Abstract: The present disclosure generally pertains to methods and systems for fusing a joint. The disclosure includes mechanically immobilizing the joint by insertion of a bone screw, the bone screw including a screw shaft operatively coupled to a screw head, the screw shaft including a longitudinal axis, a channel extending along the longitudinal axis, a first shaft wall section, a second shaft wall section and a third shaft wall section. Fusing of the joint includes inserting the screw into a first bone, a second bone and a joint formed between the first bone and the second bone. Insertion further includes cutting bone pieces away from the first bone using the third shaft wall section of the bone screw and directing the first bone pieces into a helical depression formed in the third shaft wall section.

Abstract: A fiber-based surgical implant stabilized against fraying, includes a thermally crimped flat-knitted fabric of a biocompatible, optionally biodegradable, polymer material having a glass transition temperature or other thermally induced secondary conformational mobility threshold in the temperature range of from 20° C. to +170° C. Also disclosed is a corresponding fabric and methods of producing the implant and the fabric.

Abstract: A variable length headless compression screw insertion system includes a compression screw and a driver assembly for driving the compression screw into a bone. The compression screw has a bone screw and a compression sleeve coupled to the bone screw. The bone screw includes a proximal end having an external threading threadably received in the compression sleeve, and the compression sleeve includes a proximal end having a predefined drive feature and an external threading. The driver assembly includes a sleeve coupler adapted to threadably receive the external threading of the compression sleeve. A ram driver is coupled to the sleeve coupler and has a predetermined length such that its distal end is shaped to contact the proximal end of the bone screw to prevent translation of the bone screw relative to the compression sleeve.

Abstract: Devices and methods for performing a surgical step or surgical procedure with visual guidance using an optical head mounted display are disclosed.

Abstract: A bone screw cutting system can include a cutting assembly having a plurality of blades. The system can further include a position adjustment assembly coupled to the cutting assembly and configured to receive a bone screw blank and position the bone screw blank relative to the cutting assembly. The cutting assembly is configured to cut a bone screw blank received by the position adjustment assembly and to form a self-tapping end portion at a cut end of a resulting cut bone screw.

Abstract: A pivotal bone screw assembly includes a receiver having a central bore with a bottom opening and a channel for receiving an elongate rod, with the central bore including a partial spherical internal surface adjacent the bottom opening and a horizontally-extending recess with a cylindrical sidewall surface. The assembly also includes a shank with a capture structure for positioning within the central bore and an anchor portion for attachment to the bone, with the capture structure having a partial spherical lower surface configured to slidably engage the internal surface of the central bore to provide for pivotal motion of the shank with respect to the receiver, together with an insert with a rod seating surface and an outwardly-projecting radiused structure, with the insert being downwardly displaceable within the central bore until the radiused structure snaps into the recess to prevent upward movement of the insert with respect to the receiver.

Abstract: The present disclosure provides for a bone screw that may include a first portion extending from a first end to a second end in a longitudinal direction, for example. The first portion may have a head that defines the first end and a shank that defines the second end. Additionally, the first portion may include a metallic material and/or be formed of a metallic material, for example Titanium. The second portion may be mechanically coupled to the first portion and surround the shank, for example the second portion is screwed to the first portion or the second portion may be directly formed to the first portion by an overmold process. The second portion may have an exposed thread pattern and an exposed leading tip. Additionally, the second portion may include a thermoplastic material and/or be formed of a thermoplastic material such as PEEK.

Abstract: Systems for variable angle insertion of surgical fasteners relative to an orthopedic plate with locking of the surgical fastener relative to the plate upon insertion. The systems may include a pivot member secured relative to either the orthopedic plate or the fastener. In either regard, the pivot member may provide locking engagement with the plate to lockingly engage the fastener relative to the plate.

Abstract: A method of preparing a bone to receive an implant component includes planning one or more surgical cuts configured to provide the bone with a curved intersection between two surfaces, applying a mechanical restraint to an arm holding a cutting tool based on the one or more surgical cuts, and performing, subject to the mechanical restraint and by articulating the arm, the one or more surgical cuts using the cutting tool.

Abstract: There is an implant, comprising a plate portion at a first end, and a stem portion at a second end extending away from an end of the plate portion. In one embodiment, the plate portion comprises a first lobe with a first screw hole; and a second lobe with a second screw hole, wherein the first lobe is adjacent to the second lobe. There is also method of inserting an implant, comprising preparing a patient's bones, performing an osteotomy on the patient's bones to form a first bone segment and a second bone segment, aligning the first bone segment and the second bone segment and inserting an implant into an intramedullary canal in the second bone segment.

