Patent application number | Description | Published |
20110054549 | Reducing instrument for spinal surgery - An instrument is provided for reduction of a rod or other elongated member into an implant, such as a bone screw. In one embodiment, such an instrument includes a rod adjusting assembly pivotably attached to an implant holding assembly. The implant holding assembly can be pivotably connected to an implant, and the rod adjusting assembly is operable to move a rod toward or away from the implant holding assembly. In that embodiment, several motions are possible by the instrument so that relatively small or large movements of a rod with respect to an implant may be made. | 03-03-2011 |
20120283786 | ANCHORS EXTENDER ASSEMBLIES AND METHODS FOR USING - One nonlimiting embodiment is directed to an anchor extender releasably engaged with an anchor configured for engagement with one or more bones or bony portions. The anchor extender generally includes a first member and a second member positioned about and movable relative to the first member. The anchor extender is positionable adjacent the anchor and movement of the second member relative to the first member toward the anchor as the anchor extender is engaged with the anchor results in lateral displacement of the anchor extender relative to the anchor while the first member engages with a first side of the anchor and the second member engages with an opposite second side of the anchor. However, in other embodiments, different forms and applications are envisioned. | 11-08-2012 |
20130190822 | SOINAL IMPLANT SYSTEM AND METHOD - An implant reducer comprises a first arm including a first member and a second member. The second member includes an inner surface that defines a first implant engaging portion. A second arm includes a first member and a second member. The second member of the second arm includes a connector and a second implant engaging portion. The first members are connected and the connector is movably disposed in a longitudinal cavity. The first members are relatively rotatable to move the arms between a first configuration, a second configuration such that the first implant engaging portion is disposed adjacent the second implant engaging portion and a third configuration such that the connector translates relative to the inner surface and the second implant engaging portion translates relative to the first implant engaging portion. Methods of use are disclosed. | 07-25-2013 |
20130211456 | CONNECTOR AND FASTENER SYSTEM - An implant system comprises a fastener including a proximal portion including an inner surface that defines a first cavity that defines a first axis and a distal portion configured for penetrating tissue and defining a longitudinal axis disposed transverse to the first axis. A connector extends between a first end and a second end configured for disposal in the first cavity. A receiver is attachable to the first end and includes an implant cavity defining a second axis. The implant cavity is rotatable about a third axis disposed transverse to the second axis such that an implant disposed in the implant cavity and posterior to the first end is rotatable in a first plane relative to the first end in a configuration for selective fixation with the first end. Methods of use are disclosed. | 08-15-2013 |
20130211457 | VERTEBRAL IMPLANT AND CONNECTOR - An implant system comprises a fastener including a proximal portion including an inner surface that defines a first cavity that defines a first axis and a distal portion configured for penetrating tissue and defining a longitudinal axis disposed transverse to the first axis. A connector extends between a first end and a second end configured for disposal in the first cavity. A receiver is attachable to the first end and includes an implant cavity defining a second axis. The implant cavity is rotatable about a third axis disposed transverse to the second axis such that an implant disposed in the implant cavity and lateral to the first end is rotatable in a first plane relative to the first end in a configuration for selective fixation with the first end. Methods of use are disclosed. | 08-15-2013 |
Patent application number | Description | Published |
20080275459 | Surgical instrument attachment mechanism - An instrument attachment mechanism is disclosed that is operable to be temporarily, but securely, connected with a surgical device. The attachment mechanism includes a body that has a drive member protruding outwardly from a portion of the body. The drive member includes a plurality of side walls and a passageway running from a bottom surface of the drive member to a predetermined depth in the drive member. At least one slot is located in a respective one of the plurality of side walls that extends through the side wall into the passageway. A biasing member is positioned within the passageway such that a select portion of the biasing member protrudes outwardly from the slot. A surgical device, such as a surgical instrument or implant, may be temporarily connected with the drive member such that the select portions of the biasing member apply force to an inner wall of a drive receiving member of the surgical device. | 11-06-2008 |
