Patent application number | Description | Published |
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 |
20090054901 | INSERTER DEVICE USED FOR ORTHOPEDIC SURGERY - A surgical tool for inserting an implant in a vertebral body. The surgical tool includes a shaft with a shaft thread adapted to engage the implant, a piston coupled to the shaft thread to articulate the implant from a starting linear position to a final curvilinear position, an actuator coupled to the piston to adjust a position of the implant, and an annular structure surrounding the shaft to increase a stability of an end part of the implant on an impact of insertion. A screw attached to the piston may lock the end part of the implant. A lock lever may lock the position of the piston in at least one position, and a knob may disengage the implant from the surgical tool. | 02-26-2009 |
20090069849 | DYNAMIC SCREW SYSTEM - A dynamic screw system for stabilizing a vertebral body includes a bone screw adapted to connect to the vertebral body, the bone screw including an open concave head, a connecting element coupled to the bone screw, a joint element coupled around a middle cylindrical portion of the connecting element, an elongated bar element coupled to the upper spherical portion of the connecting element, and a pin adapted to fit inside the elongated bar element and a slot of the connecting element. The connecting element may include an upper spherical portion including a first diameter, a middle cylindrical portion including a second diameter less than the first diameter, and a lower spherical portion having a plurality of outwardly expandable legs adapted to lock into the open concave head of the bone screw. | 03-12-2009 |
20090093882 | SLIDING INTERBODY DEVICE - A method of performing a surgical procedure and a sliding intervertebral implant includes an inner member that connects to an intervertebral space between two adjacent vertebrae, wherein the inner member includes a pair of arms spaced apart by a gap; an inclined plane configured in the gap; an arcuately-shaped back portion; and a fitting mechanism coupled below the pair of arms and the back portion, wherein the fitting mechanism includes a knob and neck. An outer member slidably attaches to the inner member, and includes a pair of curved arms spaced apart by a channel, wherein the pair of curved arms comprise an arcuate shape to match the arcuate shape of the back portion of the inner member, wherein the knob is configured to slide in the channel within a limitation of a pre-set curvature that is based on a pattern of a shape of the intervertebral space. | 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 |
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 |
20090149885 | SPINAL FLEXION AND EXTENSION MOTION DAMPER - An orthopedic damper system and method to control the degree of flexion and/or extension motion of the mobile vertebral segment while providing additional stability to the spine. The damper system includes an anchor having a spring hitch, a spring coupled to the spring hitch, and a cap coupled to the spring. The anchor is adapted to connect to a spinous process. The spring includes an inner hollow area adapted to accommodate the spring hitch. The cap includes an opening connected to an inner cavity that is adapted to accommodate the spring and the spring hitch. | 06-11-2009 |
20090149888 | ORTHOPEDIC ANTI BACK-OUT MECHANISM - A bone plate to be inserted into a vertebral column. The bone plate includes a hole, an eccentrically-shaped annulus, and a channel. The hole includes an eccentrically-shaped sidewall and the annulus includes an aperture positioned on an upper surface of the annulus. The hole is configured to receive a bone screw. The channel is positioned adjacent to the sidewall and adapted to hold the annulus. The channel may permit the annulus to rotate with respect to the sidewall. The channel may include a notch and the annulus may include a flared end. The flared end may be adapted to fit into the notch of the channel. A portion of the annulus may be adapted to cover a portion of the bone screw. As the annulus rotates with respect to the sidewall, the portion of the annulus may cover the portion of the bone screw. | 06-11-2009 |
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 |
20090182380 | SPRING-LOADED DYNAMIC PEDICLE SCREW ASSEMBLY - An assembly that includes a fixator component, a clamping mechanism, a screw head, a load sharing mechanism, and a blocker. The fixator component further includes a bulbous end, a neck portion, and a threaded end. The clamping mechanism is positioned around the neck portion of the fixator component. The load sharing mechanism is positioned in between the screw head and the bone fixator component. The screw head further includes a pair of diametrically opposed arms, a socket and a slot. The socket is positioned between the pair of arms and the slot is positioned above the socket. The socket is dimensioned and configured to house the bulbous end of the fixator component. The load sharing mechanism provides tensile resistance to the screw head and the blocker is adapted to engage the screw head. | 07-16-2009 |