Abstract: The present invention relates to a mixed material bone screw. The bone screw comprises a distal end made of a biocompatible material and a proximal end made from a stronger material to resist stripping of the bone screw during its insertion or removal from a bone. In another embodiment, the mixed material bone screw is cannulated, wherein the bone screw has a bore forming a central channel connected to a plurality of sideward channels for delivering bone cement or other substances into the bone surrounding the bone screw.

Abstract: A resection guide locator includes a bone engagement portion with surfaces that are complementary to the surface topographies of a bone to be resected during surgery. A housing includes a socket defined by a resilient annular wall that is sized and arranged so to accept a resection guide by press-fit to thereby position and hold the resection guide within the socket. The resection guide is maintained in a predetermined, preferred position while the surfaces are releasably locked in position on the bone. A method is disclosed for forming and using the resection guide locator.

Abstract: A bone fixation system, device and method are provided herein. A system may include a bone plate. The bone plate is adapted to be affixed to a bone surface, and comprises a bioactive porous portion. The porous portion is adapted to, include bone healing-promoting substances, such as hollow microparticles containing the bone healing-promoting substances embedded in the porous portion. The bone plate father includes at least one attachment portion. In some embodiments, the attachment portion includes a face, which defines indentations, such as dimples, to retain an amount of adhesive.

Abstract: An implant assembly and its method of use, used in computer-aided orthognathic surgery for properly repositioning a mobile bone segment separated by osteotomy from a malformed mandible, maxilla or chin, the implant assembly comprising fixation bone plates, at least one removable alignment plate for proper pre-osteotomy placement of the implant assembly onto the mandible, maxilla or chin, at least one removable post-osteotomy alignment plate for proper positioning of the mobile bone segment relative to the mandible, maxilla or chin, and a removable cutting guide for guiding the osteotomy saw during separation of the mobile bone segment from the mandible, maxilla or chin.

Abstract: A system and method for improving installation of a prosthesis which may include assembly of a modular prosthesis. Devices include prosthesis installation tools, prosthesis assembly tools, site preparation systems, and improved power tools used in implant site preparation, the tools including a secondary motion that preferably includes an ultrasonic vibration.

Abstract: A bone plate system comprises a bone screw and a bone plate having at least two screw-receiving hole structures, at least one of the hole structures comprising an eccentric portion adjacent a first seating area for biasing bone in an inferior fusion area into dynamic compression as the screw is advanced, and a cowl portion that at least partially defines a second seating area and being positioned to enable cross-screw compression of an inferior fusion area. The screw is seatable in either the first or second seating area at the option of a surgeon. A surgical method generally comprises inserting a bone screw into the compression plate and compressing bone in an inferior fusion area by either dynamic or cross-screw compression.

Abstract: An implant for therapeutically separating bones of a joint has two endplates each having an opening through the endplate, and at least one ramped surface on a side opposite a bone engaging side. A frame is slideably connected to the endplates to enable the endplates to move relative to each other at an angle with respect to the longitudinal axis of the implant, in sliding connection with the frame. An actuator screw is rotatably connected to the frame. A carriage forms an open area aligned with the openings in the endplates. The openings in the endplates pass through the carriage to form an unimpeded passage from bone to bone of the joint. The carriage has ramps which mate with the ramped surfaces of the endplates, wherein when the carriage is moved by rotation of the actuator screw, the endplates move closer or farther apart.

Abstract: An implant holder is provided with a first guide lumen and second guide lumen. The implant holder has a first position wherein the implant holder couples to an interbody implant, aligns the first guide lumen with a first hole in the interbody implant, and aligns the second guide lumen with a second hole in the interbody implant. The implant holder has a second position wherein the implant holder releases the interbody implant.

Abstract: A system and method for improving assembly of a modular prosthesis, particularly a femoral stem. The system and method may include implementation of assembly systems for modular prosthesis having one or more intermediate components between a pair of “end components” such as a stem and a head. Grip structures are provided on non-aligned assembly axes and holders are used for each phase to engage appropriate grip structures for joinder of components having aligned assembly axes.

Abstract: A video data cable for use with a video medical device comprising an image capture device includes a processor; data storage; logic to identify the video medical device; logic to determine which of the video medical device or the data cable have a most up-to-date set of image capture settings based on the identified video medical device; logic to transmit the most up-to-date set of image capture settings to the video medical device when it is determined that the data cable includes the most up-to-date set of image capture settings; and logic to receive the most up-to-date set of image capture settings to the video medical device when it is determined that the data cable includes the most up-to-date set of image capture settings.