Abstract: A method for intraoperatively augmenting a revision implant includes removing a primary implant from a bone, intraoperatively determining a size of a defect of the bone, intraoperatively cutting a bone filler material to the size of the defect, installing the bone filler material at the defect, and installing the revision implant on the bone.

Abstract: A system for debriding an infected implant area includes an ultrasonic tool, a navigation system for tracking movement of the ultrasonic tool, and a processing circuit programmed to determine an area to debride and control the ultrasonic tool to automatically adjust a parameter of the ultrasonic tool to provide a first vibrational characteristic when debridement is of a surface of the implant and a second vibrational characteristic when the debridement is of patient tissue.

Abstract: A method includes receiving a measurement of a force applied to a first bone of a joint via a distraction tool and determining a first gap distance between the first bone of the joint and a second bone of the joint and correlating the first gap distance with the measurement of the force. The method also includes causing, using the first gap distance and the measurement of the force, a modified force to be applied to the first bone, determining a second gap distance between the first bone of the joint and the second bone of the joint while the modified force is applied to the first bone, and creating an implant placement plan using the second gap distance and a measurement of the modified force.

Abstract: A joint distraction lever includes a lever body, a projection coupled to the lever body such that the projection is movable relative to the lever body, and a force sensor positioned between the lever body and the projection and configured to measure a force of the projection on the lever body.

Abstract: A method for intraoperative planning and facilitating a revision arthroplasty procedure includes displaying a virtual model of a bone, capturing positions of a tracked probe as the tracked probe contacts points at a perimeter of a primary implant component coupled to the bone, generating a virtual representation of an interface between the primary implant component and the virtual model of the bone using the positions of the tracked probe, planning a bone resection using the virtual representation of the interface, and guiding execution of the bone resection.

Abstract: A method for intraoperatively augmenting a revision implant includes removing a primary implant from a bone, intraoperatively determining a size of a defect of the bone, intraoperatively cutting a bone filler material to the size of the defect, installing the bone filler material at the defect, and installing the revision implant on the bone.

Abstract: A method of performing a procedure includes preparing a subject, gaining access to a portion of the subject with a first instrument, removing a first portion of the portion of the subject with the first instrument, gaining access to the portion of the subject with a tracked instrument, moving the tracked instrument to a surface revealed by removal of at least the first portion from the portion of the subject, tracking the tracked instrument while moving at least the tracked instrument to the surface, and determining a representation of the surface based on the tracking the tracked instrument.

Abstract: A system for irrigating an infected implant area, the system comprising an irrigation tool, and a navigation system for tracking movement of the irrigation tool. The system also includes a processing circuit programmed to determine an area to be irrigated, the irrigation area including at least a surface of an implant and patient tissue, and control the irrigation tool to automatically adjust a speed of a spray of irrigation fluid from the irrigation tool to provide a first speed when debridement is of the surface of the implant and a second speed when the debridement is of the patient tissue.

Abstract: A joint distraction lever includes a lever body, a projection coupled to the lever body such that the projection is movable relative to the lever body, and a force sensor positioned between the lever body and the projection and configured to measure a force of the projection on the lever body.

Abstract: A method for debriding an infected implant area using a robotic-assisted surgery system. The method includes determining, by a processing circuit associated with a computer, an area to be debrided, the debridement area including at least a surface of an implant or patient tissue, and generating, by the processing circuit, a plan for debriding the debridement area. The method further includes controlling a debridement tool, by the robotic-assisted surgery system, while the debridement tool is used to carry out the debridement plan, and monitoring the debridement by the processing circuit.

Abstract: A joint distraction lever includes a lever body, a foot coupled to the lever body via a hinge such that the foot is rotatable relative to the lever body, and a force sensor positioned between a bottom surface of the lever body and the foot and configured to measure a force of the foot on the bottom surface of the lever body during a joint distraction procedure in which a torque is applied to the lever body.

Abstract: A joint distraction lever includes a lever body, a foot coupled to the lever body via a hinge such that the foot is rotatable relative to the lever body, and a force sensor positioned between a bottom surface of the lever body and the foot and configured to measure a force of the foot on the bottom surface of the lever body during a joint distraction procedure in which a torque is applied to the lever body.