20090275981 | Artificial Ligament Assembly - An artificial ligament assembly for spinal stabilization includes an outer hollow elastic longitudinal member, a rigid inner member, a bone anchor mechanism, a bone anchor, and a buffered space. The artificial ligament assembly further includes a clamp that controls a torsional motion of the outer hollow elastic longitudinal member with respect to the bone anchor mechanism. The outer hollow elastic longitudinal member is at least as long as the inner rigid member. The rigid inner member is configured in a substantially same shape as the outer hollow elastic longitudinal member. The bone anchor mechanism is coupled to the outer hollow elastic longitudinal member. The bone anchor connector may further include an insert end. The bone anchor is coupled to the bone anchor mechanism. The buffered space allows any of a compression and an extension of the bone anchor mechanism inside the outer hollow elastic longitudinal member. | 11-05-2009 |
20090318975 | Rod Reducer Method - A method of operating a rod reducer includes connecting a cam coupling rod reducer to a screw head of a pedicle screw assembly, wherein spaces in between prongs at a second end of an inner tube of the rod reducer are positioned parallel to a rod of the pedicle screw assembly, and wherein the connection of the cam coupling rod reducer to the screw head indicates a first position of operation; rotating a lever cam of the cam coupling rod reducer until an indication line marked on an outer body of the cam coupling rod reducer moves to a second position of operation; and rotating the lever cam to a third position of operation, wherein the third position of operation indicates that the rod is optimally seated in the pedicle screw assembly, and that the pedicle screw assembly is ready to accept a blocker screw. | 12-24-2009 |
20100057141 | MULTI-ANCHOR ANTI-BACK OUT MECHANISM AND METHOD - A medical device and apparatus comprising a primary anchor component comprising a circular end comprising a first opening; a primary shaft extending from the circular end and comprising a second opening; a primary tip end positioned opposite to the circular end; and an angled passageway connecting the first opening to the second opening. The angled passageway comprises means for engaging the notch causing the secondary shaft to bend at the notch. The apparatus further comprises a secondary anchor component insertable through the primary anchor component, wherein the secondary anchor component comprises a threaded end; a secondary shaft extending from the threaded end and comprising a notch that permits the secondary shaft to bend; and a secondary tip end positioned below the notch. The secondary tip end extends out of the second opening when the secondary anchor component is inserted into the primary anchor component. | 03-04-2010 |
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 |
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 |
20100174313 | Sealed Lubrication System and Method for Dynamic Stabilization System - A dynamic screw assembly includes a fixation component that connects to a vertebral body, the fixation component includes at least one inlet to allow a lubricant to pass inside the fixation component, a ring member coupled to the fixation component, a stopper sealing at least one inlet, a coupling member includes an inwardly curved bottom portion and a bulbous end extending from the inwardly curved bottom portion, a bumper mechanism coupled to the fixation component and the coupling member, a longitudinal member coupled to the coupling member, and a blocker that retains the longitudinal member in the coupling member. The bulbous end includes at least one groove that houses the lubricant, and at least one slot to allow the bulbous end to fit into the fixation component and to limit a range of angulation of the coupling member with respect to the fixation component. | 07-08-2010 |
20100174322 | Biased Bumper Mechanism and Method - A dynamic screw assembly includes a screw head having a pair of diametrically opposed arms, a slot between the arms, an inwardly curved bottom portion, an outwardly protruding and expandable bulbous end extending from the inwardly curved bottom portion and an opening positioned through the bulbous end, a bumper mechanism adjacent to the screw head that adjusts an angle of the screw head to a desired location in the dynamic screw assembly, a fixation component coupled to the bumper mechanism, a saddle connection positioned in the opening and engaging the screw head and the fixation component, a longitudinal member positioned in the slot and a blocker coupled to the screw head and the longitudinal member. | 07-08-2010 |
