Abstract: In some examples, a computer-implemented method may include receiving one or more images related to a surgical site of a patient. The method may include identifying, based on the one or more images and using one or more trained machine learning models, one or more pieces of hardware installed at the surgical site. The method may include determining, based on the one or more pieces of hardware and using the one or more machine learning models, navigation guidance to uninstall the one or more pieces of hardware during revision surgery. The method may include transmitting the navigation guidance to a computing device associated with a surgeon to perform the revision surgery.

Abstract: A method includes receiving, by a computing device, a plurality of identified points corresponding to an intercondylar notch of a femur of a patient, a medial intercondylar arc of the femur, and a lateral intercondylar arc of the femur, determining, by the computing device and based on the plurality of points, a Blumensaat line, a medial contour of the medial intercondylar arc, and a lateral contour of the lateral intercondylar arc, determining, by the computing device, a sagittal plane for the femur based on the Blumensaat line, the medial contour of the medial intercondylar arc, and the lateral contour of the lateral intercondylar arc, and performing at least one function of a surgical procedure associated with the femur based on the determined sagittal plane.

Abstract: A system for harvesting a tendon graft is disclosed, including a retractor, a guide and a harvesting tool. The retractor is collapsible and upon release, becomes self-supporting to hold open an anatomic space developed in a patient above the tendon. A guide assembles with the retractor to orient a guide shaft along the retractor and thereby the anatomic space. The harvesting tool includes a working end with a blade edge for cutting into the tendon. The harvesting tool defines a contoured surface for engaging and translating along the guide shaft while assembled to the retractor. The guide shaft and contoured surface limit the trajectory and translation extent of the harvesting tool along and into the tendon.

Abstract: Methods, non-transitory computer readable media, interface adapter devices, and surgical computing devices and systems that detect and analyze connectivity of an end effector to a robotic arm are disclosed. With this technology, an interface adapter device of a robotic arm includes a connectivity sensor that determines when an end effector is disconnected from the robotic arm to be used as a handpiece by a surgeon to carry out particular surgical task(s) associated with a surgical procedure. The interface adapter device can instruct the robotic arm to automatically enter an inactive state defined in a surgical plan for the surgical procedure upon detection of the disconnection. Upon reconnection of the handpiece, or installation of a different handpiece, the interface adapter device automatically facilitates readjustment of the robotic arm based on an active state (e.g., automated resumption of the surgical procedure) defined in a surgical plan for the surgical procedure.

Abstract: A computing system having at least one sensor, at least one processor, and at least one memory including a plurality of instructions stored thereon that, in response to execution by the at least one processor, causes the computing system to receive one or more surgical parameters associated with a ligament balancing of a patient's joint, receive real-time sensor data generated by the at least one sensor and indicative of at least one characteristic of the patient's joint, and apply machine learning to determine a next ligament balancing step of the ligament balancing of the patient's joint based on the one or more surgical parameters and the real-time sensor data, wherein the next ligament balancing step is a step of one or more steps intended to result in a target state of the patient's joint identified by the machine learning.

Abstract: An electrosurgical wand is provided and includes a handle and an elongate shaft coupled to the handle and extending distally from the handle along an axis. An active electrode is disposed at a distal end of the electrosurgical wand. A return electrode abuts the elongate shaft and extends along and annularly about the axis. The return electrode has a top side adjacent the active electrode and an opposite bottom side and defines a notch. A support member is disposed in the notch between the electrodes and transitions curvilinearly from the notch to define a front surface extending laterally across and axially from the return electrode. The front surface tapers downwardly from the active electrode to define a first portion defining a first convex outer surface and also extends toward the bottom side of the return electrode to define a second portion defining a second convex outer surface.

Abstract: An orthopedic intramedullary (“IM”) nail for internal fixation of a patient's bone is disclosed. In some examples, the IM nail is arranged and configured as a tibial IM nail arranged and configured for implantation into a patient's tibia. In some examples, the tibial IM nail is arranged and configured to be side-specific so that the anatomic specific tibial IM nails can be used to, for example, target specific bony anatomy such as, for example, the patient's posterior malleolus. In addition, the tibial IM nail may include a variable angle screw opening in the distal end portion thereof to target specific bony anatomy such as, for example, the patient's posterior malleolus, while avoiding anatomic structures such as nerves, vessels, tendons, etc. In addition, and/or alternatively, the tibial IM nail may include a variable angle screw opening in the proximal end portion thereof to enhance screw positioning.

Abstract: Orthopedic systems, methods, and instrumentation for preforming knee arthroplasty. In some embodiments, the systems, methods, and instruments utilized improved quick connect mechanisms such as, for example, snap-fit connectors, to facilitate easier assembly and disassembly of the various components. For example, various connection mechanisms for coupling a tibial base trial to a guide (e.g., a fin punch guide), and/or for coupling the guide (e.g., fin punch guide) to a punch. In use, the systems, methods, and instruments provide an improved workflow for facilitating knee arthroplasty surgery.

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: A cutting guide is provided to assist a surgeon with resecting a portion of a patient's femoral neck or another bone. The cutting guide may include an opening configured to affix the cutting guide to at least one pin inserted into the patient's femoral neck, a proximal cutting surface, and a distal cutting surface. The proximal cutting surface defines a proximal cutting plane on the femoral neck and the distal cutting surface defines a distal cutting plane such that when cuts are made alone the proximal cutting plane and the distal cutting plane, a section of the femoral neck is removable. The pin may be inserted in the section of the femoral neck to be removed by an automated pin insertion tool. The tool may be configured to only operate when the pin is properly positioned and aligned to the femoral neck.

