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.

Abstract: An introducer for insertion of a medical device into a patient's vasculature includes an elongate introducer body, a hub, and a hemostatic valve. The elongate introducer body includes a longitudinal axis, a proximal region, a distal region, and an inner lumen. The hub is coupled to the proximal region of the introducer body. The hemostatic valve is disposed within the hub and forms a liquid-tight seal across the inner lumen. The introducer includes a guide configured to guide an object towards the center of the valve during insertion of the object.

Abstract: An aiming jig for a tibia plate, including: a head the interfaces with a head of the tibia plate comprising: screw guide holes corresponding to screw holes in the head of the tibia plate; a fixation protrusion that engages a fixation opening in the head of the tibia plate, wherein an engagement of the fixation protrusion with the fixation opening aligns the head with the head of the tibia plate; and an arm extending from the head including a guide wherein the guide is configured to extend along an anterior portion of a tibia when the aiming jig is fixed to the tibia plate, and the guide includes a support screw guide hole that guides a placement of a support screw into the tibia in a generally anterior to posterior direction so that the support screw avoids interfering with plate screws placed in the head of the tibia plate.

Abstract: The present technology includes patient-specific spinal fusion devices, which may include an interbody implant that is designed to be positioned within a disc space between two vertebral bodies and one or more fixation elements that can anchor the interbody implant to the vertebral bodies. The fusion devices include one or more retention mechanisms for retaining the fixation elements within corresponding lumens or bore holes extending through the interbody implant. Methods for designing and manufacturing patient-specific spinal fusion devices are also described herein.

Abstract: An external distraction apparatus for performing a craniofacial distraction is disclosed. The external distraction apparatus may comprise a stationary member. The stationary member may be configured to be affixed to a head of a patient. The external distraction apparatus may also comprise laterally disposed distractors. The laterally disposed distractors may extend inferiorly from the stationary member and be moveable relative to the stationary member.

Abstract: A control method for an arthroplasty surgical robot includes: capturing a bone image, transmitting the image to a computer system, and acquiring image data of a bone; selecting a suitable prosthesis model and placing it on a diseased joint for matching, wherein the overlapping part between the model and the bone is the part that needs to be removed and replaced; mounting signal sources; capturing a bone image again, including the signal sources and the joint part; establishing a coordinate system using the signal sources as the origin, and calculating and memorizing an interface between the model and the bone overlapping part and the coordinates of the interface in the coordinate system; and receiving the coordinates by a surgical robot, and obtaining the positional coordinates by the surgical robot of a part of the diseased joint that needs to be removed, and performing a surgical operation by the surgical robot.

Abstract: The dual-headed surgical instrument is a surgical instrument with tool heads at either end for performing surgical procedures, such as, for example, skull base dissection. The dual-headed surgical instrument includes an elongated handle portion extending along a longitudinal axis. The elongated handle portion has opposed first and second ends. The first end of the elongated handle portion has a first surgical tool head and the second end of the elongated handle portion has a second surgical tool head. The first surgical tool head extends along a first tool axis which is angularly displaced from the longitudinal axis by 60°. The second surgical tool head extends along a second tool axis which is angularly displaced from the longitudinal axis by 150°. The first end of the elongated handle portion may be curved to define the 60° angle of the first tool axis.

Abstract: A system may include an implantable device having at least a first sensor configured to collect first data regarding one or more characteristics of a bone of a patient, wherein the implantable device is configured for implantation in a medullary canal of the tibia. The system may include an attachment member configured to couple with the implantable device when the implantable device is implanted in the medullary canal of the tibia. The system may further include a targeting device moveably coupled to the attachment member, wherein the targeting device is configured to reference a distal anatomy of a leg, and wherein the targeting device has at least a second sensor configured to collect second data regarding at least a position of the targeting device.

Abstract: A surgical introducer system having an outer introducer sidewall extending along a longitudinal axis from a proximal introducer end to a distal introducer end, an inner introducer sidewall extending within the outer introducer sidewall along the longitudinal axis and forming an introducer passage extending in a distal direction from a proximal passage opening at the proximal introducer end to an introducer passage end wall located proximal to the distal introducer end, and an end wall passage extending from the introducer passage end wall towards the distal introducer end. The introducer end wall passage joins the introducer end wall at one or more end wall edges defining an axial stop ring configured to contact the distal tip of a navigation probe between the probe shaft and a terminal end of the distal probe tip at a line of contact to thereby prevent movement of the navigation probe in the distal direction.

