Abstract: Systems, methods, and kits incorporate a fusion member for vertebral processes. The fusion member may be unitary or modular. The fusion member comprises extensions configured to be crimped to vertebral processes. The extensions may comprise tabs configured to be deformed to further penetrate the vertebral processes. The tabs may also lock together modular components of the fusion member. The fusion member may comprise fasteners extending between the extensions. The fusion member may comprise a cage with a movable cover or a graft retention feature.

Abstract: A bone plate assembly including at least one bone plate, polyaxially adjustable fixation elements and a polyaxially adjustable locking mechanism. A first plate includes at least one polyaxial element for lockable connection with a fixation pad, and a connection feature which allows the plate to translate and polyaxially rotate relative to the locking mechanism. A second plate includes at least one polyaxial element for connection with a fixation pad and a connection feature for non-rotatable connection with the locking mechanism. The locking mechanism allows translation and polyaxial adjustment of the first plate relative to the second plate and locks the first and second plates via a taper lock. The fixation pad includes a deflectable spacer configured to prevent premature locking of the pad. Methods for implantation of the bone plate assembly between two bone structures are disclosed. Instrumentation for implantation, compression and locking of the bone plate assembly is disclosed.

Abstract: An apparatus for cutting a radial cut in a surgical plate includes a top jaw element, a bottom jaw element, a removable top insert operable to be coupled to the top jaw element, and a removable bottom insert operable to be coupled to the bottom jaw element, a first top radial cutting element and a second top radial cutting element coupled to the removable top insert, and a first bottom radial cutting element and a second bottom radial cutting element coupled to the removable bottom insert. The radial cutting elements provide a radial cut of the surgical plate. The apparatus also includes a first alignment post and a second alignment post coupled to the removable bottom insert. The alignment posts are operable to align the surgical plate on the removable bottom insert.

Abstract: A system for securing bones together across a joint includes a transfixation screw and a plate. The plate includes an elongate spine having a transfixation screw hole disposed along the spine. The transfixation screw hole includes an inner surface configured to direct the transfixation screw through the transfixation screw hole such that the transfixation screw extends alongside the bridge portion at a trajectory configured to pass through a first position on the first bone and a second position on the second bone once the plate is placed across the joint. The transfixation screw includes a head configured to abut the inner surface of the transfixation screw hole and a shaft configured to contiguously extend through the first bone, across the joint, and into the second bone.

Abstract: A plate for securing bones together includes an elongate spine having at least one groove spanning along a length of the spine parallel to a central axis of the spine, and a plurality of arms extending laterally from the spine, the plurality of arms comprising at least one arm on a first side of the spine and at least one arm on a second side of the spine.

Abstract: A system for establishing a trajectory for a pilot hole includes a plate comprising a screw hole defined by a rim and an inner surface surrounding the screw hole, and a drill guide comprising a body having a guide well formed therein, the guide well defined by a wide opening in the body disposed opposite a narrow opening in the body and an interior surface that tapers from the wide opening to the narrow opening, the narrow opening surrounded by a tip of the body, the tip configured to fit into the screw hole.

Abstract: A system for lockably engaging bone screws into a fixation plate may include a locking fixation plate including a threaded screw hole defined by an inner surface surrounding the threaded screw hole, the inner surface comprising an upper countersink and a threaded portion, the threaded portion comprising a pair of threads arranged in a double helix configuration, and a screw comprising a generally conical head tapering into a generally cylindrical shaft that ends at a tip and a single thread beginning near the tip and extending along the generally cylindrical shaft and onto the generally conical head, a thread height of the single thread being constant over a majority of the generally cylindrical shaft and tapering as the thread extends onto the head.

Abstract: A bone anchor includes a screw portion configured to penetrate a bone. The screw portion includes a retention thread extending at least part of a length of the screw portion and a tip at a first end of the screw portion. The bone anchor includes a protrusion adjacent a second end of the screw portion. The second end is opposite the first end of the screw portion. The protrusion comprises a plurality of external sides forming a shape and a rounded interior surface enclosing a protrusion recess. The rounded interior surface includes a recess thread configured to retain a component at least partially in the protrusion recess. The protrusion has a maximum width that is less than a maximum diameter of the screw portion such that a shoulder is formed where the protrusion meets the second end of the screw portion.

Abstract: A system for fracture reduction includes a reduction plate for reducing a fracture between a first bone segment and a second bone segment. The reduction plate includes, on a first side of the reduction plate, a travel slot and a screw hole. The travel slot is configured to slidably engage a first positioning element that extends into the first bone segment through the travel slot and the first screw hole is configured to affix the first side of the reduction plate to the first bone segment. The reduction plate includes, on a second side of the reduction plate, an adjustment hole and a second screw hole. The adjustment hole is configured to engage a second positioning element that extends into the second bone segment through the adjustment hole and the second screw hole is configured to affix the second side of the reduction plate to the second bone segment.