Abstract: The technology includes an anchor assembly for tissue repair having an open helical coil sleeve and a tip structure. The tip structure includes an aperture for passing a suture and a suture capture member for capturing a suture. The technology also includes an anchor driver for installing an anchor into bone. The anchor driver includes an outer shaft and a sleeve advancement member for advancing the sleeve as well as an inner shaft and a suture capture advancement member for advancing the suture capture member. The technology also includes a system for tissue repair having an anchor assembly and an anchor driver for installing the anchor assembly into bone.

Abstract: Embodiments of negative pressure wound therapy systems and methods for operating the systems are disclosed. In some embodiments, a system includes a negative pressure source, a sensor, and a controller. The negative pressure source can provide negative pressure via a fluid flow path to the wound dressing. The sensor can monitor pressure in the fluid flow path. The controller can determine whether the wound dressing is coupled to a wound from a change in magnitude of pressure in the fluid flow path over time being more indicative of a steady state condition than a chaotic condition while the negative pressure source maintains negative pressure in the fluid flow path within a pressure range. In addition, the controller can output a first indication denoting that the wound dressing is coupled to the wound and a second indication denoting that the wound dressing is not coupled to the wound.

Abstract: A modular acetabular cup assembly includes an acetabular cup, and a liner seated in the cup. The cup includes an end face, an apex opposite the end face, and a central axis extending between the apex and a center point of the end face. The liner includes an articular surface having a center of rotation which defines a pivot point of the acetabular cup assembly. In certain embodiments, the pivot point is laterally offset from the center point such that the end face is located between the pivot point and the apex.

Abstract: Periprosthetic bone fixation plates are disclosed including, for example, periprosthetic proximal femur plate, periprosthetic distal femur plate, periprosthetic humerus plate, periprosthetic ring plate, and periprosthetic troch plate. In use, the periprosthetic bone fixation plates are arranged and configured for use in periprosthetic fractures. That is, the periprosthetic plates include one or more features to facilitate positioning and securement of the bone fixation plate to a patient's bone that previously received a surgically implanted orthopedic device or implant such as, for example, an intramedullary nail, a hip prosthesis, a knee prosthesis, etc. In use, the one or more features are designed and configured to facilitate avoidance of the previous surgically implanted orthopedic device or implant. In addition, the periprosthetic bone fixation plates are arranged and configured to facilitate plating of a longer working length as compared to existing bone fixation plates (e.g.

Abstract: Methods and system for characterizing ligament properties using elastography are disclosed. An ultrasound system capable of performing shear wave elasticity imaging and/or supersonic shear imaging may retrieve one or more images from a proposed surgical site. The one or more images may be provided to a surgical planning system that identifies one or more properties of ligaments proximate to the surgical site. Musculoskeletal simulations may be performed using the identified properties to preoperatively identify a surgical plan. Preoperative identification of a surgical plan may enable a surgeon to select from more fine-tuning options for a joint replacement than conventional systems.

Abstract: An orthopedic surgical instrument or impactor system and associated methods thereof. In some examples, the impactor system includes an impact mechanism coupled to rotational-to-linear conversion mechanism, which is coupled to a motor assembly using an electromagnetic clutch. The electromagnetic clutch transmits rotational motion generated by the motor assembly to the rotational-to-linear conversion mechanism for conversion of the rotational motion to translational motion to cause one or more cyclic translations of the impact mechanism during a predetermined period of time or cycle. The cyclic translations of the impact mechanism include oscillatory forward and reverse movements. The electromagnetic clutch is configured to temporarily engage and disengage the motor assembly and the rotational-to-linear conversion mechanism.

Abstract: An orthopedic implant including an outer surface and at least one opening extending through the outer surface for receiving a fastener for coupling the implant to a patient's bone or bone portion/fragment. The opening including a plurality of fins circumferentially disposed about the opening for engaging threads formed on a head portion of the fastener to secure the fastener to the implant. The plurality of fins being arranged and configured in first and second vertically spaced rows of fins. At least one of the fins including a different configuration, property, etc. relative to at least one of the other plurality of fins. In one embodiment, each of the first and second fins in a vertically stacked relationship includes a different configuration from the other of the first and second fins in that stack. In one embodiment, the different configuration includes a different length, a different thickness, or a combination thereof.

Abstract: Some examples are directed to methods, systems, and related tools for registering an internal coordinate system of a surgical site with an external coordinate system of a surgical room.

Abstract: A connection mechanism for a tool and associated methods thereof. The connection mechanism includes a housing having a hollow interior, a spring-loaded movable collar portion positioned exterior to the hollow interior of the housing, and spring-loaded latches coupled to the housing. The spring-loaded latches include first retention mechanisms configured to releasably secure external objects within the hollow interior and prevent translational motion of the external objects once engaged by the spring-loaded latches. The collar portion includes a first portion of second retention mechanisms and the housing include a second portion of the second retention mechanisms. Upon interaction of the first and second portions of each of the second retention mechanisms, the second retention mechanisms is configured to releasably secure the external objects within the hollow interior and prevent rotational motion of the external objects once engaged by the collar.

Abstract: A computer-implemented method for creating an activity-optimized cutting guides for surgical procedures includes receiving one or more pre-operative images depicting one or more anatomical joints of a patient, and creating a three-dimensional anatomical model of the one or more anatomical joints based on the one or more pre-operative images. One or more patient-specific anatomical measurements are determined based on the three-dimensional anatomical model. A statistical model of joint performance is applied to the patient-specific anatomical measurements to identify one or more cut angles for performing a surgical procedure. A patient-specific cutting guide is created that comprises one or more apertures positioned based on the one or more cut angles.