Abstract: The present invention relates to an intervertebral implant and the device and system comprising the same. The intervertebral implant comprises: a core part having at least one hole on its surface, with at least one working hole; an outer shell, at least partially covering the core part, including a top and a bottom, with the bottom having an opening; and a mesh configured between the outer shell and the core part, surrounding the exterior of the core part; wherein the working hole corresponds to the opening. The advantage of the present invention is that: the mesh structure can expand in intervertebral space when infused with fusion materials and conform to the vertebral bodies, thereby enhancing the contact area to endplates and improving the success rate of fusion. At the same time, the mesh structure can be protected from damage during insertion.

Abstract: Functional patient-specific acetabular component alignment is important in total hip arthroplasty. A method for acetabular component alignment by calculating pelvic tilt from an anteroposterior radiograph of the pelvis of a patient may be replicated intraoperatively for patient-specific alignment. A system for automated generation of the pelvic tilt from an anteroposterior radiograph presented improves the efficacy and accuracy of total hip arthroplasty.

Abstract: A surgical tool assembly is disclosed herein. The assembly includes a first guide tool portion configured to support an instrument. The first guide tool portion is configured to limit movement of the instrument relative to a patient site. A second guide tool portion is provided that is configured to receive at least one K-wire to stabilize the surgical tool assembly.

Abstract: Devices, systems, and methods for a robot-assisted surgery. A surgical robotic system with integrated navigation and multiple surgical arms may assist a user with one or more surgical procedures. In addition to the multiple surgical arms, the robotic system may also have peripheral arms to position a navigation camera and surgeon displays. The robotic system is collaborative to allow for easy integration into procedural workflows, for example, to install pedicle screws, interbody implants, or other surgical devices.

Abstract: A system and method for a system and method for providing an electronic signature as a method and apparatus for sizing bone for press fit arthroplasty. Electrical signatures of driving motive systems used in bone preparation for the press fit arthroplasty, such as driving motors of reamers and broaches, provide a metric for proper sizing.

Abstract: Disclosed are examples of a patella bone plate. In some examples, the patella bone plates may include a contoured body with a longitudinal axis, and with a radius of curvature, a plurality of contoured arms and extending superiorly from the contoured body, the plurality of contoured arms spaced apart from the longitudinal axis, the plurality of contoured arms, a plurality of holes, a hook, the hook having a radius of curvature configured to allow the hook to extend around an apex of the patella, a hole located on the hook, the hole defining a distal fixation screw path that is substantially parallel to and offset from the longitudinal axis. In various examples, the contoured body may have a single arm with a staggered hole arrangement. The plurality of holes may include variable angle holes, locking holes, fixation holes, slots, or a combination thereof.

Abstract: An apparatus for pressing out bone cement from a cartridge, to a use of the apparatus, and to a system for pressing out bone cement. An apparatus for pressing out bone cement from a cartridge comprises a threaded rod with an external thread, a handle for rotating the threaded rod, and an adapter unit for mechanically connecting to a cartridge for bone cement. The adapter unit has a passage with an internal thread for the threaded rod. An outer surface of a thread turn of the external thread is not more than 370 mm2.

Abstract: A hemispherical cutting tool has a frame having a first end portion and a second end portion. Curved side panels are coupled to the frame and arranged about the rotational axis of the cutting tool, and have cutting teeth and engagement members extending inwardly into the frame from edge portions of the curved side panels in a direction toward a hollow interior of the hemispherical cutting tool. A dome panel is coupled to the second end portion of the frame such that the cutting tool has a hemispherical shape, the dome panel comprising cutting teeth and a plurality of engagement members extending inwardly into the frame in a direction toward the hollow interior of the tool. The frame is injection molded around the curved side panels and the dome panel such that the engagement members of the curved side panels and the dome panel are embedded in the frame.