End Plates and Fibers Between Those End Plates - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 07-05-2012 |
20120172991 | Composite Interbody Device - A composite interbody device includes superior and inferior endplates with a plastic core molded therebetween. The core includes one or more features for permitting bone growth through the core. Each endplate includes a bone interface side coated with hydroxyapatite, for promoting bone on-growth. Pores in the bone interface sides permit bone in-growth. Core interface sides of the endplates include relatively larger pores for accepting molten material from the core, for example during injection molding, to enhance bonding of the endplates with the core. Each endplate has a central barrier layer for preventing the molten core material from extruding through the core interface pores into the bone interface pores, reserving the bone interface pores for bone in-growth. A method of manufacturing the composite interbody device is also disclosed. | 07-05-2012 |
20120179258 | SPINAL SPACER DEVICES, TOOLS, AND METHODS - A spacer device for spinal fixation, such as in corpectomies and discectomies, includes a core and two end plates mounted to the core. One end plate is mounted to each respective end of the core. The core can be configured and adapted to be adjustable to allow for contraction and/or distraction of the end plates. The end plates can include apertures therethrough to facilitate osseointegration of the spacer device within a patient's spine. The angle of the endplates can each be adjusted with respect to the core of the spacer device, for example to accommodate lordosis. A containment mesh is included around the spacer device, wrapping circumferentially around the end plates, and spanning from end plate to end plate. The containment mesh defines a containment volume between the end plates for containing bone replacement materials such as allograft or man-made materials. | 07-12-2012 |
20120179259 | INTERVERTEBRAL IMPLANTS, SYSTEMS, AND METHODS OF USE - An intervertebral implant frame that is configured to be attached to a spacer body can include a pair of arms that extend longitudinally from a support member such that the arms extend substantially around the spacer body. The arms may be configured to expand, crimp, or otherwise engage the spacer body to thereby hold the spacer body to the frame. The spacer body may be made from bone graft. | 07-12-2012 |
20120179260 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant system is disclosed. The system disclosed has a first footing adapted for inter-vertebral contact with a first vertebral body, a second footing adapted for inter-vertebral contact with a second vertebral body adjacent to the first vertebral body; and, a support slideably insertable between said first footing and said second footing while said first and second footings are in-situ between said first and second vertebral bodies. The footings provide a path for the support. Distractor instruments are disclosed. Methods of use, in surgery, are also disclosed. | 07-12-2012 |
20120179261 | INTERBODY SPACER - An interbody spacer includes a connecting portion and a pair of leg portions extending from the connecting portion. The connecting portion and the pair of leg portions define top and bottom surfaces configured and adapted to engage first and second vertebral bodies, respectively, and inner and outer sidewalls extending between the top and bottom surfaces. In particular, the top and bottom surfaces of the leg portions include first projections defining a first angle with the respective top and bottom surfaces of the leg portions. The top and bottom surfaces of the connecting portion include second projections defining a second angle with the respective top and bottom surfaces of the connecting portion. The first and second angles are different. | 07-12-2012 |
20120185046 | INTERBODY CONTAINMENT IMPLANT - An interbody containment implant includes a body configured for delivery along a surgical pathway and disposed adjacent vertebrae. The body defines a cavity. At least one biologically compatible agent is configured for disposal within at least the cavity. A barrier is connected to the body and configured to be deployed to prevent the agent from migrating into the surgical pathway. Methods of use are disclosed. | 07-19-2012 |
20120185047 | REINFORCED CARBON FIBER/CARBON FOAM INTERVERTEBRAL SPINE FUSION DEVICE - An intervertebral implant for placement in the intervertebral space between two adjacent vertebral bodies is provided. The implant comprises a hollow cage and a porous core received within the cage. The cage comprises a superior surface configured to contact a first vertebral body, an inferior surface configured to contact a second vertebral body, and an outer wall extending between the superior surface and inferior surface. The outer wall comprises an exterior surface defining the outer perimeter of the implant, and an interior surface defining an inner (hollow) space or void. The porous core is received within the inner space or void, and preferably fills the void. The core comprises a carbonaceous matrix comprising a continuous phase having a surface and defining a plurality of open spaces throughout said matrix. Suitable carbonaceous matrices are selected from the group consisting of carbon foam, graphite foam, and combinations thereof. Methods of making and using the same, along with kits to facilitate such use are also provided. | 07-19-2012 |
20120185048 | ARTIFICIAL SPINAL DISK PROSTHESIS - The present invention provides an intervertebral endoprosthesis disc for surgical implantation between two vertebrae having an endoprosthesis body comprising an anterior region and a posterior region designed to be positioned between a first vertebra and a second vertebra with a first and second movable insert positioned rotatably in anterior cavities and is rotatable to adjust the fasteners. | 07-19-2012 |
20120185049 | EXPANDABLE INTERVERTEBRAL IMPLANT AND ASSOCIATED SURGICAL METHOD - The present invention provides an expandable intervertebral implant, including: a superior member configured to engage a superior intervertebral body; an inferior member configured to engage an inferior intervertebral body; and an expansion mechanism disposed between the superior member and the inferior member configured to selectively adjust a separation of the superior member from the inferior member; wherein the expansion mechanism includes a proximal wedge structure and a distal wedge structure that are relatively translated between the superior member and the inferior member, wherein the proximal wedge structure and the distal wedge structure are each coupled to the superior member and the inferior member by a plurality of aligned and/or staggered (i.e. nested) track structures and rail structures. | 07-19-2012 |
20120191193 | INTERBODY IMPLANT SYSTEM AND METHODS OF USE - An interbody implant spacer includes a flexible body defining a first surface configured for engagement with a first vertebral surface and a second surface configured for engagement with a second vertebral surface. The first surface includes at least one pre-formed protrusion extending outwardly therefrom. The body is expandable between a first, non-expanded configuration such that the at least one protrusion extends outwardly from the first surface and a second, expanded configuration such that the at least one protrusion extends outwardly from the first surface to engage the first vertebral surface and at least a portion of the second surface engages the second vertebral surface. Methods of use are disclosed. | 07-26-2012 |
20120191194 | INTERVERTEBRAL IMPLANT - An adjustable spinal fusion intervertebral implant is provided that can comprise upper and lower body portions that can each have proximal and distal wedge surfaces disposed at proximal and distal ends thereof. An actuator shaft disposed intermediate the upper and lower body portions can be actuated to cause proximal and distal protrusions to converge towards each other and contact the respective ones of the proximal and distal wedge surfaces. Such contact can thereby transfer the longitudinal movement of the proximal and distal protrusions against the proximal and distal wedge surfaces to cause the separation of the upper and lower body portions, thereby expanding the intervertebral implant. | 07-26-2012 |
20120191195 | INTERVERTEBRAL DISC REPLACEMENT - An intervertebral disc replacement has two members attached to vertebral body endplates of two adjacent vertebrae. The two members are formed with respective articulation surfaces which form at least part of an articulation arrangement. When loaded with compressive axial force, the articulation arrangement supports the vertebral contact surfaces against the compressive force to ensure a predefined minimum intervertebral spacing, and allows a range of turning motion in all directions. The articulation arrangement is formed to provide an increase in the intervertebral spacing as a smooth function of angular displacement from a neutral position over at least part of the range of motion in each direction for each direction of motion, thereby providing motion attenuation and restoring forces. | 07-26-2012 |
20120191196 | Vertebral Cage Device With Modular Fixation - Intervertebral arthrodesis for insertion in an intervertebral space separating opposite faces of two adjacent vertebrae has a ring shaped intervertebral cage having a bar that extends perpendicular to the axis of the spine. The bar has a height less than the rest of the cage. A surface of the cage contacting the vertebrae has an undulating shape for limiting sliding of the cage in a plane parallel to the vertebrae faces. | 07-26-2012 |
20120191197 | NUCLEUS AUGMENTATION DELIVERY DEVICE AND TECHNIQUE - A method of performing a procedure on an intervertebral disc includes inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, positioning an expandable portion of the tube within the opening in the annulus fibrosus, expanding the expandable portion into contact with the annulus fibrosus about the opening to create a seal between the expandable portion and the annulus fibrosus, performing a procedure through the cannulated delivery tube within the annulus fibrosis, removing the tube, and closing the opening in the annulus fibrosus. | 07-26-2012 |
20120191198 | CERVICAL INTERVERTEBRAL PROSTEHSIS - An intervertebral disc prosthesis having two cover plates and a prosthesis core that extends to the circumferential edge of the cover plates. The prosthesis core is mounted to the lower cover plate and forms a spherical sliding surface with the upper cover plate. The connection surface of the cover plates may be set back from the circumferential perimeter of the cover plates to provide an optimum size of the spherical sliding surface despite the set-back nature of the connection surface. The set-back is configured as an inclined transition surface that adjoins the connection surface to the circumferential edge. The set-back allows the intervertebral disc prosthesis to be fully inserted into the prepared disc space into the spared dorsolateral corners without protruding ventrally. | 07-26-2012 |
20120197401 | INTERBODY SPINAL IMPLANTS WITH MODULAR ADD-ON DEVICES - An implant assembly for a spinal column includes at least an interbody element and an add-on element that is removably attachable to the add-on element to form an implant assembly. At least a portion of the add-on element is positionable in a space between vertebrae along with the interbody element to support the vertebrae. | 08-02-2012 |
20120197402 | INTERVERTEBRAL IMPLANT WITH ROTATING MEMBER - An implant for spacing apart skeletal structures. The implant includes a base, a rotatable member, and a connector. The base extends around at least a portion of the member, and the member is pivotally connected to the base by the connector. The member includes a first pair of opposing sides that have a first height that is smaller than or equal to a height of the base, and a second pair of opposing sides that have a second height larger than the base. The member is movable to a first rotational position with the first pair of opposing sides facing in the same direction as the sides of the base such that the member is shorter than or equal to the base. The member is also movable to a second rotational position with the second pair of opposing sides facing in the same direction as the sides of the base such that the member is taller than the base. | 08-02-2012 |
20120197403 | EXPANDABLE MEDICAL IMPLANT - An implant with an adjustable height for spacing apart skeletal structures. The implant includes a base with a hollow interior. Collars include threaded inner surfaces and are positioned within the hollow interior of the base and are rotatable relative to the base. Threaded posts extend outward from the base and are threaded into the collars. Rotation of the collars adjusts an amount that the threaded posts extend outward from the base. An overall height of the implant can be adjusted to accommodate the size of the space and for the posts to contact against and space apart the skeletal structures. | 08-02-2012 |
20120197404 | INTERVERTEBRAL IMPLANT HAVING EXTENDABLE BONE FIXATION MEMBERS - An intervertebral implant is configured to be fixed in an intervertebral space defined by a first vertebral body and a second vertebral body. The intervertebral implant includes an implant body sized to be inserted into an intervertebral space, and a fixation assembly carried by the implant body. The fixation assembly includes a fixation housing and a plurality of fixation members attached to the fixation housing. The fixation assembly can be iterated from a retracted position to an extended position that causes the fixation members to travel along a channel of the implant body and out the implant body so as to attach the implant to the first and second vertebral bodies. | 08-02-2012 |
20120197405 | INTERVERTEBRAL IMPLANT - An intervertebral implant and related methods of use are provided for treatment of spaces between two vertebrae. The implant can comprise a first member and a second member that are configured for engagement in a stacked configuration. The first member and second member can be inserted separately so that the intervertebral space can be reached through limited access pathways. The first member and second member can be coupled in situ in the intervertebral space to form an implant of desired height. In this manner, an intervertebral implant having final dimensions that would not fit through a limited access pathway can be implanted through the access pathway by inserting the implant in separate member pieces. | 08-02-2012 |
20120197406 | Anterior Prosthetic Spinal Disc Replacement - The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine. The present invention also relates to a method for implanting a prosthetic spinal disc via anterior or anterior lateral implantation. Other surgical approaches for implanting the prosthetic disc may also be used. | 08-02-2012 |
20120203344 | SYSTEM AND METHODS FOR INSERTING A SPINAL DISC DEVICE INTO AN INTERVERTEBRAL SPACE - A system for replacing a natural nuclear disc in an intervertebral space has a spinal device configured for placement in the intervertebral space. An insertion tool is configured for holding the spinal device while the spinal device is inserted into the intervertebral space. A gripping member of the insertion tool has an end for adjustably holding the spinal device within the intervertebral space. A steering actuator of the insertion tool is operably connected to the spinal device and configured for pivoting the adjustably held spinal device within the intervertebral space while the steering actuator is controlled remotely from the intervertebral space. | 08-09-2012 |
20120203345 | Lumbar Disc Replacement Implant for Posterior Implantation with Dynamic Spinal Stabilization Device and Method - The invention consists of disc replacement implant for the lumbar spine designed for insertion into the disc space via a posterior approach. The implant can be stabilized in the disc space by connection to the vertebra or can be connected to dynamic spinal stabilization device consisting of interconnected bullets nested in a spring nested in a woven sleeve. By controlling the limits of elongation and compression the device prevents movement beyond normal physiological limits. In the midrange of movement flexibility is allowed. A method for using the dynamic spinal stabilization device is also provided. | 08-09-2012 |
20120203346 | IMPLANT, METHOD AND TOOL FOR KYPHOPLASTY - An implant contains two end pieces disposed coaxially and at an axial distance, a cage, which connects the end pieces, and webs connecting the two end pieces. The two ends of each web are offset from each other by an equal initial angle in an initial state of the implant. The implant can be expanded by rotation of the end pieces in opposite directions about the center longitudinal axis. A tool for the implant has a handle and a main element with a receptacle for the implant and with two rotating devices, which act with a force fit on engaging elements of the implant and can be rotated oppositely in relation to each other. | 08-09-2012 |
20120203347 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 08-09-2012 |
20120203348 | PUSH-IN INTERBODY SPINAL FUSION IMPLANTS FOR USE WITH SELF-LOCKING SCREWS - An apparatus including an interbody spinal fusion implant having a leading end, a trailing end, and a length therebetween, and opposed upper and lower portions adapted to contact each of the adjacent vertebral bodies. Each of the upper and lower portions having at least one opening adapted to communicate with one each of the adjacent vertebral bodies and to communicate with one another to permit for the growth of bone from vertebral body to adjacent vertebral body through the implant. Each of the upper and lower portions has at least one screw hole passing therethrough proximate the trailing end. The apparatus further includes bone screws adapted for placement through the screw holes of the upper and lower portions and into each of the adjacent vertebral bodies adjacent the disc space to be fused and into which the implant is adapted to be positioned. | 08-09-2012 |
20120209385 | Anterior intervertebral fusion with fixation system, device and method - A system, device, and method are disclosed for anterior intervertebral fusion with fixation. An intervertebral fusion with fixation device includes a spacer configured to fit into a disc space between plural vertebrae, the spacer including through holes between and through plural sidewalls. A first fixating element is rigidly preloaded in a first portion of the spacer along a first linear trajectory. A second fixating element is rigidly preloaded in a second portion of the spacer along a second linear trajectory. An integrated drill and screwdriver instrument is adapted to extend through a cannula of the first fixating element and second fixating element and penetrate the vertebra. The instrument is further adapted to drive the head of the first fixating element and second fixating element into the vertebra and lock the first fixating element and second fixating element with respect to the spacer to prevent extrusion from the spacer. | 08-16-2012 |
20120209386 | EXPANDABLE INTERVERTEBRAL IMPLANTS AND INSTRUMENTS - Systems for interbody fusion of adjacent bone portions may include an expanding implant and related instruments. An expanding implant may be formed as a linkage which is movable between a compact configuration and an expanded configuration. A shaft of the implant may increase and decrease in length to move between the compact and expanded configurations, and an implant width perpendicular to the length may be increased in the expanded configuration. The implant width may increase more in a first direction than a second direction opposite the first direction. An inserter instrument may releasably grasp the spacer and transform the implant between the compact and expanded configurations. | 08-16-2012 |
20120209387 | Methods and Systems for Repairing an Intervertebral Disc Using a Transcorporal Approach - The invention includes a system and methods for performing surgery on a spinal disc. The system includes an implantable bone plate with an access port to accommodate a bone cutting device, a spinal repair device insertable through the access port of the bone plate configured to occupy a surgically-formed vertebral channel from an anterior surface of the host vertebral body to a site central to an end plate of the host vertebral body, a trajectory control sleeve engageable to the bone plate to direct the trajectory of a cutting device, and a cutting device engageable within the trajectory control sleeve. Methods are directed to forming a vertebral channel and restoring the vertebral body and disc with devices that both repair the bone and the disc. | 08-16-2012 |
20120209388 | Systems and Methods for Spinal Fusion - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 08-16-2012 |
20120209389 | ARTIFICIAL DISC REPLACEMENT DEVICE - An artificial disk replacement device includes opposing plate members with a pivoting assembly disposed therebetween. The pivoting assembly allows the plate members to pivot relative to each other in a first direction, but inhibit movement of the plate members in a second direction. The plate members may be installed prior to installing the pivoting assembly. An installation tool for use with the artificial disk replacement device is also disclosed. | 08-16-2012 |
20120215313 | EXPANDABLE INTERBODY FUSION IMPLANT - Disclosed is an expandable interbody fusion implant that is configured to have an initial configuration having a first footprint width suitable for being inserted into an intervertebral space and an expanded configuration having a second footprint width that is greater than the first footprint width. The implant may include a first body member and a second body member that is pivotally coupled to the first body member. The implant may be expanded using an inflatable balloon. The implant may be expanded bilaterally such that both body members rotate relative to the other or the implant may be expanded unilaterally such that one of the body members rotates relative to the other. | 08-23-2012 |
20120215314 | Six Degree Spine Stabilization Devices and Methods - An implant stabilizes two adjacent bones of a joint, while enabling a natural kinematic relative movement of the bones. Support components are connected to each bone of the joint, and a flexible core is interposed between them. The core and at least one of the support components are provided with a smooth sliding surface upon which the core and support component may slide relative to each other, enabling a corresponding movement of the bones. The surfaces may have a mating curvature, to mimic a natural movement of the joint. The core is resilient, and may bend or compress, enabling the bones to move towards each other, and or to bend relative to each other. | 08-23-2012 |
20120215315 | APPARATUS AND METHOD FOR STABILIZING ADJACENT BONE PORTIONS - A method and apparatus for stabilizing first and second adjacent bone portions. The method includes the steps of: providing a spacer; providing a stabilizer, with the spacer and stabilizer configured to be movable guidingly, one relative to the other, between a pre-assembly relationship and an operative relationship; and placing the spacer and stabilizer into an operative relationship with the first and second adjacent bone portions. As an incident of the spacer and stabilizer being changed from their pre-assembly relationship into the operative relationship with each other and the first and second bone portions, the spacer, stabilizer and first bone portion cooperate to cause the first bone portion and spacer to be urged towards each other. The method may be carried out by moving the stabilizer and spacer, and all auxiliary parts and handling and assembling instruments, substantially in a single plane along one line or parallel lines. | 08-23-2012 |
20120215316 | EXPANDABLE INTERVERTEBRAL SPACER - A spinal implant system, specifically an intervertebral spacer. The system is designed to change its physical conformation from a minimal profile to an expanded state, enabling it to be placed through a smaller incision and operative cannula. The ability to change from a minimal profile to an expanded state may be accomplished through pivoting of support bodies, or expansion through a screw system, or sliding of the support bodies perhaps along an oblong surface. The system will allow for long-term promotion of osteointegration. | 08-23-2012 |
20120215317 | Systems and Methods for Spinal Fusion - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 08-23-2012 |
20120215318 | IMPLANT WITH OPENINGS ADAPTED TO RECEIVE BONE SCREWS - A spinal fusion implant for surgical implantation at least in part within a disc space between two adjacent vertebral bodies in a segment of a human spine. The implant has a trailing end with bone screw receiving holes that each have a diameter that intersects with one of the upper and lower surfaces of the implant to form a perimeter that extends from an exterior surface of the trailing end towards an interior surface of the trailing end. | 08-23-2012 |
20120221107 | Disk Fusion Implant - An implant strip is disclosed. In some cases, the prosthesis can take the form of an implant strip that may be implanted through the use of a surgical procedure that minimizes incision sizes and may be considered less invasive than typical spinal implant procedures. The implant strip includes provisions for implantation, including teeth, spacing provisions, and various shapes. | 08-30-2012 |
20120221108 | ORTHOPEDIC DEVICE ASSEMBLY WITH ELEMENTS COUPLED BY A RETAINING STRUCTURE - The present invention provides an orthopedic device assembly comprising a first assembly element, a second assembly element, and a retaining mechanism. The first assembly element has a recess that receives the second assembly element, and the retaining mechanism holds the second element in an assembled state with the first assembly element. The retaining mechanism includes a retaining member with an angular cross-section defined by a base portion and a lateral flange portion projecting from the base portion. The retaining member is inserted through an aperture of the first assembly element into a groove in a wall of the recess of the first assembly element, with the flange portion projecting laterally of the groove and overhanging a shoulder portion of the second assembly element so as to retain the second assembly element in the assembled state with the first assembly element. | 08-30-2012 |
20120226356 | EXPANDABLE CORPECTOMY CAGE - A corpectomy cage is provided with upper and lower telescoping members which move axially between extended and retracted positions. A fixed length sleeve fits over the telescoping members. The sleeve is load bearing to support axial loads on the cage from vertebral bodies. The sleeve also prevents the telescoping members from retracting and encloses an internal cavity within the cage for packing bone fusion material. | 09-06-2012 |
20120226357 | EXPANDABLE INTERVERTEBRAL IMPLANT AND ASSOCIATED SURGICAL METHOD - The present invention provides an expandable intervertebral implant, including: a superior member configured to engage a superior intervertebral body; an inferior member configured to engage an inferior intervertebral body; and an expansion mechanism disposed between the superior member and the inferior member configured to selectively adjust a separation of the superior member from the inferior member; wherein the expansion mechanism includes a proximal wedge structure and a distal wedge structure that are relatively translated between the superior member and the inferior member, wherein the proximal wedge structure and the distal wedge structure are each coupled to the superior member and the inferior member by a plurality of aligned and/or staggered (i.e. nested) track structures and rail structures; and wherein a load-bearing portion of a bottom surface of the superior member is configured to mate vertically with a load-bearing portion of a top surface of the inferior member when the expansion mechanism is undeployed via conformal protruding and recessed features. | 09-06-2012 |
20120226358 | SPINAL FUSION CAGE WITH REMOVABLE PLANAR ELEMENTS - The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation. | 09-06-2012 |
20120232658 | METHOD AND APPARATUS FOR MINIMALLY INVASIVE INSERTION OF INTERVERTEBRAL IMPLANTS - A dilation introducer for orthopedic surgery is provided for minimally invasive access for insertion of an intervertebral implant. The dilation introducer may be used to provide an access position through Kambin's triangle from a posterolateral approach. A first dilator tube with a first longitudinal axis is provided. A second dilator tube may be introduced over the first, advanced along a second longitudinal axis parallel to but offset from the first. A third dilator tube may be introduced over the second, advanced along a third longitudinal axis parallel to but offset from both the first and the second. An access cannula may be introduced over the third dilator tube. With the first, second, and third dilator tubes removed, surgical instruments may pass through the access cannula to operate on an intervertebral disc and/or insert an intervertebral implant. | 09-13-2012 |
20120232659 | Angling Inserter Tool For Expandable Vertebral Implant - The present invention relates to a method of inserting an implant comprising providing an expandable vertebral implant. The method further may comprise providing an angling inserter tool. The angling inserter tool comprises a handle portion, a base portion, and a tip assembly, the base portion being disposed between the handle portion and the tip assembly. The method further may comprise distally advancing a central shaft of the tip assembly with rotation into an opening in the expandable vertebral implant to secure the angling inserter tool to the expandable vertebral implant. The method further may comprise positioning the expandable vertebral implant in a patient's spine. The method further may comprise for causing the tip assembly to angulate with respect to a longitudinal axis of the angling inserter tool, wherein the internal shaft is coaxial with an outer cylinder of the base portion. | 09-13-2012 |
20120232660 | Expandable Trial Assembly For Expandable Vertebral Implant - The present invention relates to a method of inserting an implant comprising providing a trial assembly. The method may further comprise positioning the trial assembly between vertebrae in a patient. The method may further comprise rotating a drive shaft of the trial assembly to cause upper and lower gear members of the trial assembly to rotate causing expansion of a tip assembly of the trial assembly. The method may further comprise measuring expansion of the trial assembly with a scale at a proximal end of the trial assembly. The method may further comprise removing the trial assembly from the patient. The method may further comprise positioning an implant between the vertebrae in the patient. The method may further comprise expanding the implant based on the measured expansion of the trial assembly. | 09-13-2012 |
20120232661 | MULTI-LOBE ARTIFICIAL SPINE JOINT - An artificial disc is provided which more closely matches the movement of the natural spine. The artificial disc uses one or more projections and corresponding recesses to provide a sliding articulation. The artificial joint is inherently stable in that compressive forces placed on the disc such as the weight placed upon the joint or the tension of surrounding tissues urges the joint towards a neutral position and not farther away from a neutral position. | 09-13-2012 |
20120232662 | ARTIFICIAL INTERVERTEBRAL DISC PLACEMENT SYSTEM - An intervertebral disc placement system includes a multi part intervertebral disc, such as a mobile core disc, and an associated placement instrument. The placement instrument holds the disc securely with the disc endplates angled for ease of placement of the disc into an intervertebral disc space and quickly releases the implant within the disc space. The disc includes upper and lower plates having notches in inner surfaces for engagement of the placement instrument. The placement instrument has a rotatable key configured to fit into the first and second notches to grasp the disc from the interior and eliminate the need for an external grasping mechanism which could interfere with disc placement. | 09-13-2012 |
20120232663 | INTERVERTEBRAL SPACER IMPLANT WITH PIVOTALLY ENGAGED LINKS - An intervertebral spacer implant can include: a plurality of links, each link having a hole bored along an axis of said link and said hole of each link of said plurality of links aligns to form a channel bored through said plurality of links, wherein a first link of said plurality of links is pivotally engaged to a second link of said plurality of links. The implant can include an elongated member, such as a guide wire, adapted to retain said plurality of links, wherein said elongated member is configured to mate with each said hole of each link of said plurality of links. At least one link of the plurality of links includes a body having one or more textured sides. The elongated member is adapted to allow said plurality of links to rotatably articulate with respect to one another, such as by a hinge. | 09-13-2012 |
20120232664 | INSTRUMENTS AND INTERBODY SPINAL IMPLANTS ENHANCING DISC SPACE DISTRACTION - An apparatus for distracting a disc space having an annulus. The apparatus includes a spinal implant having a pre-determined size sufficient to balance frictional fit in the disc space and elongation of the annulus. The implant has a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions defining a substantially hollow center and a single vertical aperture. At least one of the opposing anterior and posterior portions presents a substantially flat impact face including an opening with an instrument retention feature. The apparatus also includes a rasp, a plurality of distractors, and an instrument able to engage and manipulate the spinal implant, the rasp, and the plurality of distractors. The size-specific rasp is adapted to clear the disc space of all soft tissue and cartilage. The plurality of distractors have progressively increasing heights adapted to distract the disc space before use of the spinal implant. | 09-13-2012 |
20120232665 | Devices and Methods for Treating Tissue Defects - The present disclosure describes embodiments for treating a defect in a tissue, the tissue having internal and external surfaces. A device includes a first portion for positioning at one of the internal and external surfaces for applying a treatment force to the defect. In addition, the device has a second portion for applying a counter-force, where the second portion is operable to be positioned so that the counter-force is applied on the other of the internal and external surfaces, away from the defect so as to substantially avoid application of force at the defect. Furthermore, the device includes a coupling member for connecting the inner and outer portions. Methods of using the device are described, for example in an intervertebral disc having a herniation. | 09-13-2012 |
20120239149 | APPARATUS FOR REPLACING A DAMAGED SPINAL DISC - An apparatus for replacing a damaged spinal disc in a spinal column includes a first retaining device having an outer surface engageable with a first vertebra of the spinal column and an inner surface. A second retaining device has an outer surface engageable with a second vertebra of the spinal column and an inner surface. A resilient core has a first surface and a second surface. The first surface engages the inner surface of the first retaining device. The second surface engages the inner surface of the second retaining device. The resilient core has a tapered radially outer surface extending from adjacent the first surface to adjacent the second surface. The first retaining device may have a flange extending toward the second retaining device. A concave surface may extend between the first surface and the radially outer surface. The concave surface of the core may engage the flange when the apparatus is free of a load. | 09-20-2012 |
20120239150 | Friction Fit and Vertebral Endplate-Preserving Spinal Implant - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, a single vertical aperture, and a roughened surface topography on at least the top surface. The posterior portion has a generally rounded nose profile, and has a shorter height than the anterior portion such that the spinal implant comprises a lordotic angle for aligning the spine of a patient. The junctions of the top and bottom surfaces and the anterior portion comprise a sharp edge to resist expulsion of the spinal implant upon implantation. | 09-20-2012 |
20120239151 | METHOD OF USING INSTRUMENTS AND INTERBODY SPINAL IMPLANTS TO ENHANCE DISTRACTION - A method of using an interbody spinal implant by implanting the spinal implant into a patient in need of the spinal implant. The method includes accessing the disc space of the patient and locating the center of the disc space. The disc space is incised by making a window in the annulus of the disc space for insertion of the spinal implant. The endplates are cleaned of all cartilage and the disc structure, which is encapsulated by the annulus, is removed while avoiding damage to the endplate structure of the vertebrae. Optionally a size-specific rasp is selected and the disc space is cleared of all soft tissue and cartilage. Optionally the disc space is distracted by sequentially expanding it with distractors of progressively increasing heights. A spinal implant having a pre-determined size sufficient to balance frictional fit and elongation of the annulus is selected and seated in the disc space. | 09-20-2012 |
20120239152 | ENDPLATE-PRESERVING SPINAL IMPLANT WITH AN INTEGRATION PLATE HAVING A ROUGHENED SURFACE TOPOGRAPHY - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and single vertical aperture, as well as an integration plate having a roughened surface topography on its top surface. | 09-20-2012 |
20120239153 | ENDPLATE-PRESERVING SPINAL IMPLANT HAVING A RAISED EXPULSION-RESISTANT EDGE - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and single vertical aperture, as well as an integration plate having a roughened surface topography on its top surface. The integration plate and implant body are joined together with a durable connection. | 09-20-2012 |
20120239154 | ENDPLATE-PRESERVING SPINAL IMPLANT WITH AN INTEGRATION PLATE HAVING DURABLE CONNECTORS - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and single vertical aperture, as well as an integration plate having a roughened surface topography on its top surface. The integration plate and implant body are joined together durable, complementary tongue and groove connections. | 09-20-2012 |
20120245688 | Universal disc prosthesis - A disc prosthesis designed to effectively replace a damaged intervertebral disc, enabling the various normal movements between two adjacent vertebral bodies and controlling these movements and their extent within the same physiological limits that determine the relative motions of two adjacent vertebrae separated by a healthy intervertebral disc. | 09-27-2012 |
20120245689 | INTERBODY DEVICE INSERTION SYSTEMS AND METHODS - Provided is a system for implanting an interbody device into a disc space located between a first and second vertebra includes a guide frame including a guide member having an opening. The system further includes an implant trial including an elongated body and a base plate coupled to the elongated body. The elongated body of the implant trial is releasably coupled to the guide member of the guide frame during use such that the opening guides longitudinal movement of the implant trial relative to the guide frame. The system still further includes a dilator operatively coupled to the elongated body during use for distracting the disc space. The system still further includes an insertion instrument including an elongated body and an insertion member coupled to the elongated body. The elongated body of the insertion instrument is releasably coupled to the guide member of the guide frame during use such that the opening guides longitudinal movement of the insertion instrument relative to the guide frame. The insertion member is releasably coupled to at least a portion of the interbody device during use. | 09-27-2012 |
20120245690 | LOCKING SPINAL FUSION DEVICE - A spinal fusion device for implantation between spinal vertebrae includes an implant member having an opposed upper and lower surface, an outer sidewall having an aperture having internal threads, and an inner sidewall defining a central opening. A plate member is attached to the implant member such that the plate member is perpendicular relative to the implant member and includes a plurality of angled apertures for receiving anchoring fasteners and a central aperture for receiving a locking fastener. A locking member is attached to the cage member. The locking member includes a tubular shaft having internal threads that is inserted through the aperture of the outer sidewall of the implant member. A locking fastener is inserted through the central aperture of the plate member and into the locking member to thereby lock the spinal fusion device in position. | 09-27-2012 |
20120245691 | EXPANDABLE INTERBODY SPACER - An expandable intervertebral spacer includes a body, a proximal end, and a distal end. The body includes quadrants that form a substantially cylindrical shape in a first configuration and a substantially cuboidal shape in a second configuration. Each quadrant includes a ramp portion with a ramp and a landing and a sliding portion with a sliding side and a foot. The ramp portion of a first quadrant engages the sliding portion of a second quadrant. The proximal end and the distal end couple with the plurality of quadrants and transfer an actuating force to expand the body from the first configuration to the second configuration. | 09-27-2012 |
20120245692 | Method and Apparatus for Computerized Surgery - An implant for use in spinal surgery comprises a resilient element having an inflatable cavity. It is formed of a biologically compatible material and is arranged for placement between end plates of adjacent vertebra. The implant may also include a wound disc replacement element. A method of performing spinal surgery on a patient comprises securely mounting a patient onto a patient support table; imaging a spinal region of the patient; building up a three-dimensional image file of the spinal region of the patient; storing the image file; and utilizing the image file for planning and carrying out computer controlled spinal surgery on the patient utilizing the implant. A computer-controlled surgical implant system comprises a steerable endosurgical implanting assembly operative to install the implant at a desired location in a patient; and a computerized controlled, which operates the steerable endosurgical implanting assembly. | 09-27-2012 |
20120245693 | SPINAL FIXATION DEVICE - A spinal fixation device includes a proximal surface having a first portion defining a first plane and a second portion defining a second plane. The first and second planes define a first angle in relation to each other. The first and second planes define first through holes and a second through hole, respectively. The first through holes each define a first longitudinal axis, and the second through hole defines a second longitudinal axis. In particular, the first and second longitudinal axes define a second angle in relation to each other. The first through holes define a first center line on the first plane, and the second through hole defines a second center line on the second plane. The first and second center lines are disposed on opposite sides of a center line defined by the proximal surface. | 09-27-2012 |
20120245694 | ENDPLATE-PRESERVING SPINAL IMPLANT WITH AN INTEGRATION PLATE HAVING DURABLE CONNECTORS - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and single vertical aperture, as well as an integration plate having a roughened surface topography on its top surface. The integration plate and implant body are joined together with a durable connection. | 09-27-2012 |
20120245695 | Lockable Spinal Implant - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. Angular deformities can also be corrected, and natural curvatures restored. Preferably, the implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system preferably having a plurality of locking elements to lock the implant in an extended configuration. | 09-27-2012 |
20120245696 | SPINAL IMPLANT APPARATUS AND METHODS - A method of inserting and positioning an intervertebral spacer is provided. The spacer includes a longitudinal axis, an on-axis interface coincident with or parallel to the longitudinal axis, and an off-axis interface angled to the longitudinal axis. The spacer's front end may be curved. The method may include inserting the spacer into the disc space utilizing a tool to engage an on-axis interface and then to engage one or more of the off-axis interfaces, which may be used for further modification of the spacer. The tool is moved substantially along a single insertion direction, which may be substantially parallel to a posterior-anterior axis of the disc space. The method may result in the longitudinal axis of the spacer being perpendicular to the insertion direction, or substantially parallel to a medial-lateral axis of the disc space. The spacer may also be positioned in an anterior aspect of the disc space. | 09-27-2012 |
20120253466 | METHODS AND DEVICES FOR THE TREATMENT OF INTERVERTEBRAL DISCS DISORDERS - Devices for the treatment of intervertebral discs are described. The devices, when implanted into the nucleus pulposus of an intervertebral disc, are specifically configured with an inert outer layer and an inner layer containing at least one chemonucleolysis agent so as to provide a delayed and controlled release of the chemonucleolysis agent from the inner layer into the disc. The implant can be an elongated solid body having a tapered or rounded insertion end having at least one therapeutic agent in the inner layer of the implant surrounded by an outer layer of inert material. | 10-04-2012 |
20120259416 | LATERALLY EXPANDABLE INTERBODY SPINAL FUSION IMPLANT - A spinal implant particularly adapted for lateral expansion while disposed in the disc space between adjacent vertebrae. The implant includes a first frame member pivotally linked to a second frame member via at least one, and preferably multiple, pivoting links. The implant may be inserted into the disc space in a collapsed configuration using a lateral approach, and then expanded in the anterior-posterior direction (lateral to insertion direction) to a deployed configuration where the first and second frame members are farther apart. The implant may be expanded by holding one frame member and pushing on the other frame member or one or more proximal links linking the two frame members. | 10-11-2012 |
20120265305 | Pivoting Insertion Apparatus and Method - A pivoting insertion apparatus and method includes a main body comprising a shaft including a longitudinal channel cavity and a forked end coupled to the shaft; an actuator seated within the channel cavity; a hinge joint including a hinge joint main body coupled to the main body and a pair of arms coupled to the hinge joint main body; an outer sleeve including an outer shell surrounding a cavity that loosely contains the main body, actuator, and a portion of the hinge joint; a member housing including a member housing body that includes a main cavity housing the longitudinal member and a pair of arms coupled to the member housing body; and a linkage component including a first end coupled to the forked end of the actuator and a second end coupled to at least one of the member housing arms. | 10-18-2012 |
20120265306 | SPINAL IMPLANT WITH ATTACHABLE BONE SECURING COMPONET - A spinal implant for insertion into an intervertebral disc space for intervertebral stabilization, the implant comprising a radiopaque substrate having bone securing serrations coupled to a radiolucent insert. The implant's radiolucent and radiopaque properties facilitate radiographic assessment of fusion across the disc space, assessment of osseointegration between vertebral endplates and osseointegration of the implant to adjacent vertebral end plates. The implant comprises an implant substrate having at least one insert cavity and bone securing serrations, and at least one insert component, whereby the insert component is configured to be securely coupled to the implant substrate via the at least one insert cavity thereby forming the implant. The implant preferably comprises a Titanium (Ti) substrate coupled to a polyetheretherketone (PEEK) insert component whereby the implant serrations are positioned between adjacent vertebral endplates when the implant is inserted into the disc space thereby securely positioning the implant between the adjacent vertebrae. | 10-18-2012 |
20120265307 | Implantable Intervertebral Fusion Device - The present application relates to an implantable intervertebral fusion device for use when surgical fusion of vertebral bodies is indicated. The implant is comprised of bone conforming in size and shape with the end plates of the adjacent vertebrae and has a wedge-shaped profile with a plurality of footings and grooves located on the top and bottom surfaces. | 10-18-2012 |
20120265308 | OSTEOGENIC FUSION DEVICE - An osteogenic fusion device is provided that includes opposite end pieces with an integral central element. The end pieces are sized to maintain the height of an intervertebral disc space. The central element has a smaller diameter so that the fusion device forms an annular pocket around the central element. An osteogenic material is disposed within the annular pocket between the opposite end pieces. The osteogenic material is in direct contact with the adjacent vertebral bone. The inventive osteogenic fusion device reduces stress-shielding and minimizes the radiopacity of the implant so that growth of the fusion mass can be continuously assessed. The osteogenic fusion devices of the present invention may be combined with other fusion devices to form an implant system. Methods of promoting fusion bone growth in the space between adjacent vertebrae utilizing devices and systems of the invention are also described. | 10-18-2012 |
20120265309 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 10-18-2012 |
20120265310 | SPINE SURGERY METHOD AND INSERTER - A surgical inserter for use in inserting an implant into a vertebral space may include: (a) a handle; (b) a gripper having one end attached to the handle and a second end having a pair of arms; and (c) a grip activator having an opening that threadingly receives the gripper. The grip activator can be rotated in a first direction with respect to the gripper to cause the arms to move toward each other to grip the inserter and in a second direction with respect to the gripper to cause the arms to move away from each other to release the inserter. In one embodiment a compression force activator is used to deploy the implant and in another embodiment a tension force activator is used to deploy the implant. | 10-18-2012 |
20120265311 | Intervertebral Implant Facilitating Unilateral Placement, Instruments and Methods - Implants, tools and methods for performing unilateral posterior lumbar interbody fusion are provided. An interbody implant includes a body having a top and bottom surface extending along a length thereof; and first and second side surfaces extending between the top and bottom surfaces on opposite sides of the body. The height of the first side surface is greater than the height of the second side surface. | 10-18-2012 |
20120271421 | Apparatus and Method for Inserting Intervertebral Implants - An instrument for inserting an implant between vertebrae includes an upper and a lower ramp each having a respective proximal and a distal end. A bracket assembly is coupled to the upper and lower ramps at the proximal ends. The bracket assembly biases the upper and lower ramps closed at the distal end. A drive member has a longitudinal axis and a screw thread thereon. The drive member is disposed between the upper and lower ramps and extends through a passage in the bracket assembly. An adjustable spreader is operably coupled to the drive member and movable between the upper and lower ramps along the longitudinal axis by rotation of the drive member. The adjustable spreader separates the upper ramp from the lower ramp during forwardly movement along the longitudinal axis. An implant holder is coupled to the adjustable spreader. | 10-25-2012 |
20120271422 | EXPANDABLE IMPLANT SYSTEM AND METHODS OF USE - A spinal implant includes a first component defining a surface. A second component is movable relative to the first component and defines a surface. An intermediate component is engageable with the first component and the second component. The intermediate component is configured for relative movement along the surface of the second component and is configured for relative movement along the surface of the first component in a first axial direction and a second, opposite axial direction such that movement of the intermediate component moves the second component relative to the first component between a first configuration and a second configuration. Methods of use are disclosed. | 10-25-2012 |
20120271423 | SPINAL INTERBODY SPACER WITH SEMI-CONSTRAINED SCREWS - An intervertebral implant system is disclosed which includes a spinal spacer for engagement between vertebrae and at least one semi-constrained bone screw assembly. The spinal spacer includes a body extending between first and second end surfaces to define opposing top and bottom vertebral engaging surfaces. The second end surface of the body includes at least one aperture formed therethrough at an angle relative to the centerline axis and a screw opening defined therethrough. The semi-constrained bone screw assembly is adapted for insertion through the screw opening and includes a shank, a head and a rod member. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head. | 10-25-2012 |
20120271424 | SPINAL SURGERY APPARATUS AND METHOD - An apparatus and method for performing specific types of spinal surgeries make the surgeries easier and safer to perform. The apparatus and method assist in permanently locating a fusion cage within a spine. | 10-25-2012 |
20120277864 | CANNULA ASSEMBLY WITH NON-CIRCULAR PROFILE AND METHOD OF USE - A cannula assembly and related methods of use. The cannula assembly includes a cannula and a stylet. The cannula has an outer surface that is non-circular. Rotation of the cannula about its longitudinal axis changes the orientation of the cannula's larger outer dimension so that the cannula may be used as a distraction tool. Rotation is effected by rotating a stylet handle, which rotates the associated stylet shaft, which in turn rotates the cannula. Related methods include rotating a handle of the stylet, while the shaft of the stylet is disposed in the bore of the cannula, about the first longitudinal axis so as to rotate the cannula about the longitudinal axis to distract vertebral bodies. | 11-01-2012 |
20120277865 | EXPANDABLE IMPLANT SYSTEM AND METHODS OF USE - An implant includes a first component including a wall that defines a first surface and a second surface. The first surface defines a first opening and the second surface defines a second opening. The second opening is spaced apart from the first opening to define a cavity therebetween. A second component is supported by the first component and configured for movement relative thereto. The second component is movable between a first configuration such that the second component is disposed between the first opening and the second opening within the cavity and a second, expanded configuration such that the second component simultaneously passes through the first and second openings to extend from the cavity. Methods of use are also disclosed. | 11-01-2012 |
20120277866 | Angled Bullet-Nose Banana Cage - A banana-shaped cage adapted for use as an intervertebral fusion cage, wherein the leading direction of the nose of the banana cage is substantially in-line with the angle of the inserter shaft that inserts the cage into the disc space. It has been found that insertion of this cage requires lower insertion forces than the conventional cage whose leading direction substantially follows the arc of the banana curve. | 11-01-2012 |
20120277867 | Interbody fusion device and associated methods - A medical device comprising a non-enclosed housing configured to fit between two adjacent vertebrae; one or more housing fasteners extending at least partially through the housing, one or more driving mechanisms operationally positioned in relationship to at least one housing fastener, such that activation of at least one driving mechanism engages and drives at least one housing fastener to compress into at least one adjacent vertebrae and one or more plates removably coupled to the housing. | 11-01-2012 |
20120277868 | STAND ALONE INTERBODY FIXATION SYSTEM - An interbody spacer system includes a cage and at least one first fixation blade. The cage includes an anterior wall and a posterior wall connected by a pair of side walls. The at least one first fixation blade partially extends around an outer surface of a first of the pair of side walls and is positionable between a first configuration for insertion into a disk space between two vertebrae and a second configuration for attachment to a first of the vertebrae. | 11-01-2012 |
20120277869 | INTERVERTEBRAL IMPLANT FOR THE FUSION BETWEEN TWO VERTEBRAL BODIES OF A VERTEBRAL COLUMN AND CORRESPONDING POSITIONING INSTRUMENT - An intervertebral implant for the fusion between two vertebral bodies of a vertebral column may include a body having two opposite surfaces and holes or cavities for filling purposes during bone growth, and an engagement portion for receiving a gripping end of a positioning instrument. The engagement portion may be shaped as a splined shaft accessible through an opening of the body. | 11-01-2012 |
20120277870 | Spinal Interbody Implant With Bone Screw Retention - A spinal interbody implant has a bone screw retention mechanism that prohibits bone screws from backing out after the bone screws are installed. A bone screw retention plate is received in a plate retention area of the implant to provide a barrier that keeps the installed bone screws from backing out of their bone screw pocket. The bone screw retention mechanism consists of a retention plate and a configured plate retention area in a face of the implant body. Retention plate fasteners may be used to retain the configured plate. In one form, the bone screw retention mechanism consists of a retention plate, a configured plate retention area in a face of the implant body, and a retention plate bolt. In another form, the bone screw retention mechanism consists of a retention plate, a configured plate retention area in a face of the implant body, and a retention plate bolt. | 11-01-2012 |
20120277871 | INTERBODY FUSION SYSTEM WITH INTERVERTEBRAL IMPLANT RETENTION ASSEMBLY - An implant assembly is disclosed, and includes an implant member and a plate configured to be coupled with the implant member. The plate defines a horizontal plane and includes at least one bore through the plate. The bore has an inlet aperture and at least one exit aperture. The inlet aperture has a curvilinear seat. A fastener is configured for insertion through the at least one bore, and the fastener has a curved portion. The curved portion of the fastener is configured to contact the contact the curvilinear seat to secure the plate to the implant member. | 11-01-2012 |
20120277872 | Interbody fusion device with snap on anterior plate and associated methods - A method and apparatus is provided for use in spinal fusion procedures. An interbody fusion device has a first piece that is a load bearing device designed to bear the axial loading from the end plates of adjacent vertebrae. A second piece of the interbody fusion device is a retention device whose function is to prevent migration of the load bearing device. One or more fasteners secure the retention device to the vertebrae above and below the load bearing device. The fasteners cause the end plates of the vertebrae to compress the end plates to the load bearing device to facilitate proper fusion. The device includes a snap in mechanism for coupling the first piece to the second piece. | 11-01-2012 |
20120277873 | Interbody fusion device with lipped anterior plate and associated methods - A method and apparatus is provided for use in spinal fusion procedures. An interbody fusion device has a first piece that is a load bearing device designed to bear the axial loading from the end plates of adjacent vertebrae. A second piece of the interbody fusion device is a retention device whose function is to prevent migration of the load bearing device. One or more fasteners secure the retention device to the vertebrae above and below the load bearing device. The fasteners cause the end plates of the vertebrae to compress the end plates to the load bearing device to facilitate proper fusion. The second piece can be configured to include lips that abut the apothyseal rings during, with the plate including bores angled such that fasteners penetrate the apothyseal rings. | 11-01-2012 |
20120277874 | BONE IMPLANTS, SYSTEMS AND METHODS - An implantable elastic material configured for use with bone implants is provided with a wire wound in an axially expanded coil form, with the expanded coil formed into a tight mesh. In some embodiments, the wire is formed from a titanium alloy. Methods of manufacturing the implantable material, and implantable devices comprising the material are also disclosed. | 11-01-2012 |
20120277875 | SPINAL FUSION CAGE HAVING POST-OPERATIVE ADJUSTABLE DIMENSIONS - A spinal implant including first spinal attachment member for attaching to a first spinal portion, second spinal attachment member for attaching to a second spinal portion, and a post-implantation variable dimension device disposed between the first and second spinal attachment members, which is operable after completing surgery in which said spinal implant was installed into a patient, to cause relative movement between the first and second spinal attachment members. | 11-01-2012 |
20120277876 | SPINAL IMPLANT HAVING A PASSAGE FOR ENHANCING CONTACT BETWEEN BONE GRAFT MATERIAL AND CORTICAL ENDPLATE BONE - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, and a substantially hollow center in communication with a vertical aperture, which are filled with a bone graft material. The dimensions, shape, and position of the vertical aperture facilitate contact between the bone graft material and vertebral endplate bone to support and enhance bone growth. | 11-01-2012 |
20120277877 | INTERVERTEBRAL SPACER AND INSERTION TOOL PROVIDING MULTIPLE ANGLES OF INSERTION - An intervertebral spacer can have a leading end and a trailing end that includes an engaging portion configured to securely engage complementary features of an insertion tool at any of a plurality of different angles. The engaging portion can have a first radius and a major axis extending from the leading end to the trailing end. The trailing end can have a channel formed around a partially cylindrical portion having a second radius that is less than the first radius. The channel can be configured to accept an extending portion of the insertion tool. | 11-01-2012 |
20120277878 | Expandable Corpectomy Spinal Fusion Cage - An intervertebral expandable spacer having a pair of co-axial annuluses locked together by an engagement member having i) a set screw and ii) a pressure plate having an outer face contacting the set screw and an inner face having teeth adapted to mate with the ratchet notches of the second member. | 11-01-2012 |
20120283834 | Intervertebral body fusion implant device - An intervertebral body fusion implant device configured for being engaged between two adjacent vertebrae comprises an implant device body having an upper bone engaging portion and a lower bone engaging portion, a plurality of protrusions extending from each one of the upper and lower bone engaging portions, and a guide rail extending from each one of the bone engaging portions. A passage extends between the upper bone engaging portion and the lower bone engaging portion. The guide rail of each one of the bone engaging portions extends beyond a tip portion of each one of the protrusions thereof Each one of the guide rails extends substantially parallel with each other one of the guide rails. | 11-08-2012 |
20120283835 | TISSUE FIXATION AND REPAIR SYSTEMS AND METHODS - A system and method for securing an implantable medical device to an anatomical feature, such as bony structures and/or soft tissues near the spine. The system includes a tissue fixation device and a tissue fixation device delivery tool. The tissue fixation device includes at least one bone or tissue anchor and a connecting element coupled thereto. The tissue fixation device optionally includes a flexible anchoring strap for engaging the implantable medical device. The bone or tissue anchor are configured to be deployed into the anatomical feature, and the connecting element is tightened to secure the implantable medical device to the anatomical feature. | 11-08-2012 |
20120283836 | INTERBODY FUSION DEVICE - An interbody fusion device related to implants for orthopedic surgery has a hollow skeleton made of titanium alloy to hold nonstructural cancellous bone graft. The skeleton is a U-shaped plate, whose front wall is disposed with holes. The upper and the lower end of the bottom of the U-shaped plate have inclined holes of ladder shape. The bigger end of the inclined hole is placed on the bottom surface of the bottom of the U-shaped plate, and the smaller end of the inclined hole is placed on the corresponding surface of the bottom of the U-shaped plate; the inclined hole of the U-shaped plate is disposed with screw inside. The present invention has small volume and the vertebra is partial removal, so it is more reliable for interbody fusion. | 11-08-2012 |
20120283837 | INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION - A surgical instrument and method for inserting a spinal implant in the intervertebral disc space between two adjacent vertebrae and an anchor engageable with the implant and an adjacent vertebra are provided. The instrument includes an inserter having an engagement portion including a distal engagement surface for interfacing with the implant and a handle portion. The engagement portion includes a track for slidably translating the anchor toward the engagement surface. A kit is provided including the inserter and a tamp to force the anchor into engagement with the implant and the adjacent vertebra. The kit may also include a cutter for piercing the adjacent vertebra. | 11-08-2012 |
20120283838 | INTERVERTEBRAL IMPLANT - A vertebral implant for fusing adjacent vertebrae or for replacing vertebral bodies is disclosed. The implant is a biocompatble metal resorbable or radiolucent implant conforming substantially in size and shape with an end plate of a vertebra. The implant preferably has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The top and bottom surfaces of the implant have areas with a plurality of teeth to resist expulsion and provide initial stability and areas devoid of any protrusions to receive implantation instrumentation. The implant also has a stackability feature. The implant provides initial stability needed for fusion without stress shielding. | 11-08-2012 |
20120290089 | VERTEBRAL SPACER - A vertebral spacer includes a body having a top side, a bottom side, a front side, and a rear side. The top side is configured to be positioned adjacent to a first vertebra and the bottom side is configured to be positioned against a second vertebra. First, second, third and fourth bores extend through the body. First and second compression fasteners disposable in the first and third bores, and first and second locking fasteners disposable in the second and fourth bores. The first compression fastener and the first locking fastener cooperate to apply and lock a first predetermined compression force between the body and the first vertebra. The second compression fastener and the second locking fastener cooperate to apply and lock a second predetermined compression force between the body and the second vertebra. | 11-15-2012 |
20120290090 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 11-15-2012 |
20120290091 | PROSTHETIC IMPLANT WITH BIPLANAR ANGULATION AND COMPOUND ANGLES - A prosthetic implant, and more particularly, with a prosthetic implant having biplanar angulation and that can be inserted into a disk area generally straight using a posterolateral approach. | 11-15-2012 |
20120290092 | SPINAL IMPLANTS - The present invention is directed to a variety of spinal implants. | 11-15-2012 |
20120290093 | Transforaminal Prosthetic Spinal Disc Apparatus - An intervertebral prosthetic implant having a first endplate having a first surface configured to substantially engage with a first vertebral body and a second surface having an extension with a concave contact surface, the concave contact surface being spaced apart from the second surface. A second endplate is provided with a first surface configured to substantially engage with a second vertebral body and a second surface comprising a convex contact surface, and the second endplate having a securing element positioned along and above the second surface defining a first and second window on opposing sides of the second surface. The securing element extends along the width and length of the lower endplate and configured with an access hole. An extension portion extends from the first surface of the first endplate through the access hole of the securing element and contacts the second surface of the second endplate. | 11-15-2012 |
20120290094 | MINIMALLY INVASIVE EXPANDING SPACER AND METHOD - A minimally invasive spacer for positioning between vertebral members. The spacer is adjustable between a first orientation having a reduced size to facilitate insertion between the vertebral members. A second orientation has an enlarged size for contacting the vertebral members. The spacer includes linkages that are attached to a pair of plates. A pull arm is operatively connected to the linkages for adjusting the spacer from the first orientation to the second orientation. A indicator gauge indicates the height of the spacer. | 11-15-2012 |
20120290095 | TISSUE PROSTHESIS AND A METHOD OF, AND EQUIPMENT FOR, FORMING A TISSUE PROSTHESIS - A tissue prosthesis | 11-15-2012 |
20120290096 | FLEXIBLE ELONGATED CHAIN IMPLANT AND METHOD OF SUPPORTING BODY TISSUE WITH SAME - Implants and methods for augmentation of the disc space between two vertebral bodies to treat disease or abnormal pathology conditions in spinal applications. The implant includes a chain of biocompatible material suitable for insertion into a disc space between two adjacent vertebral bodies in a patient's spinal column, wherein the spinal disc space has a transverse plane. The chain comprises a plurality of adjacent bodies having a height configured to reside within the disc space between two adjacent vertebral bodies and a length configured to reside in the disc space between two adjacent vertebral bodies when the chain is curved in an orientation substantially along the transverse plane of the spinal disc space. | 11-15-2012 |
20120290097 | EXPANDABLE INTERVERTEBRAL IMPLANT - A method of inserting an expandable intervertebral implant is disclosed. The implant preferably includes first and second members capable of being expanded upon movement of first and second wedges. The first and second wedges, while being capable of moving with respect to each other and the first and second members are also preferably attached to the first and second members. In addition, the first and second wedges are preferably capable of moving only in a first direction, while movement in a second direction is inhibited. The first and second wedges are also preferably prevented from torsionally moving with respect to the first and second members. | 11-15-2012 |
20120296429 | PROSTHETIC INTERVERTEBRAL DISK - An intervertebral disk prostheses for the total replacement of an intervertebral disk of the lumbar and cervical spine has an upper plate having upwardly projecting formations anchoring it to an upper vertebra on its upper face and a concavity on its inner face surrounded by an edge. A lower plate is provided with downwardly projecting formations anchoring it to a lower vertebra on its lower face and a flat inner face surrounding a groove extending front-to-back. A middle plate between the upper and lower plate has on its upper face a convexity that is identically or differently shaped to the concavity on the inner face of the upper plate and a ridge extending front-to-back surrounded by a flat lower face of the middle plate. The ridge has flanks and the groove houses the ridge of the middle plate and permits the ridge to slide front-to-back in the groove. | 11-22-2012 |
20120296430 | EXPANDABLE INTERVERTEBRAL SPACERS AND METHODS OF USE - An intervertebral spacer is inserted between vertebral members in a compact configuration and expanded post-insertion to contact the adjacent vertebral members. The intervertebral spacer comprises a first member and a second member movable with respect to the first member between retracted and extended positions. | 11-22-2012 |
20120296431 | Prosthetic Intervertebral Disc Implants - Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the sagittal plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation. | 11-22-2012 |
20120296432 | Advanced Intra-spinal Decompression Implant - A new Intra-spinal decompression implant is introduced that comprises of two plate attachments to a titanium metal implant that fits between the spinous processes of the vertebrae in the lower back, decompressing the neuro elements. The invention has a number of new design features including: double axis adjustable side plates, stepped conical tipped body and piercing tips on side plates, among many mentioned in this disclosure, that improves the quality of the surgery and the result for the patient. More examples are given in this application. | 11-22-2012 |
20120296433 | SPINE SURGERY DEVICE - The invention relates to a device intended to replace or partially replace one or more vertebral bodies or intervertebral discs in the cervical, thoracic or lumbar spine, and includes methods for its use and deployment. The invention may be used to restore biomechanical parameters correlating with improved patient outcomes and also involves a method for a more effective discectomy or corpectomy prior to graft deployment. | 11-22-2012 |
20120303123 | SPINAL IMPLANT - A spinal implant as provided having a porous body that includes a leading end, a convex trailing end and first and second sides extending between the leading and trailing ends. At least a portion of the leading end is generally straight. The body further includes a generally dome-shaped superior surface and a generally planar inferior surface. The superior surface is convex between the leading and trailing ends and is convex between the first and second sides. | 11-29-2012 |
20120303124 | BONE FUSION DEVICE - A bone fusion device provides stability to bones during a bone fusion period. The bones include, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable tabs attached to the bone fusion device by associated rotating means. The bone fusion device is preferably inserted by using an arthroscopic surgical procedure. During arthroscopic insertion of the device, the tabs are pre-configured for compactness. In this compact configuration, the tabs are preferably deposed along and/or within an exterior surface of the bone fusion device. After the bone fusion device has been positioned between the bones, one or more tab(s) are extended. In the preferred embodiment, the position of each tab is related to a positioning element and extending blocks. Typically, the tabs advantageously position and brace the bone fusion device in the confined space between the bones until the bones have fused. | 11-29-2012 |
20120303125 | System And Methods For Performing Surgical Procedures and Assessments - The present invention involves systems and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to: (a) determine nerve proximity and nerve direction to surgical instruments employed in accessing a surgical target site; (b) assess the pathology (health or status) of a nerve or nerve root before, during, or after a surgical procedure; and/or (c) assess pedicle integrity before, during or after pedicle screw placement, all in an automated, easy to use, and easy to interpret fashion so as to provide a surgeon-driven system. | 11-29-2012 |
20120303126 | FUSION SYSTEM AND METHOD FOR FUSING SPINAL BONES - This invention relates to a spinal fusion system and method for use as a prosthetic implant. The system and method includes a housing dimensioned to be situated between adjacent spinal bones, such as adjacent vertebrae. The housing cooperates with the spinal bones to define a graft area for receiving graft material, which may be inserted anteriorly into the housing during a surgical operation such as a vertebrectomy or discectomy. A housing may have various features such as migration preventers to prevent the housing from migrating posteriorly towards a spinal column and can be used with a cover that permits the housing to “float” relative thereto. Screws are provided in one embodiment and are dimensioned or configured to lock against each other to retain the screws and, consequently, the cover in place. | 11-29-2012 |