20110106174 | Direct Control Spinal Implant - A bone anchor assembly is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor assembly includes a bone anchor, a receiver mounted to the bone anchor, a saddle within the receiver, a spacer within the receiver, and an engaging member. The receiver extends along a central longitudinal axis proximally away from the bone anchor. A rod or other elongated connecting element is received in a passage of the receiver in contact with the saddle, and the engaging member engages the connecting element against the saddle, which engages the saddle against the spacer, which in turn engages the proximal head of the bone anchor in the receiver. The orientation of the saddle in the receiver is adjustable to correspond to the orientation of the connecting element relative to the central longitudinal axis of the receiver. | 05-05-2011 |
20110106181 | ADJUSTABLE SADDLE FOR A BONE ANCHOR - A bone anchor is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor includes an anchoring portion, a receiving portion, and an internal saddle that is rotatable with respect to the receiving portion at least to a degree. The anchoring portion is attachable to a bone. A rod or other elongated support member is received in the receiving portion in contact with the saddle. The rod and saddle may be rotated for variability substantially in a plane, and an engaging member is engaged to the receiving portion to lock the rod within the receiving portion. | 05-05-2011 |
20110184416 | PRE-ASSEMBLED CONSTRUCT FOR INSERTION INTO A PATIENT - Surgical constructs pre-assembled for insertion as a unit into a patient. The pre-assembled construct may include an elongated member with opposing first and second ends. The construct may also include a connector with a body, a first receptacle that extends through the body and receives the elongated member, a threaded aperture that extends from an exterior of the body into the first receptacle, a fastener threaded into the threaded aperture, and a second receptacle that receives a structural member in the patient. The first receptacle may be larger than the elongated member for the connector to be movable along the elongated member. The construct may also include retaining members permanently attached to each of the first and second ends of the elongated member. The retaining members may include a central opening with an inner radial surface that contacts the elongated member and an outer radial surface that extends outward beyond the elongated member. The retaining members may be larger than the first receptacle to prevent the connector from detaching from the elongated member. | 07-28-2011 |
20110196425 | Connector and Method - Embodiments of the invention include a device and method for securing linear elements relative to one another. In some embodiments, medical implant linear elements are secured in a connector by forcing one or both of the linear elements against at least another member such as a tapered member or wedge. The secured linear elements may include rods, posts, screws, hooks, bars, bolts, or other members. | 08-11-2011 |
20110257690 | Transverse and Sagittal Adjusting Screw - A bone anchor assembly is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor assembly includes a bone anchor, a receiver mounted to the bone anchor, a saddle within the receiver, a spacer within the receiver, and an engaging member. The receiver extends along a central longitudinal axis proximally away from the bone anchor. A rod or other elongated connecting element is received in a passage of the receiver in contact with the saddle, and the engaging member engages the connecting element against the saddle, which engages the saddle against the spacer, which in turn engages the proximal head of the bone anchor in the receiver. The orientation of the saddle in the receiver is adjustable to correspond to the orientation of the connecting element relative to the central longitudinal axis of the receiver. | 10-20-2011 |
20120116464 | MULTI-THREAD BONE SCREW AND METHOD - A bone screw comprises a threaded shank including a distal end portion and a proximal end portion, and defining a first threaded section extending from the distal end portion toward the proximal end portion and adapted for anchoring in cancellous bone. A second threaded section extends contiguously from the first threaded section toward the proximal end portion The second threaded section has a finer thread pattern relative to the first threaded section. In one embodiment, the first threaded section includes a first helical threading defining a single lead thread pattern for anchoring in cancellous bone, and the second threaded section includes a second helical threading interleaved with the first threading to define a duel lead thread pattern for engagement in cortical bone. In a further embodiment, the bone screw includes a head portion extending from the threaded shank and configured for coupling to a spinal implant. | 05-10-2012 |
