Abstract: Methods and apparatuses for performing an orthopedic procedure in the sacroiliac region are disclosed. In one form, an aperture is formed that at least partially extends through at least one of an ilium and a sacrum. An undercutting system is inserted into the aperture. The undercutting system may include an insertion apparatus, a probe assembly, and a cutting assembly. The probe assembly is moved with respect to the insertion apparatus from a retracted position to an extended position. The probe assembly is manipulated within a joint between the ilium and the sacrum while the probe assembly is in the extended position. The cutting assembly is moved with respect to the insertion apparatus from a retracted position to an extended position. The cutting assembly is manipulated within the joint between the ilium and the sacrum while the cutting assembly is in the extended position to form a fusion region.

Abstract: This disclosure relates to an adjustable tibial sizer for use in knee arthroplasty, the sizer includes a two-part body comprising: a first body portion, a second body portion, and a connection element extending therebetween. Each of the first and second body portions includes a ramp surface configured for simultaneous movement of the first body portion relative to the second body portion in an anterior-posterior direction and a medial-lateral direction, and method of use thereof.

Abstract: An arthroscopic cutting probe includes a shaft assembly having a distal end, a proximal end, and a longitudinal axis. A distal cutting member is rotatably attached at the distal end of the shaft assembly, and at least a portion of an exterior surface of the distal cutting member is electrically insulated. One or more burr elements extend radially outwardly from the electrically insulated portion of the exterior surface of the distal cutting member, wherein the burr element is electrically conductive to form an active electrode.

Abstract: Navigated instrument guide systems and related methods can identify an absolute position of an instrument received within an instrument mount of a robotic arm. A navigation array unit of the guide system can include a main array and a mounted array. The main array can identify a position of the robotic arm and the instrument mount, while the mounted array can identify a depth position of a distal end of an instrument received within the instrument mount. The instrument can be passed through a lumen of the mounted array as the instrument is inserted into the instrument mount. The mounted array can be configured to translate relative to the instrument mount and the main array with distal translation of the instrument. In this manner, a position of the mounted array can identify a depth position of the instrument without a mechanical connection between the mounted array and the instrument.

Abstract: An anchor for anchoring tensile members to bone includes: a housing extending along a central axis, with a hollow interior; a collet in the hollow interior having a central bore for accepting tensile members and an exterior surface, the collet being configured to swage around and against tensile members; a sleeve having a peripheral wall defining interior and exterior surfaces, the sleeve disposed in the housing's hollow interior axially adjacent to the collet, and movable parallel to the central axis between first and second positions; and wherein at least one of the collet exterior surface and the sleeve interior surface is tapered and the sleeve and the collet are arranged so movement of the sleeve from the first position to the second position causes the sleeve interior surface to bear against the collet exterior surface, causing the collet to swage radially inwards around and against one or more tensile members.

Abstract: The invention relates to a trajectory guidance instrument that is securable to a surgical tool for use in conjunction with X-ray machines. More particularly, the device includes a radiolucent outrigger having radiodense indicia disposed on the outrigger so that the radiodense indicia is visible via an X-ray machine to provide an angular trajectory for the instrument. The outrigger is securable to various surgical tools for the purpose of providing real time trajectory guidance to surgeons during a procedure. In general, the precision trajectory guidance instrument comprises a substantially rigid outrigger device which it securable to a portion of the surgical tool for trajectory guidance. The trajectory guidance instrument may be attached with clips, fasteners, adhesives, hook and loop or the like.

Abstract: A gap gauge is disclosed for facilitating an arthroplasty procedure on a first bone and a second bone of a patient. The gap gauge may include a first plate positionable in contact with the first bone, a second plate positionable in contact with the second bone. The second plate may be displaced from the first plate by a displacement. The gap gauge may further include a balance indicator configured to indicate a balance status between the first plate and the second plate and a pin guide. The pin guide is configured to couple to one of the first plate and second plate and includes a pin hole that is configured to guide a pin for insertion into the second bone. The pin can be used to couple a cutting guide to the second bone to resect the second bone to adjust the balance status.

Abstract: A system for validating bone alterations during computer-assisted surgery, comprises a processing unit; and a non-transitory computer-readable memory communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for: registering a surface of a bone in a coordinate system using a geometry of a patient specific tracker device on the surface of the bone; tracking a tool relative to the bone in the coordinate system as a function of implant geometry and of a planned implant position and orientation on the bone; and validating at least one alteration to the bone using a mating geometry of a validation tracker device applied to an altered surface of the bone.

Abstract: The present disclosure provides an expandable spinal implant comprising a plurality of moveable endplates pivotably connect to a housing.

Abstract: Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.

Abstract: A balloon pulling device, comprising a core tube (11) portion and a balloon (12) portion, wherein the core tube (11) portion may inflate and deflate the balloon (12) portion by using a fluid; the present invention is characterized in that the balloon (12) portion comprises a plurality of expansion segments (13), the expansion segments (13) being larger than the remaining portion of the balloon (12) after being inflated with a fluid such that the entire balloon (12) forms a curved contour. A simple and reliable balloon pulling device capable of retracting at a long distance while being finely adjusted is achieved.