20120303127 | IMPLANTS HAVING INTERNAL FEATURES FOR GRAFT RETENTION AND LOAD TRANSFER BETWEEN IMPLANT AND VERTEBRAE - An interbody spinal implant, such as a solid-body or composite implant, includes at least one graft contact surface as one or more of the internal surfaces of the implant. The graft contact surface, for example, having at least one ridge or groove is designed to contact and promote retention and stabilization of bone growth-inducing materials placed within the internal openings of the implant body. In addition, the ridges or grooves may influence the biological processes to promote bone healing and fusion. Also disclosed are processes of fabricating the graft contact surfaces and other surface topographies on the implant. | 11-29-2012 |
20120303128 | SPINAL IMPLANT AND INTEGRATION PLATE FOR OPTIMIZING VERTEBRAL ENDPLATE CONTACT LOAD-BEARING EDGES - An interbody spinal implant including a body and an integration plate having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, and a substantially hollow center in communication with a vertical aperture. The body is recessed in a way that portions of the integration plate protrude above the top and/or bottom surface of the body to enhance the resistance of the implant to expulsion from the intervertebral space. | 11-29-2012 |
20120303129 | COMPOSITE INTERBODY SPINAL IMPLANT HAVING OPENINGS OF PREDETERMINED SIZE AND SHAPE - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture. The single vertical aperture extends from the top surface to the bottom surface, has a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and defines a transverse rim. The body may be non-metallic and may form one component of a composite implant; the other component is a metal plate disposed on at least one of the top and bottom surfaces of the body. | 11-29-2012 |
20120310348 | BONE GRAFTS - Spinal spacers | 12-06-2012 |
20120310349 | EXPANDABLE ARTICULATING INTERVERTEBRAL IMPLANT WITH LIMITED ARTICULATION - An artificial functional spinal unit including an expandable intervertebral implant that can be inserted via a posterior surgical approach and used with one or more facet replacement devices to provide an anatomically correct range of motion is described. Lordotic and non-lordotic expandable, articulating implants and cages are described, along with embodiments of facet replacement devices and instruments for insertion. Methods of insertion are also described. | 12-06-2012 |
20120310350 | UNIDIRECTIONAL DYNAMIC INTERBODY FUSION DEVICE AND METHOD OF USE - Unidirectional dynamic interbody fusion devices and methods of use for insertion into a patient in order to maintain a space between two vertebral bodies. A first interbody fusion device including a body member, at least one side member, and a means for moving the at least one side member relative to the central body member. A second interbody fusion device including a base member, a top member, and a means for moving the top member relative to the base member. A surgical method for maintaining a space between two vertebral bodies in a spine, including obtaining a medical device, inserting and coupling an expansion tool into an opening within the medical device, slidingly inserting the medical device into a space between two vertebral bodies; and rotating the expansion tool to move the at least one side member in a direction relative to the body member. | 12-06-2012 |
20120310351 | LORDOTIC SPACER - A spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by first and second sides. The top and bottom surfaces define a height, and the sides define a width. The height generally increases distally and from the second side to the first side. The top and bottom surfaces are curved, and include multiple radii of curvature. A lateral curvature is defined as the curvature along the top or bottom surface at a given point along the length of the spacer, taken along a plane extending between the first and second sides and generally perpendicular to the sides. The radius of the lateral curvature for at least one of the top and bottom sides varies along the length of the spacer. For example, the radius of curvature may generally increase distally along the length of the spacer. | 12-06-2012 |
20120310352 | IN-SITU INTERVERTEBRAL FUSION DEVICE AND METHOD - An orthopedic device for implanting between adjacent vertebrae comprising: an arcuate balloon and a hardenable material within said balloon. | 12-06-2012 |
20120310353 | TRIAL INTERVERTEBRAL DISTRACTION SPACERS - An orthopedic spacer device comprising a spacer body having an external surface that includes at least two relative angle designation marks such that a rotational angle of the spacer body relative to a known reference is determinable. | 12-06-2012 |
20120310354 | SPINAL IMPLANT HAVING VARIABLE RATIOS OF THE INTEGRATION SURFACE AREA TO THE AXIAL PASSAGE AREA - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, and a substantially hollow center in communication with a vertical aperture. The body, vertical aperture, and bone contact surfaces of the implant each have a surface area that may be independently varied to enhance load support and facilitate implant integration with vertebral bone. | 12-06-2012 |
20120310355 | APPARATUS AND METHODS FOR VERTEBRAL AUGMENTATION USING LINKED EXPANDABLE BODIES - Implants and methods for osteopathic augmentation and repositioning of vertebrae may comprise a chain having one or more beads or bodies configured for insertion into a vertebral body. The one or more bodies may be expandable. As the chain is inserted into the vertebral body, it may fill a central portion thereof and can push against the inner sides of the endplates of the vertebral body, thereby providing structural support and tending to restore the vertebral body to its original height. The one or more bodies may have a first configuration dimensioned to pass through a catheter or other introducer, and may expand to a second, larger configuration after insertion into the bone in order to secure the chain within the bone. | 12-06-2012 |
20120310356 | TRANSFORAMINAL INTERSOMATIC CAGE FOR AN INTERVERTEBRAL FUSION GRAFT AND AN INSTRUMENT FOR IMPLANTING THE CAGE - This disclosure presents various embodiments of a transforaminal intersomatic cage for an intervertebral fusion graft, and an instrument and method for implanting the cage, an embodiment of the cage having a body in the shape of a circular arc and comprising a lateral concave surface, a lateral convex surface, a straight upper surface, a straight lower surface and an end wall having at least one hole, called the end hole, designed to receive a rod of an instrument for implanting the cage between the vertebrae, wherein: the end hole has an orientation that is more or less tangential to the circular arc described by the body; the extremity opposite to the end wall of the body includes a return part extending the body toward the center of the circle on which the circular arc described by the body lies. | 12-06-2012 |
20120316648 | INTERVERTEBRAL DISC REINFORCEMENT SYSTEMS - An implant system for reinforcing an intervertebral disc and opposing endplate is provided wherein a flexible blocking member for blocking a defect is coupled to a first endplate anchor. An opposing endplate reinforcement member is coupled to a second endplate anchor and implanted in the opposing endplate. | 12-13-2012 |
20120316649 | CERVICAL SPACER - An anterior cervical column support having a hollow frame having a top load bearing surface and a bottom load bearing surface may be inserted between a first spinal vertebra and a second spinal vertebra. The top load bearing surface and the bottom load bearing surface may each include an opening allowing access to the interior of the frame. A front surface may extend between the top load bearing surface and the bottom load bearing surface, and a rear surface may extend between the top load bearing surface and the bottom load bearing surface. An anterior front plate is attached to the front surface of the support device. The interior front plate may be arranged along a plane (P), and an axis (A) between the top load bearing surface and the bottom load bearing surface may be at a non-zero angle relative to the plane (P) | 12-13-2012 |
20120316650 | IMPLANTS HAVING THREE DISTINCT SURFACES - An interbody spinal implant having at least three distinct surfaces including (1) at least one integration surface having a roughened surface topography including macro features, micro features, and nano features, without sharp teeth that risk damage to bone structures; (2) at least one graft contact surface having a coarse surface topography including micro features and nano features; and (3) at least one soft tissue surface having a substantially smooth surface including nano features. Also disclosed are processes of fabricating the different surface topographies, which may include separate macro processing, micro processing, and nano processing steps. | 12-13-2012 |
20120316651 | COMPOSITE IMPLANTS HAVING INTEGRATION SURFACES COMPOSED OF A REGULAR REPEATING PATTERN - A composite interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions; a first integration plate affixed to the top surface of the body; and an optional second integration plate affixed to the bottom surface of the body. At least a portion of the first integration plate, optional second integration plate, or both has a roughened surface topography including macro features, micro features, and nano features, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction, inhibit migration of the implant, and promote bone growth. Also disclosed are processes of fabricating a roughened surface topography, which may include separate and sequential macro processing, micro processing, and nano processing steps. | 12-13-2012 |
20120316652 | Self-Distracting Cage - Various spinal implants and methods for stabilizing the spine are provided. In one exemplary embodiment, a spinal implant is provided having an expandable container with an interior volume that is selectively expandable between a compressed condition and an expanded condition. The expandable container is coupled to a superior endplate member having a bone-contacting surface and an engagement surface effective to mate with a superior surface of the expandable container, and an inferior endplate member having a bone-contacting surface and an engagement surface effective to mate with an inferior surface of the expandable container. In addition, at least one inlet port is formed in the expandable container and is effective to communicate a fluid to at least one cavity disposed within the interior volume of the expandable container. | 12-13-2012 |
20120316653 | SPINAL IMPLANT HAVING A TRANSVERSE APERTURE - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, and optionally a substantially hollow center. The implant includes at least one transverse aperture on one or more of the posterior portion, the anterior portion, and at least one of the opposing lateral sides, and if the substantially hollow center is present, one or more of the transverse apertures may be in communication with the hollow center. The transverse aperture may comprise a notch. | 12-13-2012 |
20120316654 | System and Method for Installing an Annular Repair Rivet Through a Vertebral Body Port - A method for repairing a defect in the annulus of an intervertebral disc uses a port through a vertebra adjacent the disc for passage of a rivet insertion tool to place a first part of a two-part annulus repair rivet against an internal surface of the annulus adjacent the defect. A separate rivet insertion tool places a second part of the annulus repair rivet on an external surface of the annulus adjacent the defect. The first and second parts are secured together, repairing the defect. | 12-13-2012 |
20120323327 | Expandable Spinal Implant and Flexible Driver - Expandable spinal implants and drivers connected by a bendable joint are disclosed. The flexible connector allows the implant and driver to move to different angular orientations with respect to each other, and to apply rotational force or torque from the driver to the implant and its expansion mechanism. During insertion of an implant into the desired position, the driver may be oriented in the same or different direction than the long axis of the implant. After the spinal implant is placed in the desired position, the driver is used to expand the implant in selected dimensions. | 12-20-2012 |
20120323328 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 12-20-2012 |
20120323329 | METHODS AND APPARATUSES FOR VERTEBRAL BODY DISTRACTION AND FUSION EMPLOYING A COAXIAL SCREW GEAR SLEEVE MECHANISM - Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract. | 12-20-2012 |
20120323330 | LOW PROFILE INTERVERTEBRAL IMPLANT - The present invention is directed to a low profile intervertebral implant ( | 12-20-2012 |
20120323331 | SPINAL IMPLANT AND INSTRUMENTS - A kit including an artificial implant for insertion between two adjacent vertebrae along a coronal plane. | 12-20-2012 |
20120323332 | SPACERLESS ARTIFICIAL DISC REPLACEMENTS - Spacerless artificial disc replacements (ADR) are disclosed. One preferred embodiment includes two saddle-shaped components to facilitate more normal spinal flexion, extension, and lateral bending while limit axial rotation, thereby protecting the facet joints and the annulus fibrosus (AF). Either or both of the superior and inferior components are made of a hard material such as chrome cobalt, titanium, or a ceramic including alumina, zirconia, or calcium phosphate. The articulating surfaces of the ADR are also preferably highly polished to reduce friction between the components. Metals, alloys or other materials with shape-memory characteristics may also prove beneficial. | 12-20-2012 |
20120330419 | BI-DIRECTIONAL FIXATING/LOCKING TRANSVERTEBRAL BODY SCREW/INTERVERTEBRAL CAGE STAND-ALONE CONSTRUCTS - A bi-directional fixating transvertebral (BDFT) screw/cage apparatus is provided. The BDFT apparatus includes an intervertebral cage including a plurality of internal angled screw guides, a plurality of screw members, and a cage indentation adjacent to the screw guides that independently or supplemented by other screw locking mechanisms prevents the screw members from pulling out of the internal angled screw guides. The internal angled screw guides orient a first screw member superiorly and a second screw member inferiorly. The intervertebral cage is adapted for posterior lumbar intervertebral placement, anterior lumbar intervertebral placement, anterio-lateral thoracic intervertebral placement, or anterior cervical intervertebral placement. | 12-27-2012 |
20120330420 | SPINAL FUSION IMPLANTS - An improved implant is provided for human implantation, such as a spinal implant for implantation into the intervertebral space between two adjacent vertebrae. Some embodiments include a substrate of high strength biocompatible material, such as doped silicon nitride ceramic for example. In some embodiments, the substrate may also include one or more regions of a controlled porosity analogous to natural bone. In other embodiments, the substrate may comprise the entire implant. | 12-27-2012 |
20120330421 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 12-27-2012 |
20120330422 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 12-27-2012 |
20120330423 | Engineered Scaffolds for Intervertebral Disc Repair and Regeneration and for Articulating Joint Repair and Regeneration - Methods for the engineering and preparation of intervertebral disc repair scaffolds and articulating joint repair scaffolds are disclosed. The methodology utilizes either magnetic resonance images or combined magnetic resonance and computed tomography images as a template for creating either the intervertebral scaffold or the joint repair scaffold (e.g., osteochondral scaffold) with fixation to the underlying bone. The disc scaffold design may include an outer annulus that may contain desired structures and a central nucleus pulposus region that could either contain a designed microstructure or a contained hydrogel. The osteochondral scaffold may include a bone compartment interface with a cartilage compartment. The bone compartment may interface with a cutout portion of the bone through fixation components. Different microstructure designs may be created for the bone and cartilage compartment to represent desired mechanical and mass transport properties. The microstructure controls elastic and permeability property distribution within the scaffold. | 12-27-2012 |
20120330424 | Intervertebral disc prosthesis - The present invention relates to an intervertebral disc prosthesis comprising at least three pieces including an upper plate ( | 12-27-2012 |
20120330425 | SYSTEMS AND METHODS FOR DELIVERING AN IMPLANT BETWEEN ADJACENT VERTEBRAS USING ENDOSCOPY - An optical intervertebral implantation system can be used for a method of implanting an intervertebral implant into an intervertebral space with visualization. The system can include an elongate light guide and an intervertebral implant operably coupled with the elongate light guide. The elongate light guide can be configured as a guide wire and received through an aperture of the implant. The elongate light guide can be configured as a guide wire and the implant is received over and slides along on outside surface of the elongate light guide. The elongate light guide can be configured as a cannula having an internal conduit and the implant is received within the conduit. The elongate light guide can be configured as a cannula with an internal conduit and the implant is slidably coupled with an internal surface of the internal conduit of the cannula. | 12-27-2012 |
20120330426 | Expandable Vertebral Implant - The present invention relates to an expandable implant for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 12-27-2012 |
20130006358 | SPRING DEVICE FOR LOCKING AN EXPANDABLE SUPPORT DEVICE - A locking device for locking an expandable support device, where the locking device includes a spring device integral with the expandable support device, and the spring device includes an end portion, a first flexible arm, and a second flexible arm. A first aperture of the spring device is adapted to position the fastener associated with the first rotational position and a second aperture of the spring device is adapted to position the fastener associated with the second rotational position. The first flexible arm and second flexible arm are adapted to flex outward and allow passage of the fastener head when an inward pressure is applied to the fastener positioned in the second aperture. The first flexible arm and the second flexible arms are adapted to collapse to their unflexed position after the fastener head has completed passage through the spring device, such that the first flexible arm and the second flexible arm are adapted to cover the fastener head and prevent the fastener from backing out. | 01-03-2013 |
20130006359 | POSTERIOR INSERTION INSTRUMENT FOR AN EXPANDABLE SUPPORT DEVICE - An insertion instrument for inserting an expandable support device, where the insertion instrument includes an actuator device operable to rotate a component of an expandable support device to a rotated position, such that the rotation to the rotated position of the expandable support device causes a first longitudinally extending member of the expandable support device to be longitudinally fixed. The insertion instrument also includes a hollow body, where the hollow body includes a removable gear device or a removable screw driver device. The removable gear device is configurable to cause a first longitudinally extending member of expandable support device to longitudinally extend in a direction away from the center of the expandable support device. The removable screw driver device is configurable to insert a screw into the expandable support device to lock the rotated position into place. | 01-03-2013 |
20130006360 | APPARATUS FOR ANTERIOR INTERVERTEBRAL SPINAL FIXATION AND FUSION - A plurality of blades for use in a fixation device, each blade includes a body having a central opening configured to rotate on a shaft within a housing of the fixation device, control openings on opposing sides of the central opening sized to engage prongs of a rotating tool, and at least one cutting extension with a sharp leading edge extending from the body in an orientation about an axis of the shaft, wherein upon rotation of the blade by the rotating tool about the shaft in a direction in which the at least one cutting extension is oriented, the at least one cutting extension will break an endplate of a vertebra and hook into the vertebra. | 01-03-2013 |
20130006361 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 01-03-2013 |
20130006362 | DEVICE FOR INSERTING AN INTERVERTEBRAL IMPLANT INTO A BODY AND SYSTEM INCLUDING AN INTERVERTEBRAL IMPLANT AND A DEVICE FOR INSERTING SAME - A device for inserting an intervertebral implant into a body includes a flexible end portion having a free end, a thickened portion including an outward protrusion on the flexible end portion at or adjacent the free end, and a stop including an outward protrusion on the flexible end portion positioned at a distance from the free end and spaced apart from the thickened portion, wherein a portion of the flexible end portion between the thickened portion and the stop has outer walls separated by a distance that is less than distances separating outer walls of the thickened end portion and the stop, respectively, and wherein the flexible end portion can assume a first state wherein the outer walls of the portion of the flexible end portion between the thickened portion and the stop are separated by a first distance. | 01-03-2013 |
20130006363 | IMPLANTS WITH INTEGRATION SURFACES HAVING REGULAR REPEATING SURFACE PATTERNS - An interbody spinal implant, such as a solid-body or composite implant. The implant has at least one integration surface with a roughened surface topography including a repeating pattern, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction generated when the implant is placed between two vertebral endplates and to inhibit migration of the implant. The repeating pattern is formed of at least three at least partially overlapping repeating patterns. The repeating patterns may radiate at a fixed distance from at least one point and may include recesses having a slope of thirty degrees or less relative to the integration surface. Also disclosed are processes of fabricating the integration surfaces. | 01-03-2013 |
20130006364 | FACET JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system is disclosed and may include a driver assembly with a tubular shaft, a pair of implant holder arms, an implant distractor, an internal actuator, and a distractor knob, the system also including a delivery device with a tubular shaft, a receiving assembly, and a pair of forks, where the delivery device is adapted for slidable insertion of the driver assembly, the system also including an implant, a chisel, and an injector. Several embodiments of an implant are disclosed as well a method of placing an implant. | 01-03-2013 |
20130006365 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A bone graft system for providing bone graft material to a site of interest includes a multiple unit bone graft material loading device and a conduit. The multiple unit bone graft material loading device may be configured to accept a plurality of pre-formed bone graft material units and includes a plurality chambers configured to accept a pre-formed bone graft unit. The conduit may include a first opening and second opening. The first opening may be operably connected with the multiple unit bone graft material loading device to accept bone graft material from the multiple unit bone graft material loading device. The second opening may be configured to deliver bone graft material to a site of interest. | 01-03-2013 |
20130006366 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer may include a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides may decrease proximally to form a web having a leading edge proximate to the proximal end of the spacer. The web may be sized and configured to aid distribution of bone graft material to either side of the spacer, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the spacer. | 01-03-2013 |
20130006367 | COMBINED SPINAL INTERBODY AND PLATE ASSEMBLIES - A spinal implant assembly combines a spinal interbody spacer with a spine plate. The combined spacer and plate assembly provides stabilization and torsional resistance to promote fusion of adjacent vertebrae. The spacer is configured for placement within an intervertebral space between the adjacent vertebrae previously occupied by a spinal disc. The plate is configured for attachment to anterior sides of the adjacent vertebrae. Translation of the spinal plate allows it to be affixed to the vertebrae in various positions and/or allow movement post installation. In one form, the plate is defined by first and second spine plate or plate portions that are coupled to one another to allow rotation about each other. Ends of the first and second spine plates are received in/by the interbody spacer, while a pin extends through the interbody spacer to fix the first and second spine plates to the interbody spacer. | 01-03-2013 |
20130013070 | VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion. | 01-10-2013 |
20130013071 | Osteoimplants and Methods for their Manufacture - An osteoimplant is made up of a coherent aggregate of elongate bone particles. | 01-10-2013 |
20130013072 | INTERVERTEBRAL PROSTHETIC DISC - A prosthetic disc for insertion between adjacent vertebrae includes upper and lower plates, a core disposed between the plates, and at least one projection extending from at least one of the upper and lower curved surfaces of the core into at least one recess of one of the inner surfaces of the plates. The recess is oversize with respect to the projection to allow sliding movement of the plate over the core while retaining the core between the plates during such sliding movement. The projection(s) may include a rod extending through an axial hole in the core, multiple surface features of the core, or the like. | 01-10-2013 |
20130013073 | METHODS AND APPARATUS FOR INTERVERTEBRAL DISC PROSTHESIS - A method for inserting an intervertebral disc prosthesis into a space between two vertebrae involves inserting the prosthesis partway into the space under constraint to prevent endplates of the prosthesis from articulating, releasing the prosthesis from constraint, and inserting the unconstrained prosthesis farther into the space. In some embodiments, the method involves grasping the prosthesis with a grasping device to insert the prosthesis partway under constraint, loosing the grasping device to release the prosthesis from constraint, and pushing the prosthesis farther into the disc space using the grasping device and/or one or more separate pusher devices. A system includes a grasping device, at least one separate pushing device, and optionally a vertebral spreading device and/or a vertebral midline indicator device. | 01-10-2013 |
20130013074 | STAND-ALONE BIOMIMETIC ARTIFICIAL INTERVERTEBRAL DISC SYSTEM - The artificial intervertebral disc of the present invention includes: a structured fabric having biomimetic structure and dynamic behavior, the structure comprising organic fibers, which are formed to be a cubic multi-axial three-dimensional fabric having tri-axial, to be interwoven tissues or to be a complex tissue of these; and tappets mounted on the upper surface and the lower surface of this structured fabric, wherein the tappets are connected and fitted with the connecting filaments vertically penetrating through the structured fabric. This structured fabric shows biomimetic dynamic behavior like a real intervertebral disc and achieves a clinically effective and reliable stand-alone type of biomimetic artificial intervertebral disc which can be inserted and fixed with minimally-invasive operation. | 01-10-2013 |
20130018466 | VERTEBRAL INTERBODY SPACERAANM Yu; KidongAACI MemphisAAST TNAACO USAAGP Yu; Kidong Memphis TN USAANM Miller; Keith E.AACI GermantownAAST TNAACO USAAGP Miller; Keith E. Germantown TN USAANM Armstrong; William D.AACI MemphisAAST TNAACO USAAGP Armstrong; William D. Memphis TN USAANM Branch; CharlesAACI AdvanceAAST NCAACO USAAGP Branch; Charles Advance NC USAANM Foley; Kevin ThomasAACI GermantownAAST TNAACO USAAGP Foley; Kevin Thomas Germantown TN USAANM McCombe; Peter M.AACI BrisbaneAACO AUAAGP McCombe; Peter M. Brisbane AUAANM Melkent; Anthony J.AACI MemphisAAST TNAACO USAAGP Melkent; Anthony J. Memphis TN USAANM Sears; William R.AACI SydneyAACO AUAAGP Sears; William R. Sydney AU - An interbody spacer includes an elongated body with a maximum width between opposite side walls and a maximum height between upper and lower bearing surfaces. The interbody spacer also includes a leading end nose connecting the side walls to facilitate insertion of the interbody spacer into a disc space between vertebrae in an insertion orientation, from which the interbody device is then rotated to position the upper and lower bearing surfaces in contact with the endplates of the adjacent vertebrae. The leading end nose forms a blunt convex nose between the upper and lower bearing surfaces to maximize the bearing surface area available to contact the adjacent endplates. | 01-17-2013 |
20130018467 | Systems and Methods For Vertebral Body and Disc Height RestorationAANM Suh; SeanAACI BensalemAAST PAAACO USAAGP Suh; Sean Bensalem PA US - Systems and methods are provided for assisting in the height restoration of a collapsed vertebral member, such as a vertebral body or a disc. The systems can include one or more modular spacers that are capable of being positioned within the vertebral member on their anterior and/or posterior surfaces, or on their superior and/or inferior surfaces. The methods can include forming an incision through the vertebral body and inserting one or more modular spacers through the vertebral body in a stacked configuration. The one or more modular spacers can provide a structural framework within the vertebral member and can help restore the height of the collapsed vertebral member. A bone filler material, such as a bone cement, can be injected within and around the modular spacers. | 01-17-2013 |
20130018468 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT CALIBRATED STAPLING DEVICES FOR SPINAL FUSION - A self-drilling bone fusion screw apparatus is disclosed which includes at least first and second sliding boxes. A first screw member having a tapered end and a threaded body is disposed within the first sliding box, and a second screw member having a tapered end and a threaded body disposed within the second sliding box. An adjuster adjusts the height of the sliding boxes. The screw members are screwed into vertebral bodies in order to fuse the vertebral bodies together. A plurality of the self-drilling bone fusion screw apparatuses may be attached together and/or integrated via a plate or cage. Also disclosed is a cervical facet staple that includes a curved staple base and at least two prongs attached to the bottom surface of the curved staple base. | 01-17-2013 |
20130018469 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT CALIBRATED STAPLING DEVICES FOR SPINAL FUSION - A self-drilling bone fusion screw apparatus is disclosed which includes at least first and second sliding boxes. A first screw member having a tapered end and a threaded body is disposed within the first sliding box, and a second screw member having a tapered end and a threaded body disposed within the second sliding box. An adjuster adjusts the height of the sliding boxes. The screw members are screwed into vertebral bodies in order to fuse the vertebral bodies together. A plurality of the self-drilling bone fusion screw apparatuses may be attached together and/or integrated via a plate or cage. Also disclosed is a cervical facet staple that includes a curved staple base and at least two prongs attached to the bottom surface of the curved staple base. | 01-17-2013 |
20130018470 | BI-DIRECTIONAL FIXATING/LOCKING TRANSVERTEBRAL BODY SCREW/INTERVERTEBRAL CAGE STAND-ALONE CONSTRUCTS WITH VERTICAL HEMI-BRACKET SCREW LOCKING MECHANISM - A bi-directional fixating transvertebral (BDFT) screw/cage apparatus is provided. The BDFT apparatus includes an intervertebral cage including a plurality of internal angled screw guides, a plurality of screw members, and a cage indentation adjacent to the screw guides that independently or supplemented by other screw locking mechanisms prevents the screw members from pulling out of the internal angled screw guides. The internal angled screw guides orient a first screw member superiorly and a second screw member inferiorly. The intervertebral cage is adapted for posterior lumbar intervertebral placement, anterior lumbar intervertebral placement, anterio-lateral thoracic intervertebral placement, or anterior cervical intervertebral placement. | 01-17-2013 |
20130018471 | SPINAL IMPLANTS WITH STEM CELLS - A spinal implant device has a synthetic or metallic or a combination thereof of these materials in an implant body structure and stem cells in a coating, or a sheet, wrap or a membrane wrap applied to surfaces on the implant body structure or alternatively filled with a plug of stem cell laden material. The implant body structure preferably has an aperture or channel. The spinal implant device may include anchoring holes to secure the device to the spinal skeletal structure with fasteners or alternatively can simply be held in place by and between adjacent vertebrae. | 01-17-2013 |
20130018472 | SPINAL FUSION DEVICES AND A METHOD OF PERFORMING SPINAL FUSION - A spinal fusion apparatus includes a cage body configured to be inserted between two vertebral bodies and which has internal sidewalls that define a cavity which extends vertically through the cage body, and an internal compression member which includes a movable sidewall which defines at least one side of the cavity, and which is movable in a lateral direction from a first position located in the cavity to a second position located in the cavity such that a space within the cavity is reduced when the movable sidewall is at the second position. The internal compression member includes a compression mechanism coupled to the moveable sidewall, and moves the movable sidewall from the first position to the second position. Fusion material is disposed in the cavity is compressed and compacted by the movable sidewall as the moveable sidewall moves from the first position to the second position. | 01-17-2013 |
20130018473 | METHODS AND APPARATUS FOR PERFORMING THERAPEUTIC PROCEDURES IN THE SPINE - Methods for correcting a deformit in the spine by forming a trans-sacral axial instrumentation/fusion axial bore through vertebral bodies in general alignment with a visualized, anterior axial instrumentation/fusion line in a minimally invasive, low trauma, manner and providing a therapy to the spine employing the axial bore. Curved or relatively straight anterior axial bores are formed from the anterior starting positions. The therapies performed through the axial bores include discoscopy, full and partial discectomy, vertebroplasty, balloon-assisted vertebroplasty, drug delivery, electrical stimulation and various forms of spinal disc cavity augmentation, spinal disc replacement, fusion of spinal motion segments and implantation of radioactive seeds. Axial spinal implants and bone growth materials can be placed into single or multiple parallel or diverging TASIF axial bores to fuse two or more vertebrae, or distract or shock absorb two or more vertebrae. | 01-17-2013 |
20130018474 | VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion. | 01-17-2013 |
20130023990 | Minimally invasive apparatus to manipulate and revitalize spinal column disc - A method and apparatus are provided to manipulate and revitalize a spinal column disc while minimizing or preventing the removal of material comprising the disc. The method allows a device to be inserted in the disc either through a pre-existing rupture or through an opening formed in the front, back, or sides of the disc. Increasing the space between the vertebra bounding the disc or removing disc material often is not necessary to insert the device in the disc. The device generates internal traction or other forces acting on the disc to alter the shape of the disc. The shape of the disc is altered to relieve pressure on nerves adjacent the disc. The shape of the disc is also altered to draw nuclear hernias back into the interior of the disc and to produce a disc shape that improves functioning of the disc. | 01-24-2013 |
20130023991 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT CALIBRATED STAPLING DEVICES FOR SPINAL FUSION - A self-drilling bone fusion screw apparatus is disclosed which includes at least first and second sliding boxes. A first screw member having a tapered end and a threaded body is disposed within the first sliding box, and a second screw member having a tapered end and a threaded body disposed within the second sliding box. An adjuster adjusts the height of the sliding boxes. The screw members are screwed into vertebral bodies in order to fuse the vertebral bodies together. A plurality of the self-drilling bone fusion screw apparatuses may be attached together and/or integrated via a plate or cage. Also disclosed is a cervical facet staple that includes a curved staple base and at least two prongs attached to the bottom surface of the curved staple base. | 01-24-2013 |
20130023992 | BI-DIRECTIONAL FIXATING/LOCKING TRANSVERTEBRAL BODY SCREW/INTERVERTEBRAL CAGE STAND-ALONE CONSTRUCTS - A bi-directional fixating transvertebral (BDFT) screw/cage apparatus includes an intervertebral cage having a plurality of internal angled screw guides and screw members and a screw locking mechanism. The screw locking mechanism has leaf springs mechanically interacting with ratcheted screw heads of the screws and allowing the ratchet teeth of the screw heads to rotate only in a penetrating direction and preventing rotation of the screw head in an opposite direction. The intervertebral cage is adapted for posterior lumbar intervertebral placement, anterior lumbar intervertebral placement, anterio-lateral thoracic intervertebral placement, or anterior cervical intervertebral placement. | 01-24-2013 |
20130023993 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 01-24-2013 |
20130023994 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 01-24-2013 |
20130023995 | VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion. | 01-24-2013 |
20130023996 | VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion. | 01-24-2013 |
20130023997 | SYSTEM FOR REPLACING AN INTERVERTEBRAL DISC - System for replacing a disk between two vertebrae includes an intervertebral cage having an oblong body including at least two portions and separated by a gap extending along a curved axis and opening out through an opening at a first end of the body, and at least one introducer guide rod, a curved longitudinal core having cross-sections substantially complementary to the cross-sections of the gap so as to enable the core and the two portions of the body to slide relative to one another, elements for mounting a first end of the core to co-operate with an end of the guide rod so that the curved core projects from the end, and a push rod mounted to move relative to the guide rod so as to come into contact via one end against the end of the body in order to push the body in translation relative to the core. | 01-24-2013 |
20130030531 | Radiolucent Spinal Fusion Cage - An improved bone graft is provided for human implantation, particularly such as a spinal fusion cage for implantation into the inter-vertebral space between two adjacent vertebrae. The improved spinal fusion cage includes a substrate block of high strength biocompatible material having a selected size and shape to fit the anatomical space, and a controlled porosity analogous to natural bone. The substrate block may be coated with a bio-active surface coating material such as hydroxyapatite or a calcium phosphate to promote bone ingrowth and enhanced bone fusion. Upon implantation, the fusion cage provides a spacer element having a desired combination of mechanical strength together with osteoconductivity and osteoinductivity to promote bone ingrowth and fusion, as well as radiolucency for facilitated post-operative monitoring. The fusion cage may additionally carry one or more natural or synthetic therapeutic agents for further promoting bone ingrowth and fusion. | 01-31-2013 |
20130030532 | VERTEBRAL JOINT IMPLANTS AND DELIVERY TOOLS - A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion. | 01-31-2013 |
20130030533 | SPINAL IMPLANT AND METHOD OF USE - A spinal implant having a series of sections or units hinged together and a balloon connected to at least some of the sections, the balloon having a curved configuration. The implant has a first delivery configuration and a second curved placement configuration, wherein it has a more linear configuration in the first delivery configuration than in the second curved configuration. The implant assumes the first delivery configuration during delivery to the disc space and maintains the curved configuration after placement within the disc space. The curved configuration can result from filling or expanding the balloon. | 01-31-2013 |
20130030534 | ALLOGRAFT INTERVERTEBRAL IMPLANT AND METHOD OF MANUFACTURING THE SAME - The present invention is directed to an allograft intervertebral implant sized and configured for insertion between adjacent vertebral bodies in a spinal fusion surgery. The implant is preferably manufactured from two or more pieces of allograft bone joined together by a joint, more preferably a dovetail joint. The dovetail joint being sized and configured to substantially follow the exterior shape or surface of the intervertebral implant. | 01-31-2013 |
20130030535 | METHODS AND INSTRUMENTS FOR ENDOSCOPIC INTERBODY SURGICAL TECHNIQUES - This invention relates to methods and instruments for performing a surgical procedure in a disc space between adjacent vertebrae. A cannula is inserted to create a working channel through the skin and tissue of a patient using a transforaminal approach to the disc space. A viewing element is used to visualize working end of the cannula and the disc space. A facetectomy is performed through the working channel to access the disc space. The disc space is prepared with various instruments, such as distractors, shims, chisels and distractor-cutters that extend through the working channel. At least implant is inserted into the disc space. The procedure allows bi-lateral support of the adjacent vertebrae with the at least one implant inserted via a unitary, minimally invasive approach to disc space. | 01-31-2013 |
20130030536 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 01-31-2013 |
20130035763 | SPINAL FUSION DEVICE - A spinal fusion device is disclosed. The spinal fusion device includes a first endplate configured for fitting within a disc space and engaging with a first vertebra and a second endplate configured for fitting within the disc space and engaging with a second vertebra. The two endplates are separated by a single spacer that is positioned between the first endplate and the second endplate and maintains a pre-determined distance between the first endplate and the second endplate. The spacer contains an anterior end, a posterior end, a first lateral side, a second lateral side opposite to the first lateral side, a first surface that engages with the first endplate, a second surface that engages with the second endplate. Also disclosed are methods and instruments for implanting the spinal fusion device. | 02-07-2013 |
20130041469 | INTERBODY AXIS CAGE - An interbody axis cage for promoting stabilization and alignment of the spine following a surgical procedure is described herein. The interbody axis cage of the present invention has alternating points of axes in the X and Y direction that allow for 3-dimensional motion. The axis cage is roughly cylindrical in shape and it incorporates a threaded outerbody to facilitate screwing in and placement. The axis cage of the present invention is cannulated and incorporates a flexible reamer/cutter to “tap” for cage placement. | 02-14-2013 |
20130041470 | METHOD FOR PROVIDING DISC NUCLEUS REPLACEMENT IN A SPINE - A spinal interbody device includes a compliant inner dampener in combination with a rigid outer material of outer shells. An inner dampener includes a rim with pillars and heads coupled to a complimentary inner structure of the outer shells. | 02-14-2013 |
20130041471 | Laterally Deflectable Implant - A laterally deflectable asymmetric implant for implanting into a body may comprise a deflectable piece having distal and proximal ends and assuming a straightened insertion state. The backbone may abut or interconnect with said deflectable piece at the distal end of the deflectable piece. In a fully deflected state the implant may define an asymmetric shape, e.g. a D-shaped loop, defining an at least partially enclosed volume. The deflectable piece may comprise a sequence of segments interconnected at effective hinges. Longitudinal pressure applied to the proximal end of the deflectable piece (or applied to the backbone in an opposite direction) may cause relative longitudinal movement between the backbone and the proximal end of the deflectable piece and may generate outward horizontal movement of the deflectable piece away from the backbone. In one embodiment, the implant is implanted using lateral access into an anterior zone of a vertebra and deployed posteriorly. | 02-14-2013 |
20130053962 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT CALIBRATED STAPLING DEVICES FOR SPINAL FUSION - A self-drilling bone fusion screw apparatus is disclosed which includes at least first and second sliding boxes. A first screw member having a tapered end and a threaded body is disposed within the first sliding box, and a second screw member having a tapered end and a threaded body disposed within the second sliding box. An adjuster adjusts the height of the sliding boxes. The screw members are screwed into vertebral bodies in order to fuse the vertebral bodies together. A plurality of the self-drilling bone fusion screw apparatuses may be attached together and/or integrated via a plate or cage. Also disclosed is a cervical facet staple that includes a curved staple base and at least two prongs attached to the bottom surface of the curved staple base. | 02-28-2013 |
20130053963 | LUMBAR FUSION DEVICE - A lumbar fusion implant device has a pair of first and second body structures. The first body structure has a pair of appendages with enlarged rounded ends, the appendages projecting from the opposite sides of the first body structure. Similarly, the second body structure has a pair of appendages with enlarged rounded ends with the appendages projecting from opposite sides of the second body structure. Each of the enlarged ends of the appendages fit into sockets on an opposite first or second body structure and when the first and second body structures are longitudinally connected by a threaded fastener, tightening of the fastener moves the first and second body structures closer together expanding radially outwardly each appendage. | 02-28-2013 |
20130053964 | INTERBODY FUSION IMPLANT AND SCREW GUIDE - An interbody fusion implant fits between adjacent vertebrae for fixation during fusion thereof. Upper bores extend into a cephalid surface of the implant and preferably include threads therein. A guide tool is removably attachable to the implant which supports guide bores along centerlines aligned with the upper bores in the implant. A drill can pass along these guide bores to form holes in a vertebra adjacent the cephalid surface of the implant which is precisely aligned with the upper bores. A hybrid screw then passes through these holes in the vertebra adjacent the cephalid surface and threads into the upper bores to secure the implant to the adjacent cephalid vertebra. Bone screws can also be used to secure the implant to caudal vertebra by passing through bores passing through the implant, such that the implant is securely mechanically fastened to both cephalid and caudal vertebrae adjacent the implant. | 02-28-2013 |
20130053965 | SPINAL IMPLANTS AND RELATED APPARATUS AND METHODS - Example spinal implants and related apparatus, tools and methods are disclosed. An example spinal implant includes an outer corpus and an inner corpus axially displaceably coupled to the outer corpus. The example implant includes a transport admission provided on at least one of the outer corpus or the inner corpus and a lever admission provided on the other of the inner corpus or the outer corpus. The lever admission and the transport admission are arranged to receive a tool, wherein the tool to distract the spinal implant. The example further includes a tool lock arranged in the transport admission to lock the tool and a lever rotator engagement device provided in the lever admission. The lever rotator engagement device is to engage a lever rotator of the tool. In addition, the example includes a first guide provided on the inner corpus and a second guide provided on the outer corpus. The first guide and the second guide allow an axial displacement of the inner corpus relative to the outer corpus and prevent a rotation of the inner corpus relative to the outer corpus. In addition, in the example, the first guide and the second guide include a tongue and groove. | 02-28-2013 |
20130053966 | METHODS AND APPARATUS FOR INSERTION OF VERTEBRAL BODY DISTRACTION AND FUSION DEVICES - An inserter can be used to implant a distractible intervertebral body fusion device into a disc space and expand the device. The inserter includes a shaft frame and a drive shaft assembly for expanding the device and a support shaft assembly for stabilizing the device extending distally from the shaft frame. A drive housing can be operably connected to the shaft frame and extend outwardly from shaft frame distal of a proximal end of the shaft frame. Drive housing can have an internal passage that provides access into the shaft frame to a proximal end of the drive shaft assembly. An actuation tool can be disposed with the drive housing with a distal end extending through the access into the shaft frame to interface with the proximal end of the drive shaft assembly such that activation of the actuation tool rotates the drive shaft assembly to expand the device. | 02-28-2013 |
20130053967 | SYSTEM FOR RETAINING AN ANCHORING MEMBER ON AN IMPLANTABLE PART - This system includes a retaining housing formed by a hole intended to receive the anchoring member and a retaining portion arranged on the anchoring member; said retaining housing is arranged in a part having a degree of elastic flexibility and is delimited by a continuous wall of this part; the retaining housing, on the side of a first axial end, forms a first collar forming a continuous circular projection capable of being elastically deformed by the retaining portion arranged on the anchoring member; the wall of said part delimiting the retaining housing also forms, on a second axial end, a second collar not able to be elastically deformed by said retaining portion. | 02-28-2013 |
20130060337 | Spinal Plate - Spinal plates with additional features to improve the stability of the interface between the plate and the underlying bone. A bone plate may include one or more sharp ridges along the periphery of its underside. When attached to bone, the ridge digs into the bone and increases stability. A bone plate may alternatively or additionally include one or more holes for optional spikes, which may be inserted once the plate is attached to the bone. By separating the spikes and including them as an optional component, the plate may enhance stability while reducing or eliminating the chance of the spike injuring the patient. Furthermore, bone screws may incorporate alternating notches and ridges into the head of the screw. The notches and ridges may interface with a set screw, thereby preventing rotation and loosening of the screw. | 03-07-2013 |
20130060338 | CELL CARRIER AND CELL CARRIER CONTAINMENT DEVICES CONTAINING REGENERATIVE CELLS - The present invention relates to a device comprising a cell carrier portion containing regenerative cells, e.g., stem and progenitor cells, and a cell carrier containment portion. The device is useful for the treatment of bone related disorders, including spinal fusion related disorders and long bone or flat bone related defects. The device may be used in conjunction with disclosed automated systems and methods for separating and concentrating regenerative cells. | 03-07-2013 |
20130060339 | Intervertebral Fusion Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 03-07-2013 |
20130066428 | FIXATION DEVICE FOR BONES - A fixation device for bones includes a member which has at least one bore for receiving a bone screw, wherein the at least one bore comprises a first internal thread portion. The bone screw has a first shaft section provided with a first external thread portion arranged to cooperate with the internal thread portion of the at least one bore, and a head section having a diameter larger than that of the shaft section to provide a catch arranged to engage with a stop formed in the bore. The bone screw further has a second shaft section which includes a clearance groove extending between the catch of the head section and the external thread of the first shaft section. The clearance groove allows disengagement of the two thread portions, such that the bone screw is prevented from being unscrewed off the bore when it is loosened within the adjacent bone. | 03-14-2013 |
20130066429 | EXPANDING VERTEBRAL BODY IMPLANT - An expandable medical implant for supporting bone structures is disclosed. The implant may include an outer member and an inner member receivable in the outer member. One of the outer and inner members includes a tapered surface and the other of the outer and inner members includes a scalloped surface. The implant may also include a locking element disposed between the tapered surface and the scalloped surface. The tapered surface may be movable relative to the locking element to transversely shift the locking element into engagement with the scalloped surface to inhibit a decrease in the overall implant height. | 03-14-2013 |
20130073044 | REMOVABLE, BONE-SECURING COVER PLATE FOR INTERVERTEBRAL FUSION CAGE - A secondary cover plate that contacts a stand-alone fusion cage without rigidly connecting to the cage, and instead only docks against the cage (or passes through a fixation cage) and is secured into the adjacent bone. The secondary cover plate is the last item that would be added to the fixation cage construct and would at least partially cover the head of one or more angled screws. The secondary cover plate could slidably engage the fixation cage without permanently snapping into any features of the cage itself. The secondary cover plate would then be final positioned by advancing into one or more adjacent vertebral bodies. The secondary cover plate advancing step could be achieved by tapping it into place (into bone) or rotating it into place (into bone) so that it is finally secured into the bone. | 03-21-2013 |
20130073045 | METHOD AND APPARATUS FOR SPINAL INTERBODY FUSION INCLUDING FIXATION OR LOCKING PLATE - A spinal fusion implant has a parallelepiped main body with a rotatably mounted retention plate secured to its distal end. The distal retention plate has a first position co-planar with the main body and a second, deployed position normal to the plane of the main body. The distal retention plate is in the first position when the main body is inserted between adjacent vertebral bodies and is in the second position after the main body is inserted between adjacent vertebral bodies. In further embodiments, a proximal retention plate is permanently deployed in normal relation to the main body or both the distal and proximal retention plates are rotatably mounted and both are deployed co-planar to the main body before insertion and normal to the main body after insertion. | 03-21-2013 |
20130073046 | Multi-piece Intervertebral Implants - Intervertebral implants for implanting into an intervertebral space are provided. The implants can comprise one or more layers that are operably attached to one another. An implant can comprise a first layer having a first mating surface that mates with a second mating surface of a second layer. The first mating surface and the second mating surface can have features that allow them to complement each other. The implants can include one or more bore holes for receiving a fixation member. The bore holes can be horizontal, vertical or diagonal. In some cases, the bore holes will be blind bore holes. | 03-21-2013 |
20130073047 | Multi-piece Intervertebral Implants - Intervertebral implants for implanting into an intervertebral space are provided. The implants can comprise one or more layers that are operably attached to one another. An implant can comprise a first layer having a first mating surface that mates with a second mating surface of a second layer. The first mating surface and the second mating surface can have features that allow them to complement each other. The implants can include one or more bore holes for receiving a fixation member. The bore holes can be horizontal, vertical or diagonal. In some cases, the bore holes will be blind bore holes. | 03-21-2013 |
20130073048 | POSITIONING INSERT FOR INTERVERTEBRAL DISC DISORDER - A positioning insert for two adjacent vertebral bodies includes a plate like insert adapted to fix relative positions of the two adjacent vertebral bodies and provided with a sharp edge oppositely formed relative to the dull side and first holes defined through a side face of the plate like insert, wherein the sharp edge is formed to have an angle between 5 to 15 degrees; and an annular insert adapted to be inserted into a space between the two adjacent vertebral bodies and having second holes and a slot defined in a peripheral side face thereof to accommodate the plate like insert so as to have the plate like insert received in the slot. | 03-21-2013 |
20130079879 | Flexible Anchoring and Fusion Devices and Methods of Using the Same - A spacer member is provided that is configured to be implanted adjacent an anatomical structure. The spacer member defines a curved bore, a first opening in a side wall of the spacer member and a second opening in one of a top wall and a bottom wall of the spacer member. Each of the first opening and the second opening are in fluid communication with the curved bore. A flexible anchoring member is configured to be inserted through the side opening and through the curved bore of the spacer member such that a distal end portion of the flexible anchoring member extends out of the second opening at an angle relative to the one of the top wall and the bottom wall of the spacer member. | 03-28-2013 |
20130079880 | ADJUSTABLE SPINE DISTRACTION IMPLANT - An adjustable spine distraction implant alleviates pain associated with spinal stenosis and facet arthropathy by expanding the volume and/or cross sectional area in the spinal canal and/or neural foramen. The adjustable implant provides a spinal extension inhibitor. The implant includes elliptical or oval shaped adjustable member or spacer for positioning between and adjustably spacing apart the spinous processes. | 03-28-2013 |
20130079881 | COMPOSITE TISSUE-ENGINEERED INTERVERTEBRAL DISC WITH SELF-ASSEMBLED ANNULAR ALIGNMENT - The present invention relates to a tissue-engineered intervertebral disc (IVD) suitable for total disc replacement in a mammal and methods of fabrication. The IVD comprises a nucleus pulposus structure comprising a first population of living cells that secrete a hydrophilic protein and an annulus fibrosis structure surrounding and in contact with the nucleus pulposus structure, the annulus fibrosis structure comprising a second population of living cells and type I collagen. The collagen fibrils in the annulus fibrosis structure are circumferentially aligned around the nucleus pulposus region due to cell-mediated contraction in the annulus fibrosis structure. Also disclosed are methods of fabricating tissue-engineered intervertebral discs. | 03-28-2013 |
20130079882 | FAR LATERAL SPACER - A PEEK spacer for use in the spine is disclosed. The PEEK spacer may be configured to fit through Kambin's Triangle and expand upon insertion. | 03-28-2013 |
20130079883 | RADIALLY EXPANDABLE SPINAL INTERBODY DEVICE AND IMPLANTATION TOOL - A spinal interbody device includes a base link having a first end and a second end, and a linkage including a first link having a first end and a second end and a second link having a first end and a second end. The first end of the first link is coupled to the first end of the base link at a first hinge, the second end of the first link is coupled to the first end of the second link at a second hinge; and the second end of the second link is coupled to the second end of the base link at a third hinge. | 03-28-2013 |
20130085572 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 04-04-2013 |
20130085573 | INTERBODY VERTEBRAL SPACER - An interbody vertebral implant for facilitating fusion of adjacent vertebrae. The implant includes a first end plate, a second end plate, and an intermediate member disposed therebetween. The end plates are configured to allow bone in-growth. The intermediate member may include features to engage the end plates and to prevent over insertion of the intermediate member within the end plates. The implant may include a cavity extending through the composite implant configured to receive bone growth material to facilitate fusion between a first vertebra and a second vertebra. | 04-04-2013 |
20130085574 | Anterior Lumbar Interbody Fusion Cage Devices and Related Systems and Methods - A cage device for performing spinal fusion surgery and related methods. In some embodiments, a housing defining one or more ports may be provided that may be configured to be selectively disposed in an intervertebral space between adjacent vertebrae. One or more extensible retention structures may also be provided that may be configured to be selectively advanced out of the housing through the one or more ports. The one or more extensible retention structures may comprise a cutting edge configured such that the cutting edge is positioned entirely within the housing prior to selective advancement of the one or more extensible retention structures out of the housing through the one or more ports. One or more actuation mechanisms configured for selectively advancing the one or more extensible retention structures out of the housing through the one or more ports may also be provided. | 04-04-2013 |
20130090733 | IMPLANT WITH COMPLIANT LAYER - An intervertebral spacer having an upper layer, a lower layer and at least one non-planer compliant layer. The non-planer compliant layer is disposed between the lower layer and the upper layer and includes a portion that extends outside a lateral plane in which the compliant layer resides. The non-planar compliant layer made of a material that is more yielding than the upper layer and the lower layers, and may have a cross-section that is z-shaped, u-shaped, sinusoidal-shaped, zigzag shaped, etc. | 04-11-2013 |
20130090734 | Sac for use in spinal surgery - A method for fusing spinal bone is provided. The method comprises placing a sac between two or more adjacent sections of the spine to be fused, and filling the sac with bone tissue. The surfaces of the sac abutting the sections of the spine comprise porous material for allowing bone to grow between the spine and the sac. Surfaces of the sac not abutting the sections of the spine are nonporous to bodily fluids and thereby prevent premature deterioration of the bone tissue inside the sac. A sac for fusing spinal bone and a kit comprising the sac are also provided. | 04-11-2013 |
20130090735 | Intervertebral Implant - An intervertebral implant for being implanted between adjacent vertebrae is provided. The implant includes a generally elongate implant body having a length extending between opposite longitudinal ends thereof, a superior face and an inferior face. The superior face and inferior face include cortical teeth adjacent to the implant body longitudinal ends. Additionally, the superior and inferior faces include longitudinally central teeth intermediate the cortical teeth and have bone engaging ends. The central teeth have a sharper configuration than that of the cortical teeth bone engaging ends for biting into the softer central bone material of the vertebrae. The cortical teeth are arranged in a first density per unit area and the central teeth are arranged in a second density per unit area that is less than the first density. | 04-11-2013 |
20130096683 | Interbody Cage for Spinal Fusion and Method of Implanting Interbody Cages into Spines - A spinal interbody fusion implant has an impact rod fitting that is configured and adapted to be connected to an impact rod during implantation of the implant. The implant also comprises one or more openings that are encircled by portions of the implant and that extend into the top of the implant and continue through to and out of the bottom of the implant. The top and bottom of the implant each have a load bearing footprint. Each of the load bearing footprints has a centroid that is closer to the leading end of the implant than to the trailing end of the implant. A method of implanting a spinal interbody fusion implant between two vertebrae of a spine comprises inserting the implant into a patient through a posterior incision and guiding the implant into a position between the two vertebrae using a pair of shims. | 04-18-2013 |
20130096684 | Spinal Fusion Cage System With Inserter - The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation. | 04-18-2013 |
20130096685 | INTERVERTEBRAL SPINAL IMPLANT - An intervertebral spinal implant includes a shaped body with a first bearing side, a second bearing side located opposite to the first bearing side, a front part, a rear part, a concave side and a convex side. The concave side and the convex side are both connected to the bearing sides as well as to the front part and the rear part. The first bearing side and the second bearing side are each provided with at least two projections for penetration within a vertebral body's wall. The projections are formed by elongated sliding-guiding runners which extend in a diverging manner from the concave side of the body towards the convex side of the body. The sliding-guiding runners extend in a curved manner so that they also extend from the concave side of the body towards the rear part of the body in addition to extending towards the convex side of the body. The sliding-guiding runners are provided with a smooth surface facing the convex side of the body and with a rough surface facing the concave side of the body. | 04-18-2013 |
20130096686 | SYSTEMS AND TECHNIQUES FOR RESTORING AND MAINTAINNING INTERVERTEBRAL ANATOMY - Techniques and systems for distracting a spinal disc space and supporting adjacent vertebrae are provided. Trial instruments are insertable into the disc space to determine a desired disc space height and to select a corresponding implant. Implants can be also be self-distracting and the implant providing the desired disc space height can be implanted in the spinal disc space. | 04-18-2013 |
20130096687 | Artificial Hemi-Lumbar Interbody Spinal Fusion Cage Having an Asymmetrical Leading End - An artificial interbody spinal implant adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies is disclosed. The implant has an asymmetrical leading end adapted to sit upon the more peripheral areas, such as the apophyseal rim and the apophyseal rim area, of the vertebral end plate region of the vertebral bodies without protruding therefrom. The asymmetrical leading end allows for the sate use of an implant of maximum length for the implantation space into which it is installed. The implant can also include an asymmetric trailing end adapted to sit upon the more peripheral areas of the vertebral end plate region of the vertebral bodies. | 04-18-2013 |
20130096688 | Interbody Spinal Fusion Implant Having A Trailing End With At Least One Stabilization Element - A flanged interbody spinal fusion implant for insertion at least in part between adjacent vertebral bodies has opposed upper and lower surfaces adapted to contact each of the adjacent vertebral bodies from within the disc space, a leading end for insertion between the adjacent vertebral bodies, and a trailing end opposite the leading end. The trailing end has a height greater than the maximum height of the disc space forming a flanged portion adapted to overlie a part of the anterior aspects of the vertebral bodies adjacent and proximate the disc space to be fused. The flanged portion has at least two bone screw receiving holes, at least one each adapted to overlie each of the adjacent vertebral bodies at least in part. The implant has at least one locking element to lock one or more of the bone screws inserted in the bone screw receiving holes. Instrumentation for inserting the implant, forming screw holes in the vertebral body, and for locking the locking elements are disclosed. | 04-18-2013 |
20130096689 | INTERSPINOUS VERTEBRAL STABILIZATION DEVICES - The present invention provides interspinous vertebral and lumbosacral stabilization devices, and methods of using these devices for treating spinal instability conditions. The invention includes interspinous vertebral stabilization devices adapted for placement between the spinous processes of two or more adjacent vertebrae. The invention also includes lumbar stabilization devices adapted to be placed between a lumbar vertebra and an adjacent vertebra, including the first sacral vertebra (S1), to stabilize the lumbosacral region of a patient, and method for using such devices. | 04-18-2013 |
20130103152 | SPINAL FACET FUSION DEVICE AND METHOD OF OPERATION - A spinal facet fusion device is provided. The device includes a working sleeve having a first surface with a first port and a second port extending there through. The first port has a first perimeter and the second port having a second perimeter, wherein the first port is larger than the second port. A guide wire sleeve having a body with a proximal end and a distal end and a first outer perimeter is provided. The first outer perimeter is sized and shaped to be slidingly disposed within the second port, the guide wire sleeve having a channel extending longitudinally from the proximal end through the distal end, the body further having a stop feature on the distal end. An implementing device having a second outer perimeter is sized to be slidingly received within the first perimeter. | 04-25-2013 |
20130103153 | INTERBODY IMPLANT SYSTEM AND METHODS OF USE - An interbody implant system includes at least one endplate member defining a longitudinal axis, a trial member and a permanent implant. The endplate member is configured for engagement with a vertebral endplate and permanent implantation. The trial member is configured for disposal adjacent the at least one endplate member within an intervertebral space. The permanent implant member has a configuration and dimension corresponding to the trial member, and is disposed adjacent the at least one endplate member within the intervertebral space. | 04-25-2013 |
20130103154 | EXPANDABLE SPINAL IMPLANT AND METHODS OF USE - A spinal implant includes first and second vertebral endplate-engaging components connected to each other at one end in articulated engagement to provide a desired expanded configuration, and an expander component disposed between the first and second components at the other end thereof to maintain the expanded configuration. Methods of use are disclosed. | 04-25-2013 |
20130103155 | Silicone nucleus implants - A nucleus implant includes a core ( | 04-25-2013 |
20130103156 | LATERALLY EXPANDABLE SPINAL PROSTHESIS - An expandable spinal prosthesis is disclosed, including a first surface having a first plurality of tissue anchors; a second surface opposite the first surface, the second surface having a second plurality of tissue anchors; a first wall between the first and second surfaces, and a second wall between the first and second surfaces, the second wall located opposite the first wall and being movable with respect to the first wall. A surgical instrument is also provided, including an elongated shaft defining a proximal end and a distal end; a first prosthesis engagement element accessible from the proximal end and extending from the distal end; and a second prosthesis engagement element accessible from the proximal end and extending from the distal end, the second prosthesis engagement element including a plurality of gear teeth. | 04-25-2013 |
20130110239 | SPINAL SURGERY IMPLANTS AND DELIVERY SYSTEM | 05-02-2013 |
20130110240 | Artificial Discs | 05-02-2013 |
20130110241 | PIVOTABLE INTERBODY IMPLANT SYSTEM | 05-02-2013 |
20130110242 | Spinal Interbody Device | 05-02-2013 |
20130110243 | MICROSTRUCTURED IMPLANT SURFACES | 05-02-2013 |
20130110244 | JOINT IMPLANT | 05-02-2013 |
20130110245 | IMPLANT HAVING A SANDWICH STRUCTURE, IMPLANT SYSTEM AND IMPLANT SUPPORT | 05-02-2013 |
20130110246 | DEVICES AND METHODS FOR INTER-VERTEBRAL ORTHOPEDIC DEVICE PLACEMENT | 05-02-2013 |
20130110247 | Implants with a Connectable Insert and Related Systems and Methods | 05-02-2013 |
20130110248 | LOCKABLE IMPLANT MEMBERS | 05-02-2013 |
20130116790 | Intervertebral Spinal Implant - An intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine is provided. The upper surface and the lower surface of the implant each have a contact area capable of engaging with anatomy in the treated area, and the upper and lower surfaces define a through-hole having an inner surface extending through the spacer body. A first and second sidewalls extend from a front end and a back end, wherein the first and second sidewalls are configured with engagement portions positioned in close proximity to the front end and the back end. The front end and the back end are configured with a threaded hole for receiving an instrument for inserting the intervertebral implant into the intervertebral disc space. | 05-09-2013 |
20130116791 | Expandable intervertebral spacer implant - Expandable intervertebral spacer implants are illustrated for insertion into an intervertebral space between a superior vertebral body and an inferior vertebral body. The implant is formed as a first and second member having a variable distance therebetween, each member having a first end and a second end with a length therebetween, a proximal side and a distal side with a width therebetween, and a pair of internally guided legs which are rotatable about one or more common axes and are positioned to successively interlock with a plurality of detents formed within each said first and second members to facilitate maintenance of a specific distance therebetween. | 05-09-2013 |
20130116792 | COMPOSITE IMPLANT - A composite interbody vertebral implant for facilitating fusion of adjacent vertebrae. The implant includes a first endplate of a porous metal material and a second endplate of a porous metal material which are configured to allow bone in-growth. The implant also includes a polymeric body positioned between and bonded to the first and second endplates such that polymeric material of the polymeric body is impregnated into pores of the first and second endplates to bond the components together. The implant may include a cavity extending through the composite implant configured to receive bone growth material to facilitate fusion between a first vertebra and a second vertebra. | 05-09-2013 |
20130116793 | SURGICAL IMPLANT - The present invention is directed to a surgical implant for the fusion of two adjacent vertebrae with an upper plane for contacting an upper vertebral body and a lower plane for contacting a lower vertebral body and a tubular structure, wherein the tubular structure is formed by a plurality of tubes running from the upper plane to the lower plane and in substantially horizontal direction throughout one side of the surgical implant straight to the opposite side of the surgical implant. This tubular structure has the advantage that the formation and ingrowth of new bone is promoted and advantaged and that the degree of formation and ingrowth of new bone is detectable by X-ray measurements. | 05-09-2013 |
20130123923 | FACET INTERFERENCE CAGE - An implant includes a body sized and shaped for insertion into a facet joint, the implant including a first bone fixation element receiving opening extending through a portion thereof along a first axis oriented so that, when the implant is received within a facet joint in a desired configuration, a bone fixation element inserted into the first bone fixation element receiving opening will extend into a first one of the vertebra forming the facet joint. | 05-16-2013 |
