Abstract: A unicondylar posterior cutting block, method of use and kit of surgical components are provided, with the cutting block comprising: a base which is mountable on a resected proximal tibial surface of a knee of a patient in use; and a body pivotally attached to the base, the body including an alignment formation arranged to align with a marking on a femur in use, the body defining a cutting guide therein for receiving a cutting instrument to make a unicondylar posterior cut in the femur and wherein moving the alignment formation to align with the marking on the femur causes the body to rotate relative to the base and to tilt the cutting guide relative to the base. Different bases offer different cut positions and rotation of the base offers further different cut positions.

Abstract: A dynamic reference base (DRB) and associated method are provided for rigidly affixing an array frame to bone for use in navigated or robotic surgery. The DRB includes a bridge element that includes a connecting rod having a distal end and a proximal end; a clamp coupled to the distal end of the connecting rod; a first and a second pin guide extending distally from the clamp; a locking nut disposed on the clamp; and a clutch coupled to the proximal end of the connecting rod, the clutch being adapted to couple to the array frame. The DRB also includes the array frame, which is couplable to the clutch, and is adapted to include a plurality of tracking markers disposed thereon.

Abstract: A system includes an intraosseous sliding osteotomy (ISO) plate including a body extending between a first end, a second end, a first surface, a second surface, and a perimeter wall. The body defines at least one fastener aperture extending from the first surface to the second surface. A plate handle is configured to be coupled to the ISO plate. The plate handle includes a body including a handle portion and a head portion. The head portion defines at least one aperture. A locking element includes a locking portion sized and configured to extend through the at least one aperture defined in the head portion of the plate handle to couple the plate handle to the ISO plate.

Abstract: The present disclosure relates to a computer-assisted method for planning an osteotomy procedure on at least one bone selected from a tibia and a femur of a patient's lower limb to correct a misalignment of said lower limb, in which said bone is to be partially cut into two bone portions articulated by a hinge zone, said bone portions are to be distracted or closed until a deformed configuration of the bone and an implant is to be screwed to said bone portions to maintain the bone in said deformed configuration, comprising: •—obtaining an at least partial 3D model of the tibia and/or the femur and a 3D model of the implant; •—receiving at least one user input comprising at least one target alignment parameter; •—based on the at least partial 3D model of each bone and the at least one user input, implementing a dynamic simulation of each cut and of distraction or closing of the bone portions to compute a deformed model of each bone to be cut resulting from the simulated cut(s) and distraction or closing; •—bas

Abstract: A tool for removing a stem implant that has been implanted within a bone can include a cutting section and a clearance section. The cutting section can extend from a proximal portion to a distal portion. The cutting section can include a blade configured to generally conform to an exterior geometry of the stem implant. The clearance section can be disposed adjacent to the cutting section such that a distal portion of the clearance section can be joined to the proximal portion of the cutting section. A proximal portion of the clearance section can be configured to receive and transmit forces to drive the cutting section along a desired trajectory for removal of the stem implant. The clearance section can be shaped to provide an offset that prevents interference with a neck of the stem implant while the cutting section is being driven along a desired trajectory.

Abstract: A powered surgical tool system. The system includes a handpiece having a motor and a front end attachment removably coupled to the handpiece. The attachment has a nose defining a bore for receiving a shaft of a cutting accessory connectable to a motor of the powered surgical tool for rotation. The nose also defines an enclosed channel separate from the bore. The channel extends longitudinally and helically along the nose such that the enclosed channel curves around the nose to curve around the bore. The channel has a variable pitch as the enclosed channel extends longitudinally. An irrigation fitting is in fluid communication with the enclosed channel in the nose and is adapted to receive an irrigating fluid and flow the fluid through the enclosed channel.

Abstract: A device for registering a bone for a robotic shoulder arthroplasty with a surgical robot. The device can include a first portion engageable with a first portion of a bone and can include a second portion engageable with a second portion of the bone, the second portion connected to the first portion and rotatable with respect to the first portion. The device can include a registration device connectable to the first portion and configured to interface with the surgical robot for registration of the device and the bone. The device can include an actuator engageable with the first portion and the second portion to move the second portion toward a closed position away from an open position.

Abstract: A tibial trial insert system includes a bearing component having a superior articulating surface for articulation with a distal femoral surface, a plate component having an inferior fixation surface for fixation to a proximal tibia, and an adjustment arrangement for adjusting a proximal/distal spacing between the bearing component and the plate component. The adjustment arrangement includes an adjustment device having a superior connector element that engages an inferior surface of the bearing component, an inferior base element adapted to be placed upon a superior surface of the plate component, and a telescopic mechanism coupled to the connector element and the base element. The telescopic mechanism can adjust a thickness of the adjustment device. At least one shim is insertable between the superior surface of the plate component and an inferior surface of the base element for adjusting a height level of the adjustment device relative to the plate component.

Abstract: A system for preparing a bone for implantation of a component of an orthopedic implant device. The system includes a forming tool having a sleeve member that is selectively received within a handle member. The sleeve member has a guide slot that is sized to receive axial passage of at least a portion of a guide. The guide slot and/or sleeve member may be positioned and/or configured to facilitate at least linear and/or rotational displacement of the forming tool about, or relative to, the guide, and thereby provide a degree of freedom in the location at which the forming tool may form a shape or opening in the bone relative to one or more reference axes. The handle member may include a connection member that is structured to be operably coupled to a bone preparation device that is structured to facilitate the displacement of bone material.