20150105833 | SURGICAL INSTRUMENT ADAPTOR - A surgical instrument adaptor comprises a member that defines a longitudinal axis. The member is configured for connection to an image guide that is configured to generate a signal representative of a position of a surgical instrument. The member extends between a first end and a second end. The first end includes a first mating part configured for releasable engagement with a mating part of an actuator. The second end includes a second mating part configured for releasable engagement with a mating part of the surgical instrument. Systems and methods are described. | 04-16-2015 |
Patent application number | Description | Published |
20080243175 | Surgical Gripping Tool Having Dual-Linkage, Force Multiplying Coupler and Shaped to Grip Multiple Size Rods - A surgical gripping tool includes a dual-linkage, force multiplying coupling that increases the force applied to surgical rods for a given force applied to the tool handles. In some embodiments, recesses in the tool that grip surgical rods have complex surfaces comprising multiple radii, allowing the tool to securely grip surgical rods of different diameters. The recess radii may be undersized relative to the associated rod size. In one embodiment, the coupling multiplies an applied force by a factor of over 20. | 10-02-2008 |
20110106175 | Bone Engaging Implant With Adjustment Saddle - A bone anchor assembly is provided, which may be used in cervical, thoracic, lumbar or sacral areas of the spine or other orthopedic locations. The anchor assembly includes a bone anchor, a receiver mounted to the bone anchor, a saddle within the receiver, and an engaging member. The receiver extends along a central longitudinal axis proximally away from the bone anchor. A rod or other elongated connecting element is received in a passage of the receiver in contact with the saddle, and the engaging member engages the connecting element against the saddle, which engages the saddle against the proximal head of the bone anchor in the receiver. The orientation of the saddle in the receiver is adjustable to correspond to the orientation of the connecting element relative to the central longitudinal axis of the receiver. | 05-05-2011 |
20120029566 | ADJUSTABLE SPINAL CONNECTOR ASSEMBLY - A spinal connector assembly including a connector body defining first and second passages arranged transverse to one another and configured to receive respective portions of an implant and an elongate rod. A collet receives a portion of the implant therein and extends through the first passage with an upper portion extending axially beyond an upper side of the connector body and a lower portion extending axially beyond a lower side of the connector body. A washer is positioned annularly about the lower portion of the collet and beneath the connector body with a top side of the washer facing a lower side of the connector body and with one of the top and lower sides defining a convex surface and the other defining a concave surface. A lock member is engaged with the upper portion of the collet and exerts an upward force thereon to pull the collet and the washer in an upward direction to draw the convex and concave surfaces into compressed engagement with one another, and the upward force also drawing an outer surface of the collet against an inner engagement surface to inwardly displace a portion of the collet into clamped engagement with the implant member. | 02-02-2012 |
20120029571 | Adjustable Connector for Interconnecting Elongate Rod Members at Variable Angular Orientations - An adjustable connector including first and second connector members rotationally coupled together and configured to receive first and second spinal rods, respectively. In one embodiment, the first connector member includes an elongated slot that receives the first rod and has a length extending along an axis arranged transverse to the rotational axis, and the second connector member includes a second passage that receives the second rod. A lock member is positioned between the connector members and includes an angled rod bearing surface extending along a plane oriented at an oblique angle relative to the rotational axis. A compression member extends into the first passage of the first connector member and into compressed engagement with the first rod to displace the first rod along the length of the elongated slot and into sliding engagement with the angled rod bearing surface, which in turn axially displaces the lock member toward the second connector member to compress the first interface surface of the lock member against an opposing second interface surface to selectively prevent relative rotation between the connector members. | 02-02-2012 |