20130123924 | EXPANDABLE SPINAL INTERBODY AND INTRAVERTEBRAL BODY DEVICES - A device for insertion into a spinal (intervertebral or intravertebral) space is expandable from a first circumference to a second circumference through axial compression of segments of the device, particularly once the device has been properly situated within a vertebral space. The interbody/intravertebral body device is characterized by a plurality of axially stacked, individual segments that are provided on a central insertion and deployment rod. Each segment includes a central plate or body to which are pivotally attached plate or leaf structures. Pivoting of the structures provides a collapsed or unexpanded position of the first circumference and an open or expanded position of the second circumference. | 05-16-2013 |
20130123925 | SELF-DEPLOYING LOCKING SCREW RETENTION DEVICE - A screw assembly and a spinal implant. The screw assembly includes a screw with a head and a shaft where a screw retention member is positioned beneath the head of the screw and substantially surrounds the shaft of the screw. The screw retention member is formed from a temperature-sensitive material. The screw retention member has a first contracted position adapted for inserting the screw through at least one hole in the spinal implant and a second expanded position adapted for retaining the screw within the at least one hole in the spinal implant. The screw retention member may be in the form of a coiled spring or a collar having a plurality of tabs. | 05-16-2013 |
20130123926 | INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION - A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine. | 05-16-2013 |
20130123927 | PLASTICALLY DEFORMABLE INTER-OSSEOUS DEVICE - Described here are deformable, monolithic, stabilization devices, or implants, suitable for use within bone and between bones, for instance, to fuse vertebral bodies, to repair herniated discs, or to repair spinal compression fractures. The implants are introduced into a chosen site at a first, smaller height and then plastically deformed to achieve a second, but unique, pre-selected, larger height. Variations of the device provide one or more specific larger heights. The devices are particularly suitable as intervertebral spinal fusion implants for the immobilization of adjacent vertebral bodies. Methods of deploying the implants are also described as are instruments for such deployment. | 05-16-2013 |
20130131808 | Stabilizing Vertebrae with Expandable Spacers - A spinal distractor and stabilizer has resilient, conformable bone contacting sections which are separated by an expandable chamber that extends from one of the sections, and which forms a ratchet with the section, ensuring that once expanded by being filled with a substance, cannot contract absent intervention by a medical practitioner. The stabilizer may be filled with a material which solidifies, after which some or all of the device may biodegrade. The device may also be provided in separable portions to facilitate implantation. The conformable sections distribute the distraction and stabilizing force evenly over the bone surface, reducing the incidence of disruption to the integrity of the bone. | 05-23-2013 |
20130131809 | LATERAL CAGE STABILIZATION - A kit for stabilizing an intervertebral disc space, wherein the kit includes a cage, a suture and a plurality of suture anchors. The suture anchors are pressed into the anterior faces of the vertebral bodies holding the cage, while the ends of the suture are formed into a loose, preformed Giant Knot to allow their tightening to be accomplished through a minimally invasive portal. | 05-23-2013 |
20130131810 | APPARATUS AND METHOD FOR TREATING BONE - A bone tamp for creating channels within bone tissue. The bone tamp includes an elongated member that is deformable from a first generally non-linear configuration to a second generally linear configuration for insertion into bone tissue. As the elongated member is deployed into bone tissue, it transitions from the linear configuration into the non-linear configuration within the bone tissue. The elongated member is capable of being deformed back into the generally linear configuration for withdrawal from the bone tissue. | 05-23-2013 |
20130131811 | EXPANDABLE DEVICE FOR DISTRACTING SPINAL TISSUE SURFACES - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of interlocking expansion members or wafers. The like-configured wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. One of the interlocking features includes a plurality of prongs projecting from an upper surface of the wafers and into a recess defined in the lower surface of an adjacent previously inserted like-configured wafer. The prongs and recesses are configured to prevent retrograde movement of each new wafer in a direction opposite the direction of insertion. Other interlocking features prevent movement in the direction of insertion, transverse to the insertion direction and vertically within the stack. | 05-23-2013 |
20130131812 | BONE IMPLANTS AND METHOD OF MANUFACTURE - An implant device for humans or mammals has a body structure having an exposed surface and one or more selected portions of the exposed surface having a bone formation enhancing 3-dimensional pattern. The exposed surface can be on exterior portions of the body structure or internal portions of the body structure or both. The one or more selected portions of the exposed portions having the bone formation enhancing 3-dimensional patterns are in the external exposed surfaces or in the internal exposed surfaces or both internal and external exposed surfaces. | 05-23-2013 |
20130131813 | ARTIFICIAL DISC REPLACEMENTS WITH NATURAL KINEMATICS - This invention improves upon prior art total disc replacements (TDRs) by more closely replicating the kinematics of a natural disc. The preferred embodiments feature two or more fixed centers of rotation (CORs) and an optional variable COR (VCOR) as the artificial disk replacement (ADR) translates from a fixed posterior COR that lies posterior to the COR of the TDR to facilitate normal disc motion. The use of two or more CORs allows more flexion and more extension than permitted by the facet joints and the artificial facet (AF). AF joint-like components may also be incorporated into the design to restrict excessive translation, rotation, and/or lateral bending. | 05-23-2013 |
20130138214 | SUPPORT DEVICE AND METHOD OF USE - Devices and methods for orthopedic support are disclosed. The device can have a first rigid section hingedly attached to a second rigid section. The device can be curved or rotated around obstructions along an access path to a target site. The device can be delivered to an intervertebral location in a patient. | 05-30-2013 |
20130138215 | Intervertebral Implant - An intervertebral implant having an upper and a lower closing plate designed to engage the vertebral end plates. The implant has a deformable body between the closing plates. Between the deformable body and closing plates are cover plates. A plurality of fiber windings run between the cover plates to hold together the cover plates and the deformable body. | 05-30-2013 |
20130138216 | Systems and Methods for Spinal Fusion - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 05-30-2013 |
20130138217 | Intervertebral Implant with Blades for Connecting to Adjacent Vertebral Bodies - An intervertebral implant for insertion into an intervertebral disc space between adjacent vertebral bodies or between two bone portions. The implant includes a spacer portion, a plate portion operatively coupled to the spacer portion and one or more blades for securing the implant to the adjacent vertebral bodies. The blades preferably include superior and inferior cylindrical pins for engaging the adjacent vertebral bodies. The implant may be configured to be inserted via a direct lateral trans-psoas approach. Alternatively, the implant may be configured for insertion via an anterior approach. | 05-30-2013 |
20130144387 | SPINAL IMPLANT DEVICES AND METHODS - Systems, devices and methods relating to a spinal implant for placement in a disc space of a spine are described. A spinal implant ( | 06-06-2013 |
20130144388 | Disc Space Sizing Devices And Methods Of Using The Same - A spacing device is provided for adjusting the spacing between adjacent vertebral bodies. The spacing device has a distal end with at least one distraction member adapted for insertion into an intervertebral disc space and movable between a low profile first configuration and a higher profile second configuration. Also provided is an actuator for moving the distraction member between the first configuration (for delivery of the distal end of the spacing device to a target disc space) and the second configuration (for manipulation of the space between adjacent vertebral bodies). | 06-06-2013 |
20130144389 | JOINT SPACER - To change a spatial relationship between two or more bones in a patient's body, a wedge member is moved into a joint between the bones. The wedge member may have a cam-shaped configuration and be rotated through less than a revolution to apply force against the bones. The wedge member may have a porous construction which enables bone to grow through the wedge member and immobilize the joint. The wedge member may be coated with and/or contain bone growth promoting material. The wedge member may be connected to only one of the bones or may be connected to two adjacent bones. If the wedge member is connected to only one bone, the joint may be capable of being flexed after the wedge member is inserted into the joint. | 06-06-2013 |
20130144390 | Systems and Methods for Spinal Fusion - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 06-06-2013 |
20130144391 | SURGICAL SYSTEMS AND METHODS FOR IMPLANTING DEFLECTABLE IMPLANTS - Deflectable implants, systems and methods for implanting deflectable implants are disclosed. The deflectable implant ( | 06-06-2013 |
20130150968 | Anchoring Device and System for an Intervertebral Implant, Intervertebral Implant and Implantation Instrument - Anchoring devices, anchoring systems for intervertebral implants, intervertebral implants, and instruments and methods for implanting implants are disclosed. In preferred configurations, these various objects share the feature of comprising or cooperating with an anchoring device ( | 06-13-2013 |
20130150969 | SPINNER BODY - An intervertebral implant can include a housing having a first end and second end with a top side and bottom side therebetween, with at least one engagement opening in the top side and/or bottom side, the implant having a first dimension from the top side to the bottom side; a shaft rotatably located within the housing and having a shaft head exposed through an end opening in the first end, the shaft head having a tool coupling member; the cam mechanism operably coupled with the shaft such that rotation of the shaft rotates the cam mechanism; and at least one engaging surface operably coupled to the cam mechanism such that rotation of the shaft protrudes and/or retracts each engaging surface through an engagement opening, wherein when each engaging surface protrudes through the engagement opening, the implant has a second dimension that is greater than the first dimension. | 06-13-2013 |
20130150970 | Implant with Sensor - A spinal implant for supporting adjacent bones or vertebrae by insertion through a surgical opening with adjacent nerves is disclosed. The spinal implant may include a body and one or more conductors. The body is configured to be inserted through the surgical opening to fit between the two endplates of the adjacent vertebrae and to maintain spacing between the endplates. The conductor has at least a first and second ends. Extending through a portion of the body, the conductor's first end is exposed and accessible through the surgical opening. The second end is exposed and positioned to communicate with at least one of the nerves. The first end of the conductor is also configured to communicate with a monitori | 06-13-2013 |
20130150971 | EXPANDABLE SPINAL IMPLANT DEVICE - An expandable spinal implant device for supporting vertebral bodies can include first and second body members and first and second expansion mechanisms. The body members can each have a first end positionable toward one of the vertebral bodies and can each define a hollow interior. The expansion mechanisms can be spaced apart from each other and can include a first drive shaft and a second drive shaft, respectively. The first and second drive shafts can each have a gear member fixedly coupled thereto. Each drive shaft can be threadably engaged at a first side to the first body member and at a second side to the second body member. The expansion mechanisms can be operable to effect axial displacement of the first body member relative to the second body member by rotationally driving the gear members of the first and second drive shafts. | 06-13-2013 |
20130158663 | EXPANDABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral implant comprises a first component and a second component. The second component includes an actuator and a third component comprises a first ramp and a second ramp axially spaced apart from the first ramp. The third component comprises rails including at least a portion of the ramps. At least one of the ramp portions disposed with the first rail has a first height and at least one of the ramp portions disposed with the second rail has a second height. The first height is greater than the second height. The actuator is engageable with the third component to effect axial translation such that the ramps engage at least one of the components between a first configuration and a second configuration. Methods of use are disclosed. | 06-20-2013 |
20130158664 | EXPANDABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral implant is provided. The intervertebral implant comprises a first component comprising an outer tissue engaging surface and an inner surface. A second component is connected to the first component, and is relatively moveable thereform. The second component comprises an outer tissue engaging surface and an inner surface. The second component includes an actuator. A third component is disposed for engagement and is movable relative to the first and second components. The third component comprises at least a first ramp and a second ramp axially spaced apart from the first ramp. The actuator is engageable with the third component to effect axial translation of the wedge such that the ramps engage the inner surface of at least one of the first component and the second component to move the components between a first, collapsed configuration and a second, expanded configuration. Methods of use are disclosed. | 06-20-2013 |
20130158665 | SPINAL IMPLANT - A spinal implant comprising a first component, a second component and a core component is disclosed. The first component comprises a first exterior surface configured for engaging a first vertebra and a first interior surface opposing the first exterior surface. The second component comprises a second exterior surface configured for engaging a second vertebra and a second interior surface opposing the second exterior surface. The core component is situated between the first and second components and adhered to the first interior surface and the second interior surface, wherein at least one of the first interior surface and the second interior surface comprises a concavity such that at the location of the concavity, the core component comprises a corresponding convexity. Further, the core component may further comprise a sidewall, wherein the sidewall comprises a concavity. | 06-20-2013 |
20130158666 | FACET FUSION SYSTEM - A facet fusion system including a first drill guide, a second drill guide and a facet fusion implant. The first drill guide has a first aperture formed therein. The second drill guide has a second aperture formed therein. A position of the first aperture on the first drill guide is offset from a position of the second aperture on the second drill guide. The facet fusion implant has at least one gripping region and at least one bone growth region. The at least one bone growth region has a diameter that is larger than a diameter of the first aperture and the second aperture. | 06-20-2013 |
20130158667 | EXPANDABLE INTERBODY DEVICE SYSTEM AND METHOD - Provided is an intervertebral implant to be implanted within an intervertebral space between endplates of adjacent vertebra during use. The implant includes an upper member having an inferior surface including an upper guide track and a superior surface to contact an endplate of an upper one of the adjacent vertebra during use, a lower member having a superior surface including a lower guide track and an inferior surface to contact an endplate of a lower one of the adjacent vertebra during use, and an insert having a superior surface including an upper guide rail to engage the upper guide track during use and an inferior surface including a lower guide rail to engage the lower guide track during use. Engagement of the upper and lower guide rails with the upper and lower guide tracks, respectively, guides insertion of the insert between the upper and lower members during use, and insertion of the insert between the upper and lower members facilitates expansion of the intervertebral implant. | 06-20-2013 |
20130158668 | UNILATERAL MOVEABLE INTERBODY FUSION DEVICE AND METHOD OF USE - An interbody fusion device including a body member, at least one side member engaging the body member, and at least one movement mechanism that engages at least one side member and the body member. A surgical method for maintaining a space between two vertebral bodies in a spine, including the steps of obtaining a medical device, such as an interbody fusion device, and inserting and coupling an expansion tool into an opening within the medical device. The surgical method also including slidingly inserting the medical device into a space between two vertebral bodies and rotating the expansion tool to move the at least one side member in a direction relative to the body member. The method may further include detaching the expansion tool from the medical device and removing the tool from the space between the two vertebral bodies in the spine. | 06-20-2013 |
20130158669 | Expandable Self-Anchoring Interbody Cage for Orthopedic Applications - The present invention is directed to an expandable spinal fusion intervertebral implant that provides for maintaining and creating lordosis in the human spine that can be filled with biologics while in situ to encourage spinal fusion. A threaded rod that traverses an insertion/injection handle can be rotated to operate a screw within the interbody cage that displaces opposing vertical tapped sliding wedges, causing them to converge towards each other. Such contact causes the operation of a horizontal wedge that acts as a lift to expand the interbody cage to one of various dimensions in a preferred range. At its desired expansion, the spinal fusion implant of the present invention is sized to fit within the disc space between two vertebral bodies and fill all voids left while the vertical and horizontal wedges operate within, due to the biologics being contained within the interbody cage. | 06-20-2013 |
20130166027 | Lateral Cage with Integrated Plate - An intervertebral fusion cage having a plate pivotally attached thereto. The plate and cage are pivotally coupled but move independently of each other. The plate is made up of two smaller plate halves: a superior plate half and an inferior plate half Both plate halves form the larger plate. The plates are joined using a cross pin that provides a pivot point about which the plate halves rotate. The same pin also joins the plate halves to the cage, thus allowing the plate halves to pivot about the cage. It is believed that the device of the present invention will reduce the difficulties in placing a lateral plate down a port and manipulating it into position. Mating the plate to the cage will reduce the chances of micromotion and improve fusion rate, resulting in improved patient outcomes. | 06-27-2013 |
20130166028 | COMPOSITE LAYER INTERVERTEBRAL RETRIEVING DEVICE - A composite layer intervertebral retrieving device implantable between two vertebrae is provided, including a main carrier having a middle layer, and a securing groove on respective surfaces; multiple securing pieces stably coupled to the securing grooves; wherein the middle layer is a macromolecular material having an elastic modulus of between 2 to 22 GPa, close to the original elastic modulus of the spine of between 12 to 18 GPa. The securing pieces are affinitive to and easily fused with osteocytes, and capable of medically imaging. The securing pieces are coupled to the securing grooves, and when the device is implanted between vertebrae, the securing pieces come into direct contact with the osteocytes of the neighboring vertebrae, with securing bulges thereof pressing against the osteocyes, and the middle layer has an elastic modulus similar to that of the vertebrae to prevent the stress shielding effect. | 06-27-2013 |
20130166029 | Anchoring Device and System for an Intervertebral Implant, Intervertebral Implant and Implantation Instrument - Anchoring devices, anchoring systems for intervertebral implants, intervertebral implants, and instruments and methods for implanting implants are disclosed. In preferred configurations, these various objects share the feature of comprising or cooperating with an anchoring device having a body comprising at least one curved plate elongated along a longitudinal axis, designed to be inserted through a passage crossing at least a part of implant, in order to penetrate into at least one vertebral endplate and attach implant onto this vertebral endplate by means of at least one stop retaining the implant, characterized in that the body comprises at least one longitudinal rib on at least a part of at least one of its faces, said rib being designed to cooperate with a groove made in passage of implant. In some preferred configurations, anchoring device comprises withdrawal stops or latches, and/or means for withdrawing the anchor from an inserted position. | 06-27-2013 |
20130166030 | INTERVERTEBRAL IMPLANT - An intervertebral implant is provided comprising a single piece hollow body with an upper wall configured to engage a first vertebral end plate and a lower wall configured to engage a second vertebral end plate, with two opposite sidewalls connecting the upper wall and the lower wall, respectively, and with a load transmitting part configured to transmit load between the upper wall and the lower wall; wherein the body is configured to assume a compressed condition in which a distance between the upper wall and the lower wall defines a first height (h | 06-27-2013 |
20130166031 | INTERVERTEBRAL SPACER, SYSTEM AND METHOD TO DISTRACT ADJACENT VERTEBRAE AND INSERT A SPACER - Intervertebral spacer being a longitudinal body with a cross-section that has a long axis and a short axis, at least one component of which may be deployed following an axis that is essentially perpendicular to the longitudinal body's long axis and to the axis of the spine. | 06-27-2013 |
20130166032 | INTERVERTEBRAL IMPLANTS, SYSTEMS, AND METHODS OF USE - An intervertebral implant frame that is configured to be attached to a spacer body can include a pair of arms that extend longitudinally from a support member such that the arms extend substantially around the spacer body. The arms may be configured to expand, crimp, or otherwise engage the spacer body to thereby hold the spacer body to the frame. The spacer body may be made from bone graft. | 06-27-2013 |
20130173002 | TOOLS FOR IMPLANTATION AND EXTRACTION OF POSTERIORLY PLACED LUMBAR ARTICIAL DISCS INCLUDING: A TOTALLY WIRELESS ELECTRONICALLY EMBEDDED ACTION-ENDED ENDOSCOPE UTILIZING DIFFERENTIAL DIRECTIONAL ILLUMINATION WITH DIGITALLY CONTROLLED MIRRORS AND/OR PRISMS, AND A DISC BALL INSERTER , A PLATE EXTRACTOR, AND RESCUE DISC PLATES - A hand manipulated endoscopic medical device includes a body having a proximal end, which is hand manipulated, a distal end which includes a manipulator, a light emitting device at the distal end, an imaging device at the distal end. A tool for extracting an artificial lumbar disc from between a pair of vertebral plates includes a handle, a member for transmitting force, and a sharpened end, specially configured to be placed between the artificial disc and the vertebral plate. A tool for implanting or explanting a ball to or from an artificial lumbar disc includes a pinion shaft and a pinion shaft enclosure, with a tightening knob at the proximal end of the shaft enclosure and coupled to the pinion shaft, a pinion at the distal end of the pinion shaft, a grappling device at the pinion, and a pair of semi-circular rings. | 07-04-2013 |
20130173003 | EXPANDABLE INTERVERTEBRAL IMPLANT - An expandable intervertebral implant includes a front wall, a back wall spaced apart from the front wall, and two side walls connecting the front wall and the back wall at their respective ends. The walls define a space. The implant further includes a bottom face, a top face, at least one engagement member with an engagement surface for engagement with the end plate of a vertebral body, a first adjusting element and a second adjusting element which are supported by a first support member and a second support member, respectively, and which cooperate with the respective support member such that the engagement member is reciprocally movable between a first end position and a second end position. In the first end position, the engagement surface does not project beyond the bottom face or the top face and in the second end position, the engagement surface at least partially projects outwardly beyond the bottom face or the top face. The first and the second support members are coupled by a coupling mechanism. | 07-04-2013 |
20130173004 | SUPPORT DEVICE AND METHOD FOR USE - Devices and methods for orthopedic support are disclosed. The device can have a first rigid section hingedly attached to a second rigid section. The device can be curved or rotated around obstructions along an access path to a target site. The device can be delivered to an intervertebral location in a patient. | 07-04-2013 |
20130173005 | Intervertebral Implant - In an intervertebral implant, having an upper part that has a support face for a vertebra and a lower part that has a support face for an adjacent vertebra, on each of which parts engagement elements, which are accessible from one side of the intervertebral implant, for a manipulation instrument are disposed, in order to minimize the structural height of the intervertebral implant upon insertion into an intervertebral space, it is proposed that the upper part and lower part each have protrusions and recesses aimed at the respectively other part, which are offset laterally from one another in such a way that when the upper part has been brought close to the lower part they mesh with one another; and that the engagement elements on the upper part and on the lower part are each disposed in protrusions of these parts in such a way that the engagement elements of the upper part and lower part are located side by side and at least partly overlap in the direction of the height of the intervertebral implant. | 07-04-2013 |
20130178939 | EXPANDABLE INTERBODY IMPLANT AND METHOD - An intervertebral implant that can be surgically introduced between adjacent vertebrae and expanded in situ to occupy an optimal space between the vertebrae. The implant is inserted into the evacuated disc space obliquely and then oriented so as to extend laterally across the anterior adjacent vertebrae with its outer ends of the implant supported by the cortical rims on the opposite sides of the vertebrae. The implant has two body members with a space therebetween so the implant may be then distracted and a spacer of predetermined thickness that may be inserted within the space between the body members so as to maintain a desired amount of distraction. The upper and lower surfaces of the implant may have a desired lordotic angle. A method of using an implant is disclosed which permits endoscopic visualization of the disc space. | 07-11-2013 |
20130178940 | EXPANDABLE CAGE SPINAL IMPLANT - An expandable cage for maintain the position of adjacent vertebrae includes a cage top, a cage bottom, and a plurality of shims. The cage top is adapted for contacting a bottom surface of the upper of the adjacent vertebrae, and the cage bottom is adapted for contacting an upper surface of the lower of the adjacent vertebrae. The plurality of shims are adapted for insertion between the cage top and cage bottom to expand the cage. The shims include a proximal end having a bone graft distribution feature configured such that when bone graft material is introduced to the site of the expandable cage, the bone graft material is separated at the bone graft distribution feature and distributed to either side of the cage. | 07-11-2013 |
20130178941 | MINIMALLY INVASIVE INTERVERTEBRAL STAPLE DISTRACTION DEVICES - Multiple, small, staple-like supports are inserted through a small tube into the disc space then rotated into position on the edge of the vertebral bodies. The tooth-like geometry of the proximal and distal faces of these staples mates with the outer edge of the vertebral body, extending past the front of the endplate anteriorly. The staples have teeth that dig into the endplate on the inside of the rim as well. | 07-11-2013 |
20130184825 | Spinal Fusion Cage with Removable Planar Elements - The present disclosure relates to an intervertebral fusion cage that is equipped with generally planar elements disposed on at least one of the top, bottom or lateral wall of a fusion cage, such planar elements reversibly covering at least one opening to prevent leakage of fusion promoting material. | 07-18-2013 |
20130184826 | BIOABSORBABLE ENCLOSURES - Provided are bioabsorbable enclosures for use in spinal surgical procedures such as fusion of spinal vertebrae. Also provided are methods for enhancing fusion of spinal vertebrae using bioabsorbable enclosures. | 07-18-2013 |
20130184827 | SPINAL IMPLANT - According to some embodiments, a method for promoting spinal fusion using a spinal implant comprises providing a spinal implant, wherein the spinal implant comprises an anterior wall, a posterior wall and two lateral walls configured to extend between the anterior wall and the posterior wall. In some embodiments, the spinal implant further comprises at least one internal chamber generally positioned between the anterior wall, the posterior wall and the two lateral walls, wherein the internal chamber being is adapted to receive at least one graft and/or other fill material. In some embodiments, at least a portion of the graft and/or other fill material delivered into the internal chamber is configured to exit through the one or more of the openings of the anterior wall. | 07-18-2013 |
20130184828 | Prosthesis for Cervical and Lumbar Spine - The present invention relates to an intervertebral disc prosthesis for the total replacement of an intervertebral disc of the cervical or lumbar spine. The prosthesis provided by the invention is intended for coupled physiological motion within the disc space. The design of the disclosed prosthesis is based on an inlay positioned within the articulation area of two adjacent sliding partners and provides the advantage of comprising a ball and socket shaped articulation area, which enables limitation of rotation around the sagittal, frontal and longitudinal axis. The inlay is protected against luxation due to its position within a recess of one of the adjacent sliding partners. An additional protuberance going through the inlay is protecting against luxation of the adjacent sliding | 07-18-2013 |
20130190876 | EXPANDABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral implant comprises a first component and a second component. A first arm extends between a first end and a second end. A second arm extends between a first end and a second end. The first ends of the arms are engageable with the first component. An actuator is disposed within the second component and includes a first member and a second member. The members are configured for axial translation relative to the actuator. The first member translates in a first axial direction and is engageable with the first arm and the second member translates in a second axial direction and is engageable with the second arm such that the arms move the first component and the second component between a first, collapsed configuration and a second, expanded configuration. Methods of use are disclosed. | 07-25-2013 |
20130190877 | IMPLANT APPARATUS AND METHOD INCLUDING TEE AND SCREW MECHANISM FOR SPINAL FUSION - An implant apparatus and a method for spinal fusion from oblique, lateral, ALIF, PLIF, and TLIF approach. The apparatus can include an expandable implant cage and an inserter. The cage can be inserted between endplates of upper and lower vertebra using lateral, ALIF, PLIF, and/or TLIF approaches. The cage generally includes a male and female screw configuration and a cage expansion mechanism. The inserter inserts the cage in a spinal disc space and tightens the male and female screw arrangement. Once the cage is inserted to the desired position, the male portion of the screw can be tightened until final deployment of cage has been achieved. Tightening of male and female screw arrangement operates the cage expansion mechanism to expand the cage size. The cage can be inserted through a smaller surgical opening and then expanded to a full size assembly between the vertebrae. | 07-25-2013 |
20130190878 | METHOD FOR STABILIZING SPINE - A method of stabilizing a portion of a spine includes pivoting first and second members of an expandable spinal implant relative to one another to a closed configuration in which the spinal implant has a compact profile, inserting the spinal implant in the closed configuration into the spine between first and second vertebral bodies, and pivoting and locking the first and second members crosswise to an expanded configuration while the spinal implant is within the spine. The first and second members are separate from and coupled to one another. | 07-25-2013 |
20130190879 | METHODS FOR FACET JOINT TREATMENT - A method of treating a facet joint of a patient. The facet joint includes a superior facet having superior articular face and an inferior facet having an inferior articular face. A distal end of an implant delivery cannula is extended between the superior and inferior articular faces. The implant delivery cannula has a channel extending therethrough. An implant is moved through the channel until the implant is between the superior and inferior articular faces while at least a portion of the implant is within the channel. The implant includes a first surface and a second surface. The implant delivery cannula is moved away from the superior and inferior articular faces so that the first surface is adjacent the superior articular face and the second surface is adjacent the inferior articular face. | 07-25-2013 |
20130190880 | SPINAL TISSUE DISTRACTION DEVICES - Spinal tissue distraction devices that include a member which has a pre-deployed configuration for insertion between tissue layers and a deployed configuration in which the member, by change of configuration, forms a support structure for separating and supporting layers of spinal tissue | 07-25-2013 |
20130197642 | EXPANDABLE IMPLANT FOR MAMMALIAN BONY SEGMENT STABILIZATION - Embodiments of bony region stabilization implants are described generally herein including a controllable expandable implant for placement between two bony segments including vertebrae. Other embodiments may be described and claimed. | 08-01-2013 |
20130197643 | INTERVERTEBRAL DISC PROSTHESIS AND METHOD - The present disclosure generally relates to an intervertebral disc prosthesis for partially or totally replacing an organic intervertebral disc. The disc prosthesis includes an interbody device, a face plate and a pair of locking mechanisms for achieving dual fixation in the cephalad and caudal direction. Methods according to the present disclosure achieve such dual fixation in a single fixation step. | 08-01-2013 |
20130197644 | METHOD AND SYSTEM FOR PERFORMING SPINAL SURGICAL PROCEDURES USING NATURAL ORIFICES - This disclosure describes devices and methods for performing spinal surgical procedures. In some embodiments, a method may include positioning at least a portion of at least one surgical instrument in at least one naturally occurring orifice of a human by a user. In some embodiments, a method may include accessing an interior space of the human using at least one of the surgical instruments. The method may include performing at least a portion of a spinal surgical procedure using at least one of the surgical instruments positioned in at least one of the naturally occurring orifices of the human. The method may include removing at least one of the surgical instruments from at least one of the naturally occurring orifices upon completion of at least a portion of the spinal surgical procedure. | 08-01-2013 |
20130197645 | SYSTEMS AND METHODS FOR FACET JOINT TREATMENT - A facet implant system for implanting between a superior facet and an inferior facet. The facet implant system includes a first facet implant component and a second facet implant component. The first facet implant component has a first articulating surface and a first engagement surface located opposite the first articulating surface. The first facet implant component has a leading edge and a trailing edge. The first facet implant component has teeth that extend from the first engagement surface. The teeth are arranged in a plurality of rows and wherein teeth in adjacent rows are offset from each other. The second facet implant component has a second articulating surface and a second engagement surface located opposite the second articulating surface. The second facet implant component has teeth that extend from the second engagement surface. | 08-01-2013 |
20130197646 | VERTEBRAL FACET JOINT PROSTHESIS AND METHOD OF FIXATION - Devices and methods for altering the spacing and motion at the facet joints of the vertebral column are provided. One embodiment of the invention comprises a prosthesis with surfaces configured to articulate with the facets of the facet joint. A retaining member for anchoring the prosthesis within the facet joint is optionally included. Methods for surgically and less invasively implanting the prosthesis and securing the prosthesis to the articular processes or surrounding soft tissue are also provided. | 08-01-2013 |
20130197647 | EXPANDABLE SPINAL INTERBODY AND INTRAVERTEBRAL BODY DEVICES - A device for insertion into a spinal (intervertebral or intravertebral) space is expandable from a first circumference to a second circumference through axial compression of segments of the device, particularly once the device has been properly situated within a vertebral space. The interbody/intravertebral body device is characterized by a plurality of axially stacked, individual segments that are provided on a central insertion and deployment rod. Each segment includes a central plate or body to which are pivotally attached plate or leaf structures. Pivoting of the structures provides a collapsed or unexpanded position of the first circumference and an open or expanded position of the second circumference. | 08-01-2013 |
20130197648 | IMPLANT FOR THE SPINAL COLUMN AND ACTUATING INSTRUMENT - The invention relates to an implant device, comprising an actuating instrument ( | 08-01-2013 |
20130204370 | INTERVERTEBRAL IMPLANT AND INSERTION INSTRUMENT - An intervertebral implant and associated insertion instrument. The intervertebral implant includes an instrument engagement interface including first and second channels extending along opposite sides of the implant forwardly from a trailing end wall of the implant and a positioning projection extending rearward from the trailing end wall of the implant. The insertion instrument includes a grasping mechanism for engagement with the instrument engagement interface. The grasping mechanism includes first and second jaws including grasping portions positionable in the first and second channels and an enlarged opening defined between the first and second jaws for receiving the positioning projection therein. | 08-08-2013 |
20130204371 | BONE FUSION DEVICE, SYSTEM AND METHOD - A bone fusion method, system and device for insertion between bones that are to be fused together in order to replace degenerated discs and/or bones, for example, the vertebrae of a spinal column. The bone fusion device comprises a frame and one or more extendable plates that are able to be angled, rotatable, adjustable, and have top profiles designed to correct and/or match the replaced discs/bones. The bone fusion device is able to be inserted between or replace the vertebrae by using a minimally invasive procedure wherein the dimensions and/or other characteristics of the bone fusion device are selectable based on the type of minimally invasive procedure. | 08-08-2013 |
20130204372 | Systems and Methods for Inserting a Spinal Device - An insertion device is provided for inserting a spinal device such as an intervertebral implant within a spinal joint. The implant includes at least first and second members, with the first having a convex articulation surface and the second member having a concave articulation surface. The two articulation surfaces provide an articulation interface to substantially mimic natural kinetic motion of the spine. The insertion device can be attached to at least one of the first and second members. In one form, the insertion device is configured such that the first and second members are movable relative to one another while being held to allow the members to form a compact wedge configuration. The insertion device is configured to actively pivot the implant about the implant gripping end of the device and to allow manipulation and release of the implant members in any pivoted orientation from approximately 0 to 90 degrees. | 08-08-2013 |
20130204373 | INTERBODY FUSION MATERIAL RETENTION METHODS - Methods of inserting and retaining interbody fusion material are disclosed. In some embodiments, the methods include inserting an anchored implant comprising a bone anchoring portion and an engagement portion. A method may also include inserting at least one bone fusion material within a disc space between two adjacent vertebral bodies. In some embodiments, a method includes driving the bone anchoring portion into an outer surface of at least one of the adjacent vertebral bodies and recessing the bone anchoring portion within the outer surface of the at least one adjacent vertebral body. | 08-08-2013 |
20130204374 | IN-SITU FORMED SPINAL IMPLANT - An in-situ formed spinal implant is provided, including an elongate strip having a proximal end and an opposite distal end, the strip having a plurality of spaced teeth disposed along edges of the strip. The strip has a generally arcuate or concave cross-section and is configured for being coiled into a spiral from the proximate end to the distal end for placement between adjacent spinal vertebrae, such that upon formation of the coiled shape, the teeth on a first edge engage one of the vertebrae, and teeth of an opposite, second edge engage the other of the vertebrae. | 08-08-2013 |
20130211525 | BONE FUSION DEVICE, APPARATUS AND METHOD - A bone fusion method, apparatus and device for insertion between bones that are to be fused together and/or in place of one or more of the bones, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable plates having a central rib. The bone fusion device includes one or more support channels configured to receive an insertion instrument that is then secured to the bone fusion device via a coupling mechanism. As a result, the coupled device is able to be securely positioned between vertebrae using the insertion instrument with minimal risk of slippage. | 08-15-2013 |
20130211526 | EXPANDABLE IMPLANT - An expandable implant ( | 08-15-2013 |
20130211527 | SPINAL INTERVERTEBRAL DISK REPLACEMENT MATERIAL FOR NUCLEUS PULPOSUS AND PRODUCTION METHOD THEREOF - The present invention is directed to a method for replacing a nucleus pulposus in an intervertebral disk, which method includes: providing a spinal intervertebral disk replacement molded-dry-product for nucleus pulposus including a polyvinylalcohol gel having a percentage of saturated water content of 18 to 50 wt % before irradiation and being irradiated with γ ray at an intensity of 20 to 100 kGy; and inserting the spinal intervertebral disk replacement molded-dry-product for nucleus pulposus into a prosthetic space inside an anulus fibrosus through an incision opening of the anulus fibrosus, wherein the molded-dry-product changes its shape into an almost cylindrical or almost elliptically cylindrical shape so that a hollow region comes into existence at a shape deformation rate of 150 vol % or more and at a volume swelling ratio of 135 vol % or less by water absorption. | 08-15-2013 |
20130218276 | INTERVERTEBRAL IMPLANT WITH IMPROVED FASTENING SYSTEM FOR THE FIXING PLATE - An Intervertebral implant ( | 08-22-2013 |
20130218277 | INTERBODY FUSION DEVICE - Devices for fixing interbody fusion devices to bone by helically or corkscrew-shaped elements are provided. Methods for surgically implanting an interbody fusion device using helically-shaped fixation wire are provided. | 08-22-2013 |
20130218278 | DEVICE AND METHOD FOR PERFORMING SPINAL INTERBODY FUSION - A system, device and method for performing a spinal interbody fusion is disclosed. The spinal fusion device may include a container that is placed in a prepared intervertebral cavity and then filled with a plurality of individual pieces or beads of PEEK or other biocompatible non-biologic material to provide mechanical support between the adjacent vertebra, and to distract the adjacent vertebrae and promote fusion. | 08-22-2013 |
20130218279 | PUSH-IN INTERBODY SPINAL FUSION IMPLANTS FOR USE WITH SELF-LOCKING SCREWS - An apparatus including an interbody spinal fusion implant having a leading end, a trailing end, and a length therebetween, and opposed upper and lower portions adapted to contact each of the adjacent vertebral bodies. Each of the upper and lower portions having at least one opening adapted to communicate with one each of the adjacent vertebral bodies and to communicate with one another to permit for the growth of bone from vertebral body to adjacent vertebral body through the implant. Each of the upper and lower portions has at least one screw hole passing therethrough proximate the trailing end. The apparatus further includes bone screws adapted for placement through the screw holes of the upper and lower portions and into each of the adjacent vertebral bodies adjacent the disc space to be fused and into which the implant is adapted to be positioned. At least one lock may be used to prevent the bone screws from backing out of the vertebral bodies and implant. | 08-22-2013 |
20130218280 | COMPOSITE IMPLANT - A composite interbody vertebral implant for facilitating fusion of adjacent vertebrae. The implant includes a first endplate of a porous metal material and a second endplate of a porous metal material which are configured to allow bone in-growth. The implant also includes a polymeric body positioned between and bonded to the first and second endplates such that polymeric material of the polymeric body is impregnated into pores of the first and second endplates to bond the components together. The implant may include a cavity extending through the composite implant configured to receive bone growth material to facilitate fusion between a first vertebra and a second vertebra. | 08-22-2013 |
20130226300 | Anchoring device and system for an intervertebral implant, intervertebral implant and implantation instrument - Various embodiments of intervertebral implants, anchoring devices for intervertebral implants, and implantation instrumentation are provided, along with various embodiments of methods for using one or more of the devices. Some embodiments of an anchoring device have a body comprising at least one curve and a rigid plate elongated along a longitudinal axis so that its front end enters at least one vertebra while its rear end remains in the passage of an implant. In some embodiments, the plate comprises at least one longitudinal slot separating at least one posterior portion of the plate into two branches, with at least one branch comprising at least one withdrawal stop configured to retain the device in the implant. | 08-29-2013 |
20130226301 | APPARATUS, SYSTEMS, AND METHODS FOR ACHIEVING TRANS-ILIAC LUMBAR FUSION - Assemblies of one or more implant structures make possible the achievement of diverse interventions involving the fusion and/or stabilization of lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. The representative lumbar spine interventions, which can be performed on adults or children, include, but are not limited to, lumbar interbody fusion; translaminar lumbar fusion; lumbar facet fusion; trans-iliac lumbar fusion; and the stabilization of a spondylolisthesis. | 08-29-2013 |
20130226302 | INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION - A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine. | 08-29-2013 |
20130226303 | INTERVERTEBRAL IMPLANT FOR TRANSFORAMINAL POSTERIOR LUMBAR INTERBODY FUSION PROCEDURE - An intervertebral implant for fusing vertebrae is disclosed. The implant may have a body with curved, posterior and anterior faces separated by two narrow implant ends, superior and inferior faces having a plurality of undulating surfaces for contacting vertebral endplates, and at least one depression in the anterior or posterior face for engagement by an insertion tool. The implant may also have one or more vertical through-channels extending through the implant from the superior face to the inferior face, a chamfer on the superior and inferior surfaces at one of the narrow implant ends, and/or a beveled edge along a perimeter of the superior and inferior faces. The implant configuration facilitates transforaminal insertion of the implant into a symmetric position about the midline of the spine so that a single implant provides balanced support to the spinal column. The implant may be formed of a plurality of interconnecting bodies assembled to form a single unit. An implantation kit and method are also disclosed. | 08-29-2013 |
20130231747 | INTERVERTEBRAL IMPLANT - An adjustable spinal fusion intervertebral implant is provided that can comprise upper and lower body portions that can each have proximal and distal wedge surfaces disposed at proximal and distal ends thereof. An actuator shaft disposed intermediate the upper and lower body portions can be actuated to cause proximal and distal protrusions to converge towards each other and contact the respective ones of the proximal and distal wedge surfaces. Such contact can thereby transfer the longitudinal movement of the proximal and distal protrusions against the proximal and distal wedge surfaces to cause the separation of the upper and lower body portions, thereby expanding the intervertebral implant. The upper and lower body portions can have side portions that help facilitate linear translational movement of the upper body portion relative to the lower body portion. | 09-05-2013 |
20130231748 | SYSTEM AND METHOD FOR INTERVERTEBRAL IMPLANT DELIVERY AND REMOVAL - An implant system provides motion preservation or stabilization between two spinal vertebrae. An associated instrumentation system is capable of delivering and removing the implants from either the anterior, left lateral or right lateral positions. The instrumentation system also provides instrumentation for delivering the implant end plates into the disc space, adjusting the position of the end plates in situ, compressing end plates into the vertebral bodies, interoperatively determining the height and angulation of bearings, delivering bearings together and then independently connecting them to the end plates. The system provides alternative instrumentation for revising the motion preservation disc from at least three directions. The system further provides alternative instrumentation for converting the motion preservation disc system to an interbody fusion device from at least three directions. | 09-05-2013 |
20130231749 | INTERBODY DEVICE AND PLATE FOR SPINAL STABILIZATION AND INSTRUMENTS FOR POSITIONING SAME - Systems, methods and devices for providing stabilization between first and second vertebrae are provided. More particularly, in one form a system includes an implant configured to be positioned in a disc space between the first and second vertebrae and a freestanding plate for engagement with extradiscal surfaces of the first and second vertebrae. The system also includes an insertion instrument with an engaging portion configured to releasably engage with the implant and the plate such that the implant and plate can be positioned together relative to the first and second vertebrae. In one aspect, an angular orientation of the implant relative to the plate is adjustable when the implant and the plate are engaged by the instrument. In this or another aspect, the implant and plate are held in a contiguous relationship when engaged by the instrument. However, different forms and applications are also envisioned. | 09-05-2013 |
20130238095 | Nubbed Plate - A separate nub component between the plate and an intervertebral fusion cage, wherein the nub is attached to the plate. The nub lessens the undesired pivotal movement of the plate. It is believed that when the nub fits snugly between the endplates of the adjacent vertebral bodies, it acts as a stop against the undesired pivotal movement of the plate. | 09-12-2013 |
20130238096 | 3D DESIGN AND FABRICATION SYSTEM FOR IMPLANTS - A method of designing, presenting, generating, and fabricating custom implants by obtaining a 3D image of a site to receive an implant, simulating volumetric changes of the site, generating a virtual 3D implant, and fabricating a real 3D implant. A method of implanting a custom implant in a patient, by obtaining a 3D image of a site to receive an implant, simulating volumetric changes of the site, generating a virtual 3D implant, fabricating a real 3D implant, and implanting the implant in the patient. A method of correcting disfigurement in a patient. A method of replacing a disc in a patient's back. The present invention also provides for an implant fabricated by this method. | 09-12-2013 |
20130238097 | INTERVERTEBRAL INSTRUMENT, IMPLANT, AND METHOD - An intervertebral instrument includes a shaft having distal and proximal ends. The proximal end of the shaft includes an attaching feature connected to handle. The shaft defines a pair tracks disposed along a portion of the surface thereof. The distal end includes a pair of wings. Each track guides instruments and implants along the intervertebral instrument. The implants are configured to receive bone graft or bone enhancers. The distal end of the shaft may include a removably attachable tip configured to engage the implants. The implants and the removably attachable tip form an implantable intervertebral disk. An intervertebral instrument and implant kit is also disclosed. A method of inserting intervertebral implants is also disclosed. | 09-12-2013 |
20130238098 | DEVICES FOR TREATING THE SPINE - Method and apparatus are disclosed for distracting tissue and particularly spinal tissue. The device and method may include insertion of at least one elongated member and an augmenting member to form a structure between the tissues to be distraction, such that a dimensional aspect of the structure is augmented upon movement of the augmenting structure. | 09-12-2013 |
20130245766 | Artificial Disc - A medical device includes a base ring configured to be implanted within a body of a patient. The base ring provides a contact surface to a vertebrae. Multiple layers of multiple leveling plates are configured to equalize forces applied to the contact surface of the base ring, where at least one of the layers of the leveling plates engages an inner surface of the base ring. A layer of multiple pads is included with a top surface of the pads configured to maintain a parallel plane and a bottom surface of each of the multiple pads is configured to engage a top surface of one of the layers of the leveling plates. A cover is configured to enclose the multiple layers of the leveling plates, the layer of the multiple pads and the base ring. The cover provides a contact surface to a vertebrae. | 09-19-2013 |
20130245767 | INTERBODY VERTEBRAL PROSTHETIC AND ORTHOPEDIC FUSION DEVICE WITH SELF-DEPLOYING ANCHORS - A prosthesis includes: a body including a first major surface for engaging an endplate of a first vertebral bone of a spine, a second major surface for engaging an endplate of an adjacent, second vertebral bone of the spine; at least one aperture extending from within the body and opening at the first major surface; at least one anchoring element disposed within the aperture and including a shaft having proximal and distal ends; and a drive mechanism engaging the proximal end of the at least one anchoring element and operating to push the at least one anchoring element out through the at least one aperture and into the first vertebral bone, without rotating the at least one anchoring element about an axis thereof. | 09-19-2013 |
20130245768 | Apparatus and Methods for Inserting an Implant - A system and method for inserting an implant into a cavity is disclosed, which may include advancing an implant insertion instrument toward a pair of adjacent bodies, the implant insertion instrument having two opposed ramps, wherein each ramp has a distal tip and wherein the longitudinal axes of the opposed ramps are separated by an initial angle; inserting the distal tips of the opposed ramps between the adjacent bodies, thereby creating an initial interbody cavity between the adjacent bodies; expanding the interbody cavity while maintaining the initial angle between the longitudinal axes of the opposed ramps; placing the implant in a final location between the adjacent bodies; transferring a compressive force urging the adjacent bodies together from the opposed ramps to the implant; and extracting the implant insertion instrument from the interbody cavity. | 09-19-2013 |
20130245769 | INTERBODY DEVICE INSERTION SYSTEMS AND METHODS - Provided is a system for implanting an interbody device into a disc space located between a first and second vertebra includes a guide frame including a guide member having an opening. The system further includes an implant trial including an elongated body and a base plate coupled to the elongated body. The elongated body of the implant trial is releasably coupled to the guide member of the guide frame during use such that the opening guides longitudinal movement of the implant trial relative to the guide frame. The system still further includes a dilator operatively coupled to the elongated body during use for distracting the disc space. The system still further includes an insertion instrument including an elongated body and an insertion member coupled to the elongated body. The elongated body of the insertion instrument is releasably coupled to the guide member of the guide frame during use such that the opening guides longitudinal movement of the insertion instrument relative to the guide frame. The insertion member is releasably coupled to at least a portion of the interbody device during use. | 09-19-2013 |
20130245770 | MODULAR SEGMENTED DISC NUCLEUS IMPLANT - A segmented disc nucleus replacement prosthesis and system for its implantation wherein the segments are made of a compliant, homogeneous material throughout. The prosthesis comprises a plurality of modular segments that mate together in a rail-and-slot arrangement. The rails and slots are configured to interlock and hold together under load despite being formed of compliant materials. In one embodiment, insertion tools and stabilizers are utilized for manipulation of the modular segments, the insertion tools and stabilizers being designed to accommodate for handling the compliant modular segments. | 09-19-2013 |
20130245771 | METHOD FOR LOADING A SPINAL IMPLANT - A method for loading a spinal implant with fusion promoting substances into an implantation space adjacent vertebral bodies of the spine. | 09-19-2013 |
20130253649 | IMPLANTABLE FACET FUSION DEVICES - Implantable devices for the treatment of degenerative facet joint disease, and more specifically to implantable devices for the immobilization or fusion of degenerated facet joints, particularly of the cervical spine are provided. The devices may be easily inserted into the facet joint, promoting fusion and initiating a natural healing response. Also provided are methods of treating degeneration of a facet joint using these implantable devices. | 09-26-2013 |
20130253650 | Adjustable Distraction Cage With Linked Locking Mechanisms - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. The implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system having a plurality of linked locking elements that work in unison to lock the implant in an extended configuration. Bone engaging anchors also may be provided to ensure secure positioning. | 09-26-2013 |
20130253651 | Instrumentation and Methods for Inserting an Intervertebral Disc Prosthesis - Embodiments of instrumentation and methods are provided for the insertion of intervertebral disc prosthesis. The instrumentation of the embodiments comprises a guide comprising at least two lateral faces, at least one upper plate, at least one lower plate, at least one retainer, a cage defining an insertion axis for the prosthesis, and an angle adjuster adapted to adjust an angle formed by the insertion axis and an antero-posterior sagittal axis; and at least one separator sized to maintain a gap between the upper vertebra and the lower vertebra. Methods for implanting a prosthesis using the disclosed instrumentation comprise implanting a pin in the median sagittal axis of a vertebrae; measuring the dimensions of the intervertebral space; choosing the prosthesis; choosing the guide; adjusting the angle adjuster; positioning the guide adjacent to the intervertebral space; inserting the prosthesis into the guide; and inserting the prosthesis into the intervertebral space. | 09-26-2013 |
20130253652 | SPINAL IMPLANT - The present application is directed to interbody spinal fusion implants having a structural configuration that provides for the maintaining and creating of the normal anatomic angular relationship of two adjacent vertebrae of the spine to maintain and create spinal lordosis. The spinal fusion implants are sized to fit within the disc space created by the removal of disc material between two adjacent vertebrae and conform wholly or in part to the disc space created. The spinal fusion implants of the present invention have upper and lower surfaces that form a support structure for bearing against the end plates of the adjacent vertebrae. The upper and lower surfaces are disposed in a converging angular relationship to each other such that the implants have an overall “wedged-shape” in an elevational side view. The angular relationship of the upper and lower surfaces places and maintains the vertebrae adjacent to those surfaces in an angular relationship to each other, creating and maintaining the desired lordosis. | 09-26-2013 |
20130253653 | EXPANDABLE MEDICAL IMPLANT - An implant with an adjustable height for spacing apart skeletal structures. The implant includes a base with a hollow interior. Collars include threaded inner surfaces and are positioned within the hollow interior of the base and are rotatable relative to the base. Threaded posts extend outward from the base and are threaded into the collars. Rotation of the collars adjusts an amount that the threaded posts extend outward from the base. An overall height of the implant can be adjusted to accommodate the size of the space and for the posts to contact against and space apart the skeletal structures. | 09-26-2013 |
20130253654 | APPARATUS, SYSTEMS, AND METHODS FOR ACHIEVING LUMBAR FACET FUSION - Assemblies of one or more implant structures make possible the achievement of diverse interventions involving the fusion and/or stabilization of lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. The representative lumbar spine interventions, which can be performed on adults or children, include, but are not limited to, lumbar interbody fusion; translaminar lumbar fusion; lumbar facet fusion; trans-iliac lumbar fusion; and the stabilization of a spondylolisthesis. | 09-26-2013 |
20130253655 | FLANGED INTERBODY FUSION DEVICE WITH FASTENER INSERT AND RETAINING RING - Methods and devices are disclosed for treating the vertebral column. An integrated fixation plate and spacer having a retaining structure within the screw holes of the fixation plate to resist backout of screws attaching the fixation plate to the bone is provided. A movable joint may be provided between the fixation plate and spacer. In some embodiments, a screw hole insert is also provided to resist shear forces acting between the screw and fixation plate. In some embodiments, an integrated fixation plate and spacer system is provided, comprising two or more integrated fixation plate and spacer implants, wherein the fixation plates of each implant has a complementary configuration to allow attachment of the implants at adjacent intervertebral spaces. Alternative fixation systems are also contemplated. | 09-26-2013 |
20130261746 | IMPLANTABLE INTER-VERTEBRAL DISK HAVING UPPER AND LOWER LAYERS OF A METAL EXHIBITING BONE FUSING CHARACTERISTICS AND WHICH SANDWICH THEREBETWEEN A SOFT PLASTIC CUSHIONING DISC FOR PROVIDING DYNAMIC PROPERTIES MIMICKING THAT OF A NATURAL INTER-VERTEBRAL DISC - The present invention discloses an inter-vertebral and implantable disk substituting for a fibro cartilage and including first and second hard outer layers between which is sandwiched a softer inner cushioning layer. Each of the outer layers includes an exterior texturized pattern for promoting bone in-growth subsequent to implantation. Each of the outer layers may also include an exteriorly integrally formed and angled mounting portion including an interiorly positioned aperture. The mounting portions are adapted to being applied against reconditioned side exterior locations of first and second succeeding intervertebral bodies and mounted to the bodies with a screw or clip. | 10-03-2013 |
20130261747 | ALIF Spinal Implant - Spinal fusion appliances, delivery devices and methods of using the same are provided. In various embodiments, the appliances include a housing and a flexible tape with opposite ends that are optionally adjustable using an actuator within the housing. | 10-03-2013 |
20130261748 | Hydraulically Actuated Expanding Spine Cage with Extendable Locking Anchor - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one extendable support element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to expand the implant and effectively distract the disc space, stabilize the motion segments and eliminate pathologic spine motion. Angular deformities can also be corrected, and natural curvatures restored. Preferably, the implant has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it typically passes to be deployed within the intervertebral space. The implant is provided with a locking system preferably having a plurality of locking elements to lock the implant in an extended configuration. Bone engaging anchors also may be provided to ensure secure positioning | 10-03-2013 |
20130261749 | Advanced Intra-spinal Decompression Implant - A new intra-spinal decompression implant is introduced. One example for our presentation is a device with 2 or 3 pieces, with each piece with 2 clamps, symmetrically located on each side of each piece. The main piece has at least 2 screws which engage into 2 or more grooves in the side piece, to get attached to the side piece. The 3 | 10-03-2013 |
20130268075 | INTERBODY BONE IMPLANT DEVICE - An expandable implant device for implantation at a surgical site is provided. The implant device is made of cortical bone and includes a top and bottom piece, both pieces configured to couple with each other. The top piece has superior and inferior surfaces, and at least a tapered leading end configured to distract open an intervertebral disc space so that the top piece can be slidably inserted over the bottom piece until a desired overlap is achieved. A composite interbody bone implant device is also provided including a body skeleton having a non-bone composition, such as a polymer, formed into a shape and including one or more cavities which can be filled with other material, for example, allograft material. A method of placing an expandable device into a disc space is also provided. | 10-10-2013 |
20130268076 | INTERBODY SPACER - An intervertebral or spinal implant having a spacer, a cage, and a locking mechanism, where the locking mechanism may be configured to facilitate a connection between the spacer and the cage. In some cases, the spacer may include a distal end wall, a proximal end wall, a first lateral wall, and a second lateral wall, where the locking mechanism may be situated at the proximal end wall adjacent a receiving opening in the proximal end wall. The implant may have one or more spikes extending from a top and/or a bottom of the spacer to facilitate stabilizing the implant between vertebrae after insertion of the implant in the spinal column | 10-10-2013 |
20130268077 | ARTIFICIAL DISK FOR TRANSFORAMINAL LUMBAR INTERBODY FUSION (TLIF) AND INSERTION ASSEMBLY THEREOF - An assembly for inserting an artificial disk is provided. The assembly includes an artificial disk, which includes a body which has a predetermined thickness to be inserted between vertebrae, and includes an incision recess incised on one side of the body in a sideways direction and a penetrating hole formed on the side on which the incision recess is formed in a vertical thickness direction, and a connecting unit which is inserted into the penetrating hole and serves as a shaft of a rotational movement of the body, and includes a connecting hole formed on a side surface of the connecting unit, and a guide protrusion, a first insertion tool which includes a connecting rod, and a handle, and a second insertion tool which includes a support rod, an insertion end, a support end, and a handle. | 10-10-2013 |
20130268078 | LOAD SHARING INTERBODY FUSION DEVICE - The present invention is a load sharing intervertebral fusion device that allows for reconstruction of the proper disc space between two vertebral bodies while allowing bone material packed within the fusion device to share loading and stress for enhanced healing. The device includes two sections, an upper and lower section, separated by a bioresorbable spacer. The upper section slides relative to the lower section with the bioresorbable material being placed in load therebetween. The upper section and lower sections are effectively held apart, creating an initial fixed spacer for implantation of the intervertebral disc space. Openings in the implant construct allow for bone graft and bone substitutes to be placed within the implant to allow for fusion through the implant construct. After implantation and over a period of time based on bone resorbtion and remodeling, the spacer resorbs, thereby maintaining load on the bone graft material. | 10-10-2013 |
20130268079 | Stabilizer For Assisting Stabilization Of A Spinal Implant - A stabilizer for receiving an end of a spinal implant. The stabilizer includes a gap that creates a socket for receiving the spinal implant. Bodies of the stabilizer are manufactured in a plurality of shapes. A cover is capable of blocking egress of the spinal implant from the socket. | 10-10-2013 |
20130268080 | INTERBODY SPINAL IMPLANTS WITH EXTRAVERTEBRAL SUPPORT PLATES - An implant assembly for a spinal column includes at least a plate and an interbody implant attached to the plate. The interbody implant is positioned in the spinal disc space and the plate extends extradiscally for attachment to the first and second vertebrae outside the disc space. The assembly may include recesses in the bottom surface of the plate, spacers, and spacing portions extending from the bottom surface of the plate that allow the plate to be secured to the interbody implant when the trailing end of the interbody implant is positioned in a recessed, flush or overhanging position relative to the laterally facing surfaces of the vertebrae. | 10-10-2013 |
20130274881 | DEVICE AND METHOD FOR SPINAL FUSION SURGERY - A spinal fixation and fusion device and method for its use. The device includes a minimum of one stabilization member integral within at least one wall of the device. The stabilization member is typically a pin which when the device is in a final position between the vertebrae stabilization member which is typically a pin is inserted into vertebrae. Specially designed pliers like device can be used for insertion of the pins. A locking mechanism provides a means for securing the pin in place after its insertion. | 10-17-2013 |
20130274882 | INTERVERTEBRAL SUPPORT - An intervertebral support device to impose an anatomic distance between two adjacent vertebral bodies having a pair of vertebral support elements for introduction between the edge portions of the rear half of the vertebrae, at respective substantially symmetrical positions of the instantaneous rotation axis of the natural relative flexion-extension movement of the two adjacent vertebrae. The device assists stabilizing and/or restoring the correct position of the rotation axis, which characterizes the first stage of the degenerative breakdown, without significantly limiting the relative movement of the two vertebrae. The support elements have preferably a constraint means that constrains them to the edge portions of the vertebral bodies, in particular to resist the reaction force on the intervertebral disc. | 10-17-2013 |
20130274883 | BONE FUSION DEVICE - A bone fusion device for insertion between bones that are to be fused together, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises at least one extendable tab and one or more tab extension assemblies. Each tab extension assembly is able to be adjusted in order to individually control the extension or contraction of a side of the tab thereby enabling adjustment of the height and/or angle of the tab with respect to the body of the bone fusion device. Each tab extension assembly is able to be individually adjusted such that the side controlled by each assembly is raised or lowered until the desired tab angle is achieved. The tab is advantageously positioned and angled to correspond to the vertebrae to help brace the device until the bone has fused. | 10-17-2013 |
20130274884 | VERTEBRAL BODY SPACER - A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes needle parts formed into a needle shape having both end portions and a porous part having through holes passing through the porous part in a thickness direction thereof, and a porosity of at least a surface of the porous part is larger than a porosity of each of the needle parts. The needle parts are inserted into the through holes so that the both end portions are projected from the contact surfaces. | 10-17-2013 |
20130274885 | VERTEBRAL BODY SPACER - A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes a frame-shaped dense part and a porous part provided inside the dense part, and a porosity of at least a surface of the porous part is larger than a porosity of the dense part. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space). | 10-17-2013 |
20130274886 | VERTEBRAL BODY SPACER - A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes dense sheets having a dense part on at least a surface thereof and porous sheets having a porous part on at least a surface thereof. The porous part has a larger porosity than a porosity of the dense part. Each of the porous sheets is sandwiched between the pair of dense sheets. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space). | 10-17-2013 |
20130274887 | Stackable Spinal Support System - A system for distracting two tissue surfaces away from one another within a spine, involving a plurality of biocompatible and generally rectangular spinal inserts configured to be successively stacked within a spine to distract the two tissues surfaces away from one another. Each spinal insert has a generally planar top surface having a leading edge and a trailing edge, a generally planar bottom surface disposed generally parallel to the top surface and including a leading edge and a trailing edge, and a beveled surface extending from at least one of the leading edge of the planar top surface and the leading edge of the planar bottom surface. The beveled surface is configured to allow a currently inserted spinal insert to be positioned at least one of above and below a previously introduced spinal insert to distract the two tissue surfaces. | 10-17-2013 |
20130282122 | INTERBODY SPINAL IMPLANT HAVING A ROUGHENED SURFACE TOPOGRAPHY ON ONE OR MORE INTERNAL SURFACES - Interbody spinal implants comprise internal sidewalls having a roughened surface topography. The internal sidewalls may be those that surround a substantially hollow implant center, including the sidewalls of a vertical aperture and sidewalls of a transverse aperture. The roughened surface topography comprises macro, micro, and nano features that comprise an amplitude, a peak to valley height, and spacing. | 10-24-2013 |