Abstract: A pedicle screw assembly that includes at least one head fixation assembly having an upper body and a lower body with an opening in a bottom portion of the lower body, at least one bone screw positioned between the upper body and the lower body of the head fixation assembly and extends outward from the opening in the bottom portion of the lower body, at least one lateral interconnecting member to stabilize at least one bone in a patient, wherein the at least one head fixation assembly is transversely attached to the at least one lateral interconnecting member; and a securing mechanism to lock the upper body to the lower body to prevent polyaxial motion and translation along the at least one interconnecting member. The interconnecting member can be at least one plate, a c-shaped member, or a walled member with slots. Navigatable screwdriver instruments can be utilized.

Abstract: A surgical cement removal tool including an elongated shaft having a proximal end and a distal end, and a bowl-shaped scoop affixed to the distal end. Handle attachment structure can be provided adjacent the proximal end of the elongated shaft to permit releasable attachment of the surgical cement removal tool to a handle. Alternatively, the proximal end of the elongated shaft may be permanently affixed to a suitable handle.

Abstract: A method of assessing ligament balance in a joint. The method comprising forcing, by motors of joints of an articulated arm of a robotic device, a ligament balancing device to apply a first force to a first bone of the joint in contact with the ligament balancing device, holding the first bone with the first force while allowing manual manipulation of a second bone of the joint and collecting a force measurement, and determining, by a processor in communication with the robotic device, a force applied to one or more ligaments of the joint based on the force measurement.

Abstract: An apparatus and a method are provided for a sterile staple implant kit that a surgeon may unpack and utilize during a surgery. The staple implant kit comprises a group of complementary surgery-specific instruments that are packaged in a sterile state. An instrument tray is configured to preserve the instruments in the sterile state until the staple implant kit is opened during the surgery. The instrument tray is configured to provide the surgeon with easy access to the instruments during the surgery. The staple implant kit comprises at least a staple inserter and a surgical staple suitable for being implanted in parallel holes drilled across a bone fusion or fixation site of a patient. The surgical staple preferably is loaded in a relaxed configuration into the staple inserter. A staple retention clip retains the surgical staple in the staple inserter until the staple is distracted during the surgery.

Abstract: A bioactive orthopedic implant is provided defined as a rod with a surface and a treated surface area for increased surface area, a freeze-dried hydrophilic hydrogel network physically cross-linked via charged polymers and salt-ions onto the treated surface area, biologies trapped and thereby hosted within the hydrogel network, and covalently reactive macromonomers chemically cross-linked within the hydrogel network to strengthen the hydrogel network itself and to the rod. The surface area of the bioactive orthopedic implant can be coated with covalently linkable molecules which are chemical cross-linked with the covalently reactive macromonomers to increase adhesion of the chemically and physically cross-linked hydrophilic hydrogel network to the rod. The rod can be an interconnected porous rod and where the biologies is hosted with pores of the interconnected porous rod. The bioactive orthopedic implant can be sized for implantation in between two bone segments, a bone tunnel, or a fracture.

Abstract: The present invention relates to a spacing-adjustable bone orthopedic apparatus. The apparatus may include a plate including a main body and a through portion having a predetermined length and formed to pass through the main body and a locking screw which is inserted into the through portion, which includes a screw body and a screw head which are capable of being coupled to each other, and in which outer circumferential surface saw teeth are formed on an outer circumferential surface of the screw head.

Abstract: Robotic systems for orthopedic surgery are provided. The robotic systems may include at least first and second motors coupled to each other. An output shaft of one of the motors may be connectable to a surgical tool guide. An output shaft of another of the motors may be coupled to a portion of a ball and socket joint. A corresponding portion of the ball and socket joint may be coupled to a bone mount which may be attached to a bone to mount the first and second motors to bone for performing orthopedic surgical procedures.

Abstract: A spinal interbody fusion device for use in a plurality of surgical approaches includes a cage, a top end, a bottom end, and at least a first side representing the width of the cage and at least a second side representing a length of the cage. The cage includes fixation holes and inserter holes, with each fixation hole being configured for accepting a screw or anchor and each inserter hole being accessible for one or more surgical approaches for performing a spinal fusion. Also included are methods for selecting a size of an intervertebral implant and methods of surgically approaching a spine of a patient for spinal surgical procedures.

Abstract: A system including a knee ranging tool: including a base configured to locate on a resected proximal face of a tibia in a knee of a patient; defining a tibial reference surface configured to run against a femoral surface of an artificial femoral component, installed on a distal face of a femur of the patient, during articulation of the knee of patient; including a set of stages interposed between the base and the tibial reference surface, configured to locate the tibial reference surface relative to the base, and compliant to medial-lateral translation, anteroposterior translation, and transverse rotation; and configured to indicate a medial-lateral translation offset, an anteroposterior translation offset, and a transverse rotation offset corresponding to a position of the tibial reference surface, relative to the base, that yields elastic deformation of ligaments in the knee over a range of motion of the knee.

Abstract: An apparatus for securing and positioning a jig on a human joint includes: a mounting bracket; a first tracking marker coupled to the mounting bracket, configured to generate a first signal representative of the position and orientation in space of the mounting bracket; a mounting head coupled to a distal end of the mounting bracket by an adjustment mechanism configured to permit six degree of freedom of movement of the mounting head relative to the mounting bracket; position feedback means configured to generate a second signal representative of the position and orientation of the mounting head relative to the mounting bracket; a mounting element coupled to the mounting bracket; an electronic receiving device configured to receive the first and second signals; and a display configured to display the position and orientation of the mounting head relative to the mounting bracket.

Abstract: A number of orthopaedic surgical instruments are disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. In some embodiments, an orthopaedic instrument assembly may include a femoral cutting block configured to receive a portion of a distal femur of a patient and a ligament balancer secured to the femoral cutting block.