20120109209 | Spinal Connector Assembly - A spinal connector assembly includes a connector body having a first receiver portion defining a first passage for receiving a first implant member, a second receiver portion defining a second passage for receiving a second implant member, and a threaded portion extending axially from the second receiver portion. A washer member is rotationally coupled with the connector body to permit rotational movement about the rotational axis and translational movement along the rotational axis, and includes a transverse channel generally aligned with the second passage of the connector body. A lock member is threadingly engaged with the threaded portion of the connector body such that threading engagement of the lock member along the threaded portion exerts an axial force onto the second implant member to compress the second implant member within the channel in the washer member which in turn displaces the washer member into compressed engagement with the first implant member to thereby lock the washer member and the second implant member at a select angular orientation relative to the connector body, and the axial force also compresses the first implant member into clamped engagement within the first passage of the connector body. | 05-03-2012 |
20120185001 | Bone Anchors Compatible for Use with Neural Integrity Monitoring Systems and Procedures - A bone anchor compatible for use with a neural integrity monitoring system. The bone anchor includes a bone engaging portion configured for anchoring to bone and has at least one insulated region coated with a bone growth promoting material and at least one conductive region contiguous with the insulated region and having reduced electrical resistance relative to the insulated region. | 07-19-2012 |
20120197312 | THREAD INTRODUCTION FEATURES FOR AN ORTHOPEDIC IMPLANT - An orthopedic implant including a U-shaped head having a base and first and second legs extending therefrom and spaced apart from one another to define a U-shaped channel. The first and second legs each include a distal end and together define a distal opening in communication with the U-shaped channel. The first and second legs also together define an internal helical thread extending from the distal end toward the base and configured for threading engagement with a lock member. The first leg defines a starter thread turn proximately adjacent the distal end and having a thread profile substantially similar to a thread profile of primary thread turns proximal the starter thread turn. The second leg defines a non-threaded feature proximately adjacent the distal end that removes and is devoid of the starter thread turn. In one embodiment, the non-threaded feature comprises a substantially smooth and non-threaded surface extending proximally from the distal end of the second leg toward the base. In specific embodiments, the non-threaded feature comprises a countersink or a counterbore. | 08-02-2012 |
20130018419 | SPINAL ROD SYSTEM AND METHODAANM Rezach; William AlanAACI AtokaAAST TNAACO USAAGP Rezach; William Alan Atoka TN USAANM May; JasonAACI CordovaAAST TNAACO USAAGP May; Jason Cordova TN US - A spinal rod system includes a first instrument extending between a proximal portion and a distal portion along a longitudinal axis thereof. The proximal portion defines an inner cavity extending along the longitudinal axis. The first instrument includes a first arm extending along the longitudinal axis. The first arm defines a portion of a vertebral construct cavity disposed in communication with the inner cavity and includes a distal end being configured to engage a bone fastener. Methods of use are disclosed. | 01-17-2013 |
20130110176 | IMPLANT ASSEMBLY WITH A RIGID INTERFACE | 05-02-2013 |
20130197593 | BONE FASTENER AND METHODS OF USE - A bone fastener comprises a proximal portion including an inner surface that defines a cavity. A carrier is disposed in fixed engagement with the inner surface and includes at least one arm defining a proximal face. A pivoting member is disposed with the carrier. The pivoting member defines an implant cavity with the proximal portion. A distal portion defines a longitudinal axis and is configured to penetrate tissue. The bone fastener further includes a first coupling member. The proximal portion is rotatable relative to the distal portion in a first plane of a body and the pivoting member is rotatable relative to the proximal portion in a second plane. The first coupling member is engageable with the proximal face such that the carrier engages the distal portion to fix the bone fastener in an orientation. Methods of use are disclosed. | 08-01-2013 |
20130204302 | SPINAL IMPLANT SYSTEM AND METHOD - A provisional spinal rod comprises a body. A first arm extends between a first end and a second end connected to the body. The first arm is configured for attachment to a first vertebra. A second arm extends between a first end and a second end connected to the body. The second arm is configured for attachment to a second vertebra disposed in an orientation relative to the first vertebra. The second arm is rotatable about the body and relative to the first arm. A locking mechanism is coupled to the body. An insert is disposed between the locking mechanism and the second arm. The arms are relatively rotatable and selectively lockable with the locking mechanism and the insert in the orientation in a template configuration for an implant rod. Methods of use are disclosed. | 08-08-2013 |
