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 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 navigation system includes a first and second tracker supports independently affixed to a rigid object and separated by a distance. A first plurality of trackable elements are secured to the first tracker support and a second plurality of trackable elements are secured to the second tracker support. A localizer tracks the trackable elements and controller(s) define a tracking arrangement to be tracked based on a combination of the first and second plurality of trackable elements. A geometry of the tracking arrangement is registered relative to the rigid object and the controller(s) track the rigid object by detecting the registered geometry. The controller(s) identify a condition wherein at least one trackable element has been displaced relative to the registered geometry, and in response, generate an instruction to a manipulator controller to interrupt operation of a robotic manipulator.

Abstract: A navigation system is disclosed comprising a first and a second tracker support separately affixed to the same rigid object by a distance. A first and a second plurality of trackable elements are secured to the first and second tracker supports, respectively. The navigation system defines a tracking arrangement to be tracked based on a combination of the first and second plurality of trackable elements. A geometry of the tracking arrangement relative to the rigid object is registered. The navigation system has a localizer configured to track the rigid object by detecting the registered geometry of the tracking arrangement. The navigation system identifies a condition wherein at least one trackable element has been displaced relative to the registered geometry, and in response, generates a response to address the condition.

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 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, apparatus, and system acquire data to create a 3D mesh representing a 3D object. The method, apparatus, and system acquire image data of the 3D object using an imaging probe that includes illumination and detection capability. A light source operates to illuminate the 3D object for reflection and/or trans-illumination imaging, and a detection assembly receives image reflection and/or trans-illumination image data. The reflectance and trans-illumination image data collected by the detection assembly are co-registered with a previously acquired 3D mesh using data from a tracking system monitoring the position of the probe, displayed in real-time, and optionally saved.

Abstract: A navigation system is disclosed comprising a first and a second tracker support separately affixed to the same rigid object by a distance. A first and a second plurality of trackable elements are secured to the first and second tracker supports, respectively. The navigation system defines a tracking arrangement to be tracked based on a combination of the first and second plurality of trackable elements. A geometry of the tracking arrangement relative to the rigid object is registered. The navigation system has a localizer configured to track the rigid object by detecting the registered geometry of the tracking arrangement. The navigation system identifies a condition wherein at least one trackable element has been displaced relative to the registered geometry, and in response, generates a response to address the condition.

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, apparatus, and system acquire data to create a 3D mesh representing a 3D object. The method, apparatus, and system acquire image data of the 3D object using an imaging probe that includes illumination and detection capability. A light source operates to illuminate the 3D object for reflection and/or trans-illumination imaging, and a detection assembly receives image reflection and/or trans-illumination image data. The reflectance and trans-illumination image data collected by the detection assembly are co-registered with a previously acquired 3D mesh using data from a tracking system monitoring the position of the probe, displayed in real-time, and optionally saved.

Abstract: Connecting two or more persons by telephone without any person having to give their telephone coordinates. A messaging server adapted to send to one or more invited persons a message sent by an inviting person and containing an invitation to communicate by telephone, to create automatically a number dedicated to a telephone call in which at least one invited person has agreed to participate, and to broadcast the dedicated number to the inviting person and to the invited person(s) who have agreed to participate. An exchange is adapted to connect at least two calls to the dedicated number.

Abstract: Connecting two or more persons by telephone without any person having to give their telephone coordinates. A messaging server adapted to send to one or more invited persons a message sent by an inviting person and containing an invitation to communicate by telephone, to create automatically a number dedicated to a telephone call in which at least one invited person has agreed to participate, and to broadcast the dedicated number to the inviting person and to the invited person(s) who have agreed to participate. An exchange is adapted to connect at least two calls to the dedicated number.