Abstract: A system for contouring a locking plate includes a locking plate and at least one bender. The locking plate includes a plurality of threaded screw holes connected to one another by one or more ribs. The at least one bender includes a threaded tip configured to threadably engage one or more of the plurality of threaded screw holes and a shoulder operable to transmit mechanical force to the locking plate once the threaded tip is threadably engaged with one of the plurality of threaded screw holes.

Abstract: A system for midface distraction including a left side distraction mechanism and a right side distraction mechanism, each including: an implantable anchor configured to be coupled to a bone of the malar region, an implantable anchor configured to be coupled to a bone of the cranium, and a distraction rod coupling the anchors. The system also includes a maxillary bridge configured to couple the left side distraction mechanism with the right side distraction mechanism and wherein couplings between the maxillary bridge and the right and left distraction mechanisms are configured to be internal to a patient.

Abstract: Systems, methods, and kits incorporating a clamp for securing to bone tissue. The clamp includes gripping members to secure the clamp to the bone tissue without the use of screws. The clamp may be used to treat spinal conditions, and may be secured to the spinous process of vertebrae. Systems, methods and kits can incorporate a fusion member configured to fuse between adjacent spinous processes.

Abstract: A cranial flap fixation system and method are provided. In one embodiment, the system includes a rod having first and second ends, and an intermediate portion. The rod has a threaded portion between the first end and the intermediate portion. The system also includes an inferior disk coupled with the rod, proximate the first end of the rod, and a superior disk with an orifice through a central region of the superior disk. The orifice is sized to allow the superior disk to engage the threaded portion and movably couple the superior disk to the rod. The system further includes an installation tool having a central cavity. The installation tool is configured to engage the superior disk and the threaded portion, such that rotation of the installation tool in a first direction directs the superior disk toward the inferior disk.

Abstract: The present disclosure provides for a system for mandibular distraction which includes a rod and a first pin clamp assembly coupled adjacent a first end of the rod. Furthermore, the first pin clamp assembly includes a first clamp. The system further includes a second pin clamp assembly which includes an advancement mechanism that moveably couples the second pin clamp assembly to the rod and a second clamp. Furthermore, a swivel joint is disposed between the advancement mechanism and the second clamp whereby the second clamp is enabled to rotate relative to the advancement mechanism.

Abstract: A cranial flap fixation system and method are provided. In one embodiment, the system includes a rod having first and second ends, and an intermediate portion. The rod has a threaded portion between the first end and the intermediate portion. The system also includes an inferior disk coupled with the rod, proximate the first end of the rod, and a superior disk with an orifice through a central region of the superior disk. The orifice is sized to allow the superior disk to engage the threaded portion and movably couple the superior disk to the rod. The system further includes an installation tool having a central cavity. The installation tool is configured to engage the superior disk and the threaded portion, such that rotation of the installation tool in a first direction directs the superior disk toward the inferior disk.

Abstract: In accordance with one embodiment of the present invention, a driver may include an electric motor coupled to a bit interface. The bit interface may include a generally cylindrical body having first and second hollow portions. The first hollow portion may be on one end of the generally cylindrical body and may define a generally cylindrical hole. The second hollow portion may abut the first hollow portion and define an oblong channel. The oblong channel may be further defined by first and second parallel flat walls. The cylindrical body may also include a first transverse groove.

Abstract: A cranial flap fixation system and method are provided. The system includes an inferior disk coupled with a first end of a partially threaded connecting rod, and a superior disk having a central orifice operable to be threadably coupled with the connecting rod. The inferior and superior disks are configured such that upon installation, the inferior and superior disks cooperate with the connecting rod to apply pressure to a cranial flap and an adjacent cranial bone.

Abstract: The present disclosure provides for a midface distraction system which includes a cannulated distraction rod having a socket disposed adjacent a first end, and a threaded portion disposed between the socket and a second end of the rod. The midface distraction system may further include a cannulated malar pin having a flange at a first end and a second end configured to form a moveable coupling between the cannulated malar pin and the socket.

Abstract: In accordance with one embodiment of the present invention, a driver may include an electric motor coupled to a bit interface. The bit interface may include a generally cylindrical body having first and second hollow portions. The first hollow portion may be on one end of the generally cylindrical body and may define a generally cylindrical hole. The second hollow portion may abut the first hollow portion and define an oblong channel. The oblong channel may be further defined by first and second parallel flat walls. The cylindrical body may also include a first transverse groove.