20130282123 | TWO-COMPONENT ARTIFICIAL DISC REPLACEMENTS - Artificial disc replacements (ADRs) and total disc replacements (TDRs) are based upon two, directly articulating components, resulting in a restricted-motion system that better approximates more normal spinal flexion, extension, and lateral bending. Both components are preferably made of a hard material and are highly polished to reduce friction. | 10-24-2013 |
20130282124 | INTERVERTEBRAL DISC PROSTHESIS INSERTION ASSEMBLIES - In various embodiments, an intervertebral disc prosthesis is provided. The prosthesis may be provided with an insertion adapter, such as a head, holder, or other carrier of the prosthesis. The insertion adapter may be configured to retain the prosthesis and to engage an insertion tool body. In various embodiments, the prosthesis and the insertion holder are provided in a sterile pack, with the prosthesis components and the insertion holder sterilized and packaged in one or more types or layers of sterile packaging. In various other embodiments, the prosthesis and an insertion tool are provided in a sterile pack, with the prosthesis components and the insertion tool sterilized and packaged in one or more types or layers of sterile packaging. | 10-24-2013 |
20130282125 | INTERBODY FUSION IMPLANT AND RELATED METHODS - An implant for performing interbody fusion within a human spine, inserters for such an implant, and associated methodology. The implant is preferably formed in situ from at least two separate but lockable members (a base member and a closure member). The base member may be implanted into an interbody space first, after which the end plates may be finally prepared and the base member packed with fusion promoting substances before engaging and locking the closure member. The closure member provides structural support for the adjacent vertebral bodies (along with the base member) and may be selected after implantation of the base member having a specific length, width, height, taper, etc . . . to ensure an optimal sizing of the implant for desired restoration of disc height, coronal taper, sagittal taper, etc . . . | 10-24-2013 |
20130282126 | EXPANDABLE INTERBODY FUSION IMPLANT - Disclosed is an expandable interbody fusion implant that is configured to have an initial configuration having a first footprint width suitable for being inserted into an intervertebral space and an expanded configuration having a second footprint width that is greater than the first footprint width. The implant may include a first body member and a second body member that is pivotally coupled to the first body member. The implant may be expanded using an inflatable balloon. The implant may be expanded bilaterally such that both body members rotate relative to the other or the implant may be expanded unilaterally such that one of the body members rotates relative to the other. | 10-24-2013 |
20130282127 | SPINAL IMPLANT SYSTEM AND METHOD - Embodiments of the present invention provide a spinal implant system and method. One embodiment of the present invention includes a spinal implant comprising, a first implant plate, a second implant plate, a spacer member coupled between the first implant plate and the second implant plate and an end plate coupled to the spacer member, the end plate configured to couple to adjacent vertebrae. The implant plates can include spacer channels that receive the spacer member and insertion tool channels that receive an insertion tool. Preferably, on each implant plate, the spacer channel is near the center of the plate and the insertion tool channels are on either side of the spacer channel. The spacer channels and insertion tool channels can be dovetailed or otherwise shaped to capture a portion of the spacer member and insertion tool. Mating connectors can prevent removal of the spacer member from the spacer channels. | 10-24-2013 |
20130289726 | Total Disc Replacement System and Related Methods - A total disc replacement (TDR) system for lateral insertion into the spine, involving a first anchor plate having a first surface for engaging a first vertebra and a second surface including a cutout region, a second anchor plate having a first surface for engaging a second vertebra and a second surface including a cutout region, at least one pair of intradiscal inserts, each insert having a first surface for engaging with said anchor plates and a second surface for engaging with an intradiscal element, and an intradiscal element including a first articular surface having a generally arcuate cross-section for articulating with said first intradiscal insert, and a second generally planar surface for interacting with a second intradiscal insert. | 10-31-2013 |
20130297028 | LOCKING BONE PLATE - An implant can include: a body having one or more apertures; and one or more tabs associated with the one or more apertures, each tab being movable with respect to the body and one of the apertures. In one aspect, the implant can include: a first position with a first tab in a relaxed state adjacent to a first aperture; and a second position with the first tab a strained state with a portion of the first tab bent away from or toward the first aperture. In one aspect, the implant can include: a first position with a first tab in a relaxed state between at least a first aperture and a second aperture; and a second position with the first tab a strained state with a portion of the first tab bent away from the first aperture and toward the second aperture. | 11-07-2013 |
20130297029 | INTERBODY FUSION DEVICE WITH SEPARABLE RETENTION COMPONENT FOR LATERAL APPROACH AND ASSOCIATED METHODS - The claimed invention is directed to a spinal fusion device comprising a load-bearing interbody component configured to fit between two adjacent vertebrae, wherein the interbody component comprises one or more openings to allow access to the vertebrae, a retention component that is configured to at least partially close the one or more openings of the interbody component and one or more fasteners that are coupled to the retention component to compress the two adjacent vertebrae to the interbody component, and methods of using a spinal fusion device. | 11-07-2013 |
20130304212 | NUCLEUS PULPOSUS SPINAL IMPLANT AND METHOD OF USING THE SAME - An implant configured to completely replace degenerated or damaged nucleus pulposus in an intervertebral disc. The implant comprises a silicone elastomer shell that is implanted into a void within the annulus fibrosus created by at least partial removal of the nucleus pulposus therefrom. A colloidal suspension of platinum cured silicone-based polymer and carbon nanotubes is injected into the elastomer shell. The colloidal suspension is irradiated with electromagnetic radiation, particularly infrared or near infrared light, to the point that it hardens. The hardened implant becomes a mechanical replacement for the original nucleus pulposus in the intervertebral disc. | 11-14-2013 |
20130304213 | LATERALLY EXPANDABLE INTERBODY FUSION CAGE - An fusion cage having a longitudinal element and two planar bendable expansion arms slideably captured in a track on opposing sides, the expansion arms expandable from a pre-implantation position adjacent to the longitudinal element to a deployed position bounding an area around the longitudinal element in which bone graft material may be packed and retained after implantation into the intervertebral space. The longitudinal element is eliminated in favor of front and back lateral tracks in which the opposing ends of the expansion arms are slideably received so as to allow expansion of the bounded areas in both a lateral and anterior-posterior direction by sliding within the channels. Expansion of the area within the bendable members may be accomplished by rotation of leaves to which the bendable members are rigidly and slideably affixed. | 11-14-2013 |
20130304214 | Laterally Deflectable Implant - A laterally deflectable asymmetric implant for implanting into a body may comprise a deflectable piece having distal and proximal ends and assuming a straightened insertion state. The backbone may abut or interconnect with said deflectable piece at the distal end of the deflectable piece. In a fully deflected state the implant may define an asymmetric shape, e.g. a D-shaped loop, defining an at least partially enclosed volume. The deflectable piece may comprise a sequence of segments interconnected at effective hinges. Longitudinal pressure applied to the proximal end of the deflectable piece (or applied to the backbone in an opposite direction) may cause relative longitudinal movement between the backbone and the proximal end of the deflectable piece and may generate outward horizontal movement of the deflectable piece away from the backbone. In one embodiment, the implant is implanted using lateral access into an anterior zone of a vertebra and deployed posteriorly. | 11-14-2013 |
20130304215 | SURGICAL POSITIONING ASSEMBLY AND RELATED SYSTEMS AND METHODS - Systems and methods for placing spinal implants within an intervertebral region. In some embodiments, a surgical positioning tool may be provided that allows for access to an implantation site to be gained along a first axis, and then allows a spinal implant to be repositioned from the first axis to a second axis at an angle with respect to the first axis. The spinal implant may, in some embodiments, comprise a recess comprising two adjacent bars configured to engage elements of the surgical positioning tool to allow for the aforementioned repositioning. | 11-14-2013 |
20130310939 | SPINE SURGERY METHOD AND IMPLANT - An implant has a first contact surface to contact a first vertebral body endplate and a second contact surface to contact a second vertebral body endplate adjacent the first vertebral body. The implant is deployable, when positioned within an intradiscal space between the first and second vertebral bodies, from a first non-expanded condition where the first contact surface has a first effective footprint area A | 11-21-2013 |
20130310940 | Expandable Osteosynthesis Cage - An expandable osteosynthesis implant has branches ( | 11-21-2013 |
20130310941 | Expandable Osteosynthesis Cage - An expandable osteosynthesis implant has branches ( | 11-21-2013 |
20130310942 | DEVICES AND METHODS FOR MINIMALLY INVASIVE SPINAL STABILIZATION AND INSTRUMENTATION - Described herein are devices and methods for fusion of adjacent vertebral bones of a subject using distractor platforms for the exposure and resection of at least a portion of the facet joint, such as in performance of a TLIF procedure. In one embodiment, the distractor platform contains at least a first receptacle and/or extension that are adapted to couple to the implanted screw/bone marker and the method includes advancing a first threaded segment of a first bone fastener assembly into the identified first pedicle of the first vertebral bone, wherein the first bone fastener assembly further comprises a second segment that is adapted to couple with a distraction platform adapted to concurrently attach onto at least one tissue retention blade and is adapted to retain the tissue retention blade in the displaced position. | 11-21-2013 |
20130310943 | CERVICAL DISTRACTION/IMPLANT DELIVERY DEVICE - Systems for distracting a facet joint and positioning a permanent implant in the joint are disclosed. The implants serve to retain a distracted position of the facet joint which is achieved with positioning of the leading end of a distraction tool in the facet joint and then distracting or enlarging the joint a desired amount. The permanent implant could be part of the distraction mechanism which can be separated from the delivery tool once the joint has been distracted or an auxiliary implant may be positioned before the distraction mechanism is removed from the distracted joint. The permanent implants can be solid, mechanical devices that may have fixation means thereon to hold them in place or injected fluids such as hydrogels or fluids confined within balloons. | 11-21-2013 |
20130317617 | UNILATERALLY PLACED EXPANSILE SPINAL PROSTHESIS - An expandable spinal prosthesis is provided for insertion unilaterally into an annulotomy hole created laterally in a spinal disc between two abutting vertebrae. The prosthesis is composed of an elongated rod having first threading at one end and second threading at its other end. A first member is threaded on the threading at one end of the rod. A second member is threaded on the threading at the other end of the rod. The members are disengageably engaged for rotation together. The first member has a plurality of resilient bands extending longitudinally between the two members, which are dependent on the spacing between the two members. The first member and the elongated rod define engagements for coupling of drivers to relatively rotate the members and rod in one sense so that the two members will move toward each other to cause the resilient bands to bend outwardly to expand the prosthesis and in an opposite sense so that the two members will move apart to cause the resilient bands to become unbent and collapse the prosthesis. A method for implanting the prosthesis from one side only and a method for explanting the prosthesis from one side only. | 11-28-2013 |
20130317618 | SYSTEM FOR STABILIZING A PORTION OF THE SPINE - A system for stabilizing a portion of the spine comprising an elongate plate attached to one or more vertebrae by a number of bone anchors, with the system including one or more features that provide visualization of an implant disposed within a vertebral space and/or the interface between the implant and the adjacent vertebral tissue. A holding instrument is included that is engageable to the plate for positioning the plate adjacent the spinal column. | 11-28-2013 |
20130325128 | Expandable Interbody Spacer - The present invention relates to devices and methods for treating one or more damaged, diseased, or traumatized portions of the spine, including intervertebral discs, to reduce or eliminate associated back pain. The present invention relates to an expandable interbody spacer. | 12-05-2013 |
20130325129 | TEXTURED IMPLANT DEVICE - A textured bone graft or implant device includes a spatial member having a number of three dimensional units coupled together, the three dimensional units each include a number of bars coupled together to form a number of openings and to form a porous structure for the spatial member and for allowing the bone materials of the user to be grown and filled into the openings of the textured implant device, the spatial member includes a chamber for engaging with a casing, and the casing includes a compartment for engaging with an inner core, the casing and the inner core each include a number of bars for forming a resilient or flexible or compressible or deformable structure. | 12-05-2013 |
20130338775 | MULTI-WALLED PLACEHOLDER - A placeholder for vertebrae or vertebral discs includes a tubular body, which along its jacket surface has a plurality of breakthroughs or openings for over-growth with adjacent tissue. The placeholder includes at least a second tubular body provided with a plurality of breakthroughs and openings at least partially inside the first tubular body. The first and second tubular bodies can have different cross-sectional shapes, can be are arranged inside one another by press fit or force fit or can be connected to each other via connecting pins and arranged side by side to one another in the first body. | 12-19-2013 |
20130338776 | DEPLOYABLE INTERVERTEBRAL PROSTHESIS - A device, system, and method for an expandable intervertebral prosthesis usable for spinal fixation. The prosthesis device generally includes at least two anchors that are a extendable from the device in opposing directions when a deployment pin is inserted into the device to displace the anchors. Implantation of the device may be facilitated by an implantation guide that is engageable with the device for device placement and accurate insertion of the pin into the device to extend the anchors. | 12-19-2013 |
20130338777 | INTERBODY SPINAL IMPLANT HAVNG A ROUGHENED SURFACE TOPOGRAPHY - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture. The single vertical aperture extends from the top surface to the bottom surface, has a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and defines a transverse rim. The body may be non-metallic and may form one component of a composite implant; the other component is a metal plate disposed on at least one of the top and bottom surfaces of the body. | 12-19-2013 |
20130338778 | SPINAL DISC ANNULUS CLOSURE DEVICE - An implant ( | 12-19-2013 |
20130345813 | Dual Anchor Lateral Vertebral Body Fixation Plates - Plate-based fixation system having dual anchors. The plate can include cams. The plates can have a banana-shape. The plates can be adapted to receive a polyaxial bone screw. The plates can be jointed so as to be height-adjustable. | 12-26-2013 |
20130345814 | Modular Anchor Bone Fusion Cage - A modular anchor bone fusion cage is provided. The cage includes a spacer configured to fit into a space between the faces of two bones that are to be fused together. A fusion plate having at least a main body portion is coupled to the spacer. Fasteners extend through the fusion plate to engage the bone. At least some of the fasteners also extend through the spacer to engage the opposed faces of the bone. A cover plate is coupled to the fusion plate to inhibit the fasteners from backing out prior to fusion of the bones. | 12-26-2013 |
20130345815 | BONE GRAFTS - Spinal spacers for fusion of a motion segment. A spinal spacer includes a body, which may be formed of a bone composition. The body includes a first end, an opposite second end, a superior face defining a superior vertebral engaging surface and an inferior face defining an inferior vertebral engaging surface. At least one of the vertebral engaging surfaces defines a set of migration resistance grooves. Each of the grooves includes a first face defining an angle of no more than about 90 degrees relative to the engaging surface and a second opposing sloped face. | 12-26-2013 |
20130345816 | ARTIFICIAL INTERVERTEBRAL DISC - The present invention is directed to the field of prosthetic devices. More particularly, one embodiment of the present invention is directed to an artificial disc that can be used as a replacement for an intervertebral disc (e.g., a human intervertebral lumbar disc, a human intervertebral cervical disc and/or a human intervertebral thoracic disc). | 12-26-2013 |
20140005786 | METHODS OF REPAIRING HERNIATED SEGMENTS IN THE DISC | 01-02-2014 |
20140005787 | INTERVERTEBRAL FUSION IMPLANT | 01-02-2014 |
20140012379 | SYSTEMS, DEVICES AND APPARATUSES FOR BONY FIXATION AND DISK REPAIR AND REPLACEMENT METHODS RELATED THERETO - The present invention features new methods, apparatuses and devices for fixing adjacent bone segments, segments of a bony structure and adjacent vertebrate of a spine. The methods, apparatuses and devices utilize an apparatus for forming a channel in a surface of the bone or bony structure segments or adjacent vertebra or a channel submerged within the bone or bony structure segments or adjacent vertebra. In more particular embodiments such apparatuses and methods including forming an arcuate channel and which channel can receive therein a curved rod or implant member. Also featured are systems, apparatuses and methods for removably suspending a spacer in the intervertebral space while forming such a channel as well as systems, apparatuses and methods for use of dynamized implant members. | 01-09-2014 |
20140012380 | LATERAL INSERTION SPINAL IMPLANT - The present disclosure relates to a spinal implant. The spinal implant may be used for lateral insertion into an intervertebral disc space. For example, the spinal implant may include a spacer body to which a plate is fixed. The intervertebral spacer body may include a pair of opposite sides having a pyramid-shaped teeth to fuse to bone. The plate defines at least one upper and lower borehole that each receives a screw. Each screw attaches the plate to a vertebral body between which the intervertebral spacer body is inserted. The boreholes may include locking threads that are adapted to lock the screws into place by engaging complementary locking threads of head of the screw. | 01-09-2014 |
20140012381 | JOINT IMPLANT AND A SURGICAL METHOD ASSOCIATED THEREWITH - An implant able to be inserted into a surgically prepared joint space includes a body having a central cavity extending longitudinally through the body and at least one movable barb, and a cap for location within the central cavity at an end of the body. The location of the cap within the central cavity of the body causes outward movement of the barb. | 01-09-2014 |
20140012382 | SHOCK ABSORBING, TOTAL DISC REPLACEMENT PROSTHETIC - Devices for implantation within a Functional Spinal Unit (FSU) that can provide up to six independent degrees of freedom from a neutral position are provided. Such devices can comprise two endplates, a nucleus, a sled, and an optional, elastic boot attached to the endplates and enclosing the contents of the device, namely, the nucleus. The sled on one end of the nucleus can be moveably attached to one of the endplates and a spherical cap affixed to the opposite end of the nucleus can be operably engaged with the other endplate. The endplates can provide outer surface features that allow fusion of the plates to the superior and inferior vertebrae of a FSU and can prevent expulsion of the device immediately after implanting. The nucleus can have compliant elements or can be rigid. It can comprise a tripartite construction of three elements of possibly different materials that can be fitted together, or it can be a single unified element or can be a material with graded mechanical moduli axially and radially. The endplates and nucleus can maintain connection through the sled and the extension of the central core. Additionally, one or more specialized rotational joint stops can be utilized to provide profile-closure of the spherical joint between the top endplate and the spherical cap. | 01-09-2014 |
20140012383 | EXPANDABLE INTERVERTEBRAL IMPLANTS AND INSTRUMENTS - Systems for interbody fusion of adjacent bone portions may include an expanding implant and related instruments. An expanding implant may be formed as a linkage which is movable between a compact configuration and an expanded configuration. A shaft of the implant may increase and decrease in length to move between the compact and expanded configurations, and an implant width perpendicular to the length may be increased in the expanded configuration. The implant width may increase more in a first direction than a second direction opposite the first direction. An inserter instrument may releasably grasp the spacer and transform the implant between the compact and expanded configurations. | 01-09-2014 |
20140012384 | INTERBODY FUSION DEVICE AND ASSOCIATED METHODS - A method and apparatus is provided for use in spinal fusion procedures. An interbody fusion device has a first piece that is a load bearing device designed to bear the axial loading from the end plates of adjacent vertebrae. A second piece of the interbody fusion device is a retention component whose primary functions are to prevent migration of the load bearing device and loss or migration of graft material from within the load bearing device. A secondary function of the retention component is to address fixation of fasteners when the surgeon is confronted with a challenging access to adequate boney structures due to excessive curvature/angulation of the vertebrae column, minimal invasive surgery techniques, danger to surrounding vascular or neurological tissues, poor bone quality, or similar surgical complications. A tertiary function of the retention component is to provide better alignment and stabilization of misaligned vertebrae when spondylolisthesis is a significant factor. One or more fasteners secure the retention component to each of the vertebrae above and below the load bearing device. The fasteners cause the end plates of the vertebrae to compress the end plates to the load bearing device to facilitate proper fusion. | 01-09-2014 |
20140012385 | Intervertebral Spacer - An intervertebral insert member and an instrument for positioning the insert in a space between vertebral bodies in vivo. The insert member is advanced by the instrument into a prepared site located between adjacent vertebral bodies. Upon reaching the appropriate insertion point the sleeve is retracted and a pivotal motion is imparted to the insert. The insert member is pivotally attached to the distal end of the delivery instrument such that it can be articulated about a pivot point that is located on the insert member until it is properly positioned. The positioning instrument is then released from the insert member and removed from the space between the vertebral bodies. | 01-09-2014 |
20140012386 | DELIVERY APPARATUS FOR USE WITH IMPLANTABLE MEDICAL DEVICES - An apparatus for delivering an intravertebral implant into a vertebral body of a vertebra. The apparatus includes a cannula operatively connected to a housing wherein the cannula is adapted for insertion into the vertebral body. The housing includes a drive system for advancing a guide member through the cannula, out of a distal end opening of the cannula and into the vertebral body. Further, the drive system also selectively or simultaneously advances a pushing element that is adapted to push an intravertebral implant along the guide member so that the guide member guides the implant through the cannula, out of the distal end opening of the cannula and into the vertebral body for implantation. | 01-09-2014 |
20140012387 | SPINAL SPACER DEVICES, TOOLS, AND METHODS - A spacer device for spinal fixation, such as in corpectomies and discectomies, includes a core and two end plates mounted to the core. One end plate is mounted to each respective end of the core. The core can be configured and adapted to be adjustable to allow for contraction and/or distraction of the end plates. The end plates can include apertures therethrough to facilitate osseointegration of the spacer device within a patient's spine. The angle of the endplates can each be adjusted with respect to the core of the spacer device, for example to accommodate lordosis. A containment mesh is included around the spacer device, wrapping circumferentially around the end plates, and spanning from end plate to end plate. The containment mesh defines a containment volume between the end plates for containing bone replacement materials such as allograft or man-made materials. | 01-09-2014 |
20140018922 | Articulating Interbody Cage and Methods Thereof - Disclosed herein are devices ( | 01-16-2014 |
20140018923 | ADJUSTABLE APPARATUS AND METHODS FOR INSERTING AN IMPLANT - Methods and apparatus for inserting an implant into an intervertebral cavity between adjacent vertebral bodies provide for: adjust an initial height between inner surfaces of respective first and second ramps of an inserter; simultaneously sliding first and second ramps of the inserter, and the implant, proximally, toward distal ends of the first and second ramps, such that the vertebral contact surfaces of the respective first and second ramps separate and distract the vertebral bodies and receive the implant into the intervertebral space with no compressive loading, while holding an initial angle between the ramps substantially constant. | 01-16-2014 |
20140018924 | EXPANDABLE INTERBODY SPACER DEVICE - An expandable interbody spacer ( | 01-16-2014 |
20140025167 | SYSTEM AND METHOD OF CERVICAL DISTRACTION FOR REOPERATIVE PROCEDURES - A system is disclosed for distracting a disc space in a cervical spine at a level adjacent to a previously operated disc space where, in the previous surgery, a cervical plate has been applied to the anterior of the spine to span the previously operated upon disc space and where the cervical plate is attached to the vertebrae bodies on opposite sides of the previously operated upon disc space with the cervical plate covering at least a portion of the vertebrae bodies. A conventional distractor post is screwed into a third vertebrae body, and a second distractor post or member is fixedly and removably secured to the cervical plate. A conventional distractor instrument is applied to the posts of both distractor posts for applying a distraction force to the vertebrae bodies delimiting the disc space to be operated upon. A surgical method of distraction is also disclosed. | 01-23-2014 |
20140025168 | Multi-Piece Intervertebral Implants - Intervertebral implants for implanting into an intervertebral space are provided. The implants can comprise one or more layers that are operably attached to one another. An implant can comprise a first layer having a first mating surface that mates with a second mating surface of a second layer. The first mating surface and the second mating surface can have features that allow them to complement each other. The implants can include one or more bore holes for receiving a fixation member. The bore holes can be horizontal, vertical or diagonal. In some cases, the bore holes will be blind bore holes. | 01-23-2014 |
20140025169 | Expandable Intervertebral Implant and Associated Method of Manufacturing The Same - An expandable intervertebral implant ( | 01-23-2014 |
20140025170 | EXPANDING INTERBODY IMPLANT AND ARTICULATING INSERTER AND METHOD - A device to space vertebral members with first and second members that may have at least one ramped section. The first and second members may be positioned in a vertically overlapping arrangement with interior sides of the members facing together. The device may be positionable between a first orientation with the ramped section of the first member positioned away from the ramped section of the second member, and a second orientation with the ramped section of the first member positioned against the ramped section of the second member. The device may include a greater height measured between the exterior sides in the second orientation than in the first orientation. | 01-23-2014 |
20140025171 | DEVICES FOR DISTRACTING TISSUE LAYERS OF THE HUMAN SPINE - The present invention relates to methods of separating, supporting or both separating and supporting layers of tissue in the human spine. Such methods generally comprise inserting at least one member between layers of tissue in the human spine and changing the configuration of the member to define a support structure between the tissue layers. | 01-23-2014 |
20140031937 | BONE IMPLANT DEVICE - An osteoimplant device is provided. The osteoimplant device includes a body of nondemineralized cortical bone and an outer surface having at least one region including demineralized bone. The osteoimplant device is formable into a shape and size configured for implantation at a surgical site. A disc shaped osteoimplant can be used for a facet joint fusion. A method of treating a patient having a bone defect in a host bone is also provided, the method including inserting the osteoimplant into the bone defect, for example, one associated with a facet joint. | 01-30-2014 |
20140031938 | Expandable Implant - An expandable implant for inserting within a skeletal space is provided, and a method for using the implant to expand the skeletal space. The implant is preferably designed to be inserted into an intervertebral space to replace at least part of an intervertebral disc between adjacent vertebral bodies. The expandable implant contains at least one first expansion compartment and at least one second expansion compartments, which compartments can be inflatable balloons that are inflated by a catheter. Inflating the first expansion compartment expands the implant in a first direction and inflating the second expansion compartment expands the implant in a second direction. | 01-30-2014 |
20140031939 | MESH SPACER HYBRID - A modular implant for performing an intervertebral fusion on adjacent vertebral bodies in a patient including a first spacer portion, a second spacer and a container having a first end and a second end, the first end of the container constructed to operably engage a first spacer and the second end of the container constructed to operably engage the second spacer. | 01-30-2014 |
20140031940 | Expandable Orthopedic Device - Methods and apparatuses for restoration of human or animal bone anatomy, which may include introduction, into a bone of an expansible implant capable of expansion in a single determined plane, positioning the expansible implant in the bone in order to correspond the single determined plane with a bone restoration plane and opening out the expansible implant in the bone restoration plane. A first support surface and a second support surface spread tissues within bone. The embodiments of the disclosure may also include injecting a filling material around the implant. | 01-30-2014 |
20140031941 | INTERBODY SPACER - An interbody spacer includes concave lateral surfaces extending at an angle with respect to the longitudinal axis. In one aspect, the interbody spacer includes upper and lower convex surfaces defined by an arc extending from a center point offset from the spacer midpoint. In another aspect, lateral edges of the upper and lower surfaces are also defined by convex arcs extending from a center point offset from the spacer midpoint. | 01-30-2014 |
20140031942 | ENDPLATE-PRESERVING SPINAL IMPLANT HAVING A ROUGHENED SURFACE TOPOGRAPHY - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and single vertical aperture, as well as an integration plate having a roughened surface topography on its top surface. | 01-30-2014 |
20140031943 | VERTEBRAL INTERBODY SPACER - An interbody spacer includes an elongated body with a maximum width between opposite side walls and a maximum height between upper and lower bearing surfaces. The interbody spacer also includes a leading end nose connecting the side walls to facilitate insertion of the interbody spacer into a disc space between vertebrae in an insertion orientation, from which the interbody device is then rotated to position the upper and lower bearing surfaces in contact with the endplates of the adjacent vertebrae. The leading end nose forms a blunt convex nose between the upper and lower bearing surfaces to maximize the bearing surface area available to contact the adjacent endplates. | 01-30-2014 |
20140039623 | Stabilizing Joints - An intervertebral spacer and stabilization implant includes a plate having sockets configured for retaining a fastener passable through the socket and into an adjacent vertebral body. One or more connecting projections extend from a side of the plate, to mate with projections extending from a spacer body. A plurality of teeth project from at least one of the upper or lower surfaces of the spacer body, and a chamber is formed through the spacer body to enable bone fusion between the vertebrae. The combined plate and spacer may be inserted to lie completely within the intervertebral space, or a portion of the plate may overlie a vertebral body. | 02-06-2014 |
20140039624 | Intervertebral Implant Devices For Supporting Vertebrae And Devices And Methods For Insertion Thereof - Implant devices for implantation within an intervertebral space are provided, together with methods and tools for use therewith. Implant devices of the present invention include an implant body formed of a synthetic bone substitute material, such as a nanocrystalline calcium phosphate material. The implant body and the methods and tools used therewith are configured to optimize strength and stability of the implant, minimize areas of stress concentration in the implant body and promote bone growth through the implant body and fusion of the vertebra. | 02-06-2014 |
20140039625 | A MINIMALLY-INVASIVE, LATEROVERTICALLY EXPANDING, INTERVERTEBRAL DISC SCAFFOLDING - A laterovertically expandable scaffolding is provided for supporting an intervertebral disc space using a minimally invasive procedure. The scaffolding can be configured to provide a low-profile entry in a collapsed configuration through the single point of entry through the annulus. The expanding including laterally expanding at least a portion of a first support and at least a portion of a second support away from each other; and, vertically expanding at least a portion of the first support or at least a portion of the second support for a distraction of the intervertebral space. The lateral movement can include a rotation at a point of intersection between the first support and the second support, the intersection being biased anteriorly in the intevertebral space to facilitate the adding of the grafting material. | 02-06-2014 |
20140039626 | PIVOTAL LATERAL CAGE AND METHOD OF INSERTION - A process for inserting a pivotable interbody spacer including an insertion instrument configured to manipulate a pivotable interbody spacer during insertion, wherein the insertion instrument includes means for coupling the interbody spacer and a means for fixing the angular position of the interbody spacer. According to one method for inserting an interbody spacer in a spinal disk space, the interbody spacer is grasped by the insertion instrument and fixed at a first angular position. The interbody spacer is next inserted into a surgical site. Next, the interbody spacer is released from a first angular position. Then, the insertion instrument is pivoted about a coupling of the interbody spacer such that the interbody spacer is in a second angular position. The angular position of the interbody spacer is then fixed in the second angular position. This insertion process continues until the interbody spacer is positioned in the desired location. | 02-06-2014 |
20140039627 | IMPLANT FOR TRANSFORAMINAL INTRACORPOREAL FUSION - The invention relates to an implant for the transforaminal intracorporeal fusion of lumbar vertebral column segments. At least some sections of the surface areas that are in direct contact with the spinal column are provided with an anti-dislocation mechanism ( | 02-06-2014 |
20140039628 | ALLOGRAFT INTERVERTEBRAL IMPLANT AND METHOD OF MANUFACTURING THE SAME - The present invention is directed to an allograft intervertebral implant sized and configured for insertion between adjacent vertebral bodies in a spinal fusion surgery. The implant is preferably manufactured from two or more pieces of allograft bone joined together by a joint, more preferably a dovetail joint. The dovetail joint being sized and configured to substantially follow the exterior shape or surface of the intervertebral implant. | 02-06-2014 |
20140039629 | EXPANDABLE INTERVERTEBRAL IMPLANT - A method of inserting an expandable intervertebral implant is disclosed. The implant preferably includes first and second members capable of being expanded upon movement of first and second wedges. The first and second wedges, while being capable of moving with respect to each other and the first and second members are also preferably attached to the first and second members. In addition, the first and second wedges are preferably capable of moving only in a first direction, while movement in a second direction is inhibited. The first and second wedges are also preferably prevented from torsionally moving with respect to the first and second members. | 02-06-2014 |
20140046445 | SPINAL STABILIZATION SYSTEM AND METHOD - A method for stabilizing the spine at the level of one or more vertebrae includes the step of inserting a pedicle connector through the pedicle of a vertebra from one of the anterior side and posterior side of the vertebra to the other of the anterior side and the posterior side of the vertebra. The pedicle connector is secured to a stabilization construct positioned adjacent to either the anterior side or posterior side of the vertebra. The process is repeated for the opposite side of the pedicle connector. A system for stabilizing the spine and a pedicle connector are also disclosed. | 02-13-2014 |
20140046446 | PERCUTANEOUS CAGE DELIVERY SYSTEMS DEVICES AND METHODS - An insertion guide to aid in placing a cage into an intervertebral space is presented. The insertion guide has an elongate insertion member having a cross-sectional shape configured to engage a portion of the cage. An end of the insertion member is positioned in a desired location in the intervertebral space and the cage slides along the length of the insertion member to the desired location. | 02-13-2014 |
20140046447 | CERVICAL IMPLANT WITH EXTERIOR FACE PLATE - The invention is directed to a spinal fusion device, comprising a load bearing component and an anterior component, wherein the load bearing component and the anterior component are configured to mate together by complimentary coupling members, and further comprising an external outer plate configured to span two vertebrae, wherein the outer plate includes bores configured to receive bone screws for coupling to vertebrae. | 02-13-2014 |
20140046448 | INTERBODY FUSION DEVICE - The invention is directed to an interbody fusion device comprises a fusion bearing device and a retention device and further comprises two bone screws that pass through the retention device and into the vertebral bodies. When implanted, the construct is flush with the anterior face of the vertebras and provides support and temporary fixation for the ultimate fusion of the vertebral bodies. | 02-13-2014 |
20140046449 | SPINAL IMPLANT AND INTEGRATION PLATE FOR OPTIMIZING VERTEBRAL ENDPLATE CONTACT LOAD-BEARING EDGES - An interbody spinal implant including a body and an integration plate having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, and a substantially hollow center in communication with a vertical aperture. The body is recessed in a way that portions of the integration plate protrude above the top and/or bottom surface of the body to enhance the resistance of the implant to expulsion from the intervertebral space. | 02-13-2014 |
20140052255 | IMPLANT WITH SEMI-ENCLOSED SCREWS - The present teachings provide an implant. The implant can include an implant body partially defining at least one threaded aperture. The implant can also include a bone fastener including a threaded portion threadably engaged with the at least one threaded aperture. The threaded aperture can circumferentially surround no more than 180° of the bone fastener. | 02-20-2014 |
20140052256 | Transforaminal Prosthetic Spinal Disc Replacement and Methods Thereof - The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine and methods for inserting said discs. The present invention also relates to prosthetic spinal disc designs that are implanted using a transforaminal approach, methods thereof, and apparatus thereof. | 02-20-2014 |
20140052257 | Spine Stabilization Device and Methods - An implant stabilizes two adjacent bones of a joint, while enabling a natural kinematic relative movement of the bones. Support components are connected to each bone of the joint, and a flexible core is interposed between them. The core and at least one of the support components are provided with a smooth sliding surface upon which the core and support component may slide relative to each other, enabling a corresponding movement of the bones. The surfaces may have a mating curvature, to mimic a natural movement of the joint. The core is resilient, and may bend or compress, enabling the bones to move towards each other, and or to bend relative to each other. | 02-20-2014 |
20140052258 | INTERBODY SPACER - An intervertebral spinal spacer that can include a substantially annular body that can include an upper surface, a lower surface, an outer surface, and an inner surface. The inner surface of the substantially annular body can define an internal cavity. The annular body can include a plurality of outer apertures and a plurality of inner apertures connected by a plurality of fluid passages that can draw fluid into the internal cavity. | 02-20-2014 |
20140052259 | Spinal Fusion Implant - The present invention provides a device and methodology for use in spinal fusion surgeries. An implant is proved for forming a rigid structure between adjoining vertebrae in a patient. The implant is a cage defined by at least a first end, second end, first side, and second side surface, wherein first and second side surfaces extend substantially parallel to each other to span a space between adjoining vertebrae and first and second ends interconnect said first side surface and second side surface. The cage incorporates one or more flexible joints that allow the cage to be deformed for insertion into a patient. The ability to deform the cage allows a greater ease and flexibility in inserting and positioning the implant. | 02-20-2014 |
20140052260 | STAND ALONE INTERBODY FIXATION SYSTEM - An interbody spacer system for insertion between a first vertebra and a second vertebra according to the principles of the present disclosure includes and interbody spacer and a first curved blade. The interbody spacer includes an outer wall and a first surface for engaging an endplate of the first vertebra and a second surface for engaging an endplate of the second vertebra. A first entry aperture in the outer wall and a first exit aperture on the first surface communicate with a first curved path extending therebetween. The first curved blade enters the first entry aperture and exits through the first exit aperture to secure the spacer to the first vertebra. | 02-20-2014 |
20140052261 | Intervertebral Implant, Insertion Tool and Method of Inserting Same - An intervertebral implant, alone and in combination with an insertion tool for inserting same and a method for inserting same. The implant has upper and lower parts which have universal movement relative to each other. Each of the upper and lower parts also has a surface engaging an adjacent vertebrae. Each part has a keel extending from said surface into a cutout in the adjacent vertebrae, and each keel has an anterior opening recess therein. An insert tool has a pair of arms which are received in the recess of the keels through the anterior opening to securely hold and insert the implant. Projections and matching indentations in each arm and the base of its recess securely attached each arm within its keel. | 02-20-2014 |
20140052262 | Intervertebral Implant Having Extendable Bone Fixation Members - An intervertebral implant is configured to be fixed in an intervertebral space defined by a first vertebral body and a second vertebral body. The intervertebral implant includes an implant body sized to be inserted into an intervertebral space, and a fixation assembly configured to be attached to the implant body. The fixation assembly includes a housing that defines a first vertebral body facing surface and a second vertebral body facing surface spaced from the first vertebral body facing surface along a transverse direction. The fixation assembly further includes at least one fixation member supported by the housing and movable from a retracted position to an extended position, whereby in the extended position the fixation member extends out from the housing and into one of the vertebral bodies. | 02-20-2014 |
20140052263 | Systems and Methods for Spinal Fusion - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 02-20-2014 |
20140058512 | Intevertebral Implant - An intervertebral spacer for therapeutic treatment of a patient includes at least one link sized and dimensioned to fit within an intervertebral space in the patient, and is configured to maintain a separation of two adjacent vertebrae for a period of time. A rigid guiding object, which may be a tool or a successive link, is insertable into the patient, to guide other links into the patient using an MIS approach. A pivot is connected between successive links, or between a guide tool and a link, configured to limit a relative range of angular orientation between the link and the guiding tool, or successive links. Multiple links are so joined to form a chain pushable by the last link, and pullable by the first link, to form a chain which may be formed into a curved configuration corresponding to the patient's intervertebral space. | 02-27-2014 |
20140058513 | Intervertebral Implant - An intervertebral spacer for therapeutic treatment of a patient includes at least one link sized and dimensioned to fit within an intervertebral space in the patient, and is configured to maintain a separation of two adjacent vertebrae for a period of time. A rigid guiding object, which may be a tool or a successive link, is insertable into the patient, to guide other links into the patient using an MIS approach. A pivot is connected between successive links, or between a guide tool and a link, configured to limit a relative range of angular orientation between the link and the guiding tool, or successive links. Multiple links are so joined to form a chain pushable by the last link, and pullable by the first link, to form a chain which may be formed into a curved configuration corresponding to the patient's intervertebral space. | 02-27-2014 |
20140058514 | Insertion tool for Inter-body Vertebral Prosthetic Device With Self-Deploying Screws - An apparatus for inserting an intervertebral prosthesis within a spine of a mammal includes: a handle including a drive nut operating to produce rotational torque in response to user-input about a central axis; a first drive shaft including a proximal end in communication with the drive nut, receiving rotational torque therefrom, and imparting rotational torque to the first drive shaft about a first axis, which is laterally offset from the central axis; and a distal end of the first drive shaft including a first drive head; and a chuck disposed at a distal end of the tool for engaging the intervertebral prosthesis during implantation, wherein the first drive shaft extends through the chuck and the first drive head engages a first gear of the intervertebral prosthesis, such that rotation of the first gear causes rotation and deployment of a first anchoring element of the intervertebral prosthesis. | 02-27-2014 |
20140058515 | SURFACE EXPANDING SPACER - An interbody spacer comprising a series of stacked walls connected by a common base, wherein the spacer collapses when pressed into an access delivery tube. During insertion, the walls can flex as a unit, like bending a deck of cards, to traverse bends in the access tube. Upon distally exiting the portal of the access delivery tube, the walls track apart (like spreading fingers) to create a wide base of support for the vertebral body endplate. A graft delivery device that uses a conveyor belt-type approach to deliver bone graft from the device to a location in a patient. In some embodiments, the conveyor-belt is manually actuated. | 02-27-2014 |
20140058516 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 02-27-2014 |
20140058517 | AUXETIC PROSTHETIC IMPLANT - An implant including a first disc portion shaped and sized generally to correspond to a first intervertebral disc section having a pivot point positioned relative to a first surface opposite a second surface of the first disc portion and a lattice structure with a negative Poisson's ratio; a second disc portion being shaped and sized generally to correspond to a second intervertebral disc section having a pivot point receptacle positioned relative to a third surface opposite a forth surface of the second disc portion and a lattice structure with a negative Poisson's ratio where the first disc portion and the second disc portion are configured to exhibit an auxetic behavior when subject to compression generally perpendicular to a surface plane of the first surface and the second surface. | 02-27-2014 |
20140058518 | Articulating Spacer - Spinal implants are disclosed. One spinal implant includes a support body, an articulating element, a blocking member and a motion limiting member. The support body includes a superior end surface and a lower end surface having teeth. In between the superior end surface and the lower end surface is a recess formed in a sidewall of the support body for receiving the articulating element. The blocking member can be received in the recess to prevent inadvertent back-out of the articulating element from within the recess. The articulating element can articulate in one or more directions, thereby allowing articulation of the spinal implant into a desired position within a disc space. | 02-27-2014 |
20140058519 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 02-27-2014 |
20140058520 | SPINAL IMPLANTS - A spinal implant includes upper and lower faces arranged in opposition to one another and configured to contact and space apart adjacent vertebral bodies, and first and second lateral sides connecting the upper and lower faces. A maximum distance between the upper and lower faces along the first lateral side is greater than a maximum distance between the upper and lower faces along the second lateral side. The implant also includes proximal and distal end walls connecting the upper and lower faces, a maximum distance between the upper and lower faces along the proximal end wall being greater than a maximum distance between the upper and lower faces along the distal end wall. An anchoring member may also be inserted into the implant. | 02-27-2014 |
20140058521 | BONE FUSION DEVICE - A bone fusion device provides stability to bones during a bone fusion period. The bones include, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable tabs attached to the bone fusion device by associated rotating means. The bone fusion device is preferably inserted by using an arthroscopic surgical procedure. During arthroscopic insertion of the device, the tabs are pre-configured for compactness. In this compact configuration, the tabs are preferably deposed along and/or within an exterior surface of the bone fusion device. After the bone fusion device has been positioned between the bones, one or more tab(s) are extended. In the preferred embodiment, the position of each tab is related to a positioning element and extending blocks. Typically, the tabs advantageously position and brace the bone fusion device in the confined space between the bones until the bones have fused. | 02-27-2014 |
20140058522 | INTERVERTEBRAL IMPLANT - A vertebral implant for fusing adjacent vertebrae or for replacing vertebral bodies is disclosed. The implant is a biocompatble metal resorbable or radiolucent implant conforming substantially in size and shape with an end plate of a vertebra. The implant preferably has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The top and bottom surfaces of the implant have areas with a plurality of teeth to resist expulsion and provide initial stability and areas devoid of any protrusions to receive implantation instrumentation. The implant also has a stackability feature. The implant provides initial stability needed for fusion without stress shielding. | 02-27-2014 |
20140067068 | METHOD OF TREATING SPINAL INTERNAL DISK DERANGEMENT - A method of treating a spinal disk according to the present invention can include inserting an alloplastic bulking agent into the spinal disk to treat the defect. The alloplastic bulking agent has a plurality of microparticles. The bulking agent results in at least one of sealing the defect, increasing a pressure of the disk, increasing a height of the disk, improving stability of the disk and improving structural integrity of the disk. | 03-06-2014 |
20140067069 | ARTIFICIAL DISC - Intervertebral implants and methods of delivering the intervertebral implants include delivering an implant through the Kambin's triangle from a posterolateral approach. The intervertebral implants can include a first body portion having an open configuration and a closed configuration. The intervertebral implants can also include a second body portion having an open configuration and a closed configuration. The first body portion removably connects to the second body portion. | 03-06-2014 |
20140067070 | DEVICES AND METHODS FOR INTER-VERTEBRAL ORTHOPEDIC DEVICE PLACEMENT - A bone prosthesis device is comprised of an upper and lower abutment surfaces and an intervening malleable member. The device is sufficiently small so that implantation into an inter-vertebral disc space can be performed from a substantially posterior approach without significant impingement upon the neural elements. | 03-06-2014 |
20140067071 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a central ramp, a first endplate, and a second endplate, the central ramp capable of being moved in a first direction to move the first and second endplates outwardly and into an expanded configuration. The fusion device is capable of being deployed down an endoscopic tube. | 03-06-2014 |
20140067072 | ADJUSTABLE INTERVERTEBRAL IMPLANT - An adjustable intervertebral implant for implantation into a patient's spine in-between first and second adjacent or neighboring vertebrae. The implant may include one or more of the following features: (i) inner and outer members coupled by a radiographically imageable expansion ring, (ii) detachable endplates coupled to the implant via a polygonal press-fit coupling interface that accommodate a range of lordotic endplates to be applied to the implant using any surgical approach, (iii) an interference pre-loaded set screw for selectively locking the height of the construct, (iv) a radiographically imageable marker for determining the expansion of the implant, and (v) an asymmetric thread coupling between the expansion ring and the inner member. | 03-06-2014 |
20140067073 | MEMORY MATERIAL IMPLANT SYSTEM AND METHODS OF USE - Apparatus and method used to reduce the movement between vertebrae or fractured bones. The implantable device can be deformed from its shape-set configuration for ease of deployment and return to a pre-set shape upon completion of deployment. The apparatus can serve to stabilize fractured bones or as a distraction device and support structure between vertebrae. Device may be made of a material with shape memory and superelastic properties which facilitate the method of implantation. The pre-set shape of the device may include dimensions/geometries which are similar to the natural curvature of the human spine or bone without the use of hinging or connection between multiple pieces. Once deployed, the device can serve to constrain the flow of bone growth material between the inside and outside of the device. | 03-06-2014 |
20140067074 | SPINAL IMPLANT HAVING DEPLOYABLE BONE ENGAGING PROJECTIONS - Instrumentation is disclosed for inserting an interbody spinal fusion implant for implantation at least in part within and across the generally restored height of a disc space between two adjacent vertebral bodies of a human spine. The implant has an external housing and a substantially hollow internal rotatable member having bone engaging projections that are deployable through the housing to penetrably engage the adjacent vertebral bodies. | 03-06-2014 |
20140074240 | BONE INFUSION APPARATUS AND METHODS FOR INTERBODY GRAFTS - A bone infusion apparatus for interbody grafts includes a container; a retainer, the retainer including a recess for receiving therein bone graft material; and a lid including a plunger assembly. A method of preparing bone including cadaver bone for use in cervical fusion includes: placing cadaver bone combined with bone collected from a patient into a recess of the retainer; placing the retainer in the container; filling the container with a liquid; attaching a lid the container; depressing a plunger of the lid such that a press head advances toward the retainer causing a dynamic pressure to act on the cadaver bone combined with the bone collected from the patient; suctioning the liquid from the container; removing the combined bone from the retainer; and placing the combined bone removed from the container into a vertebral interspace of the patient. | 03-13-2014 |
20140074241 | Fixation Devices for Anterior Lumbar or Cervical Interbody Fusion - Fixation systems, kits and methods for vertebral interbody fusions are provided. The fixation systems fix an intervertebral cage in the spine to resist left to right rotation, flexion and/or extension. In one embodiment, the fixation system contains two keels that are insertable into an attachment portion or an anterior wall of an intervertebral cage. Each keel contains a blade with two flanges, in the shape of half of an I-beam. The attachment portion may be one or more pieces that mate to form the attachment portion, such as an I-beam attachment portion. The blades can be straight or curved. Preferably the fixation systems are modular, allowing for parts to be interchanged to suit the patient's needs. The fixation systems may be provided in a kit, preferably with more than two keels having different sizes and/or shapes, more than one cage, and/or more than one attachment portion. | 03-13-2014 |
20140074242 | Artificial Disc - A medical device includes a base ring configured to be implanted within a body of a patient. The base ring provides a contact surface to a vertebrae. Multiple layers of multiple leveling plates are configured to equalize forces applied to the contact surface of the base ring, where at least one of the layers of the leveling plates engages an inner surface of the base ring. A layer of multiple pads is included with a top surface of the pads configured to maintain a parallel plane and a bottom surface of each of the multiple pads is configured to engage a top surface of one of the layers of the leveling plates. A cover is configured to enclose the multiple layers of the leveling plates, the layer of the multiple pads and the base ring. The cover provides a contact surface to a vertebrae. | 03-13-2014 |
20140081402 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 03-20-2014 |
20140081403 | METHOD FOR TREATMENT OR EVACUATION OF INTERVERTEBRAL DISC - A method of positioning an S-shaped tool against inner annular walls of the disc that particularly facilitates reaching posterior and postero-lateral portions of the inner annulus of the disc by arthroscopy. An elongated, arcuate and S-shaped tool such as a catheter is positioned against the inner annular wall of the disc, and particularly on the posterior and postero-lateral portions of the inner annulus of the disc, which are portions of the disc to be treated. The deformable, arcuate and S-shaped tool retains its predetermined arcuate, S-shape when no pressure or force is applied to the tool. | 03-20-2014 |
20140081404 | SPINAL INTERBODY SPACER DEVICE AND METHODS OF USING SAME - A method is provided for manipulating a spinal body spacer for use in spinal surgery on a patient. The method includes attaching a placement tool to the spinal body spacer and manipulating the placement tool so as to locate the spinal body spacer in a desired location. The placement tool can by removed by unscrewing the placement tool from a threaded receiving aperture of the spinal body spacer. The method also includes passing a tip of an extraction tool through the threaded receiving aperture of the spinal body spacer, the tip of the extraction tool having at least one tab. The tip of the extraction tool is rotated such that the at least one tab of the tip of the extraction tool passes through keyways of the spacer and extends into the interior space of the spinal body spacer. | 03-20-2014 |
20140081405 | Disc Nucleus Replacement and Method of Use - An artificial disc nucleus replacement includes two mating halves which are inserted into the patient from opposite lateral sides of the patient's back, and joined together with screws. | 03-20-2014 |
20140088709 | SPACE HOLDER FOR VERTEBRAE OR INTERVERTEBRAL DISCS - The present invention concerns a space holder, especially for vertebrae or intervertebral discs for implantation into human or animal organisms, having a cylinder-like body ( | 03-27-2014 |
20140088710 | INTERBODY FUSION IMPLANT AND RELATED METHODS - An interbody fusion implant system according to the principles of the present disclosure includes a base member, a first guide, a second guide, and a closure member with a first thru-bore and a second thru-bore. The base member includes a first side wall, a second side wall, and an end wall to define an open trailing end and an interior bounded by the side walls and the end wall. Each guide includes length and has a first portion attached to the proximal end of the first side wall and a second portion extending freely away from the first portion. The closure member includes a first thru-bore configured to be received by the first guide to align the closure member with the first side wall and a second thru-bore configured to be received by the second guide to align the closure member with the second side wall. | 03-27-2014 |
20140088711 | SYSTEM AND METHOD FOR AN INTERBODY SPINAL FUSION ASSEMBLY - An interbody spinal fusion assembly includes an interbody cage, planar metal pins and bone fasteners. The interbody cage includes a metal cage and a PEEK insert. The PEEK insert is inserted into a slot of the metal cage and is secured to the metal cage with a pin. The assembled interbody cage is inserted in the space between two adjacent vertebras and is secured in placed with the planar metal pins and the bone fasteners. | 03-27-2014 |
20140088712 | Delivery Device - The present disclosure provides a delivery device for delivering a tissue repair composition in paste form, such as a bone graft extender and substitute in paste form, for use in surgical procedures including minimally invasive spine (fusion) surgery, open spine surgery and other orthopedic procedures. | 03-27-2014 |
20140088713 | EXPANDABLE SUPPORT DEVICE AND METHOD OF USE - An expandable support device for tissue repair is disclosed. The device can be used to repair hard or soft tissue, such as bone or vertebral discs. A method of repairing tissue is also disclosed. The device and method can be used to treat compression fractures. The compression fractures can be in the spine. The device can be deployed by compressing the device longitudinally resulting in radial expansion. | 03-27-2014 |
20140088714 | EXPANDABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral implant comprises a first component and a second component. The second component includes an actuator and a third component comprises a first ramp and a second ramp axially spaced apart from the first ramp. The third component comprises rails including at least a portion of the ramps. At least one of the ramp portions disposed with the first rail has a first height and at least one of the ramp portions disposed with the second rail has a second height. The first height is greater than the second height. The actuator is engageable with the third component to effect axial translation such that the ramps engage at least one of the components between a first configuration and a second configuration. Methods of use are disclosed. | 03-27-2014 |
20140088715 | INTERVERTEBRAL IMPLANT FOR MUTUAL SITUATING OF ADJACENT VERTEBRAE - Intervertebral implant for mutual situating of adjacent vertebrae contains a cover ( | 03-27-2014 |
20140094917 | Expandable fusion cage with cam adjuster - An expandable fusion cage has an elongated cage body with a central hollow region, a posterior end and an anterior end with first and second anterior end portions in communication with the central hollow region, a first longitudinal member and a second longitudinal space from and substantially parallel to the first longitudinal member extending between the posterior end and the first anterior end portion, and a cam body having a cam surface on a periphery of the cam body and a cam adjusting feature facing the central hollow region where the cam body is positioned between the first anterior end portion and the second anterior end portion and is adapted to rotatably engage the cam surface with the first anterior end portion and the second anterior end portion to change the orientation of the anterior end of the cage body between a collapsed configuration and an expanded configuration. | 04-03-2014 |
20140094918 | STAND-ALONE INTERBODY FIXATION SYSTEM - A stand-alone interbody fixation system having a cage, anterior fixation blade and posterior fixation blade. The cage includes an annular side wall with an open interior and upper and lower surfaces, the cage being configured to fit between end plates of adjacent vertebrae. The anterior fixation blade includes an anterior alignment boss with two opposing outward extending anterior blades with end plate penetrating tips configured to fit within the open interior of the cage. The posterior fixation blade includes a posterior alignment boss with two opposing outward extending posterior blades with end plate penetrating tips configured to fit within the open interior of the cage. The anterior and posterior fixation blades are counter-rotating blades and the anterior alignment boss and posterior alignment boss are configured to receive or engage a deployment instrument having an anterior engagement portion and a posterior engagement portion configured to rotate the anterior and posterior fixation blades from a stowed position to a deployed condition. | 04-03-2014 |
20140094919 | INTERBODY FUSION IMPLANT - An intervertebral implant can include a core and a flexible end plate. The core can have a core body that is elongate along a first direction and defines first and second outer surfaces. The flexible end plate can define an inner surface and an opposed bone facing surface that is configured to abut a vertebral body. The flexible end plate can be coupled to the core such that at least a portion of the inner surface faces the first outer surface and is spaced from the first outer surface. The flexible end plate is configured to resiliently flex toward a compressed configuration such that as the flexible end plate flexes toward the compressed configuration, a first end moves relative to the core along the first direction and the portion of the inner surface moves toward the first outer surface. | 04-03-2014 |
20140094920 | SPACER AND EXPANDING DEVICE - An expanding device for expanding the spacing between bones is provided. The expanding device includes a spacer configured to be expandable and disposed between the bones, a catheter provided with the spacer at a distal end thereof and adapted to introduce a filler into the spacer, and a sheath having a lumen through which the catheter is inserted and in which the spacer before expansion can be housed. The spacer includes a spacer body configured to be expandable, an introduction section through which a filler is introduced into a rear-end-side expansion section of the spacer body, and a bypass passage through which part of the filler in the introduction section is introduced into a distal-end-side expansion section of the spacer body. | 04-03-2014 |
20140094921 | IMPLANTS WITH SELF-DEPLOYING ANCHORS - A spinal implant having a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions. At least one of the top surface and bottom surface has a roughened surface topography, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction generated when the implant is placed between two vertebrae and to inhibit migration of the implant. At least one of the top surface and the bottom surface also includes at least one self-deploying anchor having an expulsion tab and a bone-engaging tip that causes the implant to resist expulsion once the expulsion tab is deployed. | 04-03-2014 |
20140094922 | BONE FIXATION AND FUSION DEVICE - Disclosed is a bone fusion cage that contains bone graft and is implanted between bones in a skeletal system. The cage bears structural loads that are transmitted through the bones of the skeletal system and at least partially shields the contained bone graft from the structural loads. The cage is configured to provide a secondary load to the bone graft independent of the structural load to promote fusion of the bone graft to adjacent bones. | 04-03-2014 |
20140100659 | SYSTEM AND METHOD FOR PERFORMING A TRANSILIAC APPROACH FOR L5-S1 DISCECTOMY AND FUSION - A system, device and method for performing a transiliac approach for L5-S1 interbody fusion is disclosed. The surgeon may determine the access location using a neuromonitoring probe and fluoroscopy. Once the location is determined, the surgeon may use a cannulated needle or Jamshidi to create an initial pathway through the ilium. In an embodiment of the present invention, the surgeon may then advance a needle or Jamshidi through the ilium, just medial to the ilium wall. A guide pin may then be advanced through the cannulated needle or Jamshidi until the distal tip of the Jamshidi is reached. The Jamshidi may then be removed. | 04-10-2014 |
20140100660 | METHOD AND APPARATUS FOR MINIMALLY INVASIVE INSERTION OF INTERVERTEBRAL IMPLANTS - A dilation introducer for orthopedic surgery is provided for minimally invasive access for insertion of an intervertebral implant. The dilation introducer may be used to provide an access position through Kambin's triangle from a posterolateral approach. A first dilator tube with a first longitudinal axis is provided. A second dilator tube may be introduced over the first, advanced along a second longitudinal axis parallel to but offset from the first. A third dilator tube may be introduced over the second, advanced along a third longitudinal axis parallel to but offset from both the first and the second. An access cannula may be introduced over the third dilator tube. With the first, second, and third dilator tubes removed, surgical instruments may pass through the access cannula to operate on an intervertebral disc and/or insert an intervertebral implant. | 04-10-2014 |
20140100661 | INTERVERTEBRAL-DISC PROSTHESIS - The intervertebral disc prosthesis comprises first and second plates ( | 04-10-2014 |
20140100662 | EXPANDABLE SPINAL IMPLANT WITH EXPANSION WEDGE AND ANCHOR - An interbody spinal implant system includes an implant having separate, but joined top and bottom portions, a socket for receiving an expansion wedge, an expansion wedge, and an anchor pin. | 04-10-2014 |
20140100663 | INTERVERTEBRAL IMPLANT WITH FIXATION GEOMETRY - An intervertebral spacer implant ( | 04-10-2014 |
20140107785 | BONE PLATE AND FUSION CAGE INTERFACE - Various exemplary embodiments relate to a spinal implant for insertion between two adjacent vertebrae, the spinal implant including one or more of the following: a cage comprising: a frame sized to be inserted between the vertebrae, the frame comprising a fastener hole and a cage alignment structure, the cage alignment structure comprising at least one of: a cage groove and a cage ridge; a bone plate comprising a bone plate alignment structure a through hole, wherein the bone plate alignment structure comprises at least one of a bone plate groove and a bone plate ridge, and wherein the bone plate alignment structure and the cage alignment structure are configured to interact with each other to provide an indication when the bone plate is properly aligned with the cage; and a fastener to attach the bone plate to the cage when inserted through the through hole and into the fastener hole. | 04-17-2014 |
20140107786 | FUSION CAGE IMPLANT WITH LATTICE STRUCTURE - Various exemplary embodiments relate to a spinal implant for insertion between two vertebrae including one or more of the following: a cage comprising: a frame including a fastener hole, a lattice structure disposed within the frame and exposed on a top and bottom face of the frame to permit bone growth into the lattice structure, and an inner rim disposed between the lattice structure and a through bore extending through the cage; a bone plate comprising a through hole, and a first and a second screw hole, wherein the first and second screw hole are positioned to overlie the vertebrae when the bone plate is attached to the cage and the cage is inserted between the two vertebrae; and a fastener operable to attach the bone plate to the cage when the fastener is inserted through the through hole of the bone plate and into the fastener hole of the frame. | 04-17-2014 |
20140107787 | EXPANDABLE SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises a first member defining a longitudinal axis and including a wall that defines an axial cavity and at least one lateral opening configured for disposal of an instrument. A second member is configured for disposal with the axial cavity and includes a wall having an axial surface disposed along a thickness thereof. The axial surface defines at least a portion of an axial opening and includes a plurality of gear teeth disposed therealong. The instrument is engageable with the teeth to axially translate the second member relative to the first member. Systems and methods of use are disclosed. | 04-17-2014 |
20140107788 | EXPANDABLE INTERBODY FUSION DEVICE - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of interlocking expansion members or wafers. The like-configured wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. One of the interlocking features includes a plurality of prongs projecting from an upper surface of the wafers and into a recess defined in the lower surface of an adjacent previously inserted like-configured wafer. The prongs and recesses are configured to prevent retrograde movement of each new wafer in a direction opposite the direction of insertion. Other interlocking features prevent movement in the direction of insertion, transverse to the insertion direction and vertically within the stack. | 04-17-2014 |
20140107789 | DEVICES FOR TREATING THE SPINE - Various features of spinal implants and systems and methods for implanting the same with or between tissue layers in the human body. | 04-17-2014 |
20140107790 | INTERVERTEBRAL IMPLANT AND INSERTION DEVICE - An intervertebral implant ( | 04-17-2014 |