Abstract: The invention relates to a system and method for driving orthopedic bone screws. In one aspect the driver includes a powered driving rod that is configured to releasably couple with a recess in a bone screw via a threaded system for coupling and uncoupling the screw from the driving rod.

Abstract: A surgical template system for use in working on a bone comprises: a tool guide block comprising at least one guide aperture for receiving and guiding a tool to work on a bone; locating means comprising a plurality of locating members, each member having a respective end surface for positioning against a surface of the bone; and attachment means for non-adjustably attaching the tool guide block to the locating means such that, when attached, the member end surfaces are secured in fixed position with, respect to each other, for engaging different respective portions of the surface of the bone, and the at least one guide aperture is secured in a fixed position with respect to the end surfaces. Corresponding methods of manufacturing a surgical template system, methods of manufacturing locating means for a surgical template system, methods of fitting a prosthesis to a bone, surgical methods, and surgical apparatus are described.

Abstract: A surgical template system for use in working on a bone comprises: a tool guide block comprising at least one guide aperture for receiving and guiding a tool to work on a bone; locating means comprising a plurality of locating members, each member having a respective end surface for positioning against a surface of the bone; and attachment means for non-adjustably attaching the tool guide block to the locating means such that, when attached, the member end surfaces are secured in fixed position with, respect to each other, for engaging different respective portions of the surface of the bone, and the at least one guide aperture is secured in a fixed position with respect to the end surfaces. Corresponding methods of manufacturing a surgical template system, methods of manufacturing locating means for a surgical template system, methods of fitting a prosthesis to a bone, surgical methods, and surgical apparatus are described.

Abstract: An apparatus for evaluating motions of a joint is provided that is designed for determining stability of an anatomical joint. The apparatus includes a support frame, a fixation assembly for securing a first body segment of a joint, and a displacement assembly mounted to the support frame. The fixation assembly includes an axis of rotation moveable relative to the support frame. The displacement assembly includes a first frame pivotably mounted to the support frame and rotatably connected to a first end of the fixation assembly, and a second frame pivotably mounted to the support frame and rotatably connected to a second end of the fixation assembly.

Abstract: A device for coaptation of bone parts or bone fragments, comprising an integral plate obtained by moulding whereof one portion (1) is made from a first biocompatible polymer comprising at least one or, preferably, a plurality of areas or inserts (2) provided with a through hole (3), said areas or inserts being made from a second biocompatible polymer which is more malleable than the first polymer, said areas or inserts having mechanical properties allowing a self-tapping of the inner surface of the holes, by means of screws that can be used for securing said plate to bone tissue, said support portion and said areas or inserts having a partial molecular bond between them.

Abstract: An osteotomy calibration method, calibration tools, a readable storage medium, and an orthopedic surgery system are provided. Firstly using the plane calibration tool to obtain the calculated position information of the current osteotomy plane, and then determining a position error between the calculated position information and a predetermined position information of a planned osteotomy plane, and if the position error exceeds a preset value, calculating and transmitting a relocation information to a robotic arm to control and relocate the robotic arm. By comparing and identifying the position error between the current osteotomy plane formed by the first osteotomy and the planned predetermined osteotomy plane, relocating the robotic arm, and performing a secondary correction of the osteotomy plane. In addition, by relocating the robotic arm and secondary correction of the osteotomy plane, additional bone nails which is to fix the navigation tool to the bone can be avoided.

Abstract: An orthopaedic surgical instrument assembly includes a surgical reamer, a cannulated broach, and an instrument handle. The broach includes a bore sized to slide over a shaft of the reamer. The handle attaches to the broach and also includes a bore sized to slide over a shaft of the reamer. A modular broach assembled from a number of broach segments may be used. Methods associated with the surgical instrument assembly are also disclosed.

Abstract: A drill guide, including: frustoconical body with a first opening at a narrower distal end and second opening at a wider the proximal end; a first support with a first end connected to the frustoconical body and a second end; a zero angle guide with an opening aligned with the first opening and wherein the zero angle guide is connected to the second end of the first support.

Abstract: Systems (100, 900, 1100), devices, and methods may be used to print or use a patient-specific waterjet cut guide (104, 302, 902, 1102). A method may include receiving, at a processor, image data of a bone (102, 308) of a patient (702), rendering a model of the bone (102, 308) (704) and generating a cut guide model using the model of the bone (102, 308) (706). The method may include printing, using a three-dimensional (3D) printer, a waterjet cut guide (104, 302, 902, 1102) using the cut guide model. A method may include using the patient-specific waterjet cut guide (104, 302, 902, 1102) to perform a resection using a waterjet cutting device, the waterjet cutting device including a nozzle (108, 306, 406, 500A, 500B) insertable into a cut guide slot (106B, 304, 310, 906, 1104) of the patient-specific waterjet cut guide (104, 302, 902, 1102).