Abstract: An attachment guide for an interbody cage and a spinal plate includes a guide body and a coupling element. The guide body includes a proximal end, a pair of flanges, and a distal end. The proximal end includes an inserter attachment element configured to removably receive an inserter instrument. The pair of flanges extends from the guide body and is configured to engage the spinal plate. The distal end includes a surface configured to contact an anterior surface of the interbody cage and a cage engagement element configured to extend distally from the surface and into a wall of the interbody cage. The coupling element extends through an aperture of the guide body from the proximal end to the distal end and is configured to draw the pair of flanges into greater contact with the spinal plate and the cage engagement element into greater contact with the interbody cage.

Abstract: A system for spinal fusion includes a spacer, a plate, an attachment member, and a first temporary fixation screw. The spacer includes a first coupling aperture having a first thread with a thread pitch that is greater than or equal to one third of a depth of the first coupling aperture. The plate includes a first attachment aperture and second coupling aperture. The attachment member includes a mating thread that mates with the first thread. The attachment member is configured to couple the spacer and the plate when inserted through the second coupling aperture and rotated to engage the first thread of the first coupling aperture. The first temporary fixation screw is configured to attach the plate to a first vertebra when inserted through the first attachment aperture and driven into the first vertebra.

Abstract: A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing using a mating feature in the surgical screw implant.

Abstract: An instrument for attachment to and insertion of an implant device is provided. The instrument has a handle and a pair of retaining posts extending longitudinally from a distal end of the handle. Each of the pair of retaining posts have an end dimensioned to engaged a respective threaded bore of the implant device. Also, a post drive mounted to the handle and mechanically connected to each of the retaining posts so as to engage the retaining posts simultaneously is provided.

Abstract: A system for reducing deformities in the spine includes a first tower assembly and a second tower assembly. The first tower assembly includes a first tower that couples to a first screw in a first vertebral level, a load transfer ring rotatable coupled to the first tower, and a load transfer link rotatably coupled to the load transfer ring. The second tower assembly includes a second tower that couples to a second screw in a second vertebral level, a load applicator secured to the second tower, and a load transfer member rotatably coupled to the second tower and linked to the load transfer link. The load applicator applies force to the load transfer member to position the first tower assembly relative to the second tower assembly.

Abstract: A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing using a mating feature in the surgical screw implant.

Abstract: A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing using a mating feature in the surgical screw implant.

Abstract: The present invention provides systems and methods for bone fixation and in particular, systems and methods for fusion of human cervical spine from the anterior aspect. To that end, some of the embodiments of the invention are directed to plate systems for aligning and maintaining adjacent cervical vertebrae in a selected spatial relationship during spinal fusion of such vertebrae.

Abstract: An instrument for reducing a fixation rod within a screw extender that attaches to a spinal implant includes first, second, and third cannulated bodies and an inserter shaft. The first cannulated body includes a proximal end that couples with the screw extender. The second cannulated body rotates within the first cannulated body and includes a proximal end with a first driving feature and a distal end with an internal threaded portion. The third cannulated body includes a proximal end that engages the internal threaded portion and a distal end with a rod pusher for engaging the fixation rod. The inserter shaft rotates within the third cannulated body and includes a proximal end with a second driving feature and a distal end with a setscrew attachment feature.

Abstract: An instrument for correction of spinal deformities includes an inner member with a proximal portion configured to receive a corrective force and a distal coupling portion configured to transfer the corrective force to a spinal implant in a vertebra. A slot extends transversely through the coupling portion and is configured to guide a fixation rod into the spinal implant. A threaded sleeve includes an external thread and a thru-bore that slides relative to the proximal portion. An outer member couples with the proximal portion and threadably engages the external thread to apply a reduction force as the outer member rotates relative to the inner member. A reduction blade includes a proximal interlocking portion that removably couples with the threaded sleeve and a distal rod engagement feature configured to engage the fixation rod and transfer the reduction force to reduce the fixation rod into the spinal implant.