20140114413 | INTERSOMATIC CAGE, INTERVERTEBRAL PROSTHESIS, ANCHORING DEVICE AND IMPLANTATION INSTRUMENTS - An intersomatic cage, an intervertebral prosthesis, an anchoring device and an instrument for implantation of the cage or the prosthesis and the anchoring device are provided. An intersomatic cage or an intervertebral prosthesis fit closely to the anchoring device, which includes a body of elongated shape on a longitudinal axis, of curved shape describing, along the longitudinal axis, an arc whose dimensions and radius of curvature are designed in such a manner that the anchoring device may be implanted in the vertebral plate of a vertebra by presenting its longitudinal axis substantially along the plane of the intervertebral space, where the anchoring device is inserted, by means of the instrument, through a slot located in at least one peripheral wall of the cage or on at least one plate of the intervertebral disc prosthesis to penetrate into at least one vertebral plate. | 04-24-2014 |
20140114414 | DEVICES AND METHODS FOR SPINAL STABILIZATION AND INSTRUMENTATION - Apparatus and methods for providing spinal percutaneous delivery of an implant that can rigidly fixate the spinous process of a first superior bone and a second inferior bone of a functional spinal unit. In one aspect, the device comprises two bone abutment members connected via an interconnecting member. In another aspect, the method comprises implanting at least two spinal implant apparatus within a target disc space via an implantation apparatus. In another aspect, a placement instrument comprising an implant delivery segment, an anchor segment, and an articulating arm is disclosed. | 04-24-2014 |
20140114415 | Orthopedic Systems for Spine and Tracking Control - An orthopedic implant system includes an intervertebral implant. The implant includes a body having an upper surface extending generally in a first plane. The upper surface has a first plurality of longitudinal grooves and a second plurality of transverse grooves extending therealong. Portions of the upper surface extend between adjacent longitudinal grooves and transverse grooves form individual peaks. A lower surface extends generally in a second plane, parallel to the first plane. The lower surface has a third plurality of longitudinal grooves and a fourth plurality of transverse grooves extending therealong. Portions of the lower surface extend between adjacent longitudinal grooves and transverse grooves form individual peaks. | 04-24-2014 |
20140114416 | INTERVERTIBRAL DISC CAP AND METHOD OF USE - An intervertebral spacer in the form of a generally flat four sided disc, with two opposite sides having slightly curved surfaces and two opposite sides having pointed lobes. The disc is configured to be placed between two vertebrae and rotated, with the rotation spreading the vertebrae and moving the pointed lobes into contact with the inner vertebral faces, for holding the vertebrae a fixed distance apart. | 04-24-2014 |
20140114417 | INSERTION DEVICE FOR USE WITH AN EXPANDABLE CAGE - An insertion device includes a first engagement arm having a first body portion and a first proximal extension, a second engagement arm including a second body portion and a second proximal extension, and an adjustment mechanism. The second proximal extension is disposed about the first proximal extension and is slidable therealong to vary a spacing between the first and second engagement arms. The adjustment mechanism includes an adjustment screw rotatably coupled to the first proximal extension and an adjustment cylinder coupled to the second proximal extension. The adjustment cylinder is configured to receive the adjustment screw in threaded engagement therewith such that rotation of the adjustment screw relative to the adjustment cylinder urges the second proximal extension to translate along the first proximal extension to vary the spacing between the first and second engagement arms. | 04-24-2014 |
20140114418 | FACET FIXATION DEVICE - The invention features an implant assembly for stabilization of a facet joint including an implant having a U-shaped body. The U-shaped body comprises a rounded front end, an open back end, first and second elongated components extending from the rounded front end, forming the U-shaped body and ending at the open back end and a helical structure extending within the U-shaped body that serves as a locking mechanism. | 04-24-2014 |
20140114419 | MESENCHYMAL CELL-BASED SOFT FUSION AS A BIOLOGICAL INTERVERTEBRAL DISC REPLACEMENT - The invention comprises a combination of biological elements that will naturally remodel in vivo based on applied mechanical forces. The final composition will possess mechanical properties similar to cartilage or a disc, and significantly less stiff than bone or implants comprised of metals or plastics. The equilibrium stress conduction will minimize unnatural forces on neighboring healthy discs. | 04-24-2014 |
20140114420 | EXPANDABLE INTER-BODY FUSION DEVICES AND METHODS - An expandable inter-body fusion device is presented. The expandable inter-body fusion device has a first plate and a second plate that can be manipulated to change the height and angle of lordosis. Also presented is a method of using an expandable inter-body fusion device in an inter-body fusion procedure, and a method of using an expandable trial to size the correct expandable inter-body fusion device for use in the aforementioned procedure. | 04-24-2014 |
20140114421 | INTERBODY SPINAL IMPLANT HAVING A ROUGHENED SURFACE TOPOGRAPHY - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture. The single vertical aperture extends from the top surface to the bottom surface, has a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and defines a transverse rim. | 04-24-2014 |
20140114422 | PLASTICALLY DEFORMABLE INTER-OSSEOUS DEVICE - Described here are deformable monolithic, stabilization devices, or implants, suitable for use within bone and between bones, for instance, to fuse vertebral bodies, to repair herniated discs, or to repair spinal compression fractures. The implants are introduced into a chose site at a first, smaller height and then plastically deformed to achieve a second, but unique, pre-selected, larger height. Variations of the device provide one or more specific larger heights. The devices are particularly suitable as intervertebral spinal fusion implants for the immobilization of adjacent vertebral bodies. Methods of deploying the implants are also described as are instruments for such deployment. | 04-24-2014 |
20140114423 | DISTRACTIBLE INTERVERTEBRAL IMPLANT - A distractible intervertebral implant configured to be inserted in an insertion direction into an intervertebral space that is defined between a first vertebral body and a second vertebral body is disclosed. The implant may include a first body and a second body. The first body may define an outer surface that is configured to engage the first vertebral body, and an opposing inner surface that defines a rail. The second body may define an outer surface that is configured to engage the second vertebral body, and an inner surface that defines a recess configured to receive the rail of the first body. The second body moves in a vertical direction toward the second vertebral body as the second body is slid over the first body and the rail is received in the recess. | 04-24-2014 |
20140121773 | STAND-ALONE INTERBODY FIXATION SYSTEM - A stand-alone interbody fixation system having a cage, anterior fixation blade and posterior fixation blade. The cage includes an annular side wall with an open interior and upper and lower surfaces, the cage being configured to fit between end plates of adjacent vertebrae. The anterior fixation blade includes an anterior alignment boss with two opposing outward extending anterior blades with end plate penetrating tips configured to fit within the open interior of the cage. The posterior fixation blade includes a posterior alignment boss with two opposing outward extending posterior blades with end plate penetrating tips configured to fit within the open interior of the cage. The anterior alignment boss and posterior alignment boss being rotatably coupled to each other and with a first opening and a second opening in the annular side wall opposite the first opening. The anterior and posterior fixation blades are counter-rotating blades and the anterior alignment boss and posterior alignment boss are configured to receive or engage a blade activation tool having an anterior engagement portion and a posterior engagement portion configured to rotate the anterior and posterior fixation blades from a stowed position to a deployed condition. | 05-01-2014 |
20140121774 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 05-01-2014 |
20140121775 | EXPANDABLE INTERBODY IMPLANT AND METHOD - An interbody implant system for use with a first vertebra having a first endplate and a second vertebra having a second endplate. The system includes an expandable implant that includes a plurality of supports and means for linking the plurality of supports. The plurality of supports are capable of moving apart from one another so that the expandable implant is in an expanded condition. A channel extends through the first vertebra from a pedicle or the body wall to the first endplate. An unexpanded diameter for the expandable implant is configured to permit passage of the expandable implant through the channel. An expanded diameter for the expandable implant is greater than the channel diameter at the first endplate. The support height is configured to permit the plurality of supports to be positioned between the first endplate and the second endplate. Methods for the use of the system are described. | 05-01-2014 |
20140121776 | PROGRAMMABLE IMPLANTS AND METHODS OF USING PROGRAMMABLE IMPLANTS TO REPAIR BONE STRUCTURES - Various embodiments of implant systems and related apparatus, and methods of operating the same are described herein. In various embodiments, an implant for interfacing with a bone structure includes a web structure, including a space truss, configured to interface with human bone tissue. The space truss includes two or more planar truss units having a plurality of struts joined at nodes. Implants are optimized for the expected stress applied at the bone structure site. | 05-01-2014 |
20140121777 | Multi-Piece Intervertebral Implants - Intervertebral implants for implanting into an intervertebral space are provided. The implants can comprise one or more layers that are operably attached to one another. An implant can comprise a first layer having a first mating surface that mates with a second mating surface of a second layer. The first mating surface and the second mating surface can have features that allow them to complement each other. The implants can include one or more bore holes for receiving a fixation member. The bore holes can be horizontal, vertical or diagonal. In some cases, the bore holes will be blind bore holes. | 05-01-2014 |
20140121778 | Intersomatic cage with unified grafts - An intervertebral cage includes a thin main wall having two return parts at opposite ends of the wall. The wall has an approximately constant thickness. The return parts are extended by facing end parts having a gap between them. The wall, the return parts and end parts delimit an inner cavity. The gap extends parallel to the wall and has a length between 50% and 100% of the cavity length. The gap length is preferably between 70% to 90% of the cavity length. | 05-01-2014 |
20140128977 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 05-08-2014 |
20140128978 | Stabilizing Vertebrae with Expandable Spacers - A spinal distractor and stabilizer has resilient, conformable bone contacting sections which are separated by an expandable chamber that extends from one of the sections, and which forms a ratchet with the section, ensuring that once expanded by being filled with a substance, cannot contract absent intervention by a medical practitioner. The stabilizer may be filled with a material which solidifies, after which some or all of the device may biodegrade. The device may also be provided in separable portions to facilitate implantation. The conformable sections distribute the distraction and stabilizing force evenly over the bone surface, reducing the incidence of disruption to the integrity of the bone. | 05-08-2014 |
20140128979 | Implants for Spinal Therapy - Minimally invasive surgical techniques including techniques and implants for provision of therapy to a spine from a lateral approach. Implants that may be used with other approaches to the spine are disclosed. Minimally invasive surgical techniques using one or more extended retractors to create an extended access route such as the non-limiting example of lateral access to the spine. Minimally invasive surgical techniques using internal retractors that may be reversibly expanded with a removable retractor inserter to create an extended access route. A linkage jack to expand a set of two or more extended retractors to create an extended access route. | 05-08-2014 |
20140128980 | COMPOSITE ORTHOPEDIC IMPLANT HAVING A LOW FRICTION MATERIAL SUBSTRATE WITH PRIMARY FRICTIONAL FEATURES AND SECONDARY FRICTIONAL FEATURES - An orthopedic implant comprising a substrate material adapted to provide the orthopedic implant. The implant has a primary friction area located on or integral with the substrate material. The primary friction area defining an engagement surface having a primary frictional feature. A secondary friction area is located on or integral with the engagement surface and defining a second frictional feature. The primary friction area and the secondary friction area defining a friction interface zone between the orthopedic implant and at least one bone. The secondary friction area increases a friction of the engagement surface and modulus of elasticity to enhance the frictional engagement between the engagement surface and the at least one bone. | 05-08-2014 |
20140135930 | Interbody Device With Opening to Allow Packing Graft and Other Biologies - An intervertebral fusion device having a cage having an opening or window in its front wall that allows for the insertion of bone graft therethrough after the cage has been placed into the disc space. The device further has a faceplate that covers the front wall of the cage and provides features for securing bone screws to the adjacent vertebral bodies. | 05-15-2014 |
20140135931 | ENDPLATE FOR A VERTEBRAL IMPLANT - An endplate for a vertebral implant comprises a base portion connectable to one end of a support body and a bone contact portion. The bone contact portion including a plurality of bone contact sections, each of which has a bone contact surface and extends from the base portion in such a way that each of the bone contact sections is deflectable relative to the base portion independently of an adjacent one of the bone contact sections when a compressive load is applied to the bone contact surfaces of the bone contact sections. | 05-15-2014 |
20140135932 | TRANSFORAMINAL INTERSOMATIC CAGE FOR AN INTERVERTEBRAL FUSION GRAFT AND AN INSTRUMENT FOR IMPLANTING THE CAGE - This present invention concerns a transforaminal intersomatic cage for an intervertebral fusion graft, and an instrument and method for implanting the cage, an embodiment of the cage having a body in the shape of a circular arc and comprising a lateral concave surface, a lateral convex surface, a straight upper surface, a straight lower surface and an end wall having at least one hole, called the end hole, designed to receive a rod of an instrument for implanting the cage between the vertebrae, wherein:
| 05-15-2014 |
20140135933 | EXPANDABLE VERTEBRAL DEVICE WITH CAM LOCK - An expandable cage supports adjacent vertebra in spine surgery. The expandable cage includes a first supporting member configured to engage tissue and a second supporting member operatively associated with the first supporting member. The first and second supporting members are movable relative to each other. The expandable cage further includes a cam lock mechanism configured to maintain the first and second supporting members in a fixed relative position. In another embodiment, the expandable cage includes a ring plate lock mechanism in lieu of the cam lock mechanism. The ring plate lock mechanism is adapted to maintain the first and second supporting members in a fixed relative position. | 05-15-2014 |
20140135934 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, gear member and a locking assembly positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 05-15-2014 |
20140135935 | Nucleus Prosthesis - An nucleus prosthesis is disclosed having a plurality of linked segments configured to form, in a closed position, a disc shape. A method includes inserting a plurality of linked segments into an annulus fibrosus and closing the prosthesis so that a first segment inserted into the annulus fibrosus and a last segment inserted into the annulus fibrosus are substantially abutted. Another method includes inserting a plurality of linked segments into an intervertebral disc space and closing the prosthesis so that a first segment inserted into the intervertebral disc space and a last segment inserted into the intervertebral disc space are substantially abutted. | 05-15-2014 |
20140135936 | EXPANDABLE INTERBODY FUSION DEVICE - An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing wafer stack. The wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. Each wafer also includes features that interlock with the inferior plate until the wafer id dislodged by sequential introduction of another wafer. | 05-15-2014 |
20140142702 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 05-22-2014 |
20140142703 | Artificial Disc - An intervertebral artificial disc is provided with a first endplate having a plurality of protrusions for attaching to an adjacent vertebrae and an extension portion extending towards a second adjacent vertebrae. A second endplate is provided with a plurality of protrusions for attaching to a second adjacent vertebrae and an extension portion extending towards the first adjacent vertebrae. A flexible member having an upper portion and a lower portion and a slider plate positioned within the upper portion of the flexible member is also provided. The extension portion of the first endplate is adapted to fit within a first cavity in the upper portion of the flexible member and the extension portion of the second endplate is adapted to fit within a second cavity in the lower portion of the flexible member. | 05-22-2014 |
20140142704 | TRIAL INTERVERTEBRAL DISTRACTION SPACERS - An instrument for holding an intervertebral spacer is provided. The instrument includes a compression assembly and a fixed shaft forming a handle and a compression surface. The compression assembly includes a selectively engageable shaft axially movable relative to a longitudinal axis of the fixed shaft. The engageable shaft forms a hook having a surface complimentary to the compression surface to define an enclosure for engagement with an annular groove of the spacer. The compression assembly includes a compression trigger mechanically connected to the engageable shaft for axially moving the hook from a first position relative to the fixed shaft in which the enclosure engages the spacer such that the spacer is held by the enclosure to a second position relative to the fixed shaft in which the spacer is disengaged from at least one of the hook surface and the compression surface such that the enclosure disengages the spacer. | 05-22-2014 |
20140142705 | Intervertebral Fusion Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 05-22-2014 |
20140142706 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, gear member and a locking assembly positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 05-22-2014 |
20140142707 | Flexible Chain Implants and Instrumentation - A flexible chain implant for insertion into an interior volume of a vertebral body. The implant may be implanted in an insertion position for sliding through a cannula and is flexible for packing into the interior volume in an implanted configuration. The implant randomly separates in the implanted configuration. The implant includes a top member and a bottom member, wherein the top and bottom members are coupled to one another at a coupled portion. The top and bottom members preferably each include an inner surface such that the inner surfaces include a plurality of alternating projections and recesses so that the projections are received within the recesses in an insertion position. Alternatively, the implant may include a plurality of substantially non-flexible bodies and a plurality of substantially flexible links interconnecting the bodies. The non-flexible bodies include a plurality of facets and/or abutment surfaces. | 05-22-2014 |
20140142708 | SPINAL SYSTEM AMD METHOD INCLUDING LATERAL APPROACH - Embodiments of the invention include devices and methods for implanting a vertebral body spacer. A lateral surgical approach is contemplated with some disclosed procedures. Instruments of some embodiments are insertable into a disc space to achieve distraction, to determine a desired disc space height, and to select a corresponding implant. | 05-22-2014 |
20140142709 | Interbody Cage for Spinal Fusion and Method of Implanting Interbody Cages Into Spines - A spinal interbody fusion implant has an impact rod fitting that is configured and adapted to be connected to an impact rod during implantation of the implant. The implant also comprises one or more openings that are encircled by portions of the implant and that extend into the top of the implant and continue through to and out of the bottom of the implant. The top and bottom of the implant each have a load bearing footprint. Each of the load bearing footprints has a centroid that is closer to the leading end of the implant than to the trailing end of the implant. A method of implanting a spinal interbody fusion implant between two vertebrae of a spine comprises inserting the implant into a patient through a posterior incision and guiding the implant into a position between the two vertebrae using a pair of shims. | 05-22-2014 |
20140148903 | EXPANDABLE INTERBODY FUSION DEVICE WITH GRAFT CHAMBERS - An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers in interlocking engagement. The superior and inferior plates have openings therethrough in communication with aligned holes through the wafers for receipt and containment of bone graft to promote fusion between opposing vertebral bodies. One of said superior and inferior endplates has a multi-contoured opening extending therethrough. | 05-29-2014 |
20140148904 | EXPANDABLE INTERVERTEBRAL CAGE ASSEMBLIES AND METHODS - An expandable assembly for insertion into an intervertebral space is presented. The assembly, in particular aspects, includes an elongate body comprising an upper portion and a lower portion, wherein the elongate body defines an internal longitudinal channel extending from a proximal opening to a distal cavity. The assembly may include an expander that is sized and shaped for insertion into the distal cavity, thereby selectively expanding the upper portion away from the lower portion. The elongate body may also include one or more bone graft windows a cap that is sized and shaped for insertion into the proximal opening. | 05-29-2014 |
20140148905 | INTERVERTEBRAL IMPLANT WITH FIXATION GEOMETRY - An intervertebral spacer implant ( | 05-29-2014 |
20140148906 | SPACERLESS ARTIFICIAL DISC REPLACEMENTS - Spacerless artificial disc replacements (ADR) are disclosed. One preferred embodiment includes two saddle-shaped components to facilitate more normal spinal flexion, extension, and lateral bending while limit axial rotation, thereby protecting the facet joints and the annulus fibrosus (AF). Either or both of the superior and inferior components are made of a hard material such as chrome cobalt, titanium, or a ceramic including alumina, zirconia, or calcium phosphate. The articulating surfaces of the ADR are also preferably highly polished to reduce friction between the components. Metals, alloys or other materials with shape-memory characteristics may also prove beneficial. | 05-29-2014 |
20140148907 | STEERABLE SPINE IMPLANT INSERTION DEVICE AND METHOD - A method to insert a spinal implant into a vertebral space, the method including the steps of: grasping the implant with a distal end of an implant insertion tool; holding a proximal end of the implant insertion tool and inserting the implant toward the vertebral space; and manipulating the proximal end to apply a yaw movement to the implant while the implant is attached to the tool and in the vertebral space. | 05-29-2014 |
20140148908 | SYSTEMS AND METHODS FOR SPINAL FUSION - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 05-29-2014 |
20140156007 | Expandable Cage for the Intercorporal Fusion of Lumbar Vertebrae - An expandable cage for intercorporal fusion of lumbar vertebrae comprises a main body with two expandable parallel arms. Each arm has a supporting surface pointing outside and configured to contact an adjacent vertebral body, a groove pointing inside and extending along a transverse direction, and a channel pointing inside and extending along a longitudinal direction. An expansion element is instrument actuated and presses the arms apart expanding the cage. The expansion element is between the arms and comprises a cylindrical base body, two opposing radially aligned ribs on the base body, and a rectangular plate. Both the base body and ribs have curved, pair-wise opposed bearing surfaces. Depending on the cage's expansion state, either the base body bearing surfaces or the rib bearing surfaces contact channels provided in the arms, while the plate engages in the grooves of the arms. | 06-05-2014 |
20140156008 | SPINAL IMPLANT ALIGNMENT GUIDE SYSTEMS - Systems for improved methods of performing a spinal fusion procedure that include an implant having an alignment guide system. The alignment guide system may include one or more guide lines configured to provide a visual indication when the implant is properly aligned within the disc space. In some embodiments, the system includes one or more tamp levelers that also aid with the proper alignment of the implant within the disc space. | 06-05-2014 |
20140156009 | INTERBODY DEVICE AND PLATE FOR SPINAL STABILIZATION AND INSTRUMENTS FOR POSITIONING SAME - Systems, methods and devices for providing stabilization between first and second vertebrae are provided. More particularly, in one form a system includes an implant configured to be positioned in a disc space between the first and second vertebrae and a freestanding plate for engagement with extradiscal surfaces of the first and second vertebrae. The system also includes an insertion instrument with an engaging portion configured to releasably engage with the implant and the plate such that the implant and plate can be positioned together relative to the first and second vertebrae. In one aspect, an angular orientation of the implant relative to the plate is adjustable when the implant and the plate are engaged by the instrument. In this or another aspect, the implant and plate are held in a contiguous relationship when engaged by the instrument. However, different forms and applications are also envisioned. | 06-05-2014 |
20140156010 | INTERBODY VERTEBRAL PROSTHETIC AND ORTHOPEDIC FUSION DEVICE WITH SELF-DEPLOYING ANCHORS - A method of inserting an intervertebral prosthesis into an intervertebral space between respective endplates of adjacent first and second vertebral bones of a spine, includes: placing the intervertebral prosthesis into the intervertebral space, the intervertebral prosthesis including: a body including first and second spaced apart major surfaces and at least one sidewall extending therebetween, the first major surface for engaging the endplate of the first vertebral bone, and the second major surface for engaging the endplate of the second vertebral bone, and the first and second major surfaces defining a longitudinal axis extending substantially normal to said surfaces; and simultaneously pushing at least three anchoring elements from within the body of the intervertebral prosthesis out through at least three respective apertures in the body and into at least one of the first and second vertebral bones, without rotating the at least one anchoring element about an axis thereof. | 06-05-2014 |
20140163684 | Arcuate Fixation Member - Arcuate fixation members with varying configurations and/or features are provided, along with additional components for use therewith in provided intervertebral implants. The arcuate fixation members may be of different lengths, cross sectional geometries, and/or cross sectional areas. Applications of intervertebral implants utilizing arcuate fixation members are particularly suitable when a linear line-of-approach for delivering fixation members is undesirable. | 06-12-2014 |
20140163685 | Transforaminal Prosthetic Spinal Disc Apparatus - An intervertebral prosthetic implant having a first endplate having a first surface configured to substantially engage with a first vertebral body and a second surface having an extension with a concave contact surface, the concave contact surface being spaced apart from the second surface. A second endplate is provided with a first surface configured to substantially engage with a second vertebral body and a second surface comprising a convex contact surface, and the second endplate having a securing element positioned along and above the second surface defining a first and second window on opposing sides of the second surface. The securing element extends along the width and length of the lower endplate and configured with an access hole. An extension portion extends from the first surface of the first endplate through the access hole of the securing element and contacts the second surface of the second endplate. | 06-12-2014 |
20140163686 | MINIMALLY INVASIVE INTERVERTEBRAL STAPLE DISTRACTION DEVICES - Multiple, small, staple-like supports are inserted through a small tube into the disc space then rotated into position on the edge of the vertebral bodies. The tooth-like geometry of the proximal and distal faces of these staples mates with the outer edge of the vertebral body, extending past the front of the endplate anteriorly. The staples have teeth that dig into the endplate on the inside of the rim as well. | 06-12-2014 |
20140172101 | Expandable Spacer and Method of Use Thereof - An expandable implant is disclosed having an adjustable height for insertion between two adjacent bony structures or joint surfaces, for example between two adjacent spinal vertebrae. The implant includes at least one gear associated with at least one threaded shaft. Rotation of the gear engages the threaded shaft to expand the implant. The implant can be inserted in a collapsed configuration and expanded in situ. The invention also provides methods for using the implant to facilitate arthrodesis or fusion of adjacent joint surfaces or spinal vertebrae. | 06-19-2014 |
20140172102 | SYSTEMS AND METHODS FOR REDUCING PRESSURE WITHIN A SPINAL DISC - Systems and methods for reducing pressure within a spinal disc are described. In accordance with one implementation, a spinal disc system comprises an aperture within a spinal disc body, and the aperture is configured to permit nucleus pulposus to flow from the disc body through the aperture. In accordance with another implementation, a method of reducing pressure within a spinal disc comprises forming an aperture within a spinal disc body, and permitting at least a portion of the nucleus pulposus to flow from the disc body through the aperture. | 06-19-2014 |
20140172103 | Polyaxial Intervertebral Cage - An intervertebral fusion cage having a first polyaxial joint portion adapted to connect to a corresponding polyaxial joint portion on an inserter so as to form an insertion assembly adapted for polyaxial movement. This assembly allows the cage to be laterally inserted into the problematic lower disc spaces of the spine in a manner such that the cage is desirably substantially parallel to the vertebral endplates upon entry. | 06-19-2014 |
20140172104 | INSTRUMENT FOR INSERTION AND DEPLOYMENT OF AN IMPLANT - An exemplary surgical instrument for inserting a spinal implant includes an inserter portion, a coupling member, a first actuator, and a second actuator. The inserter portion includes at a proximal end a receiving block, at a distal end a sleeve, and a channel extending therethrough. The coupling member includes at a proximal end movably coupled with the receiving block, a middle portion that slides within the channel, a distal end that couples the spinal implant, and a first axial bore extending therethrough. The first actuator includes a proximal end with a first projection for engaging the receiving block, a first shaft extending through the first axial bore, and a distal end with a first engagement feature for engaging a first deployment feature of the implant. The second actuator includes a proximal lend with a second projection for engaging the receiving block, a second shaft extending through a second axial bore of the first shaft, and a distal end with a second engagement feature for engaging a second deployment feature of the implant. | 06-19-2014 |
20140172105 | Polyaxial Articulating Instrument - A polyaxial instrument suitable for preparing the intervertebral disc space of a patient through an anterior, posterior, transforaminal or anterolateral approach. The trial can be partially inserted into a disc space and then its angle adjusted to ease its further insertion into the disc space. The trial work tip can be interchangeable with the working tip of another type of instrument such as a curette, a rasp, a spreader, a shaver, a cobb elevator, a penfield, a woodson, a chisel and an osteotome. | 06-19-2014 |
20140172106 | INTERVERTEBRAL SCAFFOLDING SYSTEM - An intervertebral scaffolding system is provided having a central beam having a proximal portion having an end, a grafting portion having a top and a bottom, a distal portion having a end, a central beam axis, a graft distribution channel having an entry port at the end of the proximal portion, a top exit port at the top of the grafting portion, and a bottom exit port at the bottom of the grafting portion. These systems can also include a laterovertically-expanding frame operable for a reversible collapse from an expanded state into a collapsed state. The expanded state, for example, can be configured to have an open graft distribution window that at least substantially closes upon the reversible collapse. | 06-19-2014 |
20140172107 | BIOMEDICAL IMPLANT INSERTERS AND RELATED APPARATUS, SYSTEMS, AND METHODS - Embodiments of apparatus, systems, and methods relating to spinal implants. In some embodiments, the spinal implant may comprise a first sidewall, a second sidewall opposite from the first sidewall, a pair of opposed frictional surfaces each comprising a plurality of raised structures, a first end wall joining the pair of opposed sidewall surfaces, and a second end wall joining the first sidewall and the second sidewall. The second end wall may comprise a recess formed by a first wall portion and a second wall portion arranged at an angle to one another to form a fish-tailed structure configured to be engaged with an inserter instrument. The interface between the recess and the inserter instrument may be configured to at least substantially eliminate any point or line contacts between the inserter instrument and the spinal implant during a flip maneuver of the spinal implant within an intervertebral space of a patient. | 06-19-2014 |
20140172108 | Intervertebral Implant - An intervertebral implant having an upper and a lower closing plate designed to engage the vertebral end plates. The implant has a deformable body between the closing plates. Between the deformable body and closing plates are cover plates. A plurality of fiber windings run between the cover plates to hold together the cover plates and the deformable body. | 06-19-2014 |
20140172109 | INSTRUMENTS FOR REORIENTING VERTEBRAL BONES FOR THE TREATMENT OF SCOLIOSIS - An orthopedic device set, including: a plurality of intervertebral spacer elements, each spacer element having a different axial thickness from each other element, the axial thicknesses being selected to increase by an increment from one element to another; and an instrument for holding ones of the intervertebral spacer elements, the instrument comprising a shaft having a distal end, a selectively grasping subassembly for alternatively rigidly holding each spacer element at the distal end so that the spacer element cannot move relative to the instrument, and releasing the spacer element. | 06-19-2014 |
20140172110 | FEMORAL RING LOADER - An instrument for inserting an implant between vertebral bodies, including a holder adapted to hold the implant during insertion of the implant between the vertebral bodies, a retractor adapted to retract the holder away from the implant after the insertion, and a guard adapted to prevent the implant from being removed from between the vertebral bodies during the retraction. | 06-19-2014 |
20140180416 | SYSTEM, METHOD AND APPARATUS FOR SIMULATING INSERTIVE PROCEDURES OF THE SPINAL REGION - Sensor information is received that indicates insertion of an insertion mechanism into a mechanical body. A virtual representation of the spinal region is generated. The insertion mechanism is represented graphically, as part of the virtual representation, as the insertion mechanism is inserted into the mechanical body | 06-26-2014 |
20140180417 | INTERBODY VERTEBRAL PROSTHETIC DEVICE WITH BLADE ANCHOR - An intervertebral implant includes a body and a plate The body has an upper surface defining an upper plane and a lower surface defining a lower plane. First and second fastener holes of the plate are configured to retain the heads of first and second fasteners. A portion of each of the shanks of the first and second fasteners extends from the first and second fastener holes beyond the upper plane. The shank portions of the first and second fasteners are curved in a direction away from the upper surface. The third fastener hole is configured to retain the head of the third fastener between the upper and lower planes. A portion of the shank of the third fastener extends from the third fastener hole beyond the lower plane. The shank portion of the third fastener is curved in a direction away from the lower surface. | 06-26-2014 |
20140180418 | Device For Securing An Implant To Tissue - An implant device is provided for implantation within an intervertebral space between adjacent vertebrae comprising an implant body, a rotatable portion and a piercing portion configured to pierce the adjacent vertebra. | 06-26-2014 |
20140180419 | CONTINUOUSLY HEIGHT-ADJUSTABLE INTERVERTEBRAL FUSION IMPLANT - The invention relates to an intervertebral fusion implant for fusing two adjacent vertebrae, comprising a base piece and a cover piece and also a spreading means, wherein the base piece and the cover piece are connected by a rocker which is situated therebetween and externally coupled, and the spreading means is a spreader clip on the rocker and a drive device is provided for the spreader clip. The spreader clip is used to erect the rocker such that the implant expands in terms of height. As a result of the external coupling of the rocker, a large lifting travel is available. Furthermore, the spreader clip has a blocking effect in relation to an unwanted return as a result of the frictional forces thereof. | 06-26-2014 |
20140180420 | TISSUE ENGINEERED FIBROCARTILAGE REPLACEMENT - Fibrocartilage implants characterized by circumferential fiber networks embedded in arcuate or torroidal scaffolds with orthogonal fiber networks embedded therein to prevent separation of the circumferential fiber networks. The fiber networks convert axial compressive forces on the scaffolds to tensile loads on the circumferential fibers. Artificial knee meniscus and vertebral disc implants are disclosed, as well as articular disc implants for joints such as the temporomandibular joint and wrist. Methods for implanting the fibrocartilage devices are also disclosed. | 06-26-2014 |
20140180421 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-26-2014 |
20140180422 | Low Profile Plate - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 06-26-2014 |
20140180423 | SYSTEM AND METHODS FOR SPINAL FUSION - A spinal fusion system and related methods involve the use of a spinal fusion implant of non-bone construction. The spinal fusion implant is particularly suited for introduction into the disc space via a lateral approach to the spine. | 06-26-2014 |
20140188224 | LATERALLY EXPANDABLE INTERVERTEBRAL FUSION IMPLANT - The invention relates to an intervertebral fusion implant for fusing two adjacent vertebrae, comprising an adjustable support body, the base surface and cover surface of which are configured to bear on end plates of the adjacent vertebrae, wherein provision is made for a side bracket, which can be pivoted laterally about a hinge and the base and cover of which have a planar design, and provision is made for an actuator for pivoting out the side bracket into a position (working position) spread from the support body. As a result, the implant has particularly small dimensions and can, after assembly at the envisaged implantation site, be actuated in such a way that it becomes larger and thereby affords a larger support surface for support in the intervertebral space. Thus, even comparatively large-area defects can be treated by minimally invasive surgery. | 07-03-2014 |
20140188225 | INTERVERTEBRAL CAGE EXPANDABLE IN STEPS - An intervertebral fusion implant for fusion of two adjacent vertebrae, comprising a base piece and a cover piece, which are each designed to bear on a facing end plate of one of the adjacent vertebrae, wherein the cover piece is adjustable in height with respect to the base piece, wherein a ratchet mechanism, provided between base piece and cover piece, effects a stepped adjustment of height and secures an adopted height against reversal. In this way, a defined expansion can be achieved that is dependent on the number of actuations. A precise control of the state of expansion is permitted, specifically in a purely haptic manner. Moreover, a locking of the adopted state of expansion is achieved with the ratchet mechanism. | 07-03-2014 |
20140188226 | INTERBODY INSERTION TOOL AND METHOD - An interbody insertion tool and cage for use during an interbody spinal fusion procedure is disclosed. In one aspect, the tool comprises a rod centrally located within the tool that has the ability to remain attached to the cage to aid in: coupling the tool to the cage, release of the tool from the cage, alignment of additional hardware, and insertion of materials within the hollow of the cage. | 07-03-2014 |
20140188227 | Fibrous Scaffold for Use in Soft Tissue Engineering - The present invention relates to a fibrous scaffold for use as a substrate in soft tissue applications, in particular for preparing annulus fibrosus (AF) tissue. In aspects, the present invention also relates to an engineered biological material comprising AF tissue; constructs comprising one or more engineered biological materials; methods for producing the biological materials and constructs; and methods of using the biological materials and constructs. | 07-03-2014 |
20140188228 | SPINAL IMPLANT APPARATUS AND METHODS - A method of inserting and positioning an intervertebral spacer is provided. The spacer includes a longitudinal axis, an on-axis interface coincident with or parallel to the longitudinal axis, and an off-axis interface angled to the longitudinal axis. The spacer's front end may be curved. The method may include inserting the spacer into the disc space utilizing a tool to engage an on-axis interface and then to engage one or more of the off-axis interfaces, which may be used for further modification of the spacer. The tool is moved substantially along a single insertion direction, which may be substantially parallel to a posterior-anterior axis of the disc space. The method may result in the longitudinal axis of the spacer being perpendicular to the insertion direction, or substantially parallel to a medial-lateral axis of the disc space. The spacer may also be positioned in an anterior aspect of the disc space. | 07-03-2014 |
20140194992 | EXPANDABLE INTERBODY (LATERAL, POSTERIOR, ANTERIOR) MULTI-ACCESS CAGE FOR SPINAL SURGERY - An interbody cage can be utilized in a multi-access approach. Such a device can be inserted in an MIS exposure and then can be expanded insitu. Such a multi access device can expand in width to cover a larger area for fusion to occur. Such device includes a unique feature that allows for the graft material to stay in place upon deployment. Such a cage device can be configured with four graft boxes that can be filled with allograft or autograft material to allow for fusion to occur. Along with the graft boxes, such a cage can also be configured with a unique feature in the posterior piece of the device that has small cut outs or ports to allow for moldable allograft material to be injected through the inserter device. | 07-10-2014 |
20140194993 | PERCUTANEOUS ARTHRODESIS METHOD AND SYSTEM - A method and system for percutaneous fusion to correct disc compression is presented. The method has several steps, for instance, inserting a percutaneous lumbar interbody implant; positioning guide wires for each facet screw to be implanted; performing facet arthrodesis in preparation for the facet screws; fixating the plurality of facet screws; and optionally performing foramen nerve root or central decompression. The system includes an implant, an elongate cannulated insertion tool, and an elongate lockshaft positioned within the insertion tool. | 07-10-2014 |
20140194994 | Intervertebral Fusion Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 07-10-2014 |
20140200668 | IMPLANT SYSTEM HAVING A MULTIFUNCTIONAL INSERTER AND COMPLEMENTARY IMPLANT - An implant system having an inserter or implant-drill guide defining a plurality of overlapping bores or elongated passageways. The inserter or implant-drill bit guide provides a drill jig for defining a complementary-shaped drilled-out area in the first and second vertebra. The implant comprises a plurality or lobes or lobate shapes that are adapted in size to be snugly fit into the implant receiving area. | 07-17-2014 |
20140200669 | INTERVERTEBRAL CAGE WITH ANTERIOR FIXATION AND STABILIZATION - A spinal implant. The spinal implant includes a spacer having an upper surface for contacting a superior vertebral body, a lower surface for contacting an inferior vertebral body, a first insertion end portion, and a second end portion opposite the first insertion end portion; a fixation frame coupled to the second end portion of the spacer and including a bridge portion oriented substantially coplanar with the spacer and at least one arm extending from the bridge portion; and at least one fixation element having a first insertion end for penetrating the superior or inferior vertebral bodies and a second end coupled to the at least one arm of the fixation frame. | 07-17-2014 |
20140200670 | SYSTEM AND METHOD FOR A SPINAL STABILIZATION IMPLANT ASSEMBLY - A spinal stabilization implant assembly includes a first cervical stabilization plate comprising an elongated body having a top portion and a bottom portion, and a second cervical stabilization plate comprising an elongated body having a top portion and a bottom portion. The bottom portion of the first cervical stabilization plate is attached to a first vertebra and the top portion of the second stabilization plate is stacked end-to-end below the bottom portion of the first cervical stabilization plate and is attached to the same first vertebra. The top portion of the first cervical stabilization plate is attached to a second vertebra, and the bottom portion of the second stabilization plate is attached to a third vertebra. The second vertebra is superior to the first vertebra, and the third vertebra is inferior to the first vertebra. | 07-17-2014 |
20140200671 | RETAINING MECHANISM, IMPLANT, AND TOOL - A retaining mechanism is disclosed, which comprises a plate including a first surface adapted to engage with an implant and a second opposing surface, the plate having mechanically-weakened areas, such that the plate is compressible from a first dimension to a second reduced dimension via the weakened areas, wherein the plate includes at least one ledge adapted to engage with a recess in the implant to prevent a fixation member inserted into the implant from backing out. A tool is also disclosed for compressing and inserting the retaining mechanism into engagement with the implant, as are respective methods of compression and insertion of the retaining mechanism into engagement with the implant. | 07-17-2014 |
20140200672 | ANNULUS PLUG FOR INTERVERTEBRAL DISC REPAIR - A device for intervertebral disc repair includes a cannulated screw having a head and a shaft, a plug defining an aperture, and an intervertebral spacer. The screw is configured to be placed through the aperture and into engagement with the spacer. A kit includes the device, a guide wire connectable with the spacer, and a bone tamp. Methods of using the device and kit are provided. | 07-17-2014 |
20140207235 | EXPANDABLE ALLOGRAFT CAGE - A spinal implant for insertion into and positioning in an intervertebral space is provided. The spinal implant includes an intervertebral cage having at least two cage ends and a spacer for insertion into the intervertebral cage between the at least two cage ends, the spacer configured to distract the intervertebral space to a desired height. The intervertebral cage and spacer comprise bone, and in some embodiments, allograft bone. A method for fusing two adjacent vertebrae utilizing the intervertebral allograft cage and spacer is also provided. | 07-24-2014 |
20140207236 | EXPANDABLE SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant includes a first member having a wall that defines an axial cavity. A second member extends between a first end and a second end and defines a longitudinal axis. The second member is configured for disposal with the axial cavity and translation relative to the first member. A third member has an outer surface engageable with tissue and an inner surface disposed to dynamically engage the first end in response to the engagement of the outer surface with the tissue. Systems and methods are disclosed. | 07-24-2014 |
20140207237 | Porous Biocompatible Polymer Material and Methods - Embodiments described include devices and methods for forming a porous polymer material. Devices disclosed and formed using the methods described a spacer for spinal fusion, craniomaxillofacial (CMF) structures, and other structures for tissue implants. | 07-24-2014 |
20140207238 | EXPANDABLE CAGE - An apparatus supports the spine between vertebrae and promotes spinal fusion. The apparatus generally includes a first supporting member, a second support member, and an expansion member. The first support member has a first longitudinal passage extending therethrough, a first supporting end configured to engage tissue, and a rack configured to engage a tool. The second supporting member contains a second longitudinal passage extending therethrough and a second supporting end configured to engage tissue. The second longitudinal passage is dimensioned to receive at least a portion of the first supporting member. The first and second supporting members are configured to move with respect to each other. The expansion member is removably positioned between the first and second supporting members and is adapted to maintain the first and second supporting members in a fixed relative position. | 07-24-2014 |
20140207239 | LATERAL APPROACH EXPANDABLE SPINAL IMPLANT AND METHOD - An expandable interbody fusion device configured for placement into the intradiscal space between vertebral bodies in a lumbar spine from a lateral approach. The device is expanded by the insertion of a plurality of wafers into the device in situ. The length of the device is configured to extend on the vertebral body endplate from pedicle to pedicle and to reside interiorly of the ring apophysis with at least a portion of the device resting on the area of increased bone density at the posterior portion of the endplate between the pedicles. | 07-24-2014 |
20140214166 | SPINAL IMPLANTS, SPINAL IMPLANT KITS, AND SURGICAL METHODS - A spinal implant includes a body, plate, and bone screws. The body includes a first wall having second and third walls joined thereto to define legs. In an embodiment, the body and plate are of unitary construction. In alternative embodiments, the body is formed from a first material and is configured for positioning between vertebral bodies. In other embodiments, the body is separate from the plate. The plate has a main portion and a flange. The main portion has a first screw hole oriented towards the first vertebral body at an oblique angle relative to the horizontal axis of the body. The flange has a second screw hole oriented towards the second vertebral body and substantially parallel to the horizontal axis. The flange is coupled to the main portion and extends past the main portion. Each bone screw is insertable through a screw hole of the plate for attachment to bone. A kit including a body, bone screws, and a plurality of different plates is also provided. | 07-31-2014 |
20140214167 | SPINAL IMPLANTS, SPINAL IMPLANT KITS, AND SURGICAL METHODS - A spinal implant includes a body, plate, and bone screws. The body includes a first wall having second and third walls joined thereto to define legs. In an embodiment, the body and plate are of unitary construction. In alternative embodiments, the body is formed from a first material and is configured for positioning between vertebral bodies. In other embodiments, the body is separate from the plate. The plate has a main portion and a flange. The main portion has a first screw hole oriented towards the first vertebral body at an oblique angle relative to the horizontal axis of the body. The flange has a second screw hole oriented towards the second vertebral body and substantially parallel to the horizontal axis. The flange is coupled to the main portion and extends past the main portion. Each bone screw is insertable through a screw hole of the plate for attachment to bone. A kit including a body, bone screws, and a plurality of different plates is also provided. | 07-31-2014 |
20140214168 | INTERVETERBRAL DISC PROSTHESIS INSERTION ASSEMBLIES - In various embodiments, an intervertebral disc prosthesis is provided. The prosthesis may be provided with an insertion adapter, such as a head, holder, or other carrier of the prosthesis. The insertion adapter may be configured to retain the prosthesis and to engage an insertion tool body. In various embodiments, the prosthesis and the insertion holder are provided in a sterile pack, with the prosthesis components and the insertion holder sterilized and packaged in one or more types or layers of sterile packaging. In various other embodiments, the prosthesis and an insertion tool are provided in a sterile pack, with the prosthesis components and the insertion tool sterilized and packaged in one or more types or layers of sterile packaging. | 07-31-2014 |
20140222152 | IMPLANTABLE INTERVERTEBRAL DISC DEVICES AND USES THEREOF - Provided herein are implantable intervertebral disc devices, and methods of making the same. For example, an implantable intervertebral disc device comprises an engineered annulus fibrosus (AF) scaffold that can mimic its native-like cross alignment of pores/channels within the AF region, and can be served as a scaffolding material for cell and matrix alignment. Accordingly, methods of treating a disease or disorder associated with degeneration of an intervertebral disc in a subject are also provided herein, e.g., by replacing the degenerated intervertebral disc of the subject with an implantable intervertebral disc device described herein. | 08-07-2014 |
20140236299 | POROUS COMPOSITE BIOMATERIALS AND RELATED METHODS - Synthetic composite materials for use, for example, as orthopedic implants are described herein. In one example, a composite material for use as a scaffold includes a thermoplastic polymer forming a porous matrix that has continuous porosity and a plurality of pores. The porosity and the size of the pores are selectively formed during synthesis of the composite material. The example composite material also includes a plurality of a anisometric calcium phosphate particles integrally formed, embedded in, or exposed on a surface of the porous matrix. The calcium phosphate particles provide one or more of reinforcement, bioactivity, or bioresorption. | 08-21-2014 |
20140236300 | IMPLANTABLE VERTEBRAL FRAME SYSTEMS AND RELATED METHODS FOR SPINAL REPAIR - A system for performing surgical repair of the spine includes a distractor and a permanently implanted bone plate system. A surgical repair methodology is also disclosed that employs an implanted bone plate system with a substantially void internal volume which is attached to adjacent vertebrae subsequent to the distraction and adjustment of curvature of the vertebrae and prior to the excision of disc and/or end plate tissue through the bone plate. The device further facilitates the subsequent delivery of an interbody repair device for the purpose of either fusion or dynamic stabilization, such as by disc arthroplasty. The plate may be permanently implanted, such as when a fusion between the attached vertebral bodies is desired, but it need not be permanently implanted. | 08-21-2014 |
20140236301 | Systems and Apparatuses for Inserting an Implant in Intervertebral Space - Systems and tools for inserting and securing an implant within the intervertebral space. An intervertebral disc implant with upper and lower bearing members with an articulation interface between the members for providing relative motion therebetween. The implant may be provided with various securing members for fixing the implant within the intervertebral space. A tool may be used to insert the implant, which includes a plurality of shiftable implant engaging members that are shiftable between non-engaging and engaging configurations to alternatively release or hold the implant. | 08-21-2014 |
20140243981 | Expandable Intervertebral Implant - A joint spacer for therapeutically maintains separation of bones of a joint. A frame defines a longitudinal axis extending between distal and proximal ends. A carriage is slideably retained within the frame and has at least one ramped surface and a threaded portion. An actuator screw is threadably engaged with the threaded portion, and bears against said frame to cause the carriage to slideably move within the frame when the actuator screw is rotated. A first endplate engages a bone of the joint, and has at least one ramped surface that is mateable with the ramped surface of the carriage. | 08-28-2014 |
20140243982 | Expandable Intervertebral Implant, System, Kit and Method - An implant includes a first plate and a second plate, a first wedge member and a second wedge member spaced from the first wedge member that couple the first and second plates together. The first and second wedge members configured to translate along the first and second plates from a first contracted configuration into a second separated configuration. The implant includes an actuation member coupled to the first wedge member and the second wedge member. The actuating member defines a flange extending toward the first and second plates. The actuation member configured to move the first and second wedge members from the first contracted configuration into the second separated configuration so that the first and second plates separate from each other. | 08-28-2014 |
20140243983 | INSERTION TOOLS AND METHODS FOR MINIMALLY INVASIVE SPINAL FUSION CAGE - An intervertebral support insertion tool includes a tube having a distal open end for insertion in a patient proximate vertebra and a proximal open end. A shaft is received in the tube proximal open end and has a distal intervertebral support interface for engaging an intervertebral support loaded into the tube. A housing supports the tube and shaft with a first drive mechanism such a linear actuator advances the shaft in the tube. A second drive mechanism such as a rotational drive rotates the shaft. In this way the shaft advances and rotates the intervertebral support to position and deploy it between adjacent vertebrae. | 08-28-2014 |
20140243984 | IMPLANT AND IMPLANT ASSEMBLY - An implant configured to be placed in a living body to be expansively deformed and contractively deformed comprises a first layer that forms a filling unit that is configured to be filled with a filling material to maintain an expanded state of the implant, the first layer comprising a porous membrane; a second layer that covers the first layer, the second layer comprising at least one of (i) a fluid-impermeable membrane, and (ii) a gas-permeable porous membrane that is impermeable by liquids or gels; and an introduction port that communicates with the filling unit and is configured to introduce the filling material into the filling unit. An introduction region is formed between the first layer and the second layer, the introduction region being configured to receive a fluid permeating the first layer when the filling material is introduced into the filling unit. | 08-28-2014 |
20140243985 | Intervertebral Implant - An intervertebral implant having a three-dimensional body ( | 08-28-2014 |
20140249630 | Articulating Expandable Intervertebral Implant - A spacer for separating bones of a joint includes a frame and a carriage. The carriage has ramped surfaces, and is slideably moveable in relation to the frame. A screw support is moveably connected to the frame to form a changeable angular orientation with respect to the frame. An actuating screw is supported by the screw support, and is connected to the carriage to cause the carriage to slideably move in relation to the frame when the actuating screw is rotated. Opposing endplates are configured to engage opposing bone of the joint, and each has ramped surfaces mateable with the ramped surfaces of the carriage. When the carriage is moved by rotation of the actuating screw, the ramped surfaces of the carriage and the endplates slide against each other, causing the endplates to move relatively apart, to increase the height of the spacer. | 09-04-2014 |
20140249631 | Articulating Expandable Intervertebral Implant - A spacer for separating bones of a joint, the spacer includes a frame having a longitudinal axis, and ramped surfaces. An endplate configured to engage a bone of the joint has ramped surfaces mateable with the ramped surfaces of the frame. When the endplate is moved relative to the frame in a direction along the longitudinal axis of the frame, the endplate is moved in a direction away from the frame to increase the height of the spacer. A second endplate configured to engage a second bone of the joint can be similarly configured. | 09-04-2014 |
20140249632 | Articulating Expandable Intervertebral Implant - A spacer for separating bones of a joint, the spacer includes a frame having a longitudinal axis, and ramped surfaces. An endplate configured to engage a bone of the joint has ramped surfaces mateable with the ramped surfaces of the frame. When the endplate is moved relative to the frame in a direction along the longitudinal axis of the frame, the endplate is moved in a direction away from the frame to increase the height of the spacer. A second endplate configured to engage a second bone of the joint can be similarly configured. | 09-04-2014 |
20140249633 | NON-SOFT TISSUE REPAIR - An implant for filling and/or distracting a body region, particularly a non-soft tissue cavity, has a plurality of segments wherein at least two of the segments are flexibly connected. The segments have a crush-strength sufficient to create and/or maintain the distraction of two or more non-soft tissue body surfaces, and to maintain the stability of the body region. The implant may be inserted into a cavity by an applicator having a cannula with a distal opening, and a rotary driver for applying force to move the implant within the cannula. | 09-04-2014 |
20140249634 | TISSUE PROSTHESIS INSERTION SYSTEM AND METHOD - A tissue prosthesis insertion system ( | 09-04-2014 |
20140249635 | SYSTEM AND METHOD FOR INSTALLING AN ANNULAR REPAIR RIVET THROUGH A VERTEBRAL BODY PORT - A two part annulus repair rivet for repairing a defect in the annulus of an intervertebral disc includes a first part delivered through a port and adapted to be positioned at an internal surface of an annulus adjacent a defect and a second part adapted to be positioned on an external surface of the annulus adjacent the defect. The first and second parts are secured together, repairing the defect. | 09-04-2014 |
20140249636 | FORCEPS FOR GRIPPING AN INTERVERTEBRAL IMPLANT, A KIT, AND A MANIPULATOR ASSEMBLY FOR MANIPULATING SUCH FORCEPS - A forceps ( | 09-04-2014 |
20140257487 | Low Profile Plate - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 09-11-2014 |
20140257488 | DISTRACTION/COMPRESSION POSTERIOR ROD SYSTEM - A spinal fixation device that includes a first engagement member. The first engagement member includes a first body and at least one extension. The first body includes a first aperture for receipt of a fastener. The at least one extension extends outwardly from the first body. Also included in the device, a second engagement member including a second body and a threaded extension that extends from the second body. The second body includes a second aperture for receipt of a fastener. Further, an expansion ring including a first end and a second end is included. The first end includes a threaded surface in threaded communication with the threaded extension. The second end is in rotatable communication with the at least one extension of the first engagement member. Where a torque is applied to the expansion ring, the second engagement member moves with respect to the first engagement member. | 09-11-2014 |
20140257489 | METHOD AND APPARATUS FOR MINIMALLY INVASIVE INSERTION OF INTERVERTEBRAL IMPLANTS - A dilation introducer for orthopedic surgery is provided for minimally invasive access for insertion of an intervertebral implant. The dilation introducer may be used to provide an access position through Kambin's triangle from a posterolateral approach. A first dilator tube with a first longitudinal axis is provided. A second dilator tube may be introduced over the first, advanced along a second longitudinal axis parallel to but offset from the first. A third dilator tube may be introduced over the second, advanced along a third longitudinal axis parallel to but offset from both the first and the second. An access cannula may be introduced over the third dilator tube. With the first, second, and third dilator tubes removed, surgical instruments may pass through the access cannula to operate on an intervertebral disc and/or insert an intervertebral implant. The access cannula may have a substantially rectangular cross-section. | 09-11-2014 |
20140257490 | Angling Inserter Tool For Expandable Vertebral Implant - The present invention relates to a method of inserting an implant comprising providing an expandable vertebral implant. The method further may comprise providing an angling inserter tool. The angling inserter tool comprises a handle portion, a base portion, and a tip assembly, the base portion being disposed between the handle portion and the tip assembly. The method further may comprise distally advancing a central shaft of the tip assembly with rotation into an opening in the expandable vertebral implant to secure the angling inserter tool to the expandable vertebral implant. The method further may comprise positioning the expandable vertebral implant in a patient's spine. The method further may comprise for causing the tip assembly to angulate with respect to a longitudinal axis of the angling inserter tool, wherein the internal shaft is coaxial with an outer cylinder of the base portion. | 09-11-2014 |
20140257491 | ORTHOPAEDIC IMPLANTS AND PROTHESES - The present invention provides cervical implant ( | 09-11-2014 |
20140257492 | ANTERIOR HYBRID IMPLANT - An implant configured for placement through an anterior surgical approach made of at least two different materials. The implant may include materials with varying radiolucency and mechanical properties. Such a hybrid implant may offer controlled radiographic visibility and optimized structural properties for implant placement, including placement for use in spinal arthrodesis. | 09-11-2014 |
20140257493 | ARTIFICIAL INTERVERTEBRAL DISC WITH LOWER HEIGHT - An intervertebral disc is provided having an upper plate, a lower plate, and a core. The upper and lower plates include outer vertebral body contacting surfaces which are provided with attachment enhancing features to ensure bone integration. The attachment enhancing features shown include one or more fins, serrations and teeth. An opposite surface of the plates from the vertebral body contacting surfaces is formed with a recess which serves as a bearing surface for the core. In order to form an intervertebral disc with a lower disc height, at least one of the recesses is provided opposite a corresponding dome shaped portion on the vertebral body contacting surfaces. This allows the plates to be formed with a thinner profile for a smaller overall disc height. In addition to providing a lower overall height to the artificial disc, the dome shaped portion of the plates also provides a more anatomically shaped outer vertebral body contacting surface. | 09-11-2014 |
20140277476 | EXPANDABLE INTERBODY FUSION DEVICE WITH GRAFT CHAMBERS - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of expansion members or wafers in interlocking engagement. The expansion members are formed to each have a generally U-shaped rearward facing opening. The superior and inferior endplates have openings through their outer surfaces in at least partial alignment and communication with the rearward facing openings of the expansion members. The inferior endplate has a fully bounded cavity for telescoping receipt of the superior endplate. The inferior endplate also has a fully bounded channel extending through the rear endwall thereof in direct communication with the rearward facing opening of at least one expansion member for the receipt of bone graft material into the device to promote fusion between opposing vertebral bodies of the spine. | 09-18-2014 |
20140277477 | Apparatus and Methods for Inserting an Interbody Fusion Device - An apparatus for use in spinal interbody fusion comprises, in combination, a spinal interbody fusion implant and an inserter releasably attached thereto. The implant comprises a hollow interior through which the inserter extends, the inserter having a tapered distal tip projecting exteriorly beyond the distal end of the implant to initially distract opposing tissue surfaces and to facilitate insertion of the implant into the intradiscal space between the vertebral bodies. | 09-18-2014 |
20140277478 | SPINAL IMPLANT AND SURGICAL METHOD - A spinal implant includes a substantially U-shaped body portion and a plate portion. The body portion has first, second, and third walls joined to one another such that the second and third walls define legs of the body portion. The body portion is configured and dimensioned to be positioned between first and second vertebral bodies. The plate portion has a main portion and a flange portion. The main portion has at least one first screw hole oriented towards the first vertebral body at an oblique angle relative to a horizontal axis of the body portion. The flange portion has a second screw hole oriented towards the first vertebral body with the second screw hole oriented substantially parallel to the horizontal axis of the body portion. The flange portion is coupled to the main portion such that the flange portion extends past the first surface of the main portion. | 09-18-2014 |
20140277479 | INSERTER FOR EXPANDING AN EXPANDABLE INTERBODY FUSION DEVICE - An elongate inserter has a distal end releasably connected to an expandable interbody fusion device and a proximal end including a trigger actuator. The interbody fusion device comprises a superior endplate and an inferior endplate that are movable in an expansion direction relative to each other in the intradiscal space. The inserter includes a lifting platform and an elevator that define cooperatively engaging ramps and ramps surfaces that upon operation of the trigger actuator cause the superior and inferior endplates to move relatively away from each other. A driver is supported by the inserter for pushing an insert into the expanded device between the superior and inferior endplates. | 09-18-2014 |
20140277480 | EXPANDABLE SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises a first member including a wall that defines a first cavity and a second member including a wall defining a second cavity. At least one first expandable bone graft is disposable within the second cavity. The second member is axially translatable relative to the first member between a first configuration and a second, expanded configuration such that at least a portion of the at least one first graft is disposed within the first cavity and the first cavity includes a substantially void portion. At least one second bone graft has a selective configuration and dimension for disposal within the substantially void portion. Systems and methods are disclosed. | 09-18-2014 |
20140277481 | SPINAL FUSION IMPLANTS AND DEVICES AND METHODS FOR DEPLOYING SUCH IMPLANTS - Methods and apparatus are disclosed for distracting tissue. The devices and methods may include insertion of first and second elongated members into the space between two tissue layers, with an augmenting elongated member inserted therebetween to form a distraction device between the tissues to be distracted. The distraction device defines a generally annular configuration, with a locking member secured to one of the elongated members at a plurality of locations to maintain the distraction device in the generally annular configuration. The augmenting elongated member may be shorter than the first and second elongated members such that a window is defined between the proximal and distal ends of the augmenting elongated member when the distraction device and the first and second elongated members are in the generally annular configuration. Bone graft material or bone filler may be introduced into the interior of the distraction device through the window. | 09-18-2014 |
20140277482 | HYBRID INTERVERTEBRAL DISC SPACER DEVICE AND METHOD OF MANUFACTURING THE SAME - A hybrid spinal implant device, and method of making the same are disclosed. The spinal implant device comprises two facing endplates, each having at least one anchoring wall or pin element, and a plastic spacer anchored to and located between the two endplates. The endplates may be manufactured from titanium. The plastic spacer may be manufactured from a radiolucent, and bio-compatible polymer-based material including polyetheretherketone (“PEEK”), polyetherketone, polyetherketoneketone, and/or fiber reinforced plastic. The endplates made of titanium allow for enhanced bone growth, while the plastic/PEEK spacer element allows for improved load absorption and distribution. The spinal implant device, using titanium endplates and a PEEK spacer, provides excellent radiolucency thereby eliminating the need for X-ray markers either intra- or post-operation. The manufacturing method for the hybrid spinal implant device uses injection molding to insert or back injection mold the spacer between the two endplates. | 09-18-2014 |
20140277483 | SURFACE AND SUBSURFACE CHEMISTRY OF AN INTEGRATION SURFACE - An interbody spinal implant and a process of producing the implant. The implant includes an integration surface having a roughened surface topography as at least part of the top surface, bottom surface, or both surfaces. The integration surface comprises at least one or more of (a) a plurality of grains; (b) intergranular boundaries between the plurality of grains; and (c) unsatisfied chemical bonds. The integration surface may be produced by texturing a surface by chemical processes, mechanical processes, or both to provide the plurality of grains and intergranular boundaries and chemically etching the surface to provide unsatisfied chemical bonds. In addition, the plurality of grains and the intergranular boundaries may etch at different or non-uniform etch rates. | 09-18-2014 |
20140277484 | ADAPTABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral fusion implant comprises a body defining a longitudinal axis and extending between a first end and a second end. The body defines a first wall configured for engaging a first vertebral surface and a second wall configured for engaging a second vertebral surface. The first wall is connected to the second wall. The first wall is movable relative to the second wall such that the body is deformable from a first, initial implanted configuration such that the body is disposed between the first vertebral surface and the second vertebral surface for fixation thereof and a second configuration such that the body is deformed relative to the first configuration to adapt to an orientation of the first vertebral surface and the second vertebral surface. Methods of use are disclosed. | 09-18-2014 |