Abstract: A method for intraoperatively planning and facilitating a revision arthroplasty procedure. The method includes capturing positions of a tracked probe as the tracked probe contacts an interface area between a bone and a primary implant component implanted on the bone, intraoperatively generating a virtual boundary corresponding to a portion of the interface area to be removed to detach the primary implant component from the bone using the positions of the tracked probe and without use of pre-operative medical imaging, facilitating removal of the primary implant component from the bone by providing a constraint on operation of a cutting tool while the cutting tool removes the portion of the interface area, the constraint based on a relationship between the cutting tool and the virtual boundary.

Abstract: A joint distraction device includes a lever body, a foot extending from a bottom surface of the lever body, wherein the foot is coupled to the lever body via a hinge such that the lever body is rotatable relative to the foot, a first plate and a second plate extending from a distal portion of the lever body, wherein the first plate and the second plate are separated by a gap and wherein each of the first plate and the second plate comprise a stopper extending upwards from a top surface of the first plate and the second plate, and a force measurement device coupled to the bottom surface of the lever body and configured to measure a distraction force applied by the lever body at the foot during a joint distraction procedure in which a torque is applied at a proximal portion of the lever body.

Abstract: A method for intraoperative planning and facilitating a revision arthroplasty procedure includes displaying a virtual model of a bone, capturing positions of a tracked probe as the tracked probe contacts points at a perimeter of a primary implant component coupled to the bone, generating a virtual representation of an interface between the primary implant component and the virtual model of the bone using the positions of the tracked probe, planning a bone resection using the virtual representation of the interface, and guiding execution of the bone resection.

Abstract: A method of performing a procedure includes preparing a subject, gaining access to a portion of the subject with a first instrument, removing a first portion of the portion of the subject with the first instrument, gaining access to the portion of the subject with a tracked instrument, moving the tracked instrument to a surface revealed by removal of at least the first portion from the portion of the subject, tracking the tracked instrument while moving at least the tracked instrument to the surface, and determining a representation of the surface based on the tracking the tracked instrument.

Abstract: A joint distraction device includes a lever body, a foot extending from a bottom surface of the lever body, wherein the foot is coupled to the lever body via a hinge such that the lever body is rotatable relative to the foot, a first plate and a second plate extending from a distal portion of the lever body, wherein the first plate and the second plate are separated by a gap and wherein each of the first plate and the second plate comprise a stopper extending upwards from a top surface of the first plate and the second plate, and a force measurement device coupled to the bottom surface of the lever body and configured to measure a distraction force applied by the lever body at the foot during a joint distraction procedure in which a torque is applied at a proximal portion of the lever body.

Abstract: A method for intraoperatively planning and facilitating a revision arthroplasty procedure. The method includes capturing positions of a tracked probe as the tracked probe contacts an interface area between a bone and a primary implant component implanted on the bone, intraoperatively generating a virtual boundary corresponding to a portion of the interface area to be removed to detach the primary implant component from the bone using the positions of the tracked probe and without use of pre-operative medical imaging, facilitating removal of the primary implant component from the bone by providing a constraint on operation of a cutting tool while the cutting tool removes the portion of the interface area, the constraint based on a relationship between the cutting tool and the virtual boundary.

Abstract: A method for performing a revision surgery using a robotic-assisted surgery system includes determining information related to an interface area between an implant component and a bone, and generating a planned virtual boundary associated with a portion of the interface area to be removed in a representation of the implant and the bone, based at least in part on the information related to the interface area. The method further includes tracking movement in the physical space of a cutting tool such that movement of the cutting tool is correlated with movement of a virtual tool, and providing a constraint on the cutting tool while the cutting tool removes the portion of the interface area. The constraint is based on a relationship between the virtual tool and the planned virtual boundary. The portion of the interface area is removed to remove the implant component from the bone.

Abstract: A method for debriding an infected implant area using a robotic-assisted surgery system. The method includes determining, by a processing circuit associated with a computer, an area to be debrided, the debridement area including at least a surface of an implant or patient tissue, and generating, by the processing circuit, a plan for debriding the debridement area. The method further includes controlling a debridement tool, by the robotic-assisted surgery system, while the debridement tool is used to carry out the debridement plan, and monitoring the debridement by the processing circuit.