Abstract: A polyaxial screw head remobilizer for remobilizing a screw body member relative to a head of a polyaxial bone screw includes a barrel body, a handle assembly, an inner shaft, a slide assembly, and a lever. The barrel body includes proximal and distal ends. The distal end includes a plurality of prongs for releasably engaging a plurality of yokes of the polyaxial screw body member to center the inner shaft over the head of the screw. The handle assembly couples to the proximal end of the barrel body. The inner shaft, disposed within the barrel body, includes proximal and distal ends. An engagement feature of the inner shaft mates with pockets of a bushing of the screw body member. The slide assembly is operably coupled to the barrel body and effect translations of the inner shaft. The lever extends from the slide assembly and rotates to actuate the slide assembly.

Abstract: A spinal instrument with a set screw loading and retention mechanism includes a first tube, a screw slot, and a retention mechanism. The first tube includes an inner lumen disposed concentric and proximate to a head portion of a bone screw. The screw slot is disposed along a portion of the first tube at a distance from the head portion of the bone screw and is configured for loading of a set screw for locking a spinal rod within the head portion of the bone screw. The retention mechanism is disposed along at least a portion of the inner tube configured to selectively retain the set screw. In other features, the first tube includes either an internal rod reduction tube or a screw extender tube.

Abstract: 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.

Abstract: A spinal stabilization system, method, and a surgical kit having a surgical extender apparatus for implanting a surgical screw are disclosed. The extender includes a housing having a distal end and a proximal end, a hollow interior passageway disposed between the distal end and the proximal end, a channel disposed along an exterior surface of the housing at least partially between the distal end and the proximal end and configured to at least partially expose the hollow interior passageway, an interior locking mechanism disposed on an interior surface of the housing and substantially adjacent the proximal end, wherein the interior locking mechanism is configured to allow attachment of at least one surgical tool, and at least one flexible member disposed substantially adjacent the distal end. The housing is configured to accommodate placement of a surgical screw implant. The surgical screw implant is secured to the housing using a mating feature in the surgical screw implant.

Abstract: A polyaxial screw body includes a side wall defining a lumen having a first end and a second end. An opening disposed at the first end of the lumen, includes an interior surface disposed in the side wall thereabout. The interior surface is adapted to accommodate a head portion of a pedicle screw. A transverse channel extends from a first aperture through the side wall to a second aperture and is adapted to accommodate a portion of a fixation rod therebetween. A lateral connector extending integrally from the side wall.

Abstract: A bone fixation plate includes a first opening formed in a plate that is configured to receive a first fastener; a second opening formed in the plate that is configured to receives a second fastener, and a retention member that extends into a third opening formed in the plate between the first opening and the second opening, wherein the retention member is elastically deformable between at least three positions.

Abstract: 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. . . . .

Abstract: An instrument for removing material from within the body includes a distal portion that includes an adjustable length relative to a proximal portion and a flexible member that circulates through the distal portion. The exposed portion of the flexible member extends from the distal portion to remove the material.

Abstract: An interspinous process spacer includes a main body, a first wing, and a screw. The main body includes a first securing member extending from a top portion of the main body that engages a first vertebra and a bottom portion of the main body that engages a second vertebra. The first wing pivotably couples to a distal portion of the main body and includes a second securing member extending parallel to the first securing member to form a first clamp. The screw is positionable within the main body and includes a distal end that positions the first wing between a first position and a second position. The first clamp includes a first diameter in the first position and a second diameter in the second position.

Abstract: An exemplary apparatus for connecting surgical rods according the principles of the present disclosure includes an elongate first arm, an elongate second arm, and a clamping assembly. The elongate first arm includes a first end that couples with a first rod and a second end with a first engagement portion. The elongate second arm includes a first end that couples with a second rod and a second end terminating in a second engagement portion. The clamping assembly includes a passageway that slidably receives the first engagement portion and that retains the second engagement portion and an adjustment member offset from the passageway that adjusts a clamping force to restrict positioning of the second engagement portion relative to the first engagement portion.