20100274094 | Tissue Retraction Apparatus - A tissue retraction apparatus comprising a first body including a first body lower surface with a plurality of tracks embedded therein; a second body coupled to the first body that allows rotational movement of the first body relative to the second body, the second body including a second body upper surface comprising a plurality of tracks embedded therein; and a plurality of dilation components axially spaced around a dynamic opening, each dilation component comprising an arm including a top and a bottom, where the arm is coupled to an arm track of the second body and allows translational movement of the arm along the arm track; a pin fixedly coupled to the top of the arm, wherein the pin is coupled to a track of the first body and allows translational movement of the pin along the track; and a leg fixedly coupled to the bottom of the arm. | 10-28-2010 |
20100274291 | Spinal Fixation Mechanism - A mechanism for fixing a spinal support to vertebrae includes a support member and a pedicle screw component. The support member comprises an elongated end comprising a longitudinal axis. A hook connects to the elongated end and receives the vertebrae. The hook is angled in three different planes with respect to the longitudinal axis. A connector section connects the elongated end to the hook and is angled with respect to the elongated end and comprises a thickness less than a thickness of the elongated end. The pedicle screw component comprises a fixation component anchored in the vertebrae. The fixation component comprises a socket; a screw head comprising a bulbous end that fits into the socket; and a channel that receives the elongated end. A pin causes outward expansion of the bulbous end; and a blocking mechanism is attached to the screw head and adjacent to the elongated end. | 10-28-2010 |
20100291507 | Polyaxial Dental Implant - A polyaxial dental implant includes an abutment member that includes a channel bored through a longitudinal axis of the abutment member, and an outwardly protruding and expandable round bulbous body coupled to an end of the abutment member. The implant includes a fixture member coupled to the bulbous body, where the fixture member receives the bulbous body; and a pin engaged within the abutment member via the channel and contacting the bulbous body causing the bulbous body to outwardly expand into the fixture member. | 11-18-2010 |
20100298884 | Polyaxial Auxiliary Connector - A polyaxial auxiliary connector assembly and method includes a first component comprising a base comprising at least one female socket; and a member connected to the base, wherein the member comprises at least one aperture. A second component is operatively connected to the base and comprises a seat portion; a pair of upright arms extending from the seat portion and defining a first channel therebetween; an outwardly protruding and expandable bulbous male end positioned adjacent to the seat portion and in the female socket of the base; and a second channel positioned through the seat portion and the male end, wherein the first and second channels each comprise a longitudinal axis that are positioned orthogonal to one another; a pin positioned through the second channel causing the bulbous male end of the second component to outwardly expand in the female socket; and a blocker mechanism engaged with the second component. | 11-25-2010 |
20100305613 | Headless Polyaxial Screw System - A headless polyaxial screw system comprises a longitudinal member comprising an outwardly protruding and expandable round bulbous body, a fixation component directly connected to the bulbous body, where the fixation component receives the bulbous body, and a pin engaged within the longitudinal member via a first channel bored through the longitudinal member and contacting the bulbous body causing the bulbous body to outwardly expand. | 12-02-2010 |
20100305614 | Polyaxial Screw Connection Assembly - A polyaxial screw connection assembly includes a first longitudinal member comprising a bored fastener channel and a first bulbous body; a second longitudinal member comprising a cylindrical body to fit within the fastener channel, and a second bulbous body; a fastener with a bored cylindrical channel, connected to the first longitudinal member and the cylindrical body and securely couples the first longitudinal member to the second longitudinal member; a first fixation component directly connected to the first bulbous body; a second fixation component directly connected to the second bulbous body; a first pin engaged within the first longitudinal member via a bored first channel and contacting the first bulbous body causing the first bulbous body to outwardly expand; and a second pin engaged within the second longitudinal member via a bored second channel and contacting the second bulbous body causing the second bulbous body to outwardly expand. | 12-02-2010 |