20130211453 | SPINAL CORRECTION SYSTEM AND METHOD - A spinal correction system comprises an elongate member extending between a first end including a first inner surface defining a first cavity and a second end including a collar having a second inner surface defining a second cavity. The second cavity is movable relative to the elongate member in at least one orientation. The second end defining an elongated cavity. A first extender defines a first outer surface and a second extender defines a second outer surface. The elongate member is disposable between a first configuration and a second configuration such that the second cavity is movable in the at least one orientation to a position such that the first inner surface is forcibly disposable in a fixed engagement with the first outer surface and the interior surface is forcibly disposed in a fixed engagement with at least a portion of the collar. Methods of use are disclosed. | 08-15-2013 |
20130211458 | BONE FASTENER AND METHODS OF USE - A bone fastener comprises a proximal portion including an extension that includes an inner surface defining at least one projection. A pivoting member is moveable relative to the proximal portion. The pivoting member includes a first surface that defines an implant cavity with the inner surface of the proximal portion. A component is configured for disposal of the extension and includes at least one planar surface. A distal portion has a first end and a second end configured to penetrate tissue. The first end includes at least one planar surface configured to engage the at least one planar surface of the component. The proximal portion is rotatable relative to the distal portion in a first plane of a body and the pivoting member is rotatable relative to the proximal portion in a second plane of the body. Methods of use are disclosed. | 08-15-2013 |
20130268005 | SPINAL CORRECTION SYSTEM AND METHOD - An implant connector comprises a first surface defining a first cavity configured for disposal of a first implant. A second surface defines a second cavity configured for disposal of a coupling member. A third surface defines a third transverse cavity configured for disposal of a second implant. The third surface includes a projection configured to engage the second implant in a provisional locking orientation. Methods of use are disclosed. | 10-10-2013 |
20130268007 | SPINAL IMPLANT MEASURING SYSTEM AND METHOD - A method for measuring a spinal implant comprises the steps of: providing a device including a gauge configured to measure an angle in a measuring plane and extending to an engagement surface; disposing the engagement surface with a first selected position of an implant or an anatomy, the first selected position being disposed at a first orientation; calibrating the gauge to a zero angle measurement at the first orientation; disposing the engagement surface with a second selected position of the implant or the anatomy, the second selected position being disposed at a second orientation; and measuring an angle of the second orientation relative to the first orientation such that the gauge determines the angle relative to the zero angle measurement. Various devices are disclosed. | 10-10-2013 |
20130268011 | SPINAL CORRECTION SYSTEM AND METHOD - A surgical instrument comprises a first member having a first surface defining a first cavity for disposal of a first implant. A distal end is configured to mate with a recess of a connector and defines a second cavity. A second member is configured for movable disposal in the second cavity. A third member is connected to the proximal end of the second member and the first implant. The second member is axially movable in a first direction to tension the first implant and in a second direction to release tension from the first implant. Methods of use are disclosed. | 10-10-2013 |
20130296954 | SURGICAL TOOL FOR BENDING A ROD - A rod bender includes an elongated first member extending between a first end and a second end along a longitudinal axis. An elongated second member extends between a first end and a second end in a transverse orientation to the longitudinal axis. The first end of the second member is connected to the second end of the first member. The second end of the second member includes a wall that defines an inner cavity configured to receive a first implant, the wall having at least one lateral opening configured to receive a second implant. | 11-07-2013 |
