Patent application number | Description | Published |
20100204737 | 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 |
20100204739 | 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 |
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 |
20110110716 | QUARTER TURN LOCKING MECHANISM - Apparatus and methods are disclosed for securely, yet releasably, connecting separate parts. A shaft engages a cooperating socket to form a connection capable of sustaining service loads. The shaft has a protruding pin which slides within a slot in the socket to guide the shaft into locked engagement with the socket. The shaft also has a cantilever body which wedges into a tapered region in the socket to frictionally bind the shaft and socket together. | 05-12-2011 |
20120059416 | INTRA-OPERATIVE ACL GRAFT INSTRUMENTATION - A line lock system may include a line routed through a plate. The plate may have an elongated body with a plurality of passageways. The line is routed to form at least one one-way slide so no knots are required. The system may include filaments routed through the passageways of the plate or around a dogbone feature of the plate. The filaments may be used to toggle the plate after passage through a hole to prevent withdrawal of the plate back through the hole. The system may include a line lock stabilizer or counter-tension tool to stabilize the line lock as the line is adjusted, a compression limiter to selectively reduce compression in the one-way slide to facilitate adjustment of the line, means for adjusting the line, or a line cutter. | 03-08-2012 |
20120065731 | SYSTEMS AND METHODS FOR INTRA-OPERATIVE TENSION AND FIXATION OF ZIPKNOT ACL FIXATION - A line lock system may include a line routed through a plate. The plate may have an elongated body with a plurality of passageways. The line is routed to form at least one one-way slide so no knots are required. The system may include filaments routed through the passageways of the plate or around a dogbone feature of the plate. The filaments may be used to toggle the plate after passage through a hole to prevent withdrawal of the plate back through the hole. The system may include a line lock stabilizer or counter-tension tool to stabilize the line lock as the line is adjusted. The system may include a compression limiter to selectively reduce compression in the one-way slide to facilitate adjustment of the line. The line lock stabilizer, counter-tension tool, or compression limiter may be a filament. | 03-15-2012 |
20120191204 | ARTHROPLASTY SYSTEMS AND METHODS - Systems for joint arthroplasty include prostheses which are secured to bone with sliding anchors. Examples include unicondylar and bicondylar knee prostheses for hemi-arthroplasty and total arthroplasty. Instruments guide the anchors into proper engagement with the prosthetic components. Methods of using the prostheses and instruments are disclosed. | 07-26-2012 |
20120209278 | PATELLAR PROSTHESES AND INSTRUMENTATION - Instrumentation for preparation of a bone includes a first guide having a first collet and a second collet. The first and second collets are formed around divergent first and second axes, and share a common opening. A bone preparation instrument may be inserted into each of the collets toward a bone. A second guide may be carried in the first guide, and a bone preparation instrument inserted through the second guide toward the bone, along a third axis. | 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 |
20120209393 | PATELLAR PROSTHESES AND INSTRUMENTATION - A prosthetic patellar implant has a posterior articulation surface and an anterior attachment surface. The anterior attachment surface has a medial attachment surface and a lateral attachment surface. The medial and lateral attachment surfaces can be planar and angled relative to one another, meeting at a common intersection medially offset from the sagittal centerline of the implant. The medial and lateral attachment surfaces can include convexities. The anterior attachment surface can have one or more pegs and/or recesses. | 08-16-2012 |
20120253406 | INTERVERTEBRAL IMPLANT WITH INTEGRATED FIXATION - A surgical instrument and method are provided for removal of a spinal implant from the intervertebral disc space. The instrument includes a carriage body for interfacing with the implant, a housing for interfacing with the vertebrae, and a handle portion having a first portion rotatably coupled with a proximal end of the housing and a second portion rotatably engageable with a proximal attachment portion of the carriage body. A central passage of the housing extends between the proximal end and a distal engagement surface of the housing. The central passage is dimensioned to mate with the carriage body. Rotation of the handle portion about an axis causes translational movement of the carriage body along the axis. A modular inserter/distracter apparatus and method and an anchor remover and method are also provided. | 10-04-2012 |
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 |
20130110183 | JOINT AND BONE FIXATION | 05-02-2013 |
20130123848 | FACET FIXATION SYSTEMS - Facet fixation implants include a cap member with a circular base portion and an eccentric raised portion. The raised portion includes first and second lobes and is smoothly contoured to provide an unobtrusive profile when implanted. Beveled teeth project from the implant to provide fixation and compression across the facet joint. The cap member includes an offset aperture which receives a fastener. Tools, guiding instruments and methods for implantation of the implants are disclosed. | 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 |
20130144343 | Sacroiliac Fusion Cage - Devices for sacroiliac joint fusion may be implanted from an anterior, posterior, or lateral approach. Multiple devices may be used in a single fusion procedure. Some examples include blade anchors which extend from a central beam, pin, cage, or body. | 06-06-2013 |
20130158674 | PROSTHETIC FEMORAL STEM FOR USE IN HIGH OFFSET HIP REPLACEMENT - A total hip femoral prosthesis provides a shortened neck and high porous coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed. | 06-20-2013 |
20130165938 | PROSTHETIC FEMORAL STEM FOR USE IN HIGH IMPACT HIP REPLACEMENT - A total hip femoral prosthesis provides a shortened neck and more proximal coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes instrumentation for cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed. | 06-27-2013 |
20130165939 | Patient Specific Implants and Instrumentation For Patellar Prostheses - Patient specific implants and instrumentation for replacing a portion of a patella. Methods for producing patient specific implants and instrumentation include conducting imaging studies of the patient's native patella, deriving measurements of the patella and surrounding soft tissues from the imaging studies, manufacturing customized implants and instrumentation specific to the derived measurements, and implanting a customized implant using the customized instrumentation. Patient specific instrumentation includes: a patellar clamp ring, an anterior clamp, a restraining arm, a posterior clamping surface, a dual bore reaming collet, a reamer, a reaming depth gauge, and a resection cutting guide. Patient specific portions of a patellar implant include: topography of the posterior articular surface, facet angle, shape and dimensions of the anterior attachment surface, implant length, implant width, implant thickness and the outer perimeter shape of the implant. | 06-27-2013 |
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 |
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 |
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 |