20100305615 | Multi-level Polyaxial Screw Connection Mechanism - A multi-level polyaxial screw connection mechanism includes a bone fixation component and a head component directly connected to the bone fixation component. The head component includes a lower portion comprising at least one lower portion concave socket configured and an upper portion elevated compared with the lower portion. The upper portion comprises at least one upper portion concave socket configured and the lower portion(s) concave socket comprises a volume substantially equal to a volume of the upper portion(s) concave socket. | 12-02-2010 |
20110009706 | Adjustable Polyaxial Tissue Retractor - An adjustable polyaxial tissue retractor includes a retraction bar including a plurality of etched teeth, a retraction blade coupled to the retraction bar, a connector including a quick release component cavity and an outwardly protruding and expandable round bulbous body, a quick release component engaged with at least one tooth of the retraction bar via a retraction bar cavity, where the quick release component is configured to loosely mate with the quick release component cavity, a saddle pin engaged within the connector via a first channel bored through the connector and contacting the bulbous body causing the bulbous body to outwardly expand, and a base including a plurality of embedded sockets and directly connected to the bulbous body, where the base receives the connector. | 01-13-2011 |
20110034258 | Polyaxial Pedicle Screw Assembly and Method - A method comprising attaching a screw head to a bone fixator component, wherein the screw head comprises a first portion comprising a slot and an inwardly curved bottom portion; and a second portion comprising an outwardly protruding and expandable bulbous end extending from the inwardly curved bottom portion; and wherein the bone fixator component comprises a concave socket adapted to receive the screw head; securing the bone fixator component in a bone; securing a locking pin in the screw head; engaging the locking pin with the bone fixator component; inserting a longitudinal member in the screw head; and inserting a blocker in the screw head. | 02-10-2011 |
20110046684 | Screw Assembly and Method - A screw assembly and method includes a coupling member comprising a semi-bulbous end; a fixator component that receives the semi-bulbous end of the coupling member; a resisting member mounted in the coupling member and comprising a mating member; a connection pin comprising a resisting member socket operatively connected to the mating member of the resisting member; and a blocker that engages the coupling member. | 02-24-2011 |
20110046738 | Sliding Intervertebral Implant Method - A sliding intervertebral implant 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. | 02-24-2011 |
20110054546 | Polyaxial Pedicle Screw Assembly - A pedicle fixation assembly and method for assembly comprises a screw head comprising a male bulbous end; a bone fixator component comprising a female concave semi-spherical socket for receiving the screw head; a locking saddle pin for engaging the screw head and the bone fixator component; and a blocker for engaging the screw head and for securing the longitudinal member. | 03-03-2011 |
20110071571 | Spinal Rod Insertion Method - A method includes loading a longitudinal member comprising holes located at distal ends of the longitudinal member into a holder, the holder comprising a tip end comprising a first portion and a second portion, wherein any of the first portion and the second portion comprise a prong tip; a handle end located distally away from the tip end, wherein the handle end comprises a first gripping arm and a second gripping arm; and an engaging member operatively connecting the first gripping arm to the second gripping arm, wherein the engaging member comprises tooth-like features. The method further comprises engaging the tooth-like features of the engaging member with the second gripping arm; and fitting the prong tip of any of the first and second portions of the tip end of the holder into a hole of the longitudinal member. | 03-24-2011 |
20110087287 | Rod-to-Rod Connector - A rod-to-rod connector assembly comprising a longitudinal member, which may be straight or S-shaped or have some other configuration; and a connecting member connected to a first end of the longitudinal member, wherein the connecting member comprises a pair of threaded opposed ends defining a channel therebetween. The assembly may further comprise a threaded blocking mechanism that engages the pair of threaded opposed ends of the connecting member. Preferably, the longitudinal member connects to only one of the opposed ends of the connecting member. The longitudinal member may comprise a first elongated portion comprising a first longitudinal axis; a second elongated portion comprising a second longitudinal axis; and a curved portion connecting the first elongated portion to the second elongated portion, wherein the first longitudinal axis and the second longitudinal axis are parallel to one another. | 04-14-2011 |