20140277485 | INTERVERTEBRAL FUSION IMPLANT CAGE - Intervertebral fusion implant cages and related methods are described herein. The cages may be used to assist with fusing together adjacent vertebrae when a displaced or damaged spinal disc is surgically removed. The cages include windows that allow the bone graft to grow from one vertebra through the cage and into the adjacent vertebra (e.g., cervical vertebrae). The cages include a number of features which enhance its performance during use. | 09-18-2014 |
20140277486 | METHODS AND APPARATUS FOR IMPLANTING AN INTERBODY DEVICE - A delivery device for inserting an interbody implant into an intervertebral space in a patient has an elongate tube with a channel and is sized to fit in an intervertebral space. The elongate tube has a proximal portion, a distal portion, a longitudinal axis, and a window with a longitudinal axis. The window is disposed adjacent the distal portion of the elongate tube and the longitudinal axis of the window is offset from the longitudinal axis of the elongate tube. The channel is sized to receive the interbody implant, and also the channel is configured such that the interbody implant is advanced therealong from the proximal region toward the distal region. The interbody implant is deployed into the intervertebral space from the window. | 09-18-2014 |
20140277487 | Expandable Intervertebral Implant - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 09-18-2014 |
20140277488 | Expandable Intervertebral Implant - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 09-18-2014 |
20140277489 | Expandable Intervertebral Implant - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 09-18-2014 |
20140277490 | Expandable Interbody Spacer - Embodiments of the present disclosure relate to devices and methods for treating one or more damaged, diseased, or traumatized portions of the spine, including intervertebral discs, to reduce or eliminate associated back pain. In one or more embodiments, the present disclosure relates to an expandable interbody spacer. The expandable interbody spacer may comprise a first jointed arm comprising a plurality of links pivotally coupled end to end. The expandable interbody spacer further may comprise a second jointed arm comprising a plurality of links pivotally coupled end to end. The first jointed arm and the second jointed arm may be interconnected at a proximal end of the expandable interbody spacer. The first jointed arm and the second jointed arm may be interconnected at a distal end of the expandable interbody spacer. | 09-18-2014 |
20140277491 | COMPOSITE SPINAL INTERBODY DEVICE AND METHOD - A composite interbody device for use with spinal fusion surgery is described herein. The composite interbody device comprises a central body made from a radiolucent biocompatible polymer (e.g., PEEK or UHMWPE) and metallic plates, which are placed at the superior and inferior surfaces of the central body. The metallic plates are comprised of an end plate that is adjacent to a vertebral body and an intermediate plate that is adjacent to the central body. The end plates may have one or more arrays of apertures to facilitate bone growth into the end plates to secure the interbody device within the intervertebral space. The intermediate plates may also have one or more arrays of apertures to allow the central body to bond to the end plates through compression molding, injection molding, and/or heat molding. The arrays of apertures in the end plates are not aligned with the arrays of apertures in the intermediate plates so that polymer material of the central body will not penetrate into the end plate, where bone growth is encouraged, and vice versa. | 09-18-2014 |
20140277492 | Expandable Implant of a Minimally Invasive Surgery - An expandable implant of a minimally invasive surgery contains a body, a positioning post, two first connecting sets, two second connecting sets, and two expanding pieces. The body includes two seats and an adjusting knob. The positioning post inserts into the body and includes one side contacting with the adjusting knob and another side having a conical member. The two first connecting sets couples with the two seats, and each first connecting set has two first rods coupling with a respective one of the two seats. The two second connecting sets connects with the positioning post, and each second connecting set having two second rods coupling with the positioning post. Each expending piece axially connects with one of the two first rods of the each first connecting set and one of the two second rods of the each second connecting set. | 09-18-2014 |
20140277493 | Implant Instrument Interconnection - An inserter instrument and an implant device are provided. An interconnection between an implant and an instrument may include a threaded connection and a gripping connection. Motion of the gripping connection is coordinated with motion of the threaded connection. One implant includes a threaded hole and an adjacent angled pocket, both of which extend into the implant through an instrument-facing surface. One instrument includes a threaded rod and an adjacent pivoting finger, both of which protrude from an end face of the instrument. When the implant is connected to this instrument, the instrument-facing surface abuts the end face, the threaded rod engages the threaded hole, and the finger extends into the pocket along an angle of the pocket. | 09-18-2014 |
20140277494 | VERTEBRAL BODY REPLACEMENT AND METHOD OF USE - Vertebral body replacements are provided, including at least one vertebral body replacement in the shape of an oblong object. The oblong vertebral body replacement includes a nose shape to provide as minimally invasive an installation as possible, serrations formed in the side wall of the body replacement's body to prevent expulsion once the body replacement is in place, a tapered asymmetric shape to provide spinal lordosis, and an integral protrusion for stability and to increase the bearing area to reduce contact pressure between the body replacement and the vertebral plate. Hollow passages are typically filled with bone tissue. The body is also provided with holes passing therethrough to promote tissue growth. | 09-18-2014 |
20140277495 | POSTERIOR SPINAL IMPLANT SYSTEM - Disclosed is a spinal implant comprising an implant spacer body and a plate. The spinal implant may be installed into an inter-vertebral space between adjacent vertebrae and may be installed from a patient's posterior. The implant spacer body tapers from the anterior toward the posterior and may be tapered at the anterior end to facilitate installation. Some embodiments disclosed herein may comprise an implant spacer body only, some embodiments may comprise a plate only, and some embodiments may comprise an implant spacer body and a plate. | 09-18-2014 |
20140277496 | EXPANDABLE DEVICE FOR IMPLANTATION IN BODY SPACE - An expandable device for implantation in a body space, including an outer frame, and an inner frame slidably engaged with the outer frame. The inner frame includes a tapered wall surface. A ratchet is provided for maintaining an expansion state of the device after moving the inner frame relatively away from the outer frame so as to increase an overall size of the device, while the inner frame maintains engagement with the outer frame. The inner frame is configured to expand with respect to the outer frame in a direction perpendicular to a direction of insertion of the device into the body space. | 09-18-2014 |
20140277497 | Interbody Standalone Intervertebral Implant - Stand-alone interbody fusion devices and corpectomy devices suitable for use with an oblique implantation. The stand-alone interbody fusion devices may include a spacer having a substantially U-shaped body and a plate coupled to the spacer. The overall shape of the implant is asymmetrical such that a median plane, an oblique plane, or both planes divide the spacer and the plate into two asymmetrical halves. The implants are shaped and configured to allow for an oblique or anterolateral approach to the spine or an oblique corpectomy. | 09-18-2014 |
20140277498 | SPINAL IMPLANTS AND IMPLANTATION SYSTEM - Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for minimally invasively accessing and deploying the implants within the spine. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine. | 09-18-2014 |
20140277499 | SPINAL IMPLANTS AND IMPLANTATION SYSTEM - Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for percutaneously accessing and deploying the implants within the spines. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine. | 09-18-2014 |
20140277500 | BODILESS BONE FUSION DEVICE, APPARATUS AND METHOD - A bodiless bone fusion method, apparatus and device for insertion between bones that are to be fused together and/or in place of one or more of the bones, such as, for example, the vertebrae of a spinal column. The bodiless bone fusion device comprises one or more extendable plates, one or more extending blocks in communication with the extendable plates, one or more positioning elements for adjusting the extendable plates by manipulating the extending blocks, and one or more support panels for holding the positioning elements and guiding the extendable plates. The plates are able to be advantageously positioned in the confined space between the vertebrae to help brace the device until the bone has fused. | 09-18-2014 |
20140277501 | EXPANDING INTERBODY VERTEBRAL IMPLANT - A height-adjustable vertebral spacer is described. The spacer has a superior member and an inferior member. The superior member has a superior vertebral interface and an inferior nesting interface. The superior vertebral interface includes angled teeth, and the inferior nesting interface has one or more lateral walls with one or more rows of slits formed therein. The inferior member has an inferior vertebral interface and one or more lateral walls with one or more rows of ridges protruding inwardly from the one or more lateral walls. Each of the ridges has an angled bottom side and a flat upper side that is perpendicular to the lateral wall from which it protrudes. When the superior member is mated with the inferior member the one or more ridges of the inferior member are oriented to mate with the one or more slits of the superior member. | 09-18-2014 |
20140277502 | Anterior Lumbar Fusion Method and Device - A method and devices for placing spinal implants including placing the implants completely within a spaced defined between adjacent vertebral bodies where the implants are supported by the cortical bone of the vertebral bodies. An insertion instrument places the implants in pairs with a variable-sized space placed in between. The implants are made of a biocompatible material and are particularly suited for anterior lumbar interbody fusion surgery. The spinal implants used to facilitate spinal fusion, correct deformities, stabilize and strengthen the spine. | 09-18-2014 |
20140277503 | SPINAL FIXATION DEVICE - A spinal fixation device includes a body having a first end defining an aperture, an engaging portion configured to engage a vertebral body, and an adjustment member configured to be received in the body through the aperture. The adjustment member is operatively coupled with the engaging portion to selectively position the engaging portion at one of a plurality of orientations relative to the body. | 09-18-2014 |
20140277504 | Bone Fusion Implant Device - Implant devices for insertion between first and second bone structures are disclosed and include an implant device body having an exterior surface and an insertion tool interface including a plurality of apertures configured to secure the implant device to an insertion tool, and includes a first aperture (e.g., a threaded aperture) configured to secure the implant device body to a threaded element of the insertion tool, and a second aperture to receive a finger element of the insertion tool. The plurality of apertures are accessible from at least one edge of the implant device body and extend into the implant device body. The implant device may include a fixation interface including a plurality of screw alignment holes configured to receive and to orient screws at predetermined angles, and to house a head of the screw within the implant device body after insertion of the implant device is complete | 09-18-2014 |
20140277505 | SPINAL IMPLANTS WITH BIOACTIVE GLASS MARKERS - The present invention relates to orthopedic implants. More specifically, the present invention is a series of orthopedic implants constructed from biocompatible material, each including a plurality of markers constructed from bioactive glass material, some of which are radio-opaque. In addition to providing recognizable markers for use by the surgeon implanting the device, the bioactive glass markers provide a lattice structure which allows for the in-growth of bone into portions of the implant. The in-growth provides enhanced structural integrity between the implant and the bone structure of the patient and may shorten healing time. | 09-18-2014 |
20140277506 | DYNAMIC SPINAL SEGMENT REPLACEMENT - A vertebral body system and method having a polyaxial fastener receiving member, adjustable width plates and a pedicle screw having a pedicle threaded portion and a threaded portion for fastening to the vertebral body. | 09-18-2014 |
20140277507 | DISTRACTIBLE SKID SPINAL IMPLANT - A spinal fusion implant for implantation between adjacent vertebrae is described. The distractible spinal implant device contains a main body, a first end plate, and a second end plate. Each of the end plates are adapted to independently and slidably engagement with the main body to form a cage structure for spacing of adjacent vertebra. | 09-18-2014 |
20140277508 | PLIF HINGED SPACER - A spinal implant formed from a hinged distractor having an upper and lower support body that is hinged by use of pinions. An insert body is constructed and arranged to slide between the section to expand and maintain a space therebetween. The insert body includes a leading edge that is tapered to allow ease of insertion. A trailing edge that extends beyond a front edge of the upper support body will cause the insert body to be locked into position. A trailing edge engages the rear of the upper support body to prevent over insertion. A lower surface of the insert body may include locking surfaces. | 09-18-2014 |
20140277509 | EXPANDABLE VERTEBRAL BODY REPLACEMENT AND METHODS - An expandable vertebral body replacement is presented. The device has an inner and outer wall longitudinally moveable on one-another which locks in place using a ratchet mechanism. This can be locked or fortified by several described options. Also presented is a method for expanding said device embodiments. | 09-18-2014 |
20140277510 | EXPANDABLE VERTEBRAL BODY REPLACEMENT DEVICE, SYSTEM, AND METHODS - An expandable vertebral body replacement is presented. The device has an inner and outer housing longitudinally moveable on one-another which locks in place using a retention member. This can be locked or fortified by several described options. Also presented is a method for expanding said device embodiments and a system for an expandable vertebral body replacement. | 09-18-2014 |
20140277511 | COMPOSITE IMPLANTS HAVING INTEGRATION SURFACES COMPOSED OF A REGULAR REPEATING PATTERN - A composite interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions; a first integration plate affixed to the top surface of the body; and an optional second integration plate affixed to the bottom surface of the body. At least a portion of the first integration plate, optional second integration plate, or both has a roughened surface topography including macro features, micro features, and nano features, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction, inhibit migration of the implant, and promote bone growth. Also disclosed are processes of fabricating a roughened surface topography, which may include separate and sequential macro processing, micro processing, and nano processing steps. | 09-18-2014 |
20140277512 | IMPLANTS WITH INTEGRATION SURFACES HAVING REGULAR REPEATING SURFACE PATTERNS - An interbody spinal implant, such as a solid-body or composite implant. The implant has at least one integration surface with a roughened surface topography including a repeating pattern, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction generated when the implant is placed between two vertebral endplates and to inhibit migration of the implant. The repeating pattern is formed of at least three at least partially overlapping repeating patterns. The repeating patterns may radiate at a fixed distance from at least one point and may include recesses having a slope of thirty degrees or less relative to the integration surface. Also disclosed are processes of fabricating the integration surfaces. | 09-18-2014 |
20140277513 | DISC REPLACEMENT DEVICE AND METHOD OF USE - A disc replacement device including a first body member with a convex articulation surface and a second body member with a concave articulation surface is disclosed. When operably positioned, the convex articulation surface engages the concave articulation surface to provide for movement therebetween. The disc replacement device also includes a first opening in the first body member and a second opening in the second body member, wherein the openings are angled and extends from the front aspects of the body members through the external surfaces. The disc replacement device further includes at least two bone fasteners for insertion into the first and second openings to secure the disc replacement device to a first and second vertebra. An interbody motion device and fusion implant, as well as a surgical method for implantation are also disclosed. | 09-18-2014 |
20140288653 | TEXTURED IMPLANT DEVICE HAVING SERIES EXTENDIBLE BLADES - A textured bone graft or implant device includes a housing member having a bore at one end and a conduit at the other, an actuator engaged in the conduit of the housing member, and a screw engaged in the bore of the housing member and engaged with the actuator, and the housing member includes two sections each having one or more grooves for forming two or more blades each of which include a guiding member extended into the conduit of the housing member for selectively engaging with the actuator, the actuator is engaged with a closer guiding member before the other for forcing the blades to move radially and outwardly of the housing member in sequence. | 09-25-2014 |
20140288654 | INTERBODY SPACER - An interbody spacer is provided. The spacer includes a housing having a top portion, a bottom portion, and a plurality of side portions disposed between the top portion and the bottom portion, a midline portion configured to be disposed across at least one of the top portion and the bottom portion of the housing, an opening disposed between the top portion and the bottom portion, and a grooved channel disposed in at least one of the plurality of side portions. The top and bottom portions are configured to include a plurality of projections configured to protrude away from the top and bottom portions. | 09-25-2014 |
20140288655 | SPINAL IMPLANT CONFIGURED FOR MIDLINE INSERTION AND RELATED INSTRUMENTS - The embodiments provide a spinal implant that is configured for midline insertion into a patient's intervertebral disc space. The spinal implant may include structural guidance features to facilitate the angular approach of fixation elements into the apertures. The spinal implant may also be a configured with a tactile or visual feedback response feature to allow the user to know when the fixation elements are fully seated within the apertures. | 09-25-2014 |
20140288656 | ANNULUS-REINFORCING BAND - A pliable band or hoop that is flexible to normal handling, but cannot stretch circumferentially once it has reached the limits of its circumferential length. The band may have a structural portal to be used for filling, or it may simply be constructed of a fabric-like material that allows a fill tube to perforate its walls to allow for filling. In the latter case, the perforated wall tends to self-seal once the fill tube is withdrawn. The band may be flat or tubular in cross-section. However, unlike a balloon, the band does not require either a bottom or a top, as we found that a top and bottom are unnecessary when using a band or hoop to enclose material injected into a reamed out intervertebral space. | 09-25-2014 |
20140296982 | MINIMALLY INVASIVE METHOD AND SURGICAL TOOLS FOR TRANS-PSOAS APPROACH - Methods, surgical tools and a surgical system for performing spinal fixation using a lateral trans-psoas approach through a vertebral body into the disc space between that vertebral body and an adjacent vertebral body are provided. The approach, tools and system are adapted for use in fixing the L-5 and S-1 vertebral bodies. It should be understood that the methods and tools described can also be used for disc fusion where insertion proceeds from an inferior vertebral body to a superior vertebral body, and also cases where the fusion occurs across multiple disc spaces fusing more than two vertebrae. | 10-02-2014 |
20140296983 | Fusion Cage - A system comprising a fusion cage and at least one engagement member is provided. The fusion cage includes a first member and a second member. The engagement member is configured to retain the first and second members in an expanded state while simultaneously fixing the fusion case to adjacent vertebrae. | 10-02-2014 |
20140296984 | CAGE SYSTEM - A system for intervetebral fusion that includes a base member with a fist support and a second support, and an end member configured to be assembled with the base member to define a space for reception of graft material, each support member including a first sidewall, a second sidewall spaced from the first sidewall and an end wall connecting the two sidewalls. | 10-02-2014 |
20140296985 | Prosthetic Spinal Disc Replacement and Methods Thereof - The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine and methods for inserting said discs. The intervertebral prosthetic discs are provided with connections for facilitating implantation and removal and features which enhance primary and secondary stability over time. | 10-02-2014 |
20140303732 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 10-09-2014 |
20140303733 | BIOLOGICALLY ACTIVE INSERT FOR USE WITH SPINAL FUSION IMPLANTS - Biologically active components for use with fusion promoting implantable devices are provided. These components are configured as inserts that work in cooperation with the implantable devices, such as for example spinal fusion implants, to facilitate fusion in a time controlled and directional manner. | 10-09-2014 |
20140303734 | INTERVERTEBRAL SPACER DEVICE - An intervertebral spacer device includes a first plate and a second plate, each plate having an outer surface for seating against opposing vertebral bone surfaces. The device includes a ball captured in a central opening of a coupling element, the coupling element being maintained against the first plate by a retaining ring coupled with the first plate. | 10-09-2014 |
20140303735 | ARTIFICIAL DISC REPLACEMENTS WITH NATURAL KINEMATICS - This invention improves upon prior art total disc replacements (TDRs) by more closely replicating the kinematics of a natural disc. The preferred embodiments feature two or more fixed centers of rotation (CORs) and an optional variable COR (VCOR) as the artificial disk replacement (ADR) translates from a fixed posterior COR that lies posterior to the COR of the TDR to facilitate normal disc motion. The use of two or more CORs allows more flexion and more extension than permitted by the facet joints and the artificial facet (AF). AF joint-like components may also be incorporated into the design to restrict excessive translation, rotation, and/or lateral bending. | 10-09-2014 |
20140303736 | Intersomatic Implant - An intersomatic implant to be inserted into the intervertebral space is defined by two adjacent vertebrae, comprising a body having an upper face and a lower face, parallel to each other. The peripheries of the faces are connected by a vertical peripheral wall. Each of the faces has substantially the shape of a triangle with rounded angles, and each face includes three bearing surfaces located at the three rounded angles of the triangle. At least one of the upper and lower faces is provided with guiding means for the insertion of the implant into the intervertebral space. The guiding means comprises a plurality of ridges directed along an arc of circle, the center of which would be located in the anterior region external to the implant. | 10-09-2014 |
20140309741 | MODULAR, CUSTOMIZABLE SPINE STABILIZATION SYSTEM - A modular, customizable system that provides components for assembling an implantable device is provided. The system allows the user to assemble an implantable spine stabilization device that is flexible and allows dynamic stabilization. The same system also provides components for assembling a rigid or non-flexible fusion-enabling spine stabilization device. The components of the system are easily interchangeable, allowing the user the ability to customize the assembled device for a true fit with the patient, as well as allow an easy conversion of the dynamic device into a fusion-enabling device. Associated insertion instruments and methods of use are also disclosed. | 10-16-2014 |
20140309742 | SYSTEMS AND METHODS FOR SPINAL FUSION - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 10-16-2014 |
20140309743 | STEERABLE INTERBODY FUSION CAGE - Intervertebral spacers, such as interbody vertebral cages, that facilitate minimally-invasive corrective restoration surgeries, and related methods. In some implementations, an introducer may be used introduce an intervertebral spacer in a first, straightened shape into an intervertebral disc space. The introducer may engage a plurality of adjacent recesses of the intervertebral spacer to maintain the intervertebral spacer in the first, straightened shape during introduction. An introducer, in some cases the same introducer, may be used to articulate the intervertebral spacer by actuating at least one hinge of the intervertebral spacer such that the intervertebral spacer assumes a second, curved shape once within the intervertebral disc space. | 10-16-2014 |
20140316522 | Articulating and Expandable Vertebral Implant - An implant is insertable in the joint space to separate bones of the joint. The implant has two endplates each configured to engage a separate articulating bone of the joint, and a threaded member positioned between the two endplates and configured to increase the space between the two endplates when the threaded member is rotated. A rotatable gear is engaged with the threaded member, and is engageable with a rotating gear of a connected implantation tool, so that rotation of the gear on the tool causes rotation of the threaded member and expansion of the implant to separate the bones. Connector portions on the tool and the implant may be rotated together to securely engage the implant and the tool so that the gears of the tool and the implant can be rotated using an actuator outside of the body, when the implant is inside the body. | 10-23-2014 |
20140316523 | INTERVERTEBRAL DISC AND INSERTION METHODS THEREFOR - A method of inserting an intervertebral disc implant into a disc space includes accessing a spinal segment having a first vertebral body, a second vertebral body and a disc space between the first and second vertebral bodies. The method includes securing a first pin to the first vertebral body and a second pin to the second vertebral body, using the first and second pins for distracting the disc space, and providing an inserter holding the intervertebral disc implant. The method also desirably includes engaging the inserter with the first and second pins, and advancing the inserter toward the disc space for inserting the intervertebral disc implant into the disc space, whereby the first and second pins align and guide the inserter toward the disc space. | 10-23-2014 |
20140316524 | ARTIFICIAL DISC - An artificial disc to replace a damaged spinal disc in a spinal column includes a resilient core which is fixedly connected to first and second plates. The first and second plates engage upper and lower vertebra in the patient's spine. The inner side of at least one of the first and second plates has an array of recesses into which said resilient core extends. The array of recesses includes a plurality of recesses. Each of the recesses of the plurality of recesses has surfaces which are integrally formed as one piece with the plate. | 10-23-2014 |
20140316525 | BIOACTIVE SPINAL IMPLANTS AND METHOD OF MANUFACTURE THEREOF - A bioactive spinal implant used in cervical fusion, Anterior Lumbar Interbody Fusion (ALIF), Posterior Lumbar Interbody Fusion (PLIF), and Transforaminal Interbody Fusion (TLIF), having properties and geometries that enhance bone contact, stability, and fusion between adjacent vertebral bodies. | 10-23-2014 |
20140324172 | Dynamic Spinal Implants Incorporating Cartilage Bearing Graft Material - A dynamic spinal implant utilizes cartilage bearing graft material in dynamic disc replacement and/or facet arthroplasty. Methods and apparatus for dynamic spinal implants incorporate bulk articular graft tissues derived from donor joint sources in human (allograft or autograft) or non-human (xenograft) tissue. The donor joint is preferably prepared as a biological dynamic spinal implant with articular cartilage as a bearing interface between adjacent bone surfaces that naturally articulate with respect to one another. | 10-30-2014 |
20140324173 | FUSION SYSTEM AND METHOD FOR FUSING SPINAL BONES - This invention relates to a spinal fusion system and method for use as a prosthetic implant. The system and method includes a housing dimensioned to be situated between adjacent spinal bones, such as adjacent vertebrae. The housing cooperates with the spinal bones to define a graft area for receiving graft material, which may be inserted anteriorly into the housing during a surgical operation such as a vertebrectomy or discectomy. A housing may have various features such as migration preventers to prevent the housing from migrating posteriorly towards a spinal column and can be used with a cover that permits the housing to “float” relative thereto. Screws are provided in one embodiment and are dimensioned or configured to lock against each other to retain the screws and, consequently, the cover in place. | 10-30-2014 |
20140330383 | VERTEBRAL BODY REPLACEMENT OR FUSION DEVICE - The present disclosure relates to a spinal implant or spacer that addresses the variation in anatomy of vertebrae along the spine by having inferior and superior surface angle and convexity variations that are adapted to address the differences in lordosis and endplate surface convexity of the spine. The difference between the convexity of the superior and inferior surface of the spacer increases as the lordotic angle of the spacer increases. The spacers described herein thus provide overall improved fit into vertebral disc space and in some embodiments are even used in the absence of fusion for a prolonged period. The vertebral spacers described herein in some embodiments are used with supplemental internal fixation systems, such as an anchor plate. The interior of the spacer has channels and undercuts to increase graft volume and retention, support bony ingrowth, and bony stability for better secondary and tertiary stabilization. | 11-06-2014 |
20140330384 | Inter-Body Implant - A system for implanting an inter-body device between adjacent vertebrae comprises an inter-body device having a plurality of cans secured to a flexible bridge and having a relief portion therebetween. An inserter tube and complementary bullnoses are advantageously secured to the vertebrae by an extension arm for securing the assembly precisely in place. A plurality of articulating trial implants are provided to test fit a disc space for the proper sized inter-body device. | 11-06-2014 |
20140330385 | BONE STABILIZATION MEMBER WITH BONE SCREW RETENTION MECHANISM - A spinal implant for stabilizing first and second vertebrae. The spinal implant includes an intervertebral spacer and a bone stabilization member configured to be coupled to the intervertebral spacer. The bone stabilization member includes a plurality of bone screw openings and a plurality of bone screws extendable through the bone screw openings to secure the bone stabilization member to the vertebrae. A retention member, which is slidably coupled to the bone stabilization member, is linearly slidable between a first position and a second position while coupled to the bone stabilization member. In the first position, each of the bone screws is permitted to be inserted into the bone screw openings, and in the second position the retention member at least partially covers each of the bone screw openings to prevent a bone screw from backing out of the respective bone screw opening. | 11-06-2014 |
20140330386 | MODULAR ANCHOR BONE FUSION CAGE - A modular anchor bone fusion cage is provided. The cage includes a spacer configured to fit into a space between the faces of two bones that are to be fused together. A fusion plate having at least a main body portion is coupled to the spacer by a connector. Fasteners extend through the fusion plate to engage the bone. At least some of the fasteners also extend through the spacer to engage the opposed faces of the bone. A cover plate is coupled to the fusion plate to inhibit the fasteners from backing out prior to fusion of the bones. | 11-06-2014 |
20140330387 | SPINAL CAGE - A spinal cage ( | 11-06-2014 |
20140336767 | Intervertebral Prosthesis with Self-Tapping Fixing Projections - An intervertebral prosthesis, in particular for the cervical spine, has two attachment plates connected in an articulated manner. The attachment surfaces of the attachment plates, which are configured for attachment to adjacent vertebral bodies have a base surface configured to bear on the surface of the vertebral bodies, and self-tapping fixing projections rising from the base surface. These fixing projections are formed by at least one pair of ribs which extend in opposite directions obliquely with respect to a predetermined implantation direction and whose side faces oriented more away from the implantation direction are steeper than their side faces oriented more in the implantation direction. The ribs can be toothed. | 11-13-2014 |
20140336768 | FLANGED INTERBODY FUSION DEVICE WITH FASTENER INSERT AND RETAINING RING - Methods and devices are disclosed for treating the vertebral column. An integrated fixation plate and spacer having a retaining structure within the screw holes of the fixation plate to resist backout of screws attaching the fixation plate to the bone is provided. A movable joint may be provided between the fixation plate and spacer. In some embodiments, a screw hole insert is also provided to resist shear forces acting between the screw and fixation plate. In some embodiments, an integrated fixation plate and spacer system is provided, comprising two or more integrated fixation plate and spacer implants, wherein the fixation plates of each implant has a complementary configuration to allow attachment of the implants at adjacent intervertebral spaces. Alternative fixation systems are also contemplated. | 11-13-2014 |
20140336769 | INTERVERTEBRAL SPACER DEVICE HAVING RECESSED NOTCH PAIRS FOR MANIPULATION USING A SURGICAL TOOL - Instrumentation for implanting an artificial intervertebral disc includes static trials and a dynamic trial for determining the appropriate size of disc to be implanted, static trial holders for manipulating the static trials, inserter/impactors for inserting and removing the static trials and for inserting the artificial intervertebral discs, repositioners/extractors for repositioning and extracting the static trials or the artificial intervertebral discs, and a leveler for setting the proper position of the artificial intervertebral disc. Methods for using the same are also disclosed. Features for artificial intervertebral discs and intervertebral spacer devices useful for manipulation by the instrumentation are also disclosed. | 11-13-2014 |
20140336770 | Low Profile Plate - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 11-13-2014 |
20140336771 | SPINAL INTERVERTEBRAL IMPLANT - An intervertebral spinal implant, for insertion between two consecutive vertebral bodies, includes a volume, inclined first and second through-holes formed in the volume, and elongated first and second fastening elements for securing the volume. The first and second through-holes have respective ends that open onto a front face and onto lower and upper faces of the volume, respectively. The first fastening element extends through the first through-hole and is implanted in the vertebral body adjacent to the lower face. The second fastening element extends through the second through-hole and is implanted in the vertebral body adjacent to the upper face. The through-holes intersect such that one of the fastening elements secures the other fastening element, once the fastening elements are respectively in place in the through-holes. | 11-13-2014 |
20140343678 | Adjustable Implant and Insertion Tool - An adjustable spinal implant includes a lower body, an upper body, a locking pawl, and a locking key. The upper body and the lower body are pivotable relative to one another between a collapsed position and an expanded position. The upper body includes a locking flange that extends towards the lower body. The locking pawl is coupled to the lower body and is moveable between a locked position such that the upper and lower bodies are fixed relative to the one another and an unlocked position such that the upper and lower bodies are moveable relative to one another. The locking key is moveable between a locked state such that the locking pawl is fixed in the locked position and an unlocked state wherein the locking pawl is moveable between the locked position and the unlocked position. | 11-20-2014 |
20140343679 | DISC-FACET VERTEBRAL DEVICE - This prosthesis ( | 11-20-2014 |
20140350682 | Interbody Spinal Implant Having a Roughened Surface Topography - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, a substantially hollow center, and a single vertical aperture. The single vertical aperture extends from the top surface to the bottom surface, has a size and shape predetermined to maximize the surface area of the top surface and the bottom surface available proximate the anterior and posterior portions while maximizing both radiographic visualization and access to the substantially hollow center, and defines a transverse rim. The body may be non-metallic and may form one component of a composite implant; the other component is a metal plate disposed on at least one of the top and bottom surfaces of the body. | 11-27-2014 |
20140358232 | Porous and Nonporous Materials For Tissue Grafting and Repair - Implants having improved mechanical properties and/or degradation profiles, kits including such implants, and methods of producing and using the same. | 12-04-2014 |
20140358233 | Spinal Implant System - An implant for use in spinal surgery comprises a resilient element having an inflatable cavity. It is formed of a biologically compatible material and is arranged for placement between end plates of adjacent vertebra. The implant may also include a wound disc replacement element. A method of performing spinal surgery on a patient comprises securely mounting a patient onto a patient support table; imaging a spinal region of the patient; building up a three-dimensional image file of the spinal region of the patient; storing the image file; and utilizing the image file for planning and carrying out computer controlled spinal surgery on the patient utilizing the implant. A computer-controlled surgical implant system comprises a steerable endosurgical implanting assembly operative to install the implant at a desired location in a patient; and a computerized controlled, which operates the steerable endosurgical implanting assembly. | 12-04-2014 |
20140358234 | End Cap And Connector For A Spinal Implant - The present invention is a spinal implant that can be inserted into a surgically created cavity of one or more regions of the mammalian spine. Among other things, the biocompatible implant and end cap or biocompatible implant, connector and end cap combinations can assist with the restoration of the normal anatomic spinal alignment and spinal stability. | 12-04-2014 |
20140358235 | METHODS AND APPARATUS FOR AN OSTEOTOMY FIXATION OR ARTHRODESIS CAGE - A method and apparatus for an osteotomy fixation or arthrodesis cage allows the adjustment of the relative position of two bone segments while supporting the joining of those bone segments into one structure through the implant and methods described herein. The implant's embodiments fixate to the adjacent bones while inter-positioning its body between the bone segments. This inter-positioning allows anatomical adjustments in the distance between and angle of the bone segments. The adjustment is further enhanced by the use of shape memory materials that when activated through the application of heat energy, transition from a second shape to a first shape while changing the distance between the bones or their relative angle. This method and apparatus can be used on any adjacent bone or bone segments including but not limited to the vertebrae of the spine or long bone such as the tibia or metatarsal. | 12-04-2014 |
20140358236 | SYSTEMS, DEVICES AND APPARATUSES FOR BONY FIXATION AND DISK REPAIR AND REPLACEMENT METHODS RELATED THERETO - The present invention features new methods, apparatuses and devices for fixing adjacent bone segments, segments of a bony structure and adjacent vertebrate of a spine. The methods, apparatuses and devices utilize an apparatus for forming a channel in a surface of the bone or bony structure segments or adjacent vertebra or a channel submerged within the bone or bony structure segments or adjacent vertebra. In more particular embodiments such apparatuses and methods including forming an arcuate channel and which channel can receive therein a curved rod or implant member. Also featured are systems, apparatuses and methods for removably suspending a spacer in the intervertebral space while forming such a channel as well as systems, apparatuses and methods for use of dynamized implant members. | 12-04-2014 |
20140364951 | POSTERIOR PROSTHETIC INTERVERTEBRAL DISC - A prosthetic intervertebral disc is formed of first and second end plates sized and shaped to fit within an intervertebral space and to be implanted from the back of the patient, thereby decreasing the invasiveness of the procedure. The posterior approach provides for a smaller posterior surgical incision and avoids important blood vessels located anterior to the spine particularly for lumbar disc replacements. The first and second plates are each formed of first, second and third parts are arranged in a first configuration in which the parts are axially aligned to form a low profile device appropriate for insertion through the small opening available in the TLIF or PLIF approaches described above. The three parts of both of the plates rotate and translate with respect to one another in situ to a second configuration or a deployed configuration in which the parts are axially unaligned with each other to provide a maximum coverage of the vertebral end plates for a minimum of insertion profile. Upon deployment of the disc, a height of the disc is increased. | 12-11-2014 |
20140371859 | Low Profile Plate - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 12-18-2014 |
20140371860 | Artificial Spinal Disk Prosthesis - Intervertebral endoprosthesis discs suitable for surgical implantation between two vertebrae having and methods thereof. The prosthetic disc may have an endoprosthesis body including an anterior region and a posterior region designed to be positioned between a first vertebra and a second vertebra with a first and second movable insert positioned rotatably in anterior cavities and is rotatable to adjust the fasteners. | 12-18-2014 |
20140371861 | INTERVERTEBRAL IMPLANT DEVICES - Spinal implants for positioning between adjacent vertebrae. Some embodiments may comprise a pair of opposed sidewall surfaces, a pair of opposed frictional surfaces, a first end wall joining the pair of opposed sidewall surfaces, and a second end wall recessed at least in part and joining the pair of opposed sidewall surfaces. A fish-tailed structure may be positioned within the second end wall when viewed from one of the opposed frictional surface. The fish-tailed structure may be formed so as to extend at least substantially uninterrupted between at least one of the opposed sidewall surfaces and the opposed frictional surfaces. A retention structure, such as a hole, may be positioned within the fish-tailed structure. The hole may be configured to engage a surgical implantation device. | 12-18-2014 |
20140371862 | SURGICAL IMPLANT WITH GUIDING RAIL - A prosthetic intervertebral spacer is disclosed. The spacer preferably includes a body and an interface extending away from the body for use during implantation of the spacer. Methods of implanting the spacer and tools used during such procedure are also disclosed. | 12-18-2014 |
20140379085 | REVERSE CAGE INTERVERTEBRAL FUSION IMPLANTS - Low-profile reverse cage intervertebral implants are provided having an endplate positioned on the posterior side of the cage. Having the endplate positioned posteriorly provides several advantages including placement of fastening means away from blood vessels anterior to the intervertebral region as well as placement of bone screws to prevent backing out. The endplates are overall smaller than corresponding endplates for traditional (anterior) positioning. Implants are provided having various means for securing the implant in the intervertebral space, including one or more blades and/or one or more bone screws. | 12-25-2014 |
20140379086 | Expandable Inter-Vertebral Cage and Method of Installing Same - An inter-vertebral cage for use in repairing a damaged inter-vertebral disc includes a plurality of cage sections and a hinge element that connects adjacent ones of the cage sections together for relative movement. The hinge elements automatically urge the cage sections to move from an extended orientation to an installed orientation. | 12-25-2014 |
20140379087 | CERVICAL DISTRACTION METHOD - A device and method for a minimally invasive surgical implantation to reduce radicular symptoms by inserting an expandable cervical distraction implant in the facet joint and distracting the adjacent cervical vertebrae to increase the foraminal dimension. The implant, when positioned in the cervical facet joint, expands to via delivery of an inflation medium to increase the space between the vertebrae, thereby increasing the foraminal area or dimension, and reducing pressure on the nerves and blood vessels of the cervical spine. | 12-25-2014 |
20150012099 | Intersomatic Implant and Tool for Installing Such an Implant - The present invention concerns an intersomatic implant ( | 01-08-2015 |
20150012100 | IMPLANTS HAVING THREE DISTINCT SURFACES - An interbody spinal implant having at least three distinct surfaces including (1) at least one integration surface having a roughened surface topography including macro features, micro features, and nano features, without sharp teeth that risk damage to bone structures; (2) at least one graft contact surface having a coarse surface topography including micro features and nano features; and (3) at least one soft tissue surface having a substantially smooth surface including nano features. Also disclosed are processes of fabricating the different surface topographies, which may include separate macro processing, micro processing, and nano processing steps. | 01-08-2015 |
20150012101 | Expandable Fusion Device and Method of Installation Thereof - An expandable fusion device is capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. The fusion device may include a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 01-08-2015 |
20150012102 | Anterior Intervertebral Fusion with Fixation System, Device, and Method - A system, device, and method are disclosed for anterior intervertebral fusion with fixation. An intervertebral fusion with fixation device includes a spacer configured to fit into a disc space between plural vertebrae, the spacer including through holes between and through plural sidewalls. A first fixating element is rigidly preloaded in a first portion of the spacer along a first linear trajectory. A second fixating element is rigidly preloaded in a second portion of the spacer along a second linear trajectory. An integrated drill and screwdriver instrument is adapted to extend through a cannula of the first fixating element and second fixating element and penetrate the vertebra. The instrument is further adapted to drive the head of the first fixating element and second fixating element into the vertebra and lock the first fixating element and second fixating element with respect to the spacer to prevent extrusion from the spacer. | 01-08-2015 |
20150018954 | Orthopedic Implant with Adjustable Angle between Tissue Contact Surfaces - An implant having a base with a first contact surface and a hinged element, hingedly interconnected with a first portion of the base, providing a second contact surface. The first portion of the base is displaceable relative to a second portion so that the base can be shortened from an initial length towards a second length. A linking segment is hingedly connected to both the second portion of the base and to the hinged element so that shortening of the base causes the linking segment to push a region of the hinged element away from the base, thereby changing an angle of the second contact surface relative to the first contact surface. | 01-15-2015 |
20150018955 | Laterally Deflectable Implant - A laterally deflectable asymmetric implant for implanting into a body may comprise a deflectable piece having distal and proximal ends and assuming a straightened insertion state. The backbone may abut or interconnect with said deflectable piece at the distal end of the deflectable piece. In a fully deflected state the implant may define an asymmetric shape, e.g. a D-shaped loop, defining an at least partially enclosed volume. The deflectable piece may comprise a sequence of segments interconnected at effective hinges. Longitudinal pressure applied to the proximal end of the deflectable piece (or applied to the backbone in an opposite direction) may cause relative longitudinal movement between the backbone and the proximal end of the deflectable piece and may generate outward horizontal movement of the deflectable piece away from the backbone. In one embodiment, the implant is implanted using lateral access into an anterior zone of a vertebra and deployed posteriorly. | 01-15-2015 |
20150018956 | SURGICAL IMPLANT DEVICES INCORPORATING POROUS SURFACES - A surgical implant device, comprising: a body portion; and one or more surfaces comprising a plurality of protruding structures; wherein the body portion and the one or more surfaces comprising the plurality of protruding structures are integrally formed. The one or more surfaces comprising the plurality of protruding structures are formed by an additive manufacturing process. The plurality of protruding structures comprise a plurality of needles. Optionally, the surgical implant device comprises one of an anterior lumbar interbody fusion cage, a posterior lumbar interbody fusion cage, a transforaminal lumbar interbody fusion cage, an oblique lumbar interbody fusion cage, a cervical cage, and a bone screw. | 01-15-2015 |
20150018957 | TISSUE SPACER IMPLANTS, INSERTION AND ADJUSTMENT TOOLS, AND METHOD OF USE - Tissue spacer implants and surgical methods for inserting the implants are disclosed. The implants may include a first cylindrical body with an outer surface, an axially extending hole, and a first end, a second cylindrical body with an outer surface and an axially extending hole, and an adjustment member with an outer surface, an axial hole, and at least one helical slot. The adjustment member axial hole may be adapted to receive the first cylindrical body and the adjustment member may be configured to be inserted into the axially extending hole of second cylindrical body. The implants may also include a travel mechanism for engaging the first cylindrical body, adjustment member, and second cylindrical body along the at least one helical slot to maintain a space between two bodies of tissue. | 01-15-2015 |
20150018958 | FRICTION-FIT SPINAL ENDPLATE AND ENDPLATE-PRESERVING METHOD - An interbody spinal implant including a body having a top surface, a bottom surface, opposing lateral sides, and opposing anterior and posterior portions. At least a portion of the top surface, the bottom surface, or both surfaces has a roughened surface topography including both micro features and nano features, without sharp teeth that risk damage to bone structures, adapted to grip bone through friction generated when the implant is placed between two vertebrae and to inhibit migration of the implant. The roughened surface topography typically further includes macro features and the macro features, micro features, and nano features overlap. Also disclosed are methods of using such implants and processes of fabricating a roughened surface topography on a surface of an implant. The process includes separate and sequential macro processing, micro processing, and nano processing steps. | 01-15-2015 |
20150025635 | SPINAL INTERBODY DEVICE, SYSTEM AND METHOD - A spinal interbody device, system and method can include use of an interbody cage and plate. The interbody cage can include at least one of a key and a keyway configured to mate with at least one of a mating keyway and key located on the plate. The key and keyway can be configured such that the cage and plate are quickly and easily attached and detached from each other, and such that positional relationship between the cage and plate can be arrived at quickly, accurately, and with tactile and/or audile notice to the practitioner. | 01-22-2015 |
20150025636 | SPINAL CONSTRUCT AND METHOD - A spinal construct includes a first member including a surface that defines a first cavity and a second cavity. The first member is configured to engage a first vertebral surface. A second member includes a surface that defines a first cavity and a second cavity. The second member is configured to engage a second vertebral surface. The members are spaced and the first cavities are disposed in substantial alignment such that at least one first rod is disposed in the first cavities and the second cavities are disposed in substantial alignment such that a plurality of second rods are disposed in the second cavities and spaced via at least one spacer disposed between the second rods within at least one of the second cavities. Systems and methods are disclosed. | 01-22-2015 |
20150025637 | BI-DIRECTIONAL FIXATING/LOCKING TRANSVERTEBRAL BODY SCREW/INTERVERTEBRAL CAGE STAND-ALONE CONSTRUCTS HAVING A CENTRAL SCREW LOCKING LEVER, AND PLIERS AND DEVICES FOR SPINAL FUSION - A bi-directional fixating transvertebral (BDFT) screw/cage apparatus including an intervertebral cage for maintaining disc height, and a method of inserting the same is provided. The intervertebral cage includes a first internal screw guide and a second internal screw guide, a first screw member and a second screw member, and a central screw locking lever coupled to the intervertebral cage, wherein the central screw locking lever prevents the first screw member and the second screw from pulling-out of the first internal screw guide and the second internal screw guide. The central screw locking lever includes a rotatable handle and stem portion, or a screw locking horizontal bracket. A pliers device for inserting and removing the bi-directional fixating transvertebral (BDFT) screw/cage apparatus, a posterior cervical and lumbar facet joint staple, and a staple gun for a posterior cervical and lumbar facet joint staple also are provided. | 01-22-2015 |
20150025638 | Intervertebral disc prosthesis and instrumentation for insertion of the prosthesis between the vertebrae - The present invention relates to an intervertebral disc prosthesis and insertion instrumentation, the prosthesis comprising at least first and second osseous anchoring means, the first osseous anchoring means disposed proximal to the periphery of the plate on which it is situated and the second osseous anchoring means being offset along the antero-posterior axis, the second osseous anchoring means comprising a basal portion and a sharp-edged portion of width narrower than the basal portion. The instrumentation comprises a rod fitted with at least two feet forming a clip and sliding in a tube, sliding the rod in the tube, in the direction of the manipulation end, causing closing of the clip by contact between the exterior of the feet and a truncated portion of the tube and sliding the rod in the tube, in the direction of the prehension end, causing opening of the clip by contact between an axis and the interior of the feet of the rod. | 01-22-2015 |
20150025639 | SELF-PIVOTING SPINAL IMPLANT AND ASSOCIATED INSTRUMENTATION - An intervertebral implant includes an insertion end, an opposing engagement end, and first and second opposed main surfaces configured to contact respective adjacent vertebral endplates. Each of the first and second main surfaces has an anterior edge, a posterior edge, and extends between the insertion and engagement ends. Anterior and posterior walls are formed between the first and second main surfaces and along the respective anterior and posterior edges and converge at the insertion and engagement ends. A slot is formed at the engagement end and extends continuously between and at least partially along the anterior and posterior walls. A post is positioned within the slot, spaced from at least one of the anterior and posterior walls and extending at least partially between the first and second main surfaces. The post includes a plurality of exposed facets and is configured for engagement with a pivotable insertion instrument. | 01-22-2015 |
20150025640 | METHOD OF INSERTING AN INTERBODY FUSION DEVICE - An apparatus for use in spinal interbody fusion comprises, in combination, a spinal interbody fusion implant and an inserter releasably attached thereto. The implant comprises a hollow interior through which the inserter extends, the inserter having a tapered distal tip projecting exteriorly beyond the distal end of the implant to initially distract opposing tissue surfaces and to facilitate insertion of the implant into the intradiscal space between the vertebral bodies. | 01-22-2015 |
20150032210 | INTERBODY IMPLANT AND METHOD - An interbody endcap includes a wall having a first surface connected to an interbody implant and a second surface including an arcuate portion configured for engagement with a vertebral endplate surface. The second surface extends outwardly from the interbody implant to at least adjacent a perimeter of the vertebral endplate surface. Systems and methods are disclosed. | 01-29-2015 |
20150032211 | FLEXIBLE SPACE HOLDER - A flexible space holder made of at least one biocompatible, rigid material having a tube-like body, with one or more flexible areas is described. The flexible space holder can be temporarily or permanently inserted into a human or animal. Furthermore, the flexible space holder can be surrounded by an elastomeric sleeve. Alternatively, an elastic core can be inserted into the center of the flexible space holder. | 01-29-2015 |
20150032212 | Lateral Spondylolisthesis Reduction Cage - An intervertebral fusion device comprising inferior and superior fusion cage devices that provide an ability to correct spondylolisthesis via in-situ adjustment. | 01-29-2015 |
20150032213 | Articulating Disc Implant - An intervertebral disc implant for use in the spine including a first part ( | 01-29-2015 |
20150045892 | INTERBODY IMPLANTS AND GRAFT DELIVERY SYSTEMS - According to some embodiments, a method for promoting spinal fusion using a spinal implant comprises providing a spinal implant, wherein the spinal implant comprises at least one internal chamber being is adapted to receive at least one graft and/or other fill material. In some arrangements, one or more walls of the spinal implant comprise at least one opening or hole that places the internal chamber in fluid communication with an exterior area or portion of the spinal implant. The method additionally includes positioning the spinal implant between two adjacent vertebrae of a patient and directing at least one graft and/or other fill material into the internal chamber of the spinal implant through the access port. | 02-12-2015 |
20150045893 | Vertebral implant, vertebral fastening device of the implant and implant instrumentation - This disclosure provides vertebral implants, fastening devices for vertebral implants, and implant instrumentation, and various combinations thereof. In some embodiments, the implant comprises a peripheral wall extending according to a vertical axis between upper and lower surfaces of the implant, with each such surface configured to be placed in contact with a vertebral structure, respectively, at the top and the bottom of the vertebral segment replaced by the implant. Some embodiments comprise fastening means, deployment of which anchors the implant in the lower and upper vertebral structures. Some fastening means may be deployed by sliding parallel to the vertical axis of the implant, and may comprise a plate with at least one part remaining in contact with the peripheral wall of the implant when deployed and a pointed end projecting from one of the upper and lower surfaces of the implant to enter a vertebral structures on completion of deployment. | 02-12-2015 |
20150045894 | Highly Lordosed Fusion Cage - A two-piece fusion cage having opposed interior surfaces, vertical and lateral throughholes adapted to enhance fusion and a dovetail feature mating the opposed interior surfaces. | 02-12-2015 |
20150045895 | Flexible Vertebral Spacer - A flexible implant system for positioning a flexible spacer between adjacent vertebrae including and interbody spacer and an insertion instrument. The interbody spacer including a central axis, a lateral axis, a top surface positioned generally parallel to the central axis and a plurality of hinge sections extending generally perpendicular to the central axis. A plurality of notches making up the plurality of hinge sections adjacent the top surface that permit the interbody spacer to flex. The interbody spacer further including a groove extending along a lateral side surface, generally parallel to the central axis. An insertion instrument includes a proximal end, a distal end and a tongue extending from the proximal end to the distal end along a non-linear path. The groove slidably engages the tongue to guide the interbody spacer from the proximal end to the distal end along the non-linear path. | 02-12-2015 |
20150045896 | TOTAL DISC REPLACEMENT SYSTEM AND RELATED METHODS - Total disc replacement systems and related methods involving a lateral, trans-psoas surgical approach to the spine while performing at least one of continuous and intermittent intra-operative neural monitoring of the psoas muscle to avoid injury during introduction. | 02-12-2015 |
20150051701 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 02-19-2015 |
20150051702 | ANCHORING DEVICE AND SYSTEM FOR AN INTERVERTEBRAL IMPLANT, INTERVERTEBRAL IMPLANT AND IMPLANTATION INSTRUMENT - The present invention relates to various embodiments of anchoring devices for intervertebral implants, intervertebral implant and implantation of instrumentation, sharing the characteristic to cooperate with the anchoring device ( | 02-19-2015 |
20150051703 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 02-19-2015 |
20150051704 | Intervertebral Fusion Implant - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws. A screw back out prevention mechanism adapted on the plate portion and prevents the back out of screws from the screw holes. | 02-19-2015 |
20150051705 | Spinal Implants - Disclosed are improved spinal implants that are configured to help prevent post-operative migration of the implant. In some embodiments, the implant system includes multi-axial tooth geometry and other geometrical configurations such as but not limited to peripheral curvatures that aid in the prevention of such post-operative migration. Also disclosed are asymmetrical implants having superior and inferior surfaces with different angulations relative to the sagittal midline. | 02-19-2015 |
20150057754 | Interbody Fusion Devices with Self-Affixing Mechanisms - Interbody fusion devices including deployable fixation members. The implant may include a spacer, optionally, an end member coupled to the spacer, and one or more fixation members configured to extend into adjacent vertebrae. The fixation members may include screws, nails, shims, tangs, spikes, staples, pins, blades, fins, or the like, and combinations thereof. | 02-26-2015 |
20150057755 | EXPANDABLE SPINAL IMPLANT - An expandable spinal implant configured for positioning within the intervertebral space between adjacent vertebral bodies is disclosed. The spinal implant includes a first body, a second body, a ratchet, and a locking mechanism. The first and second bodies are pivotably affixed to each other on respective first ends thereof and are capable of movement relative to each other in a medial-lateral direction with respect to the adjacent vertebral bodies. The ratchet is pivotably supported within a slot defined in the first body and is capable of engaging the second body thereby permitting movement of the first and second body relative to each other in a first direction, but not in a second direction that is different than the first direction. A method of performing spinal surgery is also disclosed. | 02-26-2015 |
20150066146 | PROSTHESIS, SYSTEM AND METHOD - An implant device, system and method can include a top structure, a bottom structure, and an intermediary structure. The bottom structure can include a helical groove structure, and the intermediary structure can include at least one pin that cooperates with the helical groove structure such that the pin and the helical groove structure guide the intermediary structure in both a rotational direction about the central axis and an axial linear direction along the central axis. The bottom structure can also include a linear groove structure configured to guide the top structure in a linear motion with respect to the bottom structure when the intermediary structure is rotated with respect to the bottom structure. | 03-05-2015 |
20150066147 | INTERBODY VERTEBRAL PROSTHETIC AND ORTHOPEDIC FUSION DEVICE WITH SELF-DEPLOYING ANCHORS - An intervertebral prosthesis includes: a body; at least three apertures extending from within the body; at least three anchoring elements disposed within the at least three apertures; and a drive mechanism operating to simultaneously push the at least three anchoring elements out through the apertures, where: a first deployment direction of a first of the anchoring elements includes: (i) a first substantial directional component in one of an anterior and posterior direction of the body; and (ii) a second substantial directional component parallel to the longitudinal axis of the body; a second deployment direction of a second of the anchoring elements includes: (i) a first substantial directional component in one of an anterior and posterior direction of the body; and (ii) a second substantial directional component parallel to the longitudinal axis of the body and opposite to the second substantial directional component of the first deployment direction of the first anchoring element; and the drive mechanism operates to move the first anchoring element at least some distance in the first deployment direction and to move the second anchoring element at least some distance in the second deployment direction. | 03-05-2015 |
20150066148 | Intervertebral Implant Facilitating Unilateral Placement, Instruments and Methods - Implants, tools and methods for performing unilateral posterior lumbar interbody fusion are provided. An interbody implant includes a body having a top and bottom surface extending along a length thereof; and first and second side surfaces extending between the top and bottom surfaces on opposite sides of the body. The height of the first side surface is greater than the height of the second side surface. | 03-05-2015 |
20150073554 | Device for Stabilizing a Vertebral Joint and Method for Anterior Insertion Thereof - A prosthetic device can be used as a prosthesis following a discectomy or a corpectomy. The prosthetic device includes two endplates with staggered motion limiting members. The device can be configured to allow six degrees of motion when comparing one endplate relative to the other. The endplates can be configured to fix the joint by changing the body held within the device and by adding a locking plate and fasteners. A method teaches how to insert a device to an intervertebral space via an anterior incision. | 03-12-2015 |
20150073555 | STAGED, BILATERALLY EXPANDABLE TRIAL - Systems and methods for distracting an intervertebral disc space are provided. The systems use a staged, bilaterally expandable trial. The systems and methods of distracting an intervertebral space are provided in a manner that addresses the problem of subsidence. The method includes inserting the trial into the intervertebral space in a collapsed state and, once inserted, the trial is then used for distracting the intervertebral space using an expansion that includes a first stage and a second stage. The first stage includes expanding the trial laterally toward the peripheral zones of the top vertebral plate and the bottom vertebral plate, and the second stage includes expanding the trial vertically to distract the intervertebral space. | 03-12-2015 |
20150073556 | Resorbable Interbody Device - A spinal interbody device fabricated of fully resorbable bioactive glass materials is used to maintain the intervertebral spacing in a fusion of adjacent vertebrae. The spinal interbody device can include regions of porous material having various levels of bioactivity so that fusion through ingrowth of bone tissue can be provided while regions of the spinal interbody device can continue to maintain the intervertebral space. | 03-12-2015 |
20150073557 | Spinal Fusion Cage System with Inserter - The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation. | 03-12-2015 |
20150073558 | RED LIGHT IMPLANTS FOR TREATING OSTEOPOROSIS - Red light implants for delivering red light to spinal implants to enhance osteointegration. | 03-12-2015 |
20150073559 | VERTEBRAL BODY REPLACEMENT DEVICE AND METHOD FOR USE TO MAINTAIN A SPACE BETWEEN TWO VERTEBRAL BODIES WITHIN A SPINE - A vertebral body replacement device includes a body member and a central rod member having two threaded portions and configured to be operatively associated with the body member. The device also includes a first end member and a second end member with the end members configured to threadingly engage the threaded portions of the central rod member. The body member and the two end members are further constructed to inhibit rotational movement of the two end members when the device is positioned within a space within a spine as the two end members will engage the adjacent respective vertebral bodies following rotational actuation of the central rod member causing the end members to move in an axial direction relative to the body member, thereby allowing the two end members to apply a force to the two vertebral bodies. A surgical instrument and method for using the device are also disclosed. | 03-12-2015 |
20150081023 | VERTEBRAL FACET JOINT PROSTHESIS AND METHOD OF FIXATION - Devices and methods for altering the spacing and motion at the facet joints of the vertebral column are provided. One embodiment of the invention comprises a prosthesis with surfaces configured to articulate with the facets of the facet joint. A retaining member for anchoring the prosthesis within the facet joint is optionally included. Methods for surgically and less invasively implanting the prosthesis and securing the prosthesis to the articular processes or surrounding soft tissue are also provided. | 03-19-2015 |
20150081024 | SPINAL TISSUE DISTRACTION DEVICES - Spinal tissue distraction devices that include a member which has a pre-deployed configuration for insertion between tissue layers and a deployed configuration in which the member, by change of configuration, forms a support structure for separating and supporting layers of spinal tissue | 03-19-2015 |
20150081025 | APPARATUS FOR USE IN SPINAL INTERBODY FUSION - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of expansion members or wafers in interlocking engagement. The expansion members are formed to each have a generally U-shaped rearward facing opening. The superior and inferior endplates have openings through their outer surfaces in at least partial alignment and communication with the rearward facing openings of the expansion members. The inferior endplate has a fully bounded cavity for telescoping receipt of the superior endplate. The inferior endplate also has a fully bounded channel extending through the rear endwall thereof in direct communication with the rearward facing opening of at least one expansion member for the receipt of bone graft material into the device to promote fusion between opposing vertebral bodies of the spine. | 03-19-2015 |
20150081026 | Spinal Spacer - A spinal spacer assembly is provided. The spinal spacer assembly includes a spinal spacer having a wall configured to enclose a hollow interior, wherein the wall is further configured to have a top portion and a bottom portion. The top and bottom portions are configured to include a plurality of protrusions configured to protrude away from the top and bottom portions. The wall is further configured to have a variable degree curvature and include a plurality of grooves and an opening. | 03-19-2015 |
20150081027 | SPINAL IMPLANT CONFIGURED FOR LATERAL INSERTION - The embodiments provide a spinal implant that is configured for lateral insertion into a patient's intervertebral disc space. The spinal implant may have a body having a tapered anterior portion and one or more apertures. The tapered anterior portion allows for concomitant distraction of soft tissue during insertion of the implant. In addition, at least some of the apertures are designed to permit a predetermined amount of nutation by a fixation element. The fixations elements that allow nutation enable the fixation element to toggle from one position to another, for example, during subsidence of the implant in situ. | 03-19-2015 |
20150088259 | SPINAL IMPLANT - Intervertebral disc prostheses and methods of use. An intervertebral disc prosthesis for installation in a spinal column may include a first intervertebral plate, a second intervertebral plate, and a removable insert core. The first intervertebral plate may engage one or both of the inferior vertebral endplate and the inferior ring apophysis of a superior vertebral body. The second intervertebral plate may engage one or both of the superior vertebral endplate and the superior ring apophysis of an inferior vertebral body. The removable insert core is located between and engages the intervertebral plates. A projection projects from one of the intervertebral plates toward the other intervertebral plate. The removable insert core at least partially surrounds the projection when installed. The removable insert core is removable from between the intervertebral plates and from around the projection while the intervertebral plates and projection remain installed. | 03-26-2015 |
20150088260 | APPARATUS FOR USE IN SPINAL INTERBODY FUSION - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of expansion members or wafers in interlocking engagement. The expansion members are formed to each have a generally U-shaped rearward facing opening. The superior and inferior endplates have openings through their outer surfaces in at least partial alignment and communication with the rearward facing openings of the expansion members. The inferior endplate has a fully bounded cavity for telescoping receipt of the superior endplate. The inferior endplate also has a fully bounded channel extending through the rear endwall thereof in direct communication with the rearward facing opening of at least one expansion member for the receipt of bone graft material into the device to promote fusion between opposing vertebral bodies of the spine. | 03-26-2015 |
20150094814 | MULTIPLE SPINDLE ADJUSTABLE INTERBODY FUSION DEVICES AND METHODS OF USE - An interbody fusion device includes a base member, a top member, and an expansion mechanism for moving the top member relative to the base member. The expansion mechanism may include a connector drive rod assembly, a gear, a threaded rod, and a support means. The gear ring is coupled to the threaded rod and is rotatable. The expansion mechanism may also include at least one load head coupled to the threaded rod. An alternative interbody fusion device is also disclosed and includes a bottom member, a superior member, and an expansion mechanism for moving the superior member relative to the bottom member. The expansion mechanism includes a first expansion assembly for moving a first end of the superior member relative to the bottom member, a second expansion assembly for moving a second end of the superior member relative to the bottom member, and a connector drive rod assembly. | 04-02-2015 |