20140114354 | SPINAL CORRECTION SYSTEM - A spinal correction system comprises a first member defining a longitudinal axis and including an inner surface that defines a first cavity and a second cavity. A second member defines a longitudinal axis and includes an inner surface that defines a first cavity and a second cavity. The members are connected along a first axis disposed in substantially parallel relation to the longitudinal axes. At least one first implant support is configured for disposal within the first cavities. At least one second implant support is configured for disposal within the second cavities. The members are rotatable about the first axis to space apart the members such that the inner surfaces forcibly engage the supports in releasable fixation. Methods of use are disclosed. | 04-24-2014 |
20140236247 | SURGICAL IMPLANT SYSTEM AND METHOD - A surgical implant driver includes a member defining an engagement portion including a wall having a circumference and a plurality of lobes disposed thereabout. The lobes are curved toward an interior of the circumference and are connected by a plurality of arcuate portions that are curved toward the interior of the circumference. | 08-21-2014 |
20140257399 | ILIAC CONNECTORS - A connector assembly comprising a connector, spinal rod receiver, a washer and a compression member is provided. The connector extends between a first end and a second end configured for coupling to a bone fastener. The first end of the connector contains an upper surface and a lower splined surface configured for mating with a lower splined surface of a washer disposed between the first end of the connector and the rod receiver. The rod receiver containing a receiver body coupled to a threaded shaft. The rod receiver is configured for receiving a spinal rod and is attachable to the first end of the connector for selectively adjusting the direction of at least a portion of a spinal rod. The compression member connects the receiver with the first end of the connector for securing the spinal rod into the receiver body. Methods of use are also disclosed. | 09-11-2014 |
20140257411 | BONE FASTENER AND METHODS OF USE - A bone fastener includes a first member fixable with a proximal portion and includes a wall defining a groove. The wall includes an inner surface defining a first mating surface and a lateral surface defining a cavity. A second member is configured for fixation with the first member and includes a second mating surface engageable with the first mating surface. A third member defines an opening and is disposable with the groove such that the opening is aligned with the cavity. A distal portion includes a first end disposed within the members and a second end configured to penetrate tissue. The distal portion is movable relative to the proximal portion between a first orientation and a second orientation. Systems and methods are disclosed. | 09-11-2014 |
20140277193 | BONE FASTENER AND METHODS OF USE - A bone fastener comprises a first end and a second end defining a longitudinal axis and being configured to penetrate tissue. The second end has a first portion having a thread diameter and a core diameter. The second portion has a core diameter less than the core diameter of the first portion. The second portion includes a threaded surface and a substantially even surface. Systems and methods are disclosed. | 09-18-2014 |
20140316420 | SURGICAL ROD MEASURING SYSTEM AND METHOD - A system and method for measuring a surgical rod are disclosed. The system includes a processor, a probe in communication with the processor and configured to trace along a surface of the implant, a tracking system in communication with the processor and the probe for generating first data representing at least one of linear and rotational movement of the probe during a first trace along the surface of the implant, wherein the processor is configured to receive the first data and generate a first graphical representation of the implant based on the first data, and a display in communication with said processor for displaying the graphical representation of the implant based on the first data. Various methods are also disclosed. | 10-23-2014 |
20140343612 | SPINAL CORRECTION SYSTEM - A spinal construct comprises a longitudinal member extending between a first end and a second end and including an intermediate portion. A construct member includes a first surface and a second surface movable relative to the first surface in a configuration for connection with a first portion of vertebral tissue. The construct member defines an implant cavity configured for disposal of the first end. Systems and methods are disclosed. | 11-20-2014 |
20150057708 | POSTED TRANSLATION SYSTEM AND METHOD - Connector assemblies are provided to couple an elongate member extending along the spinal column to a bone engaging implant engaged to the spinal column. The connector assembly includes a coupler having an implant coupling portion and an elongate member coupling portion. The positioning and orientation of the coupler relative to the implant and elongate member can be adjusted to facilitate engagement of the connector assembly between the implant and elongate member. | 02-26-2015 |