20110112582 | Spring-Loaded, Load Sharing Polyaxial Pedicle Screw Assembly and Method - A method includes positioning a load sharing mechanism in between a screw head and a bone fixator component; attaching the screw head to the bone fixator component such that the load sharing mechanism provides tensile resistance to the screw head; securing the bone fixator component in a bone; securing a locking pin in the screw head; engaging the locking pin with the bone fixator component; inserting a longitudinal member in the screw head; and inserting a blocker in the screw head. The method may further comprise positioning a longitudinal member in a slot configured in the screw head. | 05-12-2011 |
20110152624 | Percutaneous Tube Assembly - A percutaneous tube assembly is provided for performing minimally invasive surgery, the system comprising a percutaneous tube comprising a translucent main body; an external attachment fixture attached to the main body; an access channel longitudinally bored through the main body; an internal attachment channel longitudinally bored through the main body, wherein the internal attachment channel comprises a partially smooth inner surface adjacent to a partially rough inner surface; and an internal attachment, mating with the internal attachment channel. | 06-23-2011 |
20110152942 | Method and Apparatus for Using a Multi-Hinged Longitudinal Member - A method and apparatus for using a multi-hinged longitudinal member including providing the multi-hinged longitudinal member, including a primary first hinge component pair; and an auxiliary first hinge component pair; providing a primary control device including: a primary control arm pair; and a primary second hinge component pair; providing an auxiliary control device, including an auxiliary second hinge component pair; and an auxiliary control arm pair; creating a primary hinge by connecting each primary first hinge component to a unique primary second hinge component to create a primary hinge; creating a auxiliary hinge by connecting each the auxiliary first hinge component to a unique auxiliary second hinge component to create an auxiliary hinge; rotating the multi-hinged longitudinal member along different axes through manipulation of at least one of the primary control device and the auxiliary control device; and setting the multi-hinged longitudinal member in the desired position. | 06-23-2011 |
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 |
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 |
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 |
20110288597 | Radiolucent Screwdriver for Orthopedic Surgery - A method of performing a surgical procedure includes providing an implant inserter comprising radiolucent materials; engaging a surgical implant with the radiolucent implant inserter; inserting the surgical implant in a body with the radiolucent implant inserter; and taking X-ray photography of the surgical implant with the radiolucent implant inserter operatively connected thereto, wherein the radiolucent implant inserter is at least partially within the body during the taking of the X-ray photography. The implant inserter may comprise a body portion comprising the radiolucent materials; and a tip portion operatively connected to the tip portion. The tip portion may comprise radiolucent materials. The tip portion may comprise steel. The radiolucent materials may comprise any of plastic carbon fibers, and thin aluminum. The implant inserter may comprise a torque capacity of at least 6 Nm. The implant inserter may comprise a screwdriver. The method may further comprise disposing the implant inserter after use. | 11-24-2011 |
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 |
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 |
20130103095 | Facet Screw System and Method - A facet screw system and method includes an implant assembly having a screw with a removable head, a locking nut, and a collet. An insertion instrument is used to insert the screw, compress the facet joint, locks the implant, and breaks off the head of the screw providing a lower profile implant. | 04-25-2013 |
20130317557 | MIS ROD INSERTION DEVICE AND METHOD - A medical device includes an implant portion; an inserter portion detachably connected to the implant portion; and a device manipulation portion operatively connected to the inserter portion. In one embodiment, the implant portion includes a longitudinal member. The device may further include a breakaway component in between the implant portion and the inserter portion. The device may further include a notch configured between the implant portion and the inserter portion. The implant portion and the inserter portion are detachable upon applying a sufficient force to the device manipulation portion to cause detachment of the implant portion from the inserter portion. The detachment of the implant portion from the inserter portion occurs after the implant portion is seated in a construct assembly that is attached to a bone inside a patient. | 11-28-2013 |