20150094815 | SPINAL DISC ANNULUS CLOSURE DEVICE - An implant ( | 04-02-2015 |
20150094816 | SPINAL IMPLANTS AND RELATED INSTRUMENTS AND METHODS - Apparatus, methods, and systems relating to spinal implants and instruments for installing such implants. In some embodiments, a spinal implant may comprise an opening configured to receive an installation rod for installing the spinal implant within an intervertebral space of a patient. The opening may be positioned within a wall of the spinal implant, and may comprise a peripheral edge defined by the wall of the spinal implant. An installation rod may be provided that may be configured to be positioned within the opening of the spinal implant, and may comprise an engagement section configured to engage a portion of the spinal implant defining the opening at a location spaced apart from the peripheral edge such that the highest forces applied to the spinal implant in coupling the spinal implant with the installation rod during installation are not applied to the portion of the opening defined by the peripheral edge. | 04-02-2015 |
20150094817 | SPINAL IMPLANT AND METHOD OF USE - A spinal implant having a series of sections or units hinged together and a balloon connected to at least some of the sections, the balloon having a curved configuration. The implant has a first delivery configuration and a second curved placement configuration, wherein it has a more linear configuration in the first delivery configuration than in the second curved configuration. The implant assumes the first delivery configuration during delivery to the disc space and maintains the curved configuration after placement within the disc space. The curved configuration can result from filling or expanding the balloon. | 04-02-2015 |
20150100126 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises an implant body extending between an anterior surface and a posterior surface. The implant body includes a first vertebral engaging surface and a second vertebral engaging surface. The implant body includes an outer surface that defines an oblique surface. A wall is connectable with the implant body and translatable relative to the oblique surface. Systems and methods are disclosed. | 04-09-2015 |
20150100127 | Fixation System for Spinal Cages - The invention is a fixation system, which is developed for the treatment of diseases on cervical, thoracal and lumbar spine and especially to maintain the distance between two vertebras on the spine and achieve fusion, comprises of a main cage ( | 04-09-2015 |
20150100128 | Expandable Fusion Device and Method of Installation Thereof - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 04-09-2015 |
20150100129 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises an implant body extending between an anterior surface and a posterior surface and includes a first vertebral engaging surface and a second vertebral engaging surface. The implant body includes an inner surface that defines at least one cavity that is oriented to implant a fastener oblique relative to a lateral axis of a subject body and adjacent an intervertebral space of the subject body. The implant body includes an oblique surface that defines at least one opening disposed in substantial alignment with the at least one cavity. Systems and methods are disclosed. | 04-09-2015 |
20150100130 | EXPANDABLE INTERVERTEBRAL DEVICE, AND SYSTEMS AND METHODS FOR INSERTING SAME - An expandable interbody device for implantation within an intervertebral space is provided, together with methods and tools for use therewith. The interbody devices include a leading first and trailing second bearing member configured to expand laterally via connecting portions disposed at the trailing end of the first being member and at least the leading end of the second bearing member. In some forms, the connecting portions have an arcuate configuration. The insertion tool is configured expand the interbody device by holding the first bearing member while shifting the second bearing member. | 04-09-2015 |
20150100131 | EXPANDABLE VERTEBRAL PROSTHESIS - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 04-09-2015 |
20150105860 | SPINAL FUSION IMPLANT - The present invention provides a device and methodology for use in spinal fusion surgeries. An implant is proved for forming a rigid structure between adjoining vertebrae in a patient. The implant is a cage defined by at least a first end, second end, first side, and second side surface, wherein first and second side surfaces extend substantially parallel to each other to span a space between adjoining vertebrae and first and second ends interconnect said first side surface and second side surface. The cage incorporates one or more flexible joints that allow the cage to be deformed for insertion into a patient. The ability to deform the cage allows a greater ease and flexibility in inserting and positioning the implant. | 04-16-2015 |
20150112438 | METHOD OF EXPANDING AN INTRADISCAL SPACE AND PROVIDING AN OSTEOCONDUCTIVE PATH DURING EXPANSION - A method is provided for expanding an intradiscal space between opposing vertebral bodies by expanding an expandable interbody fusion device and establishing an osteoconductive path between the opposing vertebral bodies through the device during expansion. The device is expanded by introducing at least one intermediate element between an upper element and a lower element to achieve ligamentotaxis. Each of the upper element, intermediate element and lower element comprises a region of porous biocompatible material coated or impregnated with material having relatively high osteoconductive and osteoinductive properties. During and upon expansion the regions are stress loaded by the opposing vertebral bodies to promote fusion between the vertebral bodies through the device. | 04-23-2015 |
20150112439 | SPINAL IMPLANT AND INTEGRATION PLATE FOR OPTIMIZING VERTEBRAL ENDPLATE CONTACT LOAD-BEARING EDGES - An interbody spinal implant including a body and an integration plate having a top surface, a bottom surface, opposing lateral sides, opposing anterior and posterior portions, and a substantially hollow center in communication with a vertical aperture. The body is recessed in a way that portions of the integration plate protrude above the top and/or bottom surface of the body to enhance the resistance of the implant to expulsion from the intervertebral space. | 04-23-2015 |
20150112440 | APPARATUS FOR USE IN SPINAL SURGERY - Described here are deformable monolithic, stabilization devices, or implants, suitable for use within bone and between bones, for instance, to fuse vertebral bodies, to repair herniated discs, or to repair spinal compression fractures. The implants are introduced into a chose site at a first, smaller height and then plastically deformed to achieve a second, but unique, pre-selected, larger height. Variations of the device provide one or more specific larger heights. The devices are particularly suitable as intervertebral spinal fusion implants for the immobilization of adjacent vertebral bodies. Methods of deploying the implants are also described as are instruments for such deployment. | 04-23-2015 |
20150112441 | Interspinous Spacer and Facet Joint Fixation Device - A biologically implantable device including a spacer body and fasteners for fixing the spacer body in place between vertebrae, and a method for use of the device to improve intervertebral spacing and correct foraminal stenosis, and to immobilize facet joints and promote fusion of adjacent vertebrae to each other. A drill guide may be used in providing bores in the facet joints to receive the fasteners. | 04-23-2015 |
20150112442 | SYSTEMS AND TECHNIQUES FOR RESTORING AND MAINTAINING INTERVERTEBRAL ANATOMY - Techniques and systems for distracting a spinal disc space and supporting adjacent vertebrae are provided. Trial instruments are insertable into the disc space to determine a desired disc space height and to select a corresponding implant. Implants can be also be self-distracting and the implant providing the desired disc space height can be implanted in the spinal disc space. | 04-23-2015 |
20150119989 | Surgical Access System and Related Methods - A surgical access system including a tissue distraction assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor to a surgical target site. The tissue retraction assembly has a plurality of blades which may be introduced while in a closed configuration, after which point they may be opened to create an operation corridor to the surgical target site, including pivoting at least one blade to expand the operative corridor adjacent to the operative site. | 04-30-2015 |
20150119990 | Intervertebral Body Implant, Instrument and Method - Interbody implant systems and methods of implant interbody implants are described. In one aspect, an implant includes a body have a distal end portion and a proximal end portion and a first articulation surface formed at a proximal end of the proximal end portion. An insertion instrument includes an elongate shaft having a proximal end portion and a distal end portion; and a second articulation surface formed at a distal end of the distal end portion. The second articulation surface is configured to interface with the first articulation surface. An attachment member is configured to connect the implant to the insertion instrument. The attachment member is actuatable to compress the first and second articulation surfaces together in a locked configuration with sufficient force to prevent relative rotation between the first and second articulation surfaces. The attachment member is actuatable to reduce an amount of compression force existing in the locked configuration to place the first and second articulation surfaces in an unlocked configuration such that the first articulation surface can rotate relative to the second articulation surface. | 04-30-2015 |
20150119991 | INTERVERTEBRAL DISC PROSTHESIS AND METHOD - The present disclosure generally relates to an intervertebral disc prosthesis for partially or totally replacing an organic intervertebral disc. The disc prosthesis includes an interbody device, a face plate and a pair of locking mechanisms for achieving dual fixation in the cephalad and caudal direction. Methods according to the present disclosure achieve such dual fixation in a single fixation step. | 04-30-2015 |
20150119992 | SPINAL IMPLANT CO-INSERTION SYSTEM AND METHOD - A system and method for substantially simultaneous co-insertion of an implant, such as a cage and plate. An inserter is secured to the cage and plate and is used to hold the components while implanting the components during a surgical procedure. | 04-30-2015 |
20150127107 | CAGE HAVING SPIKE - The present invention relates to a cage which is inserted between vertebral bodies of a cervical vertebra or spine during an operation for treating a cervical disc disease, myelosis, or fracture of the cervical vertebra or spine, and more particularly, to a cage with spikes, including upper and lower spikes which are attached to a clip inserted into a main body of the cage, unfolded upward and downward from the main body, and locked to vertebral bodies of a cervical vertebra or spine positioned at the top and bottom of the cage such that the cage is fixed and locked between the vertebral bodies. | 05-07-2015 |
20150127108 | SPINAL FUSION IMPLANT WITH BONE SCREWS AND A BONE SCREW LOCK - An interbody spinal fusion implant made of a material other than bone adapted for placement across an intervertebral space formed across the height of a disc space between two adjacent vertebral bodies. The implant has a trailing end with a bone screw receiving hole for receiving at least one bone screw to engage the vertebral bodies. | 05-07-2015 |
20150127109 | INTERVERTEBRAL IMPLANT HAVING EXTENDABLE BONE FIXATION MEMBERS - An intervertebral implant is configured to be fixed in an intervertebral space defined by a first vertebral body and a second vertebral body. The intervertebral implant includes an implant body sized to be inserted into an intervertebral space, and a fixation assembly configured to be attached to the implant body. The fixation assembly includes a housing that defines a first vertebral body facing surface and a second vertebral body facing surface spaced from the first vertebral body facing surface along a transverse direction. The fixation assembly further includes at least one fixation member supported by the housing and movable from a retracted position to an extended position, whereby in the extended position the fixation member extends out from the housing and into one of the vertebral bodies. | 05-07-2015 |
20150134063 | SURGICAL IMPLANT DEVICES INCORPORATING POROUS SURFACES AND A LOCKING PLATE - A surgical implant device, comprising: a body portion defining a plurality of ports; a plurality of bone screws disposed partially through the plurality of ports defined by the body portion; a locking plate disposed over a head portion of at least one of the plurality of bone screws and engaging a plurality of recesses manufactured into a side of the body portion; and a screw operable for compressing the locking plate against the side of the body portion. Optionally, the surgical implant device further comprising: one or more surfaces comprising a plurality of protruding structures; wherein the body portion and the one or more surfaces comprising the plurality of protruding structures are integrally formed. The one or more surfaces comprising the plurality of protruding structures are formed by an additive manufacturing process. Optionally, the surgical implant device comprises one of an anterior lumbar interbody fusion cage and a cervical cage. | 05-14-2015 |
20150134064 | SPINAL IMPLANT WITH EXPANDABLE FIXATION - A spinal implant which is configured to be deployed between adjacent vertebral bodies. The implant has at least one fixation element with a retracted configuration to facilitate deployment of the implant and an extended configuration so as to engage a surface of an adjacent vertebral body and secure the implant between two vertebral bodies. Preferably, the implant is expandable and has a minimal dimension in its unexpanded state that is smaller than the dimensions of the neuroforamen through which it must pass to be deployed within the intervertebral space. Once within the space between vertebral bodies, the implant can be expanded so as to engage the endplates of the adjacent vertebrae to effectively distract the anterior disc space, stabilize the motion segments and eliminate pathologic spine motion. Angular deformities can be corrected, and natural curvatures restored and maintained. | 05-14-2015 |
20150142114 | Intervertebral Disk Cage and Stabilizer - A middle-expanded, removable intervertebral disk cage and stabilizer for stabilizing adjacent vertebrae and a method for intervertebral disk stabilization in which adjacent vertebrae are spread and a portion of the intervertebral disk is removed from between the adjacent vertebrae. | 05-21-2015 |
20150142115 | VERTEBRAL IMPLANT PROVIDED WITH A SELF-LOCKING AND UNLOCKING MEANS - The invention relates to a vertebral implant ( | 05-21-2015 |
20150142116 | Minimally Invasive Lateral Intervertebral Fixation System, Device and Method - An intervertebral fixation device is disclosed, which includes a weight-bearing shell, a first anchor, a second anchor, and a key. The shell includes a first and second opposing sidewalls at a distance from one another, a keyway that extends along at least a portion of the distance, and a first axis of rotation and a different second axis of rotation that extend along at least a portion of the distance and are outside the keyway. The first anchor is rotatably coupled to the weight-bearing shell about the first axis of rotation, and the second anchor is rotatably coupled to the weight-bearing shell about the second axis of rotation. The key is insertable into the keyway such that the first anchor and the second anchor are securable in divergent orientations with respect to the weight-bearing shell. | 05-21-2015 |
20150142117 | SPINAL IMPLANT APPARATUS AND METHODS - A method of inserting and positioning an intervertebral spacer is provided. The spacer includes a longitudinal axis, an on-axis interface coincident with or parallel to the longitudinal axis, and an off-axis interface angled to the longitudinal axis. The spacer's front end may be curved. The method may include inserting the spacer into the disc space utilizing a tool to engage an on-axis interface and then to engage one or more of the off-axis interfaces, which may be used for further modification of the spacer. The tool is moved substantially along a single insertion direction, which may be substantially parallel to a posterior-anterior axis of the disc space. The method may result in the longitudinal axis of the spacer being perpendicular to the insertion direction, or substantially parallel to a medial-lateral axis of the disc space. The spacer may also be positioned in an anterior aspect of the disc space. | 05-21-2015 |
20150142118 | SURGICAL SYSTEMS AND METHODS FOR IMPLANTING DEFLECTABLE IMPLANTS - Deflectable implants, systems and methods for implanting deflectable implants are disclosed. The deflectable implant includes at least one sequence of segments, the sequence includes at least two segments, the segments being interconnected at effective hinges, the sequence assuming a straightened or low curvature insertion state for insertion into the body, the sequence being deflectable to a fully deflected state defined by abutment of abutment features of adjacent of the segments. The deflectable implant includes further a linkage mechanically linked to at least part of at least one of the sequences of segments for deflecting the at least one sequence of segments from the insertion state towards the fully deflected state wherein the at least one sequence is at least part of a loop structure assuming a low profile folded state with the at least one sequence in the insertion state, and wherein deflection of the at least one sequence towards the fully deflected state generates an open state of the loop structure and wherein the loop defines an enclosed volume. | 05-21-2015 |
20150142119 | STAND ALONE ANTERIOR CAGE - The present invention teaches an improved spinal fusion implant and method of implanting same. The implant includes a shell and an insert, the insert capable of situating first and second plates of the shell with respect to each other and of preventing unwanted loosening of fasteners placed through the shell and into the adjacent vertebral bodies. The method includes implanting a shell, selecting an insert from a plurality of inserts, and placing an insert between first and second plates of the shell. | 05-21-2015 |
20150148907 | FUSION CAGE WITH COMBINED BIOLOGICAL DELIVERY SYSTEM - The present invention relates to an apparatus and method for near-simultaneous and integrated delivery of bone graft material during the placement of surgical cages or other medical implants in a patient's spine. The integrated fusion cage and graft delivery device according to various embodiments delivers and disperses biologic material through a fusion cage to a disc space and, without withdrawal from the surgical site, may selectably detach the fusion cage for deposit to the same disc space. The integrated fusion cage and graft delivery device is formed such that a hollow tube and plunger selectively and controllably place bone graft material and a fusion cage in or adjacent to the bone graft receiving area. | 05-28-2015 |
20150148908 | Articulating Interbody Cage and Methods Thereof - Provided are devices, systems and methods related to articulating interbody cages. The device includes a caudal plate configured to be positioned adjacent a first vertebral endplate within an intervertebral disc space, a cephalad plate configured to be positioned adjacent a second vertebral endplate within the intervertebral disc space; and a first and second sidewall each rotatably coupled to both the caudal and cephalad plates. At least one of the first and second sidewalls includes a hinge element restricted from achieving an on-center or over-center rotational position around the hinge element upon dimensional expansion of the device in at least a first dimension. | 05-28-2015 |
20150289986 | FLANGED ENDPLATE FOR AN INTERVERTEBRAL DISC PROSTHESIS AND INTERVERTEBRAL DISC PROSTHESIS INCORPORATING SAME - An endplate for an intervertebral disc prosthesis includes: a baseplate, sized and configured to fit within at least a portion of an intervertebral space, and an anterior portion having an outer vertebra-contacting surface extending outwardly from the baseplate at an acute angle with respect to an axis of the baseplate, and being provided with an opening configured to receive a fastener. | 10-15-2015 |
20150289989 | BONE FIXATION AND FUSION DEVICE - Disclosed is a bone fusion cage that contains bone graft and is implanted between bones in a skeletal system. The cage bears structural loads that are transmitted through the bones of the skeletal system and at least partially shields the contained hone graft from the structural loads. The cage is configured to provide a secondary load to the hone graft independent of the structural load to promote fusion of the bone graft to adjacent bones. | 10-15-2015 |
20150289991 | ADAPTABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral fusion implant comprises a body defining a longitudinal axis and extending between a first end and a second end. The body defines a first wall configured for engaging a first vertebral surface and a second wall configured for engaging a second vertebral surface. The first wall is connected to the second wall. The first wall is movable relative to the second wall such that the body is deformable from a first, initial implanted configuration such that the body is disposed between the first vertebral surface and the second vertebral surface for fixation thereof and a second configuration such that the body is deformed relative to the first configuration to adapt to an orientation of the first vertebral surface and the second vertebral surface. Methods of use are disclosed. | 10-15-2015 |
20150289993 | END PLATE SLIDER/DISTRACTOR FOR POSTERIOR INTERVERTEBRAL DEVICE AND METHOD - A device and method for spreading apart adjacent vertebrae bodies for the safe insertion of an IBD into an IVD space said device designed for minimally invasive procedures and posterior or anterior approaches. | 10-15-2015 |
20150297356 | Stand Alone Intervertebral Fusion Device - An angled fixation device, such as an angled screw. This angled fixation device may be used by the surgeon to secure a spacer to a spinal disc space. The proximal end portion of the angled fixation device is driven perpendicular to the anterior wall of the spacer, and so is parallel to the vertebral endplates and in-line with the inserter. The distal end portion of the angled fixation device is oriented at about a 45 degree angle (plus or minus 30 degrees) to the vertebral endplate it enters. | 10-22-2015 |
20150297358 | INTERSOMATIC CAGE - The invention relates to an intersomatic cage comprising a body ( | 10-22-2015 |
20150305878 | Patient-Specific Spinal Fusion Cage and Methods of Making Same - A method of determining disc space geometry with the use of an expandable trial having endplate-mapping capabilities. An expandable trial is inserted into the disc space and its height is adjusted to obtain the desired decompression and spinal alignment (which is typically confirmed with the use of CT or Fluoroscopic imaging). The endplate dome/geometry dome is then determined by one of the following three methods:
| 10-29-2015 |
20150305879 | PROSTHESIS INTERSOMATIC OF LUMBAR AND SACRAL FUSION APPLIED IN THE PATHOLOGY TREATMENT OF SAGITTAL MISALIGNMENT TYPE - IMPROVEMENT IN PROSTHESIS INTERSOMATIC OF LUMBAR AND SACRAL FUSION APPLIED IN THE TREATMENT OF PATHOLOGY OF TYPE MISALIGNMENT SAGITTAL represented by a solution in evolutionary medicine, especially in the segment of medicine known as orthopedics, and more specifically in the area relevant to the treatment of diseases in the region of the lumbar spine and sacrum, where with the introduction of the new prosthesis (Pr) is made possible as an alternative treatment to the sagittal alignment, being preferably an alternative treatment for osteotomy technique of pedicle subtraction (OSP), given that minimizes the occurrence Complications of neurological nature, being that the monolithic body ( | 10-29-2015 |
20150305880 | PERCUTANEOUS INTERVERTEBRAL ARTIFICIAL DISC REPLACEMENT FOR MINIMAL INVASIVE SURGERY - An artificial disc replacement to be inserted between adjacent vertebrae includes a U shaped disc body to support an upper and a lower vertebrae and to provide elasticity when inserted between adjacent vertebrae; a disc holder located inside of the disc body having protrusions engaging with upper and lower vertebrae through openings at the top and bottom of disc body and to prevent dislocation of the disc from adjacent vertebrae, wherein the protrusions engage with an upper and a lower vertebrae through openings at the top and bottom of artificial disc body; and two bumps each having a coupling blaze facing the upper or lower vertebrae, wherein the disc holder is insertable inside of the disc body and wherein each coupling blaze is engaged by rotating the disc holder. | 10-29-2015 |
20150305882 | VERTEBRAL BODY REPLACEMENT - This invention concerns a vertebral body replacement element to be inserted into an intervertebral space, thus supporting the spinal column of a patient. The vertebral body replacement element has a hollow upper member and a hollow lower member, with the upper member and lower member engaging in a telescopic manner and establishing a cavity between the two members when assembled. Spacers may be inserted in the cavity to lengthen the vertebral body replacement element. The present invention further concerns a system and method for expanding and distracting a vertebral body replacement element into and within the spinal column of a patient. | 10-29-2015 |
20150305883 | SPINAL IMPLANT WITH ATTACHMENT SYSTEM - The embodiments of the present disclosure relate to a spinal implant assembly having features to prevent or minimize fixation elements, such as screws, from being dislodged, or from backing out over time and with use. The spinal implant assembly may comprise an implantable body having first apertures for receiving fixation elements. A plate configured to nest against the posterior portion of the implantable body and comprising one or more second apertures can be provided. These second apertures permit access to the head portions of the fixation elements. One or more locking elements are then passed through the second apertures and engage the head portions of the fixation elements. In addition, the plate may comprise an adjustable arm to allow the plate to be used with implantable bodies of different size. | 10-29-2015 |
20150305885 | EXPANDABLE INTERVERTEBRAL IMPLANT - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 10-29-2015 |
20150305886 | INTERBODY VERTEBRAL PROSTHETIC AND ORTHOPEDIC FUSION DEVICE WITH SELF-DEPLOYING ANCHORS - An intervertebral prosthesis includes: a body; a first aperture extending from within the body and opening; a first anchoring element disposed within the first aperture and including a shaft having proximal and distal ends, where the proximal end of the first anchoring element includes a first portion of a first articulation mechanism; and a drive mechanism having: (i) a threaded shaft defining a longitudinal axis thereof and a head at a proximal end of the threaded shaft, (ii) a translator element having a threaded bore in threaded engagement with the threaded shaft, and a coupling element having a corresponding second portion of the first articulation mechanism, where the first and second portions of the first articulation mechanism engage one another such that the first anchoring element articulates relative to the a translator element. | 10-29-2015 |
20150305887 | LIMITED PROFILE INTERVERTEBRAL IMPLANT WITH INCORPORATED FASTENING MECHANISM - In some embodiments, an intervertebral implant may include a body including a superior and an inferior surface. The implant may include a first channel extending from an anterior end towards the posterior end of the body. The implant may include a first anchor channel The implant may include a first guide member positionable in the first channel The implant may include a first anchor. When the first guide member moves from a first position to a second position the first anchor may be conveyed through the first anchor channel and couple the body to an adjacent vertebra. | 10-29-2015 |
20150305888 | SELF-DISTRACTING CAGE - Various spinal implants and methods for stabilizing the spine are provided. In one exemplary embodiment, a spinal implant is provided having an expandable container with an interior volume that is selectively expandable between a compressed condition and an expanded condition. The expandable container is coupled to a superior endplate member having a bone-contacting surface and an engagement surface effective to mate with a superior surface of the expandable container, and an inferior endplate member having a bone-contacting surface and an engagement surface effective to mate with an inferior surface of the expandable container. In addition, at least one inlet port is formed in the expandable container and is effective to communicate a fluid to at least one cavity disposed within the interior volume of the expandable container. | 10-29-2015 |
20150305889 | INTERVERTEBRAL IMPLANT, INSERTION TOOL AND METHOD OF INSERTING SAME - An intervertebral implant, alone and in combination with an insertion tool for inserting same and a method for inserting same. The implant has upper and lower parts which have universal movement relative to each other. Each of the upper and lower parts also has a surface engaging an adjacent vertebrae. Each part has a keel extending from said surface into a cutout in the adjacent vertebrae, and each keel has an anterior opening recess therein. An insert tool has a pair of arms which are received in the recess of the keels through the anterior opening to securely hold and insert the implant. Projections and matching indentations in each arm and the base of its recess securely attached each arm within its keel. | 10-29-2015 |
20150313716 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 11-05-2015 |
20150313719 | EXPANDABLE INTERBODY SPACER - Embodiments of the present disclosure relate to devices and methods for treating one or more damaged, diseased, or traumatized portions of the spine, including intervertebral discs, to reduce or eliminate associated back pain. In one or more embodiments, the present disclosure relates to an expandable interbody spacer. The expandable interbody spacer may comprise a first jointed arm comprising a plurality of links pivotally coupled end to end. The expandable interbody spacer further may comprise a second jointed arm comprising a plurality of links pivotally coupled end to end. The first jointed arm and the second jointed arm may be interconnected at a proximal end of the expandable interbody spacer. The first jointed arm and the second jointed arm may be interconnected at a distal end of the expandable interbody spacer. | 11-05-2015 |
20150313721 | Stand Alone Intervertebral Fusion Device - An angled fixation device, such as an angled screw. This angled fixation device may be used by the surgeon to secure a spacer to a spinal disc space. The proximal end portion of the angled fixation device is driven perpendicular to the anterior wall of the spacer, and so is parallel to the vertebral endplates and in-line with the inserter. The distal end portion of the angled fixation device is oriented at about a 45 degree angle (plus or minus 30 degrees) to the vertebral endplate it enters. | 11-05-2015 |
20150320571 | Intervertebral Implant - An intervertebral implant includes a three-dimensional body and a securing plate. The three-dimensional body includes a front surface and a rear surface. The three-dimensional body further includes a plurality of boreholes for accommodating fixation elements. The intervertebral implant also includes a front plate disposed at the front surface of the three-dimensional body and has a plurality of boreholes. A securing plate can be fastened to the front plate. | 11-12-2015 |
20150328006 | EXPANDABLE ANTERIOR LUMBAR INTERBODY FUSION DEVICE - An expandable anterior lumbar interbody fusion device comprises a deformable monolithic body having posterior and anterior ends, an upper bone contact structure and a lower bone contact structure. The body is expandable along a height axis between a first smaller height to a second larger height. The body comprises a pair of opposed side structures, each including a translatable center section being movable in a direction transverse to the height axis, a first locator arm adjacent the posterior end, a second locator arm adjacent the anterior end and a pair of formable load-bearing columns supported by the upper bone contact structure, the lower bone contact structure and the center section. The columns are not formed at the first height but are operative upon expansion of the body to the second height to form load-bearing columns along the height axis between the upper and lower bone contact structures. | 11-19-2015 |
20150328008 | OBLIQUE EXPANDING FUSION CAGE DEVICE AND METHOD - An oblique expanding fusion cage device including a body with a superior portion and an inferior portion. The superior portion and the inferior portion have a proximal end and a distal end. The fusion cage device also includes a pathway, an opening, and an expanding member. The pathway travels from the proximal end to the distal end of the device between the superior and inferior portions. The opening in the proximal end of the body enables access to the pathway. The expanding member may be re movably inserted into the opening and is moveable toward the distal end of the body, wherein the expanding member engages the superior portion and the inferior portion as the expanding member moves distally within the pathway. | 11-19-2015 |
20150328009 | Standalone Interbody Implants - Stand-alone interbody fusion devices for engagement between adjacent vertebrae. The stand-alone interbody fusion devices may include a spacer or endplates and one or more inserts, members, or frames coupled to the spacer or endplates. The inserts, members, or frames may be configured and designed to provide the apertures which are designed to retain bone fasteners, such as screws or anchors, and secure the implant to the adjacent vertebrae. | 11-19-2015 |
20150328010 | STANDALONE INTERBODY IMPLANTS - Stand-alone interbody fusion devices for engagement between adjacent vertebrae. The stand-alone interbody fusion devices may include frames and one or more endplates coupled to the frame. The frame may be configured and designed to provide the apertures which are designed to retain bone fasteners, such as screws or anchors, and secure the implant to the adjacent vertebrae. | 11-19-2015 |
20150328011 | SPINAL IMPLANTS WITH STEM CELLS - A spinal implant device has a synthetic or metallic or a combination thereof of these materials in an implant body structure and stem cells in a coating, or a sheet, wrap or a membrane wrap applied to surfaces on the implant body structure or alternatively filled with a plug of stem cell laden material. The implant body structure preferably has an aperture or channel. The spinal implant device may include anchoring holes to secure the device to the spinal skeletal structure with fasteners or alternatively can simply be held in place by and between adjacent vertebrae. | 11-19-2015 |
20150328012 | METHOD FOR INSERTING AND POSITIONING AN ARTIFICIAL DISC - A method for inserting an intervertebral artificial disc is provided with the intervertebral disc including a first endplate having a plurality of protrusions for attaching to an adjacent vertebrae and an extension portion extending towards a second adjacent vertebrae. A second endplate is provided with a plurality of protrusions for attaching to a second adjacent vertebrae and an extension portion extending towards the first adjacent vertebrae. A flexible member having an upper portion and a lower portion and a slider plate positioned within the upper portion of the flexible member is also provided. The extension portion of the first endplate is adapted to fit within a first cavity in the upper portion of the flexible member and the extension portion of the second endplate is adapted to fit within a second cavity in the lower portion of the flexible member. | 11-19-2015 |
20150328013 | Expandable Vertebral Body Replacement System and Method - Vertebral body replacement apparatuses, systems, and methods are provided. In various examples, an implantable device is configured to be inserted between a first vertebral body and a second vertebral body. The implantable device includes a first endplate configured to contact a superior endplate of the first vertebral body. A central member is pivotably coupled to the first endplate. A second endplate is configured to contact an inferior endplate of the second vertebral body. The implantable device includes a first insertion configuration and a second load-bearing configuration. The first insertion configuration includes the central member at a first angular position with respect to the first endplate. The second load-bearing configuration includes the central member at a second angular position with respect to the first endplate and the second endplate in a load-bearing position. | 11-19-2015 |
20150328014 | EXPANDABLE INTERBODY FUSION DEVICE - An expandable interbody fusion device includes superior and inferior endplates that are configured to receive a sequentially inserted stack of interlocking expansion members or wafers. The like-configured wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. One of the interlocking features includes a plurality of prongs projecting from an upper surface of the wafers and into a recess defined in the lower surface of an adjacent previously inserted like-configured wafer. The prongs and recesses are configured to prevent retrograde movement of each new wafer in a direction opposite the direction of insertion. Other interlocking features prevent movement in the direction of insertion, transverse to the insertion direction and vertically within the stack. | 11-19-2015 |
20150335372 | METHOD AND IMPLANT SYSTEM FOR SACROILIAC JOINT FIXATION AND FUSION - An improved method of implanting a bone graft in a joint and tools for accomplishing the same is disclosed. The present invention relates generally to tools and methods useful for treating a sacroiliac joint. In one embodiment, the present invention is a method including the steps of: creating a first incision in the patient's skin proximal to the patient's sacroiliac joint; creating an incision in the patient's skin over the patient's ilium; inserting a first working channel into said first incision and spreading said sacroiliac joint with an inserted end of said first working channel; inserting a second working channel into said second incision and forming a hole in said ilium; creating a void in said sacroiliac joint; inserting a graft into said void; and inserting a joint fusing device into said ilium and said sacrum. | 11-26-2015 |
20150335442 | APPARATUS AND METHOD FOR EXPANDING OPPOSING BODY TISSUE - An elongate inserter has a distal end releasably connected to an expandable interbody fusion device and a proximal end including a trigger actuator. The interbody fusion device comprises a superior endplate and an inferior endplate that are movable in an expansion direction relative to each other in the intradiscal space. The inserter includes a lifting platform and an elevator that define cooperatively engaging ramps and ramps surfaces that upon operation of the trigger actuator cause the superior and inferior endplates to move relatively away from each other. A driver is supported by the inserter for pushing an insert into the expanded device between the superior and inferior endplates. | 11-26-2015 |
20150335443 | LOW PROFILE PLATE - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 11-26-2015 |
20150335445 | EXPANDABLE SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises a first member defining a longitudinal axis and including a wall that defines an axial cavity and at least one lateral opening configured for disposal of an instrument. A second member is configured for disposal with the axial cavity and includes a wall having an axial surface disposed along a thickness thereof. The axial surface defines at least a portion of an axial opening and includes a plurality of gear teeth disposed therealong. The instrument is engageable with the teeth to axially translate the second member relative to the first member. Systems and methods of use are disclosed. | 11-26-2015 |
20150335446 | Expandable Spacer and Method of Use Thereof - An expandable implant is disclosed having an adjustable height for insertion between two adjacent bony structures or joint surfaces, for example between two adjacent spinal vertebrae. The implant includes at least one gear associated with at least one threaded shaft. Rotation of the gear engages the threaded shaft to expand the implant. The implant can be inserted in a collapsed configuration and expanded in situ. The invention also provides methods for using the implant to facilitate arthrodesis or fusion of adjacent joint surfaces or spinal vertebrae. | 11-26-2015 |
20150335447 | Devices and Methods for Treating Tissue Defects - The present disclosure describes embodiments for treating a defect in a tissue, the tissue having internal and external surfaces. A device includes a first portion for positioning at one of the internal and external surfaces for applying a treatment force to the defect. In addition, the device has a second portion for applying a counter-force, where the second portion is operable to be positioned so that the counter-force is applied on the other of the internal and external surfaces, away from the defect so as to substantially avoid application of force at the defect. Furthermore, the device includes a coupling member for connecting the inner and outer portions. Methods of using the device are described, for example in an intervertebral disc having a herniation. | 11-26-2015 |
20150342746 | SYSTEM, METHOD AND APPARATUS FOR SIMULATING INSERTIVE PROCEDURES OF THE SPINAL REGION - Sensor information is received that indicates insertion of an insertion mechanism into a mechanical body. A virtual representation of the spinal region is generated. The insertion mechanism is represented graphically, as part of the virtual representation, as the insertion mechanism is inserted into the mechanical body | 12-03-2015 |
20150342747 | Medical Implants With Increased Hydrophilicity - Devices such as orthopedic implants are composed of a thermoplastic resin such as polyaryletheretherketone (PEEK), and include a ceramic species, such as a zeolite, to enhance its hydrophilic properties. The ceramic species can be a surface coating, can be incorporated or embedded into the thermoplastic resin, or can be both a surface coating and incorporated or embedded into the resin. In certain embodiments, the ceramic species is zeolite that is incorporated into the device, especially at the exposed surface of the device, and is devoid of antimicrobial metal ions. The device is introduced into the body surgically. | 12-03-2015 |
20150342749 | Spinal Implant Device - A spinal fusion device that is expandable. The device features a top and bottom surface for engaging adjacent vertebrae, a hollow center for stacking of bone or bone growth material, and a slidable mechanism with grooves for expanding or unexpanding the device. | 12-03-2015 |
20150342750 | Low Profile Intervertebral Implant - The present invention is directed to a low profile intervertebral implant for implantation in an intervertebral disc space in-between adjacent vertebral bodies. The intervertebral implant includes a plate preferably coupled to a spacer. The plate is preferably formed from a first material and the spacer is preferably formed from a second material, the first material being different from the second material. The plate is preferably sized and configured so that the plate does not extend beyond the perimeter of the spacer. In this manner, the plate preferably does not increase the height profile of the spacer and the plate may be implanted within the intervertebral disc space in conjunction with the spacer. | 12-03-2015 |
20150342752 | SPINE SURGERY DEVICE - The invention relates to a device intended to replace or partially replace one or more vertebral bodies or intervertebral discs in the cervical, thoracic or lumbar spine, and includes methods for its use and deployment. The invention may be used to restore biomechanical parameters correlating with improved patient outcomes and also involves a method for a more effective discectomy or corpectomy prior to graft deployment. | 12-03-2015 |
20150342755 | INSERTION INSTRUMENT FOR INTERVERTEBRAL IMPLANTS - An insertion tool for positioning intervertebral spacers into disc spaces. The insertion tool has a proximal end and a distal end, a T-handle secured to the proximal end and a pair of alignment rails extending to the distal end. The insertion tool includes a handle secured to the proximal end of the guide rails, and a shaft that extends through the handle, whereby the shaft has a threaded portion that extends to the T-handle. The insertion tool also includes a blocker that is secured to the distal end of the shaft. The blocker includes stop arms that guide the blocker through the guide rails and toward the distal end of the shaft. The blocker may be provided in a plurality of different sizes corresponding to the sizes of the implants to be inserted into a disc space. A lock is provided for locking the implant to the shaft. | 12-03-2015 |
20150342757 | OPTICAL TRIAL DEVICE - An optical trial implant device that can be used to determine an appropriate size for an intervertebral disc implant can be configured so that one or more portions of the device can be optically transparent or radiolucent. The device can include an imaging device that can be used to view and image the intervertebral space through the optically transparent portion(s) of the device. The device can be used to determine the extent and quality of preparation of an intervertebral space between adjacent vertebral bodies for a surgical procedure, such as a disc replacement or spinal fusion procedure. The acquired image information can be transmitted to a mobile computing device for display in real time and/or stored for future use. The information may also be used to determine parameters indicating the quality of endplate surface preparation. | 12-03-2015 |
20150351922 | PIVOTABLE INTERBODY IMPLANT SYSTEM - An interbody implant system is provided. The interbody implant system includes an implant having an engagement surface and an instrument including a first member and a second member that is movable relative to the first member. The first member is configured to capture the implant and the second member includes an interface configured to engage the engagement surface to releasably lock the implant in at least one orientation relative to the second member. The at least one of the engagement surface and the interface include at least one planar face. Methods of use are disclosed. | 12-10-2015 |
20150351923 | Bilaterally Expanding Intervertebral Body Fusion Device - An embodiment includes an expandable intervertebral body fusion device with two expansion wedges within a generally hollow main body. After implantation into the intervertebral disc space, the expansion wedges are simultaneously moved from the center of the device toward the ends, which flexes the arms of the cage and increases the size of the implant. This expansion stabilizes the device in the disc space and increases the disc height, thereby reducing foraminal compression of spinal nerves and creating a stable motion segment for eventual fusion. Other embodiments are described herein. | 12-10-2015 |
20150351924 | APPARATUS FOR LOCATING THE POSITION OF A SPINAL IMPLANT DURING SURGERY - An apparatus and method for locating the position of a spinal implant in an intradiscal space patient during surgery, comprising a spinal implant formed of radiolucent material and a releasably attached inserter comprising a positioning element including thereon a marker of material more radiopaque than the material of the spinal implant. The positioning element extends into the implant such that the marker is positioned at a predetermined location within the implant, the positioning element with the radiopaque maker being removable from the spinal implant after insertion. In a particular method of locating the position of the spinal implant, the spinal implant is inserted from the lateral approach. | 12-10-2015 |
20150351925 | ADJUSTABLE INTERBODY FUSION DEVICE AND METHOD OF USE - Interbody fusion devices, interbody fusion device systems, insertion tools, methods for assembling an interbody fusion device, and methods a method for inserting a medical device between two vertebral bodies are disclosed. The interbody fusion device includes a body member with a pivot cylinder, a superior member with a pivot channel that is configured to engage the pivot cylinder, and a movement mechanism for moving the superior member relative to the body member. The interbody fusion device systems may include an interbody fusion device and an insertion tool. Also disclosed is a method of assembling an interbody fusion device. In addition, a method for inserting a medical device between two vertebral bodies in a spine is disclosed. | 12-10-2015 |
20150351926 | ARTIFICIAL DISCS - A four-component artificial intervertebral disc may provide six degrees of movement: flexion, extension, lateral bending, axial rotation, axial deflection, and anterior/posterior translation. The disc may include a superior endplate, a superior core, an inferior core, and an inferior endplate. The superior endplate may include a concave mating surface, and the inferior endplate may include a spherical mating surface. The superior endplate may roll across the superior core to provide flexion, extension, and lateral bending. The superior endplate may twist or rotate atop the superior core to provide axial rotation, and the superior endplate may slide over the superior core to provide anterior/posterior translation. The superior core may be connected to the inferior core, and the inferior core may be connected to the inferior endplate. The inferior core may be made from a flexible material that may enable the artificial disc to expand or compress vertically. | 12-10-2015 |
20150351927 | EXPANDABLE SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant includes a first member having a wall that defines an axial cavity. A second member extends between a first end and a second end and defines a longitudinal axis. The second member is configured for disposal with the axial cavity and translation relative to the first member. A third member has an outer surface engageable with tissue and an inner surface disposed to dynamically engage the first end in response to the engagement of the outer surface with the tissue. Systems and methods are disclosed. | 12-10-2015 |
20150351928 | RADIALLY EXPANDABLE SPINAL INTERBODY DEVICE AND IMPLANTATION TOOL - A radially expandable spinal interbody device for implantation between adjacent vertebrae of a spine is deliverable to an implant area in a radially collapsed state having minimum radial dimensions and once positioned is then radially expandable through and up to maximum radial dimensions. The expanded radially expandable spinal interbody device is configured to closely mimic the anatomical configuration of a vertebral face. The radially expandable spinal interbody device is formed of arced, pivoting linkages that allow transfiguration from the radially collapsed minimum radial dimensions through and up to the radially expanded maximum radial dimensions once deployed at the implant site (i.e. between adjacent vertebrae). The pivoting linkages have ends with locking features that inhibit or prevent overextension of the linkages. In one form of the locking features, one end of the linkage includes lobes that form a pocket while the other end of the linkage includes a projection that is adapted to be received in the pocket of the lobes of an adjacent linkage. A kit is also provided including a tool for the implantation and deployment of the spinal interbody device into an intervertebral space. | 12-10-2015 |
20150351930 | SUPPORT DEVICE AND METHOD OF USE - Devices and methods for orthopedic support are disclosed. The device can have a first rigid section hingedly attached to a second rigid section. The device can be curved or rotated around obstructions along an access path to a target site. The device can be delivered to an intervertebral location in a patient. | 12-10-2015 |
20150359569 | APPARATUS FOR PROMOTING MOVEMENT OF NUTRIENTS TO INTERVERTEBRAL SPACE AND METHOD OF USE - Devices and methods are disclosed for treating an intervertebral space. A device is provided that extends from the middle of at least one vertebral body to the disc space between two adjacent vertebrae. The device allows nutrients, such as bone marrow, blood, etc., to migrate from the vertebral body to the disc space to help promote fusion of the two adjacent vertebral bodies. The device can be tubular, perforated and can be made of an absorbent or wicking material that is able to promote the nutrients to travel through the apparatus. | 12-17-2015 |
20150366590 | SPINAL FIXATION PLATES - Spinal fixation plates for maintaining adjacent vertebrae in and fixed position are provided. In an exemplary embodiment, the plate includes opposed superior and inferior portions that are angled in a direction anterior to an anterior face of a mid-portion of the plate. The plate also includes a curvature formed therein about a longitudinal axis in a sagittal plane thereof. In use, when the plate is attached to adjacent vertebrae, the angle of the superior and inferior portions and the curvature in the plate are effective to position one or more thru-bores formed in the superior and inferior portions at the anterior rims of the adjacent vertebrae. In another embodiment, a spinal fixation plate is provided that is adapted to engage and mate to a fusion cage or other vertebral implant disposed between adjacent vertebra. The present invention also provides spinal fixation kits or assemblies, and methods for implanting the same. | 12-24-2015 |
20150366673 | PLASTICALLY DEFORMABLE INTER-OSSEOUS DEVICE - Described here are deformable monolithic, stabilization devices, or implants, suitable for use within bone and between bones, for instance, to fuse vertebral bodies, to repair herniated discs, or to repair spinal compression fractures. The implants are introduced into a chosen site at a first, smaller height and then plastically deformed to achieve a second, but unique, pre-selected, larger height. Variations of the device provide one or more specific larger heights. The devices are particularly suitable as intervertebral spinal fusion implants for the immobilization of adjacent vertebral bodies. Methods of deploying the implants are also described as are instruments for such deployment. | 12-24-2015 |
20150366674 | Low Profile Plate - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 12-24-2015 |
20150366675 | EXPANDABLE FUSION DEVICE AND METHOD OF INSTALLATION THEREOF - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 12-24-2015 |
20150366676 | UNIDIRECTIONAL DYNAMIC INTERBODY FUSION DEVICE AND METHOD OF USE - An interbody fusion device includes a top member, a base member, and an expansion member. The top member includes a first bone-engaging side and a threaded opening. The base member is received by the top member and includes a second bone-engaging side and an open cavity aligned with the threaded opening of the top member. The expansion member is disposed within the open cavity for rotation about an axis. The expansion member includes a threaded portion threadably engaged with the threaded opening. Rotation of the expansion member translates the first bone-engaging side away from the second bone-engaging side along the axis. | 12-24-2015 |
20150374504 | HERNIATED DISC REPAIR - Systems for minimally invasive disc augmentation include an anulus augmentation component and a nucleus augmentation component. Both are suited for minimally invasive deployment. The nucleus augmentation component restores disc height and/or replaces missing nucleus pulposus. The anulus augmentation component shields weakened regions of the anulus fibrosis and/or resists escape of natural nucleus pulposus and/or the augmentation component. Methods and deployment devices are also disclosed. Method of supporting and augmenting a nucleus pulposus by inserting a flexible biocompatible material into the disc space using an anchoring means are also provided. | 12-31-2015 |
20150374505 | MULTI-LOBE ARTIFICIAL SPINE JOINT - An artificial disc is provided which more closely matches the movement of the natural spine. The artificial disc uses one or more projections and corresponding recesses to provide a sliding articulation. The artificial joint is inherently stable in that compressive forces placed on the disc such as the weight placed upon the joint or the tension of surrounding tissues urges the joint towards a neutral position and not farther away from a neutral position. | 12-31-2015 |
20150374508 | EXPANDABLE INTERVERTEBRAL FUSION DEVICE - An expandable intervertebral fusion device is provided including a core, an upper endplate for contacting a first vertebral body and a lower endplate for contacting a second vertebral body. The expandable intervertebral fusion device is configurable in a first state, a second state and a third state. In the first state, the upper and lower endplates are generally planar to one another and define a first height. In the second state, the upper and lower endplates remain generally planar to one another and define a second height greater than the first height. In the third state, a lordotic angle is defined between the upper and lower endplates. | 12-31-2015 |
20150374509 | EXPANDABLE INTERBODY FUSION DEVICE WITH NESTED CORRECTION SURFACE - An expandable interbody fusion device includes a superior endplate and an inferior endplate. The superior endplate is designed and structured to be angled; the angled surface of the superior endplate becomes prominent upon expansion. The inferior endplate has a bounded cavity in which the superior endplate is fully nested in an unexpanded condition. In a fully expanded condition, the entire outer surface of the superior endplate moves out of the cavity and above an upper surface of the inferior endplate. | 12-31-2015 |
20150374510 | INTERVERTEBRAL IMPLANT WITH IMPROVED SHAPE OF THE FIXING PLATE - An intervertebral implant ( | 12-31-2015 |
20150374511 | Nubbed Plate - A separate nub component between the plate and an intervertebral fusion cage, wherein the nub is attached to the plate. The nub lessens the undesired pivotal movement of the plate. It is believed that when the nub fits snugly between the endplates of the adjacent vertebral bodies, it acts as a stop against the undesired pivotal movement of the plate. | 12-31-2015 |
20150374512 | EXPANDABLE FUSION DEVICE AND METHOD OF INSTALLATION THEREOF - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 12-31-2015 |
20160000573 | INTERVERTEBRAL IMPLANT - An intervertebral spacer and stabilization implant includes a plate having sockets configured for retaining a fastener passable through the socket and into an adjacent vertebral body. One or more connecting projections extend from a side of the plate, to mate with projections extending from a spacer body. A plurality of teeth project from at least one of the upper or lower surfaces of the spacer body, and a chamber is formed through the spacer body to enable bone fusion between the vertebrae. The combined plate and spacer may be inserted to lie completely within the intervertebral space, or a portion of the plate may overlie a vertebral body. | 01-07-2016 |
20160000574 | SPINE SURGERY METHOD AND IMPLANT - An implant has a first contact surface to contact a first vertebral body endplate and a second contact surface to contact a second vertebral body endplate adjacent the first vertebral body. The implant is deployable, when positioned within an intradiscal space between the first and second vertebral bodies, from a first non-expanded condition where the first contact surface has a first effective footprint area A | 01-07-2016 |
20160000575 | SPINAL IMPLANT AND METHODS OF MANUFACTURE THEREOF - Disclosed herein is an invertebral disc prosthesis comprising a first cantilever arm; the first cantilever arm comprising a shaft that is affixed to a disc; a second cantilever arm that comprises a plurality of rods that contact the disc; the plurality of rods being equidistant from a central axis of the shaft; and a third cantilever arm that comprises a platform to which are attached a plurality of rings; the rings being concentrically disposed about the shaft; the rings being in operative communication with each other; where the plurality of rods contacts the platform; and where the second cantilever arm has more degrees of freedom than the first cantilever arm, while the third cantilever arm has a number of degrees of freedom that are greater than or equal to the number of degrees of the second cantilever arm. | 01-07-2016 |
20160000576 | INTERVERTEBRAL FUSION DEVICE UTILIZING MULTIPLE MOBILE UNIAXIAL AND BIDIRECTIONAL SCREW INTERFACE PLATES - This invention relates to a spinal fusion system and method for use as a prosthetic implant. The system and method includes a housing dimensioned to be situated between adjacent spinal bones, such as adjacent vertebrae. The housing cooperates with the spinal bones to define at least one or a plurality of graft areas for receiving graft material, which may be pre-packed into the cage or inserted anteriorly into the housing during a surgical operation such as a vertebrectomy or discectomy. A housing may have various features such as migration preventers to prevent the housing from migrating posteriorly towards a spinal column and can be used with a cover that permits the housing to “float” relative thereto. Screws are provided in one embodiment and are dimensioned or configured to lock against each other to retain the screws and, consequently, the cover in place. | 01-07-2016 |
20160000577 | IN-SITU FORMED INTERVERTEBRAL FUSION DEVICE AND METHOD - An orthopedic device for implanting between adjacent vertebrae comprising: an arcuate balloon and a hardenable material within said balloon. | 01-07-2016 |
20160000578 | INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION - A system for spinal surgery includes a prosthesis comprising a plurality of bone anchors which engage an intervertebral construct for fusion or motion preservation. The fusion construct comprises a spacer optionally encircled by a jacket. The motion preservation construct may comprise an articulating disc assembly or an elastomeric disc assembly. Any of the constructs may occupy the intervertebral disc space between adjacent vertebrae after removal of an intervertebral disc. The anchors slidingly engage the construct to securely fix the prosthesis to the vertebrae. The anchors and jacket of the fusion construct provide a continuous load path across opposite sides of the prosthesis so as to resist antagonistic motions of the spine. | 01-07-2016 |
20160007983 | Configurable Intervertebral Implant | 01-14-2016 |
20160008140 | SPINAL IMPLANT SYSTEM AND METHOD | 01-14-2016 |
20160008141 | APPARATUS AND METHODS FOR DISRUPTING INTERVERTEBRAL DISC TISSUE | 01-14-2016 |
20160008142 | Vertebral Cage Device With Modular Fixation | 01-14-2016 |
20160015521 | DEVICE FOR REPAIRING AN INTERVERTEBRAL DISC | 01-21-2016 |
20160015523 | INTERVERTEBRAL SPACERS AND RELATED METHODS AND INSTRUMENTS - Biomedical implants comprising portions made of disparate materials, such as intervertebral implants and related methods and instruments. In some embodiments, the implant may comprise a base portion comprising a first material and a secondary fastener portion comprising a second material having distinct physical properties relative to the first material. The secondary portion may wholly define a front end wall surface of the implant, and the base portion and the secondary portion may collectively define at least one of an upper surface and a lower surface of the implant. | 01-21-2016 |
20160015524 | INTERVERTEBRAL PROSTHETIC DISC WITH SHOCK ABSORPTION CORE - An artificial intervertebral disc with shock absorption includes upper and lower plates disposed about a shock absorbing movable core. The upper and lower plates have an outer surface which engages a vertebrae and an inner bearing surface. The shock absorbing core includes a unitary member of a rigid material having at least one lateral cut between upper and lower surfaces of the core to allow the upper and lower surfaces to move resiliently toward and away from each other. This allows the core to absorb forces applied to it by the vertebrae. | 01-21-2016 |
20160015526 | LATERAL INTERBODY FUSION DEVICES, SYSTEMS AND METHODS - According to some embodiments, a method of inserting a lateral implant within an intervertebral space defined between an upper vertebral member and a lower vertebral member includes creating a lateral passage through a subject in order to provide minimally invasive access to the intervertebral space, at least partially clearing out native tissue of the subject within and/or near the intervertebral space, positioning a base plate within the intervertebral space, wherein the base plate comprise an upper base plate and a lower base plate and advancing an implant between the upper base plate and the lower base plate so that the implant is urged into the intervertebral space and the upper vertebral member is distracted relative to the lower vertebral member. | 01-21-2016 |
20160015527 | EXPANDABLE INTERBODY SPACER DEVICE - An expandable interbody spacer ( | 01-21-2016 |
20160015528 | SPINAL IMPLANT CONFIGURED FOR LATERAL INSERTION - The embodiments provide a spinal implant that is configured for lateral insertion into a patient's intervertebral disc space. The spinal implant may have a body having a tapered anterior portion and one or more apertures. The tapered anterior portion allows for concomitant distraction of soft tissue during insertion of the implant. In addition, at least some of the apertures are designed to permit a predetermined amount of nutation by a fixation element. The fixations dements that allow nutation enable the fixation element to toggle from one position to another, for example, during subsidence of the implant in situ. | 01-21-2016 |
20160015530 | EXPANDABLE TRIAL WITH TELESCOPIC STABILIZERS - Systems and methods for distracting an intervertebral disc space are provided. The systems use an expandable trial with telescopic stabilizers. The systems and methods of distracting an intervertebral space are provided in a manner that addresses the problem of subsidence. The method includes inserting the trial into the intervertebral space in a collapsed state and, once inserted, the trial is then used for distracting the intervertebral space using an expansion that includes a first stage and a second stage. The first stage includes expanding the trial laterally toward the peripheral zones of the top vertebral plate and the bottom vertebral plate, and the second stage includes expanding the trial vertically to distract the intervertebral space. | 01-21-2016 |
20160022428 | EXPANDABLE SPINAL INTERBODY DEVICE - A bone graft or spinal interbody device includes a frame member having two end segments for forming a chamber in the frame member, and two arms each include an outer end portion hinged to the outer end portion of the end segments of the frame member, and the inner end portions of the arms are hinged together for allowing the arms to be pivoted toward the frame member at an innermost folding position or away from the frame member to an outermost working position, and the arms are sprung away from the frame member to the outermost working position when the arms are pushed away from the frame member for a selected distance to an inner dead center (D). | 01-28-2016 |
20160022429 | SUPPORT DEVICE AND METHOD FOR USE - Devices and methods for orthopedic support are disclosed. The device can have a first rigid section hingedly attached to a second rigid section. The device can be curved or rotated around obstructions along an access path to a target site. The device can be delivered to an intervertebral location in a patient. | 01-28-2016 |
20160022430 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises a body including a first vertebral engaging surface and a second vertebral engaging surface. At least one of the surfaces includes at least one tissue penetrating member. The at least one member includes a cutting surface and a guide surface that defines a cavity configured for disposal of tissue. Systems and methods of use are disclosed. | 01-28-2016 |
20160022431 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant is provided that comprises a first vertebral engaging surface and a second vertebral engaging surface. A wall extends between the surfaces. A lattice is disposed adjacent the wall and extending between the surfaces. Systems and methods of use are disclosed. | 01-28-2016 |
20160022432 | VERTICALLY EXPANDABLE INTERVERTEBRAL CAGE, DEPLOYMENT DEVICES, AND METHODS OF USING THE SAME - A vertically expandable intervertebral cage, deployment devices, and methods for using the same. The intervertebral cage can include a circuitous body at least partially enclosing an interior volume. The intervertebral cage can also include a front panel which can be formed into a wedge for facilitating implantation of the intervertebral cage into an intervertebral space. The intervertebral cage can be converted from an undeployed configuration, wherein the height of the intervertebral cage is reduced, to a deployed configuration, wherein the height of the intervertebral cage is increased to support end plates of the vertebrae. The intervertebral cage can be converted from the undeployed configuration to a deployed configuration by using a deployment device such as an implantation device and a guide wire. The deployment device can be used to impart a force upon the cage. | 01-28-2016 |
20160022433 | EXPANDABLE INTERVERTEBRAL IMPLANT - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 01-28-2016 |
20160022434 | EXPANDABLE INTERVERTEBRAL CAGE ASSEMBLIES - An expandable assembly for insertion into an intervertebral space is presented. The assembly, in particular aspects, includes an elongate body comprising an upper portion and a lower portion, wherein the elongate body defines an internal longitudinal channel extending from a proximal opening to a distal cavity. The assembly may include an expander that is sized and shaped for insertion into the distal cavity, thereby selectively expanding the upper portion away from the lower portion. The elongate body may also include one or more bone graft windows a cap that is sized and shaped for insertion into the proximal opening. | 01-28-2016 |
20160022435 | EXPANDABLE VERTEBRAL PROSTHESIS - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, gear member and a locking assembly positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 01-28-2016 |
20160022436 | EXPANDABLE VERTEBRAL PROSTHESIS - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, gear member and a locking assembly positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 01-28-2016 |
20160022438 | EXPANDABLE FUSION CAGE SYSTEM - An expandable fusion cage system includes an expandable fusion cage having an upper portion, a lower portion, and a hinge portion coupling the lower portion and the upper portion at their distal ends. Positioned between the upper and lower portions is an expansion element that when moved in the proximal direction causes the cage to expand at its proximal end. The system can also include inserter instruments, expandable distraction instruments, and bone funnels. | 01-28-2016 |
20160030188 | INTERBODY IMPLANTS AND GRAFT DELIVERY SYSTEMS - According to some embodiments, a method for promoting spinal fusion using a spinal implant comprises providing a spinal implant, wherein the spinal implant comprises at least one internal chamber being is adapted to receive at least one graft and/or other fill material. In some arrangements, one or more walls of the spinal implant comprise at least one opening or hole that places the internal chamber in fluid communication with an exterior area or portion of the spinal implant. The method additionally includes positioning the spinal implant between two adjacent vertebrae of a patient and directing at least one graft and/or other fill material into the internal chamber of the spinal implant through the access port. | 02-04-2016 |
20160030189 | EXPANDABLE INTER-BODY FUSION DEVICES AND METHODS - An expandable curved inter-body fusion device is presented. The expandable curved inter-body fusion device can have a first plate, a second plate, and an insert positioned substantially therebetween the first plate and the second plate. The first plate, the second plate, and the insert define an interior cavity. Moving the insert longitudinally with respect to the first and second plates increases or decreases the distance of the first plate with respect to the second plate, effectively expanding the inter-body fusion device and increasing the volume of the interior cavity. | 02-04-2016 |
20160030190 | EXPANDABLE INTERVERTEBRAL CAGE ASSEMBLIES - An expandable assembly for insertion into an intervertebral space is presented. The assembly, in particular aspects, includes an elongate body comprising an upper portion and a lower portion, wherein the elongate body defines an internal longitudinal channel extending from a proximal opening to a distal cavity. The assembly may include an expander that is sized and shaped for insertion into the distal cavity, thereby selectively expanding the upper portion away from the lower portion. The elongate body may also include one or more bone graft windows a cap that is sized and shaped for insertion into the proximal opening. | 02-04-2016 |
20160030191 | BONE FUSION DEVICE - A bone fusion device provides stability to bones during a bone fusion period. The bones include, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable tabs attached to the bone fusion device by associated rotating means. The bone fusion device is preferably inserted by using an arthroscopic surgical procedure. During arthroscopic insertion of the device, the tabs are pre-configured for compactness. In this compact configuration, the tabs are preferably deposed along and/or within an exterior surface of the bone fusion device. After the bone fusion device has been positioned between the bones, one or more tab(s) are extended. In the preferred embodiment, the position of each tab is related to a positioning element and extending blocks. Typically, the tabs advantageously position and brace the bone fusion device in the confined space between the bones until the bones have fused. | 02-04-2016 |
20160030194 | INTERVERTEBRAL CAGE AND METHOD OF TREATING VERTEBRAE WITH AN INTERVERTEBRAL CAGE - The present disclosure provides an intervertebral cage including superior and inferior members each including an engagement surface for engaging a corresponding vertebrae. The intervertebral cage also includes a posterior member that extends between a posterior end of the superior and inferior members and spaces them from each other in a superior-inferior direction. The superior and inferior members extend in a posterior-to-anterior direction from the posterior member and define anterior free ends to form a substantially open anterior end between the superior member and the inferior member in a posterior-anterior direction. The engagement surfaces of the superior and inferior members substantially diverge from each other in the superior-inferior direction along the posterior-to-anterior direction. The superior and inferior members each include first apertures extending therethrough in the superior-inferior direction that define a pathway through the intervertebral cage in the superior-inferior direction. | 02-04-2016 |
20160030195 | SURGICAL INSTRUMENT SYSTEM AND METHOD - A surgical instrument includes a body extending between a first end and a second end and includes at least one mating element engageable with an interbody implant. A first member is disposed with the body and engageable with the interbody implant to move the interbody implant between a first configuration and a second, expanded configuration. A second member is disposed with the body and engageable with the interbody implant to fix the interbody implant in a selected second configuration. Systems and methods are disclosed. | 02-04-2016 |
20160038299 | Medical Implant for Fixation and Integration with Hard Tissue - The invention relates to medical implants, including spinal implants and bone grafts, for fixation and integration with hard tissue. The bone medical implants include at least one rotational fixation mechanism that further includes or is attached to one or more sharp protrusions configured to penetrate and become lodged into hard tissue to provide support and positional stability. Such support is useful to ensure that the spinal bone graft may be used without additional stabilizing or anchoring structures, such as supporting plates or screws. | 02-11-2016 |
20160038300 | SPINAL INTERVERTEBRAL IMPLANT - An implant to be surgically positioned between two adjacent vertebrae made of a biocompatible material having two distinct areas of geometry—a front/anterior distracting portion and a second stabilizing back end/posterior portion. The device is inserted into the disc space on its side—in a first position—up until a point and then the device is rotated 90 degrees along a z-axis—into a second position—and then pushed the remainder of the way into the disc space. As viewed from the bottom of the device (in the second position—the position of the implant after rotation, the device is L-shaped, about L-shaped, or an angled dual leg configuration. A base member forms an angle anywhere between 30 to 150 degrees with a connected extended member. | 02-11-2016 |
20160038301 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises a first vertebral engaging surface and a second vertebral engaging surface. A wall extends between the surfaces. The wall includes an inner bone growth resistant layer and an outer layer. Systems and methods of use are disclosed. | 02-11-2016 |
20160038302 | SYSTEMS AND METHODS FOR SPINAL FUSION - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites. | 02-11-2016 |
20160038303 | Vertebral Disc Prosthesis - A prosthesis for a vertebral column has an upper part ( | 02-11-2016 |
20160038304 | IN-SITU FORMED INTERVERTEBRAL FUSION DEVICE AND METHOD - An orthopedic device for implanting between adjacent vertebrae comprising: an arcuate balloon and a hardenable material within said balloon. | 02-11-2016 |
20160038305 | VARIABLE LORDOSIS SPACER AND RELATED METHODS OF USE - An expandable fusion device may include a first endplate and a second endplate. The expandable fusion device may also include first and second ramps configured to mate with both the first and second endplates. An inserter instrument includes an outer shaft having a bore extending longitudinally therethrough and an inner shaft extending through the bore in the outer shaft. The outer shaft is configured to engage the first or second opening in the second ramp, and the inner shaft is configured to engage the corresponding first or second opening in the first ramp to control implant height and/or lordotic angle. | 02-11-2016 |
20160038306 | Lateral Spondylolisthesis Reduction Cage - An intervertebral fusion device comprising inferior and superior fusion cage devices that provide an ability to correct spondylolisthesis via in-situ adjustment. | 02-11-2016 |
20160045325 | POSTERIOR INTERVERTEBRAL DISC INSERTER AND EXPANSION TECHNIQUES - Insertion and expansion devices for use in inserting motion discs, and associated methods of use. | 02-18-2016 |
20160045326 | INTERBODY SPACER SYSTEM - A device, system, and method are disclosed that supplements a human spinal column's structure by replacing a damaged intervertebral disc with a machined spacer comprising a movable pair of blades that rotate to expand from the spacer in-situ to interlock with a patient's vertebras, and a locking system that provides secondary protection from blade movement within the spacer. | 02-18-2016 |
20160045328 | EXPANDABLE FUSION DEVICE AND METHOD OF INSTALLATION THEREOF - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 02-18-2016 |
20160045331 | ARTICULATING EXPANDABLE INTERVERTEBRAL IMPLANT - A spacer for separating bones of a joint, the spacer includes a frame having a longitudinal axis, and ramped surfaces. An endplate configured to engage a bone of the joint has ramped surfaces mateable with the ramped surfaces of the frame. When the endplate is moved relative to the frame in a direction along the longitudinal axis of the frame, the endplate is moved in a direction away from the frame to increase the height of the spacer. A second endplate configured to engage a second bone of the joint can be similarly configured. | 02-18-2016 |
20160045332 | COLLAPSIBLE TWO-PIECE OLIF IMPLANT - The invention is directed to an interbody fusion device comprises a load bearing component and a retention component and further comprises two bone screws that pass through the retention device and into the vertebral bodies. When implanted, the construct is flush with the anterior face of the vertebras and provides support and temporary fixation for the ultimate fusion of the vertebral bodies. | 02-18-2016 |
20160045333 | Intervertebral Expandable Spacer - An intervertebral insert member and an instrument for positioning the insert in a space between vertebral bodies in vivo. The insert member is advanced by the instrument into a prepared site located between adjacent vertebral bodies. Upon reaching the appropriate insertion point, the sleeve is retracted and a pivotal motion is imparted to the insert. The insert member is pivotally attached to the distal end of the delivery instrument such that it can be articulated about a pivot point that is located on the insert member until it is properly positioned. The positioning instrument is then released from the insert member and removed from the space between the vertebral bodies. An adjustment screw is available to expand the surfaces of the insert member by displacement of a wedge member within the insert. | 02-18-2016 |
20160045334 | INSTRUMENT SET AND METHOD FOR INSERTING A CAGE INTO THE INTERVERTEBRAL DISK SPACE BETWEEN TWO VERTEBRAL BODIES - For inserting a cage in the intervertebral disk space between two vertebrae, an instrument set includes a guide wire with a plurality of dilators that can be pushed over the guide wire and one over another, with a working sleeve and with a cage, in which the working sleeve is designed in its distal area such that it makes possible the fixation of its distal area in the direction of its extension with angular mobility or variable angular orientability of its proximal end. | 02-18-2016 |
20160045335 | HEIGHT ADJUSTABLE MEDICAL IMPLANT - An implant includes a body that defines an axis and has an interior. A counter element is disposed on the body to releasably fix a manipulating tool thereto. The counter element has at least two undercuts spaced apart relative to the axis of the body and each has a respective holding surface oriented towards the interior of the body. A bearing surface is on the counter element to rotationally fix the implant relative to the manipulating tool. The bearing surface is oriented non-coaxially with the axis of the body. | 02-18-2016 |
20160051370 | Expandable Vertebral Prosthesis - The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and gear member positioned coaxial with respect to each other such that the inner and outer members are moveable relative to each other along an axis. The gear member is axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member threadedly engages a threaded portion of the inner member to translate inner member along the axis. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device. | 02-25-2016 |
20160051371 | SPINAL IMPLANT AND METHOD FOR FABRICATING THE SAME - A spinal implant is provided that includes a body extending in direction at least substantially along a body axis, between a first end portion and a second end portion. The spinal implant also includes a first bearing surface disposed relative to the first end portion, and defining a first relief pattern that is configured to inhibit movement of the spinal implant relative to one or more vertebrae in at least substantially all directions. A method for manufacturing the spinal implant involves use of selective laser sintering. | 02-25-2016 |
20160051372 | SYSTEM AND METHODS FOR SPINAL FUSION - A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites, in particular into the thoracic region of the spine. | 02-25-2016 |
20160051373 | Vertebral Implants and Related Methods of Use - A vertebral insert may include a first linkage, a second linkage, and a third linkage. The first, second, and third linkages may at least partially defining a cavity. The insert may be movable between a collapsed configuration and an expanded configuration, and the movement of the first and second linkages with respect to one another may be configured to reciprocally move the insert between the collapsed and expanded configurations. | 02-25-2016 |
20160051376 | IN-SITU FORMED INTERVERTEBRAL FUSION DEVICE AND METHOD - An orthopedic device for implanting between adjacent vertebrae comprising: an arcuate balloon and a hardenable material within said balloon. | 02-25-2016 |
20160051377 | ARTICULATING EXPANDABLE INTERVERTEBRAL IMPLANT - A spacer for separating bones of a joint includes a frame and a carriage. The carriage has ramped surfaces, and is slideably moveable in relation to the frame. A screw support is moveably connected to the frame to form a changeable angular orientation with respect to the frame. An actuating screw is supported by the screw support, and is connected to the carriage to cause the carriage to slideably move in relation to the frame when the actuating screw is rotated. Opposing endplates are configured to engage opposing bone of the joint, and each has ramped surfaces mateable with the ramped surfaces of the carriage. When the carriage is moved by rotation of the actuating screw, the ramped surfaces of the carriage and the endplates slide against each other, causing the endplates to move relatively apart, to increase the height of the spacer. | 02-25-2016 |
20160051379 | INSERTION TOOL ASSEMBLY - Insertion tool assemblies for positioning an implant at a target location in a patient. Insertion tool assemblies that comprise first and second jaw portions configured to engage an implant; a sleeve assembly coupled to the first and second jaw portions; and a handle coupled to the sleeve assembly. | 02-25-2016 |
20160058563 | Intervertebral Implants and Related Methods of Use - A method of implanting an intervertebral spacer may include positioning the intervertebral spacer within an intervertebral space defined by adjacent vertebral bodies. The intervertebral spacer may include a plurality of bores, and each of the plurality of bores may be configured to receive either a linear fastening element or a curvilinear fastening element. The method also may include selecting a first fastening element from a group including linear fastening elements and curvilinear fastening elements, and inserting the first fastening element into a first bore of the plurality of bores such that the first fastening element is inserted into one of the adjacent vertebral bodies to secure the intervertebral spacer within the intervertebral space. | 03-03-2016 |
20160058564 | Intervertebral Implants and Related Methods of Use - A method of implanting an intervertebral spacer may include positioning the intervertebral spacer within an intervertebral space defined by adjacent vertebral bodies. The intervertebral spacer may include a plurality of bores, and each of the plurality of bores may be configured to receive either a linear fastening element or a curvilinear fastening element. The method also may include selecting a first fastening element from a group including linear fastening elements and curvilinear fastening elements, and inserting the first fastening element into a first bore of the plurality of bores such that the first fastening element is inserted into one of the adjacent vertebral bodies to secure the intervertebral spacer within the intervertebral space. | 03-03-2016 |
20160058565 | Intervertebral Implants and Related Methods of Use - A method of implanting an intervertebral spacer may include positioning the intervertebral spacer within an intervertebral space defined by adjacent vertebral bodies. The intervertebral spacer may include a plurality of bores, and each of the plurality of bores may be configured to receive either a linear fastening element or a curvilinear fastening element. The method also may include selecting a first fastening element from a group including linear fastening elements and curvilinear fastening elements, and inserting the first fastening element into a first bore of the plurality of bores such that the first fastening element is inserted into one of the adjacent vertebral bodies to secure the intervertebral spacer within the intervertebral space. | 03-03-2016 |
20160058567 | ANTERIOR PROSTHETIC SPINAL DISC REPLACEMENT - The present invention relates generally to a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine. The present invention also relates to a method for implanting a prosthetic spinal disc via anterior or anterior lateral implantation. Other surgical approaches for implanting the prosthetic disc may also be used. | 03-03-2016 |
20160058568 | BIOACTIVE SPINAL IMPLANTS AND METHOD OF MANUFACTURE THEREOF - A bioactive spinal implant used in cervical fusion, Anterior Lumbar Interbody Fusion (ALIF), Posterior Lumbar Interbody Fusion (PLIF), and Transforaminal Interbody Fusion (TLIF), having properties and geometries that enhance bone contact, stability, and fusion between adjacent vertebral bodies. | 03-03-2016 |
20160058569 | ARTIFICIAL SPINAL DISK PROSTHESIS - Intervertebral endoprosthesis discs suitable for surgical implantation between two vertebrae having and methods thereof. The prosthetic disc may have an endoprosthesis body including an anterior region and a posterior region designed to be positioned between a first vertebra and a second vertebra with a first and second movable insert positioned rotatably in anterior cavities and is rotatable to adjust the fasteners. | 03-03-2016 |
20160058570 | EXPANDABLE INTERBODY FUSION DEVICE - An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing wafer stack. The wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. Each wafer also includes features that interlock with the inferior plate until the wafer id dislodged by sequential introduction of another wafer. | 03-03-2016 |
20160058571 | EXPANDABLE INTERVERTEBRAL IMPLANT - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 03-03-2016 |
20160058572 | EXPANDABLE SUPPORT DEVICE AND METHOD OF USE - An expandable support device for tissue repair is disclosed. The device can be used to repair hard or soft tissue, such as bone or vertebral discs. A method of repairing tissue is also disclosed. The device and method can be used to treat compression fractures. The compression fractures can be in the spine. The device can be deployed by compressing the device longitudinally resulting in radial expansion. | 03-03-2016 |
20160058573 | IN-SITU FORMED INTERVERTEBRAL FUSION DEVICE AND METHOD - An orthopedic device for implanting between adjacent vertebrae comprising: an arcuate balloon and a hardenable material within said balloon. In some embodiments, the balloon has a footprint that substantially corresponds to a perimeter of a vertebral endplate. An inflatable device is inserted through a cannula into an intervertebral space and oriented so that, upon expansion, a natural angle between vertebrae will be at least partially restored. At least one component selected from the group consisting of a load-bearing component and an osteobiologic component is directed into the inflatable device through a fluid communication means. | 03-03-2016 |
20160058575 | SPINAL FIXATION DEVICE - A spinal fixation device includes an outer housing and an end plate assembly coupled with the outer housing. The outer housing defines an aperture and a longitudinal axis. At least a portion of the end plate assembly is slidably received within the outer housing. The end plate assembly includes a first end plate configured to engage a vertebral body, wherein the end plate assembly is selectively movable between a first position in which the first end plate is spaced apart from the outer housing and a second position in which the first end plate is adjacent the outer housing. Further, the first end plate is selectively adjustable to an angular orientation of a plurality of angular orientations with respect to the longitudinal axis of the outer housing. | 03-03-2016 |
20160058579 | DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE - An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other. | 03-03-2016 |
20160067050 | SPACE HOLDER FOR VERTEBRAE OR INTERVERTEBRAL DISCS - The present invention concerns a space holder, especially for vertebrae or intervertebral discs for implantation into human or animal organisms, having a cylinder-like body ( | 03-10-2016 |
20160067051 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises a body including a first vertebral engaging surface and a second vertebral engaging surface. At least one of the surfaces including a posterior linear side and an anterior arcuate side. Systems and methods of use are disclosed. | 03-10-2016 |
20160067052 | Expandable Intervertebral Implant - An expandable intervertebral implant is provided for insertion into an intervertebral space defined by adjacent vertebrae. The expandable intervertebral implant includes a pair of outer sleeve portions and an inner core disposed between the outer sleeve portions. Movement of the inner core relative to the outer sleeve portions causes the outers sleeve portions to deflect away from each other, thereby engaging the expandable intervertebral implant with the vertebrae and adjusting the height of the intervertebral space. | 03-10-2016 |
20160067053 | Enhanced Artificial Disk - An enhanced artificial disk for stabilizing a pair of adjacent vertebrae. The enhanced artificial disk include a disk and a stabilizer. The stabilizer includes a substantially keyhole shaped opening for receiving a protrusion. By facilitating movement of the protrusion within the opening, the enhanced artificial disk is capable of exhibiting a normal range of motion associated with a healthy disk while limiting any abnormal range of motion. | 03-10-2016 |
20160067054 | Spinal Surgical Implant and Related Methods - This invention relates generally to spine surgery and, in particular, to a surgical implant for separating adjacent spinal vertebrae. | 03-10-2016 |
20160067055 | HIGHLY LORDOSED FUSION CAGE - A fusion cage has a first component that defines an outside surface that is configured to engage a vertebral endplate, and an interior surface. The fusion cage has a second component that defines first and second opposed surfaces. One of the first and second opposed surfaces can mate with the interior surface of the first component. The fusion cage can include vertical and lateral throughholes adapted to enhance fusion. | 03-10-2016 |
20160067381 | CERAMIC BONE SUBSTITUTE MATERIAL AND METHOD FOR THE PRODUCTION THEREOF - A method for producing a ceramic osseoconductive bone substitute material, the bone substitute material, intervertebral disk implants containing the substitute bone material, and to methods of using the bone substitute material. | 03-10-2016 |
20160074170 | INTERVERTEBRAL DISC - This invention relates to an intervertebral motion disc having two motion surfaces and. wherein the radius of the upper articulation surface of the core member is greater than the radius of the lower articulation surface of the core member, and wherein the first articulation surface of the core member is spherical and the second articulation surface of the core member is curved and non-spherical. | 03-17-2016 |
20160074171 | SPINE STABILIZATION DEVICE, AND METHOD AND KIT FOR ITS IMPLANTATION - A spine stabilization device having an interbody spacer shaped to be inserted between a vertebral body of an upper vertebra and a vertebral body of a lower vertebra. The device further includes a fixation device to be inserted after placement of the interbody spacer, the fixation device having a support portion securing the interbody spacer against escaping from between the vertebral bodies into a ventral direction. The support portion rests against a portion of an anterior surface of the interbody spacer, and includes an anchor. The anchor has an anchoring material portion that is inserted, in a liquid state, into cancellous bone tissue of at least one of the vertebral bodies of the upper and lower vertebra, to thereby infiltrate the cancellous bone tissue, and to harden thereafter so as to fix the support portion to the vertebral body. | 03-17-2016 |
20160074172 | INTERBODY VERTEBRAL PROSTHETIC AND ORTHOPEDIC FUSION DEVICE WITH SELF-DEPLOYING ANCHORS - An intervertebral prosthesis includes: a body; a first aperture extending from within the body and opening; a first anchoring element disposed within the first aperture and including a shaft having proximal and distal ends, where the proximal end of the first anchoring element includes a first portion of a first articulation mechanism; and a drive mechanism having: (i) a threaded shaft defining a longitudinal axis thereof and a head at a proximal end of the threaded shaft, (ii) a translator element having a threaded bore in threaded engagement with the threaded shaft. | 03-17-2016 |
20160074173 | INTERBODY FUSION DEVICE - Technologies are generally provided for a spinal fusion device to achieve interbody fusion and maintain intervertebral spacing. The spinal fusion device includes at least two wedge-shaped intervertebral implants (IVIs) configured to be inserted between adjacent vertebrae, such that a thin end of each IVI is positioned toward a midline of the vertebrae, and a thick end of each IVI is positioned substantially flush with outer surfaces of the vertebrae. A lower surface of a superior vertebral body and an upper surface of an adjacent inferior vertebral body are resected to accommodate the IVIs, and a portion of an intervertebral disc (IVD) is also removed to facilitate insertion of the IVIs. The IVIs are inserted in substantially opposite positions to each other between the vertebrae, and an interconnecting member is inserted to connect the IVIs. The interconnecting member passes through residual IVD to stabilize the IVIs in position between the vertebrae. | 03-17-2016 |
20160074175 | INTERVERTEBRAL IMPLANT WITH CONFORMABLE ENDPLATE - The invention is generally related to an intervertebral implant for replacing an intervertebral disc of the human spine. The intervertebral implant includes a first conformable endplate, the first conformable endplate being conformable to a boney vertebral endplate under an anatomical load, a second endplate and a core between the endplates, wherein the first conformable endplate partitions the core from the boney vertebral endplate, whereby the core does not contact the boney vertebral endplate. The invention is also directed to a method of replacing an intervertebral disc. The method includes removing at least a portion of an intervertebral disc to form an intervertebral disc space, implanting a first conformable endplate, into the intervertebral disc space and in contact with a first honey vertebral endplate, the first conformable endplate being conformable to the first boney vertebral endplate under an anatomical load; implanting a second endplate into the intervertebral disc space and in contact with a second boney vertebral endplate; and implanting a core between the first conformable endplate and the second endplate, wherein the first conformable endplate partitions the core from the first boney vertebral endplate, whereby the core does not contact the first boney vertebral endplate. | 03-17-2016 |
20160074177 | TISSUE PROSTHESIS INSERTION SYSTEM AND METHOD - A tissue prosthesis insertion system ( | 03-17-2016 |
20160081804 | Aspirating Implants and Method of Bony Regeneration - Devices and methods for in situ drawing, filtering and seeding cells from the marrow of surrounding bone into a fusion cage without any of the challenges mentioned above. Various implants and devices with aspiration ports that enable in-situ harvesting and mixing of stem cells. These devices may include spinal fusion cages, long bone spacers, lateral grafts and joint replacement devices. Each device utilizes at least one aspiration port for harvesting of stem cell-containing marrow via aspiration from adjacent bony elements. | 03-24-2016 |
20160081812 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises an implant body extending between an anterior surface and a posterior surface and includes a first vertebral engaging surface and a second vertebral engaging surface. The implant body includes an inner surface that defines at least one cavity that is oriented to implant a fastener oblique relative to a lateral axis of a subject body and adjacent an intervertebral space of the subject body. At least one indicia is disposed with the implant body to facilitate orientation of the implant body with the subject body. Systems and methods are disclosed. | 03-24-2016 |
20160081813 | INTERVERTEBRAL DISC PROSTHESIS AND METHOD - The present disclosure generally relates to an intervertebral disc prosthesis for partially or totally replacing an organic intervertebral disc. The disc prosthesis includes an interbody device, a face plate and a pair of locking mechanisms for achieving dual fixation in the cephalad and caudal direction. Methods according to the present disclosure achieve such dual fixation in a single fixation step. | 03-24-2016 |
20160081814 | SPINAL IMPLANT DEVICE - A spinal fusion device that is expandable. The device features a top and bottom surface for engaging adjacent vertebrae, a hollow center for stacking of bone or bone growth material, and a slidable mechanism with grooves for expanding or unexpanding the device. | 03-24-2016 |
20160081815 | INTERVERTEBRAL IMPLANT - The present invention provides an intervertebral implant for implantation in a treated area of an intervertebral space between vertebral bodies of a spine. The implant includes a spacer portion having an inferior and superior surface, wherein the inferior and superior surfaces each have a contact area capable of engaging with anatomy in the treated area, and the inferior and superior surfaces define a through-hole extending through the spacer body. The present invention further provides holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the spacer portion, wherein the plate portion contains holes for receiving screws. A fastener back out prevention mechanism adapted on the plate to prevent the back out of the fasteners from the holes and to secure the spacer to the plate of the intervertebral implant. | 03-24-2016 |
20160081816 | DISTRACTIBLE INTERVERTEBRAL IMPLANT - A distractible intervertebral implant configured to be inserted in an insertion direction into an intervertebral space that is defined between a first vertebral body and a second vertebral body is disclosed. The implant may include a first body and a second body. The first body may define an outer surface that is configured to engage the first vertebral body, and an opposing inner surface that defines a rail. The second body may define an outer surface that is configured to engage the second vertebral body, and an inner surface that defines a recess configured to receive the rail of the first body. The second body moves in a vertical direction toward the second vertebral body as the second body is slid over the first body and the rail is received in the recess. | 03-24-2016 |
20160081818 | SPINAL IMPLANT SYSTEM AND METHOD FOR LUMBAR AND LUMBOSACRAL FUSION - A spinal implant comprises an implant body extending between an anterior surface and a posterior surface, and including a first vertebral engaging surface and a second vertebral engaging surface. The implant body includes an inner surface that defines at least a first cavity and a second cavity. The cavities are oriented to implant fasteners in alignment with an oblique surgical pathway relative to a bilateral axis of a subject body and adjacent an anterior portion of an intervertebral space of the subject body. Systems and methods are disclosed. | 03-24-2016 |
20160081820 | MINIMALLY INVASIVE INTERVERTEBRAL STAPLE DISTRACTION DEVICES - Multiple, small, staple-like supports are inserted through a small tube into the disc space then rotated into position on the edge of the vertebral bodies. The tooth-like geometry of the proximal and distal faces of these staples mates with the outer edge of the vertebral body, extending past the front of the endplate anteriorly. The staples have teeth that dig into the endplate on the inside of the rim as well. | 03-24-2016 |
20160089246 | LOW PROFILE PLATE - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 03-31-2016 |
20160089247 | ADJUSTABLE INTERBODY FUSION DEVICES - Interbody fusion devices, insertion tools, methods for assembling an interbody fusion device, and methods for inserting a medical device between two vertebral bodies are disclosed. The interbody fusion device includes a base member, a top member, and at least one movement mechanism. The base member includes at least one of a pivot cylinder and a hinge channel. The top member includes at least one of a pivot cylinder and a hinge channel. The at least one pivot cylinder of the base member engages the at least one hinge channel of the top member and the at least one pivot cylinder of the top member engages the at least one hinge channel of the base member. The at least one movement mechanism engages the top member and the base member. Also disclosed are a vertebral spacer device and an interbody spacer system including an insertion tool and an interbody fusion device. | 03-31-2016 |
20160089248 | EXPANDABLE INTERBODY FUSION DEVICE - An apparatus and method is provided for interbody fusion including distracting, in a given direction, and supporting opposing vertebral bodies. A plurality of wafers are consecutively inserted between the vertebral bodies to create a column of wafers. The column of wafers is oriented between the vertebral bodies so as to expand in the given direction as the wafers are consecutively added to the column. | 03-31-2016 |
20160089249 | Intervertebral Implants, Systems, and Methods of Use - An intervertebral implant frame that is configured to be attached to a spacer body can include a pair of arms that extend longitudinally from a support member such that the arms extend substantially around the spacer body. The arms may be configured to expand, crimp, or otherwise engage the spacer body to thereby hold the spacer body to the frame. The spacer body may be made from bone graft. | 03-31-2016 |
20160089250 | HYBRID INTERVERTEBRAL DISC SPACER DEVICE AND METHOD OF MANUFACTURING THE SAME - A hybrid spinal implant device, and method of making the same are disclosed. The spinal implant device comprises two facing endplates, each having at least one anchoring wall or pin element, and a plastic spacer anchored to and located between the two endplates. The endplates may be manufactured from titanium. The plastic spacer may be manufactured from a radiolucent, and bio-compatible polymer-based material including polyetheretherketone (“PEEK”), polyetherketone, polyetherketoneketone, and/or fiber reinforced plastic. The endplates made of titanium allow for enhanced bone growth, while the plastic/PEEK spacer element allows for improved load absorption and distribution. The spinal implant device, using titanium endplates and a PEEK spacer, provides excellent radiolucency thereby eliminating the need for X-ray markers either intra- or post-operation. The manufacturing method for the hybrid spinal implant device uses injection molding to insert or back injection mold the spacer between the two endplates. | 03-31-2016 |
20160095632 | Orthopedic Stabilization Devices and Methods for Installation Thereof - Embodiments herein are generally directed to spinal implants for use in orthopedic stabilization assemblies. In some embodiments, these implants may be used in conjunction with laminoplasty or laminectomy procedures. | 04-07-2016 |
20160095710 | IMPLANTS COMPRISING ANCHORING ELEMENTS - Implants that have anchoring elements, which are vertebral implants that can be used as intervertebral disk replacement in the form of cages for the fusion of vertebral bodies. | 04-07-2016 |
20160095711 | Spacer For Spinal Implant - The present invention is a spinal implant that can be inserted into a surgically created cavity of one or more regions of the mammalian spine. Among other things, the biocompatible implant and end cap or biocompatible implant, end cap and spacer combinations can assist with the restoration of the normal anatomic spinal alignment and spinal stability. | 04-07-2016 |
20160095712 | Orthopedic Stabilization Devices and Methods for Installation Thereof - Embodiments herein are generally directed to spinal implants for use in orthopedic stabilization assemblies. In some embodiments, these implants may be used in conjunction with laminoplasty or laminectomy procedures. | 04-07-2016 |
20160095713 | Stackable Interlocking Intervertebral Support System - An intervertebral support system, comprising: a center portion having top and bottom recesses; a top portion having a bottom recess, the bottom recess in the top portion interlocking with the top recess in the center portion when the top position is positioned on top of the center portion; and a bottom portion having a top recess, the top recess in the bottom position interlocking with the bottom recess in the center portion when the bottom portion is positioned under the center portion. | 04-07-2016 |
20160095714 | LOW PROFILE PLATE - The present application generally relates to orthopedic systems, and in particular, to systems including independent plates and spacers. A plating system can include a spacer and a plate that is independent from the spacer. A number of locking mechanisms can be provided to secure the plate to the spacer. In some cases, the spacer includes a pair of notches that extend on an outer surface of the spacer. The plate can include a pair of lateral extensions that can engage the notches to secure the plate to the spacer. In other cases, the spacer includes an opening including a pair of inlets. The plate can include an enclosed posterior extension that can be received in the pair of inlets to secure the plate to the spacer. | 04-07-2016 |
20160095715 | EXPANDABLE INTERVERTEBRAL IMPLANT - An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart. | 04-07-2016 |
20160095716 | EXPANDABLE CORPECTOMY DEVICE - The instant invention is a longitudinally adjustable corpectomy device which fits within the intervertebral distracted channel. A ratchet mechanism allows for an extendable member to adjust to a longer length to accommodate a distracted channel. The ratchet type mechanism allows the members to move in a unidirectional movement to prevent the two members from contracting once expanded. | 04-07-2016 |
20160095717 | EXPANDABLE INTERBODY IMPLANT - An intervertebral implant that can be surgically introduced between adjacent vertebrae and expanded in situ to occupy an optimal space between the vertebrae. The implant is inserted into the evacuated disc space obliquely and then oriented so as to extend laterally across the anterior adjacent vertebrae with its outer ends of the implant supported by the cortical rims on the opposite sides of the vertebrae. The implant has two body members with a space therebetween so the implant may be then distracted and a spacer of predetermined thickness that may be inserted within the space between the body members so as to maintain a desired amount of distraction. The upper and lower surfaces of the implant may have a desired lordotic angle. A method of using an implant is disclosed which permits endoscopic visualization of the disc space. | 04-07-2016 |
20160095718 | ARTICULATING EXPANDABLE INTERVERTEBRAL IMPLANT - A spacer for separating bones of a joint, the spacer includes a frame having a longitudinal axis, and ramped surfaces. An endplate configured to engage a bone of the joint has ramped surfaces mateable with the ramped surfaces of the frame. When the endplate is moved relative to the frame in a direction along the longitudinal axis of the frame, the endplate is moved in a direction away from the frame to increase the height at least one end of the spacer. A second endplate configured to engage a second bone of the joint can be similarly configured. | 04-07-2016 |
20160095721 | TRANS-OSSEOUS OBLIQUE LUMBOSACRAL FUSION SYSTEM AND METHOD - Embodiments of the invention are directed to a method of directing medical instruments towards an intervertebral disc space, removing intervertebral disc material from such disc space, and filling such disc space with a material to fuse vertebrae. Embodiments of the invention are further directed to a path that passes structural portions of an ilium. In some aspects, embodiments of the invention are directed to using electro stimulation to avoid certain nerve roots to access an L5-S1 disc space for the purposes of bone fusion. | 04-07-2016 |
20160100951 | EXPANDABLE SPINAL INTERBODY SPACER AND METHOD OF USE - An expandable spinal implant configured for positioning within a space between adjacent vertebral bodies includes an upper body, a lower body, a ratchet mechanism, and a plurality of bone screws. The upper body and lower body are pivotably affixed at a first end and are capable of movement relative to each other. The ratchet mechanism is slidably disposed on one of the upper and lower body and is capable of engaging the opposite one of the upper and lower body thereby permitting movement of the upper and lower body relative to each other in a first direction, but not in a second direction. An insertion instrument capable of being attached to the expandable spinal instrument and a method of performing spinal surgery is also disclosed. | 04-14-2016 |
20160100952 | ARTIFICIAL CERVICAL AND LUMBAR DISCS, DISC PLATE INSERTION GUN FOR PERFORMING SEQUENTIAL SINGLE PLATE INTERVERTEBRAL IMPLANTATION ENABLING SYMMETRIC BI-DISC PLATE ALIGNMENT FOR INTERPLATE MOBILE CORE PLACEMENT - An artificial replacement disc includes a pair of substantially parallel plates formed to occupy a space defined by vertebral endplates, each of the plates including a plurality of spikes on a first surface and a concave trough formed on a second surface opposite of the first surface. A mobile core includes a core rim with opposing convex surfaces extending from opposite sides of the core rim, the mobile core being capable of being disposed between the pair of plates to permit the vertebral endplates to move relative to one another. The spikes on each of the plates extend substantially away from the mobile core and the convex surfaces are formed to integrally fit within the concave trough of at least one of the plates. The core rim limits lateral movement of the mobile core relative to the parallel plates. One or more insertion tools for inserting and implanting the replacement disc are also described. | 04-14-2016 |
20160100953 | Vertebral implant, vertebral fastening device of the implant and implant instrumentation - This disclosure provides vertebral implants, fastening devices for vertebral implants, and implant instrumentation, and various combinations thereof. In some embodiments, the implant comprises a peripheral wall extending according to a vertical axis between upper and lower surfaces of the implant, with each such surface configured to be placed in contact with a vertebral structure, respectively, at the top and the bottom of the vertebral segment replaced by the implant. Some embodiments comprise fastening means, deployment of which anchors the implant in the lower and upper vertebral structures. Some fastening means may be deployed by sliding parallel to the vertical axis of the implant, and may comprise a plate with at least one part remaining in contact with the peripheral wall of the implant when deployed and a pointed end projecting from one of the upper and lower surfaces of the implant to enter a vertebral structures on completion of deployment. | 04-14-2016 |
20160100954 | FUSION DEVICE AND ASSOCIATED METHODS - An interbody fusion device for fusion of vertebrae, and methods thereof. The device includes a first piece having upper and lower surfaces configured to engage the endplates of two opposing vertebrae, and a second piece that is adapted to either be inserted into the first piece or to be used independently of the first piece. The interbody fusion device can include a surface treatment, such as a porous surface treatment, to promote fusion between the device and a vertebra. The interbody fusion device may also include one or more depressions. The one or more depressions may be used in combination with a material to promote fusion between the device and a vertebra. | 04-14-2016 |
20160106546 | FLEXIBLE ANCHORING AND FUSION DEVICES AND METHODS OF USING THE SAME - A spacer member is provided that is configured to be implanted adjacent an anatomical structure. The spacer member defines a curved bore, a first opening in a side wall of the spacer member and a second opening in one of a top wall and a bottom wall of the spacer member. Each of the first opening and the second opening are in fluid communication with the curved bore. A flexible anchoring member is configured to be inserted through the side opening and through the curved bore of the spacer member such that a distal end portion of the flexible anchoring member extends out of the second opening at an angle relative to the one of the top wall and the bottom wall of the spacer member. | 04-21-2016 |
20160106547 | Coiling Implantable Prostheses - An implantable prosthesis that includes a biased coiling member and a conforming coiling member. The biased coiling member may be biased to curve from a substantially linear configuration to a nonlinear configuration. The conforming coiling member may be engaged with and curved by the biased coiling member from the substantially linear configuration to the nonlinear configuration. The biased coiling member may define a longitudinal axis when in the substantially linear configuration. The biased coiling member and the conforming coiling member may move relative to each other along the longitudinal axis. The prosthesis may be implanted in a surgical procedure that minimizes incision sizes and may be considered less invasive than typical implant procedures, especially spinal implant procedures. | 04-21-2016 |
20160106548 | CELL-NANOFIBER COMPOSITE AND CELL-NANOFIBER-HYDROGEL COMPOSITE AMALGAM BASED ENGINEERED INTERVERTEBRAL DISC - The instant invention is directed to a tissue engineered intervertebral disc comprising at least one inner layer and an exterior layer, wherein: the exterior layer comprises a nanofibrous polymer support comprising one or more polymer nanofibers; the at least one inner layer comprises a hydrogel composition comprising at least one or more hydrogel materials and/or one or more polymer nanofibers; and a plurality of cells which are dispersed throughout the tissue engineered intervertebral disc. Additionally, the instant invention is directed to methods of making such intervertebral discs and methods of treating intervertebral disc damage. | 04-21-2016 |
20160106549 | Interconnected Locking Plates for Adjacent Spinal Vertebral Bodies - A device for insertion into a gap between adjacent, spaced apart bony elements includes an adjustable length interconnecting member having a distal and a proximal retention plate secured to opposite ends of the interconnecting member. The distal retention plate has a non-rotated position and a plurality of rotated positions. The non-rotated position aligns the distal retention plate with the gap prior to and during insertion of the distal retention plate into the gap. The distal retention plate is rotated after it has exited the gap on a distal side of the gap to prevent its return into the gap. The proximal retention plate is misaligned with the gap so that it cannot enter into the gap. The rotated distal retention plate cooperates with the proximal retention plate to hold bony elements such as adjacent vertebral bodies in a stable relationship to one another when the interconnecting member is shortened. | 04-21-2016 |
20160106550 | ZERO PROFILE SPINAL FUSION CAGE - An interbody fusion cage having upper and lower canals for receiving the heads of bone screws that have been pre-installed in opposing vertebral body endplates. The proximal wall of the cage preferably has a vertical slot that communicates with each canal and is adapted to allow access by a screwdriver and tightening of the screws. | 04-21-2016 |
20160106551 | BIOLOGICAL DELIVERY SYSTEM WITH ADAPTABLE FUSION CAGE INTERFACE - The present invention relates to an apparatus and method for near-simultaneous and integrated delivery of bone graft material during the placement of surgical cages or other medical implants in a patient's spine. The integrated fusion cage and graft delivery device according to various embodiments delivers and disperses biologic material through a fusion cage to a disc space and, without withdrawal from the surgical site, may selectably detach the fusion cage for deposit to the same disc space. The integrated fusion cage and graft delivery device is formed such that a hollow tube and plunger selectively and controllably place bone graft material and a fusion cage in or adjacent to the bone graft receiving area. In one embodiment, the integrated fusion cage is an expandable integrated fusion cage. | 04-21-2016 |
20160106553 | SPINAL IMPLANT SYSTEM AND METHOD - A spinal implant comprises an implant body extending between an anterior surface and a posterior surface. The implant body includes a first vertebral engaging surface and a second vertebral engaging surface. The implant body includes an outer surface that defines an oblique surface. A wall is connectable with the implant body and translatable relative to the oblique surface. Systems and methods are disclosed. | 04-21-2016 |
20160113773 | INTERVERTEBRAL PROSTHESIS FOR INTRODUCTION VIA POSTERIOR APPROACH - An intervertebral prosthesis for insertion by posterior approach, designed to be inserted in pairs between two vertebral bodies, said prosthesis consisting of a prosthesis body extending in a longitudinal direction of intervertebral insertion, including peripheral faces delimiting, on the inside, an inner space for receiving a bone substitute. The prosthesis includes a prosthesis body of which the lower and upper bearing faces have a convex profile having continuously variable convexity in the longitudinal direction. The invention is intended for the treatment of individuals suffering from disc degeneration in the thoracic or lumbar vertebrae. | 04-28-2016 |
20160113774 | INTERVERTEBRAL IMPLANTS, SYSTEMS, AND METHODS OF USE - An intervertebral implant frame that is configured to engage a spacer can include a pair of arms that extend longitudinally from a support member such that the arms engage the spacer. The spacer can be made from bone graft, and include a first spacer body made of cortical bone, and a second spacer body made of cancellous bone. | 04-28-2016 |
20160113775 | Spinal Fusion Implant - A spinal fusion implant including a body and a jacket is disclosed. The jacket includes at least two radiopaque markers extending therefrom for use in determining the position of the implant after placement between intervertebral bodies. Methods of implanting and evaluating positioning of the implant are also disclosed. | 04-28-2016 |
20160113777 | REMOVABLE, BONE-SECURING COVER PLATE FOR INTERVERTEBRAL FUSION CAGE - A secondary cover plate that contacts a stand-alone fusion cage without rigidly connecting to the cage, and instead only docks against the cage (or passes through a fixation cage) and is secured into the adjacent bone. The secondary cover plate is the last item that would be added to the fixation cage construct and would at least partially cover the head of one or more angled screws. The secondary cover plate could slidably engage the fixation cage without permanently snapping into any features of the cage itself. The secondary cover plate would then be final positioned by advancing into one or more adjacent vertebral bodies. The secondary cover plate advancing step could be achieved by tapping it into place (into bone) or rotating it into place (into bone) so that it is finally secured into the bone. | 04-28-2016 |
20160113778 | Total Disc Replacement System and Related Methods - Total disc replacement systems and related methods involving a lateral, trans-psoas surgical approach to the spine while performing at least one of continuous and intermittent intra-operative neural monitoring of the psoas muscle to avoid injury during introduction. | 04-28-2016 |
20160113780 | HARVESTING BONE GRAFT MATERIAL FOR USE IN SPINAL AND OTHER BONE FUSION SURGERIES - A system for harvesting bone graft material for use during bone fusion surgery. In one embodiment, a bone cutting tool has a blade fixed on a distal end of a shaft. The distal end of the shaft is pivoted on a cage set between two bones to be fused, and the blade is activated to cut into the bones and form a solid bone segment in each bone as the tool shaft turns. A paddle is arranged to be inserted between the bones, and to displace the cut bone segments so that a leading portion of each segment enters the bone opposite the bone from which the segment was cut, a central portion of the segment spans across the bones, and a trailing portion of the segment remains in the bone from which it was cut. The displaced segments act as strut grafts to fuse the bones to one another. | 04-28-2016 |
20160113781 | Intervertebral Implant with Blades for Connecting to Adjacent Vertebral Bodies - An intervertebral implant for insertion into an intervertebral disc space between adjacent vertebral bodies or between two bone portions. The implant includes a spacer portion, a plate portion operatively coupled to the spacer portion and one or more blades for securing the implant to the adjacent vertebral bodies. The blades preferably include superior and inferior cylindrical pins for engaging the adjacent vertebral bodies. The implant may be configured to be inserted via a direct lateral trans-psoas approach. Alternatively, the implant may be configured for insertion via an anterior approach. | 04-28-2016 |
20160113782 | SPINAL IMPLANT CONFIGURED FOR MIDLINE INSERTION - The embodiments provide a spinal implant that is configured for midline insertion into a patient's intervertebral disc space. The spinal implant may have a body and the body comprises one or more apertures. The apertures receive fixation elements, such as a screw and the like. The fixation element may comprise one or more anti-backout features, such as a split ring. In addition, at least some of the apertures are designed to permit a predetermined amount of nutation by a fixation element. The apertures that allow nutation enable the fixation element to toggle from one position to another, for example, during subsidence of the implant in situ. Some of the apertures may be configured to rigidly lock with the fixation elements. Moreover, the spinal implant may include features, such as one or more bores, that can accommodate imaging marks to help guide a surgeon. | 04-28-2016 |
20160120652 | HEIGHT ADJUSTABLE SPINAL PROSTHESES - Dimensionally adjustable spinal prostheses are adjustable in an axial or superior to inferior dimension such that spinal prostheses may assume variations in height. The height adjustable spinal prostheses are characterized by first and second portions that are configured for adjustable coupling with one another. Spatial adjustment between the first and second portions is provided by an adjustment assembly. The adjustment mechanism preferably, but not necessarily, provides infinite adjustment over a minimum prosthesis height to a maximum prosthesis height. In one form, first and second ends of the height adjustable spinal prostheses are configured to receive an endplate. The endplates aid in attachment and/or anchoring of the spinal prosthesis within the spine. The endplates may be fashioned in various configurations such as circular or anatomical. In one form, the adjustment assembly utilizes rotational motion for varying the axial position of one prosthetic portion relative to the other prosthetic portion. Rotational movement of an adjustment mechanism of the adjustment assembly is translated into axial movement of one prosthetic portion relative to the other prosthetic portion. In another form, the adjustment mechanism is a screw and gearing assembly. In yet another form, the adjustment mechanism is a rack and pinion assembly. | 05-05-2016 |
20160120655 | ARTICULATING SPACER - Spinal implants are disclosed. One spinal implant includes a support body, an articulating element, a blocking member and a motion limiting member. The support body includes a superior end surface and a lower end surface having teeth. In between the superior end surface and the lower end surface is a recess formed in a sidewall of the support body for receiving the articulating element. The blocking member can be received in the recess to prevent inadvertent back-out of the articulating element from within the recess. The articulating element can articulate in one or more directions, thereby allowing articulation of the spinal implant into a desired position within a disc space. | 05-05-2016 |
20160120656 | EXPANDABLE INTERVERTEBRAL IMPLANT - An expandable intervertebral implant is provided for insertion into an intervertebral space defined by adjacent vertebrae. The expandable intervertebral implant includes a pair of outer sleeve portions and an inner core disposed between the outer sleeve portions. Movement of the inner core relative to the outer sleeve portions causes the outers sleeve portions to deflect away from each other, thereby engaging the expandable intervertebral implant with the vertebrae and adjusting the height of the intervertebral space. | 05-05-2016 |
20160120658 | CERVICAL DISC REPLACEMENT - A method for replacing at least a portion of an intervertebral disc in a spinal column includes: removing the portion of the intervertebral disc from the spinal column; and inserting an apparatus for replacing the portion of the intervertebral disc into an intervertebral disc space defined substantially between adjacent vertebral bones of the spinal column, and positioning the apparatus between the vertebral bones, wherein the apparatus is operable to permit the adjacent vertebral bones to articulate relative to one another about at least one of: (i) a first center of rotation for at least one of flexion and extension that is located outside the intervertebral disc space, and (ii) a second center of rotation for lateral bending that is located outside the intervertebral disc space. | 05-05-2016 |
20160120659 | Porous and Nonporous Materials For Tissue Grafting and Repair - Implants having improved mechanical properties and/or degradation profiles, kits including such implants, and methods of producing and using the same. | 05-05-2016 |
20160120660 | EXPANDABLE INTERBODY IMPLANT - An expandable interbody implant adapted for insertion at least into a disc space, between two adjacent vertebrae of a spine. An upper member and a lower member are pivotally connected at least by a drive link. A bone graft storage portion packed with a selected volume of bone growth material. A translational wall is provided between the bone graft storage portion and a trailing end of the implant. An actuator engages the bone graft storage portion, pushing it forward into engagement with the drive link, which pivots upward, moving the upper member upward away from the lower member. Upward movement of the upper member raises the translational wall to a position to assist in retention of the selected volume bone graft material within the hollow portion of the bone graft storage portion. Upward rotation of the drive link brings a face thereof into contact with a front of the bone graft storage portion, thereby retaining near constant volume of the bone graft material. | 05-05-2016 |
20160128843 | MEDICAL COMPOSITE MATERIAL, METHOD FOR FABRICATING THE SAME AND APPLICATIONS THEREOF - A medical composite material, a method for fabricating the same and applications thereof are disclosed, wherein the medical composite material includes an interface layer, a polymer layer and a metal layer. The interface layer has a first surface, a second surface opposite to the first surface and a plurality protrusion portions protruding outwards from the first surface, wherein each of the protrusion portions has an aspect ratio substantially ranging from 1 μm to 4000 μm. The polymer layer is conformally in contact with the first surface and the protrusion portions. The metal layer is in contact with the second surface. | 05-12-2016 |
20160128845 | Intervertebral Implant with Fixation Geometry - An intervertebral spacer implant ( | 05-12-2016 |
20160128846 | Composite Vertebral Spacers and Instrument - An intervertebral fusion cage that is adapted to contain an inserter within its inner volume during insertion of the cage. | 05-12-2016 |
20160128847 | SPINAL IMPLANTS AND INSTRUMENTS - An intervertebral spacer inserter includes a sleeve having a longitudinal axis, a hollow sleeve bore extending through the sleeve along the longitudinal axis, a sleeve tip end and an opening of a passage disposed in the sleeve tip end. The passage extends into the sleeve to the sleeve shaft along a passage axis that intersects the longitudinal axis at an angle less than about 90°. A sliding tip with an elongated slot is in contact with the sleeve tip end and is moveable with respect to the sleeve tip end between a first position with the opening accessible through the elongated slot and disposed adjacent a first end of the elongated slot and a second position with the opening accessible through the elongated slot and disposed adjacent a second end of the elongated slot opposite the first end. | 05-12-2016 |
20160135960 | UNIVERSALLY EXPANDING CAGE - An expandable medical implant is provided with an implantable cage body. The proximal and distal ends of the cage body may each be provided with a tapered or cam portion. The implant may further include a proximal flexure, a distal flexure, a proximal plug member having a tapered portion configured to mate with the tapered portion of the proximal end of the cage body, and a distal plug member having a tapered portion configured to mate with the tapered portion of the distal end of the cage body. The proximal plug member may be configured to move longitudinally such that the distal flexure moves and the circumference of the proximal end of the cage body resiliently expands. The distal plug member may be configured to move longitudinally such that the proximal flexure moves and the circumference of the distal end of the cage body resiliently expands. Methods are also disclosed. | 05-19-2016 |
20160143745 | INTERVERTEBRAL DISC IMPLANT - The disclosure relates to an intervertebral disc implant comprising a first construct comprising a continuous layer of nucleus pulposus (NP) tissue directly or indirectly on and integrated with a substrate, and a second construct surrounding the first construct comprising one or more continuous layers of annulus fibrosus (AF) tissue on and adherent to a scaffold, wherein the AF tissue, which is composed of single or multiple adherent layers, is integrated with the NP tissue. The disclosure also relates to methods of preparing the multi-tissue intervertebral disc and using the intervertebral disc as an implant. | 05-26-2016 |
20160143746 | Angulating Bone Plate - An angulating spinal plate assembly for fixation and/or support of bones of the spinal column is provided. The angulating bone plate includes interleaved, arcuate sheets that facilitate relative motion between first/second elements. An implant assembly is also provided that includes an angulating bone plate and associated first/second intervertebral plates that extend therefrom. The angulating bone plate generally includes an interleaved elements, e.g., an upstanding tab that cooperates with opposing faces of an opening, that permit rotational movement as between first/second implant elements until a desired relative orientation is achieved. At such time, a fixation/locking element is generally employed to fix the first/second implant elements relative to each other. The rotational movement permitted is generally in multiple planes based on the cooperative arcuate surfaces provided in the disclosed elements, i.e., side-to-side and top-to-bottom freedoms of movement. | 05-26-2016 |
20160143747 | Expandable Inter-Vertebral Cage and Method of Installing Same - An intervertebral cage includes a plurality of segments that are connected together by one or more members formed from a shape memory alloy material such that the segments are automatically moved from an initial orientation before implantation/insertion in an intervertebral space to an expanded orientation after implantation/insertion in the intervertebral space. Each of the plurality of segments may have a plurality of passageways or recesses formed therethrough, and wherein a wire formed from a shape memory alloy material extends through each of the plurality of passageways or recesses. The member may be formed from a shape memory alloy material that demonstrates shape memory effects and superelasticity properties, such as nitinol. | 05-26-2016 |
20160143748 | EXPANDING INTERBODY IMPLANT AND ARTICULATING INSERTER AND METHOD - A device to space vertebral members with first and second members that may have at least one ramped section. The first and second members may be positioned in a vertically overlapping arrangement with interior sides of the members facing together. The device may be positionable between a first orientation with the ramped section of the first member positioned away from the ramped section of the second member, and a second orientation with the ramped section of the first member positioned against the ramped section of the second member. The device may include a greater height measured between the exterior sides in the second orientation than in the first orientation. | 05-26-2016 |
20160151161 | BONE REPLACEMENT MATERIAL AND METHOD FOR PRODUCING BONE REPLACEMENT MATERIAL | 06-02-2016 |
20160151166 | LOW PROFILE STANDALONE CERVICAL INTERBODY WITH SCREW LOCKING CLIPS AND METHOD OF USING SAME | 06-02-2016 |
20160151167 | INTERVERTEBRAL CAGE FOR SPINAL IMPLANT | 06-02-2016 |
20160151168 | EXPANDABLE FUSION DEVICE AND METHOD OF INSTALLATION THEREOF | 06-02-2016 |
20160151169 | HIGHLY LORDOSED FUSION CAGE | 06-02-2016 |
20160151170 | INTERVERTEBRAL SPACER DEVICE HAVING RECESSED NOTCH PAIRS FOR MANIPULATION USING A SURGICAL TOOL | 06-02-2016 |
20160151171 | MODULAR INTERVERTEBRAL CAGE SYSTEM | 06-02-2016 |
20160151172 | UNILATERAL MOVEABLE INTERBODY FUSION DEVICE AND METHOD OF USE | 06-02-2016 |
20160158023 | MULTI-PIECE INTERVERTEBRAL IMPLANTS - Intervertebral implants for implanting into an intervertebral space are provided. The implants can comprise one or more layers that are operably attached to one another. An implant can comprise a first layer having a first mating surface that mates with a second mating surface of a second layer. The first mating surface and the second mating surface can have features that allow them to complement each other. The implants can include one or more bore holes for receiving a fixation member. The bore holes can be horizontal, vertical or diagonal. In some cases, the bore holes will be blind bore holes. | 06-09-2016 |
20160158024 | Interbody Fusion Implant and Related Methods - An implant for spinal fusion includes a base member, a closure member, pins, and recesses. The base member includes a U-shaped configuration with an open end defined by first and second free ends of first and second side walls extending away from an end wall. The closure member is configured to form an enclosed interior when coupled with the base member. The closure member includes first and second overlapping portions configured to engage the first and second free ends. First and second pins are embedded in a respective one of the first and second free ends. First and second recesses are formed in a respective one of the first and second overlapping portions. The pins cooperate with the recesses to align and frictionally couple the base member with the closure member. | 06-09-2016 |
20160158026 | Devices and Methods for Tissue Engineering - A resorbable tissue scaffold fabricated from bioactive glass fiber forms a rigid three-dimensional porous matrix having a bioactive composition. Porosity in the form of interconnected pore space is provided by the space between the bioactive glass fiber in the porous matrix. Strength of the bioresorbable matrix is provided by bioactive glass that fuses and bonds the bioactive glass fiber into the rigid three-dimensional matrix. The resorbable tissue scaffold supports tissue in-growth to provide osteoconductivity as a resorbable tissue scaffold, used for the repair of damaged and/or diseased bone tissue. | 06-09-2016 |
20160166395 | Expandable Intervertebral Spacer and Method of Posterior Insertion Thereof | 06-16-2016 |
20160166396 | EXPANDABLE SPINAL IMPLANTS | 06-16-2016 |
20160166397 | MULTI-WALLED PLACEHOLDER | 06-16-2016 |
20160166398 | DYNAMIC INTERVERTEBRAL IMPLANT | 06-16-2016 |
20160166400 | DISC PROSTHESIS | 06-16-2016 |
20160166402 | Intervertebral Disc Prosthesis and Instrumentation for Insertion of the Prosthesis between the Vertebrae | 06-16-2016 |
20160166404 | EXPANDABLE FUSION DEVICES AND METHODS OF INSTALLATION THEREOF | 06-16-2016 |
20160166405 | INTERBODY SPACER | 06-16-2016 |
20160175103 | VERTEBRAL IMPLANTS AND METHODS FOR INSTALLATION THEREOF | 06-23-2016 |
20160175104 | METHODS AND APPARATUS FOR TREATING DISC HERNIATION AND PREVENTING THE EXTRUSION OF INTERBODY BONE GRAFT | 06-23-2016 |
20160175105 | VERTEBRAL IMPLANTS AND METHODS FOR INSTALLATION THEREOF | 06-23-2016 |
20160175107 | Device For Securing An Implant To Tissue | 06-23-2016 |
20160184108 | EXPANDABLE FUSION DEVICE AND METHOD OF INSTALLATION THEREOF - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 06-30-2016 |
20160184110 | INTERBODY FUSION SYSTEMS - Methods of inserting and retaining interbody fusion material are disclosed. In some embodiments, the methods include inserting an anchored implant comprising a bone anchoring portion and an engagement portion. A method may also include inserting at least one bone fusion material within a disc space between two adjacent vertebral bodies. In some embodiments, a method includes driving the bone anchoring portion into an outer surface of at least one of the adjacent vertebral bodies and recessing the bone anchoring portion within the outer surface of the at least one adjacent vertebral body. | 06-30-2016 |
20160193054 | Method of tissue repair with spiral of filament | 07-07-2016 |
20160193055 | INTERBODY CAGE | 07-07-2016 |
20160199191 | INTERVERTEBRAL DISC SPACER | 07-14-2016 |
20160199192 | EXPANDABLE VERTEBRAL IMPLANT | 07-14-2016 |
20160199193 | SPINAL IMPLANT WITH POROUS AND SOLID SURFACES | 07-14-2016 |
20160199194 | EXPANDABLE INTERVERTEBRAL IMPLANTS AND INSTRUMENTS | 07-14-2016 |
20160199195 | SHAPE-MEMORY SPINAL FUSION SYSTEM | 07-14-2016 |
20160199196 | IN-SITU FORMED INTERVERTEBRAL FUSION DEVICE AND METHOD | 07-14-2016 |
20160199197 | MESH SPACER HYBRID | 07-14-2016 |
20160250033 | EXPANDABLE SPINAL IMPLANT | 09-01-2016 |
20160250034 | Adjustable implant | 09-01-2016 |
20160250037 | INTERVERTEBRAL FUSION IMPLANT | 09-01-2016 |
20160250041 | METHODS AND APPARATUS FOR INTERVERTEBRAL DISC PROSTHESIS INSERTION | 09-01-2016 |
20160374727 | SUPPORT DEVICE AND METHOD - Devices and methods for orthopedic support are disclosed. The device can have a first rigid section hingedly attached to a second rigid section. A tunnel through the bone near the implantation target site can be created. The device can be inserted into and pass through and out of the tunnel to the target site. | 12-29-2016 |
20160374822 | INTERBODY FUSION DEVICES, SYSTEMS AND METHODS - According to some embodiments, a method of inserting a lateral implant within an intervertebral space defined between an upper vertebral member and a lower vertebral member includes creating a lateral passage through a subject in order to provide minimally invasive access to the intervertebral space, at least partially clearing out native tissue of the subject within and/or near the intervertebral space, positioning a base plate within the intervertebral space, wherein the base plate comprise an upper base plate and a lower base plate and advancing an implant between the upper base plate and the lower base plate so that the implant is urged into the intervertebral space and the upper vertebral member is distracted relative to the lower vertebral member. | 12-29-2016 |
20160374823 | COMPOSITE SPINAL FACET IMPLANT WITH TEXTURED SURFACES - Implementations described and claimed herein provide a distal leading portion of a composite spinal implant for implantation in a spinal facet joint. In one implementation, the distal leading portion includes a distal leading end, a proximal trailing end, a first face, and a second face. The distal leading end has a distal surface generally opposite a proximal surface of the proximal trailing end. The first face has a first surface that is generally parallel with a second surface of the second face. The first and second faces extend between the distal leading end and the proximal trailing end, such that the first and second surfaces slope upwardly from the distal lead end to the proximal trailing end along a length of extending proximally. The first and second surfaces having one or more textured features adapted to provide friction with the spinal facet joint. | 12-29-2016 |
20160374824 | EXPANDABLE FUSION DEVICE AND METHOD OF INSTALLATION THEREOF - The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations. | 12-29-2016 |
20160374825 | Spinal Fusion Cage System with Inserter - The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation. | 12-29-2016 |
20160374826 | EXPANDABLE INTERBODY IMPLANT AND METHODS OF USE - An intervertebral implant is provided. The intervertebral implant comprises a first component comprising an outer tissue engaging surface and an inner surface. A second component is connected to the first component, and is relatively moveable therefrom. The second component comprises an outer tissue engaging surface and an inner surface. The second component includes an actuator. A third component is disposed for engagement and is movable relative to the first and second components. The third component comprises at least a first ramp and a second ramp axially spaced apart from the first ramp. The actuator is engageable with the third component to effect axial translation of the wedge such that the ramps engage the inner surface of at least one of the first component and the second component to move the components between a first, collapsed configuration and a second, expanded configuration. Methods of use are disclosed. | 12-29-2016 |
20160374828 | MODULAR INTERBODY ALIGNMENT DEVICE - A modular implant device for placement between two adjacent vertebrae during a surgical procedure. The implant device comprises a distractor/nosecone portion configured for placement in a first location between the vertebrae and providing distraction and fixation of a desired vertical separation between the vertebrae at the first location. An alignment guide being a long slender element has a first end inserted into the distractor/nosecone portion and extending away from the distractor/nosecone portion, where the alignment guide is used to position the distractor/nosecone portion in the first location between the vertebrae. A body portion is configured for placement in a second location between the vertebrae, providing distraction and fixation of a desired vertical separation between the vertebrae at the second location, where the body portion includes a bore to receive the alignment guide, and the body portion is translated along the alignment guide into position between the vertebrae. | 12-29-2016 |
20160374829 | KIT FOR BUILDING A CAGE FOR SPONDYLODESIS AND METHOD THEREFOR - A modular kit and/or method buildings a cage for spondylodesis, wherein the kit and/or method comprises at least two plates, wherein the plates comprise a biocompatible material and each comprise a planar structure and a plurality of pins projecting from the planar structure of the plates, wherein the pins each comprise at least one latching element, wherein the pins are elastically deformable and are arranged sufficiently close to each other on the planar structure such that pressing planar structures studded with pins of several plates onto each other causes the latching elements of different plates to snap into each other, wherein at least two of the at least two plates comprise a recess with a diameter of at least 5 mm. | 12-29-2016 |
20160374830 | BI-DIRECTIONAL FIXATING TRANSVERTEBRAL BODY SCREWS AND POSTERIOR CERVICAL AND LUMBAR INTERARTICULATING JOINT CALIBRATED STAPLING DEVICES FOR SPINAL FUSION - A tool assembly includes a universal, intervertebral bone fusion spacer for insertion into a disc space between a first vertebral body and a second vertebral body and fusion of the first vertebral body to the second vertebral body via biological bone fusion and screw fusion, and a tool for manipulating and inserting the universal, intervertebral bone fusion spacer into the disc space between the first vertebral body and the second vertebral body to provide fusion of the first vertebral body to the second vertebral body via biological bone fusion and screw fusion. | 12-29-2016 |
20160374831 | INTERBODY FUSION DEVICE AND SYSTEM FOR IMPLANTATION - Implant fixation systems, kits and methods for interbody fusions are described herein. Preferably, the implant has a cage containing two deployable blades and one or more strike plates that are able to deploy the blades. The blades are positioned inside the cage such that one blade faces upward and the other blade faces downward. Protrusions on the ends of the blades fit into correspondingly shaped tracks on the interior surface of the cage, allowing movement of the blades inside the cage. The implant also has two wedge-shaped strike plates that fit into attachment regions located on the blades, which allow the strike plates to slide. Impaction of the strike plate(s) causes them to push the blades superiorly or inferiorly. In the impaction position, a portion of the blades protrudes beyond the superior and the inferior surfaces of the cage and fixes the cage in the adjacent vertebral bodies. | 12-29-2016 |
20160374832 | INSERTER FOR EXPANDING BODY TISSUE - An elongate inserter has a distal end releasably connected to an expandable device for expanding body tissue and a proximal end including a trigger actuator. The expandable device comprises a superior endplate and an inferior endplate that are movable in an expansion direction relative to each other between opposing tissue surfaces of a body. The inserter includes a lifting platform comprising ramp surfaces that upon operation of the trigger actuator cooperatively engage complementary surfaces of expansion structure within the device to cause the superior and inferior endplates to move relatively away from each other. A driver is supported by the inserter for pushing an insert between the superior and inferior endplates after expansion of the device. | 12-29-2016 |
20170231769 | ARTIFICIAL INTERVERTEBRAL DISC WITH LOWER HEIGHT | 08-17-2017 |
20170231778 | INTERVERTEBRAL IMPLANT | 08-17-2017 |
20170231780 | EXPANDABLE FUSION CAGE | 08-17-2017 |
20170231784 | HARVESTING BONE GRAFT MATERIAL FOR USE IN SPINAL AND OTHER FUSION SURGERIES | 08-17-2017 |
20180021147 | EXPANDABLE VERTEBRAL IMPLANT | 01-25-2018 |
20190142599 | Surgical Implant With Guiding Rail | 05-16-2019 |
20190142601 | Device and Method for Deployment of an Anchoring Device for Intervertebral Spinal Fusion | 05-16-2019 |
20190142602 | INTERVERTEBRAL IMPLANT | 05-16-2019 |
20190142603 | SPINAL IMPLANT SYSTEM | 05-16-2019 |
20190142604 | SPINAL FUSION CAGE SYSTEM WITH INSERTER | 05-16-2019 |
20190142606 | Interbody Fusion Cages | 05-16-2019 |
20220133494 | Implant With Deployable Blades - An implant may include a body having a first blade having a first retracted position in the body and a first extended position where the first blade extends outwardly from the body, a second extendable blade, and a blade actuating member configured to translate through the body in directions parallel to the lateral axis. When the blade actuating member is moved in a first direction along the lateral axis, the first blade moves towards the first extended position; and in the first extended position, the first blade extends from the superior surface at a first non-zero angle with respect to the superior-inferior axis; and the second blade moves towards a second extended position in which the second blade extends from the inferior surface at a second non-zero angle with respect to the superior-inferior axis. | 05-05-2022 |
20220133497 | DUAL WEDGE EXPANDABLE IMPLANT WITH EYELETS, SYSTEM, AND METHOD OF USE - An expandable implant movable between a contracted position and an expanded position, is disclosed. In various embodiments, the implant may include a superior endplate and an inferior endplate having proximal ramps and distal ramps disposed on an interior surface thereof, respectively. In various embodiments, a proximal set screw and a distal set screw may be independently coupled to a proximal wedge and a distal wedge. Upon rotation of the proximal set screw, the proximal wedge may act against the proximal ramps of the superior and inferior endplates and cause the implant to expand at the proximal end. Upon rotation of the distal set screw, the distal wedge may act against the distal ramps of the superior and inferior endplates and cause the implant to expand at the distal end. In some embodiments, a first eyelet and a second eyelet for supporting a corresponding bone screw, respectively, may be included. | 05-05-2022 |