Disclosed herein are joint implants and methods for tracking joint implant performance. A joint implant according to the present disclosure can include a first implant on a first bone and a second implant on a second bone of a joint. The first implant can include medial and lateral markers. The second implant can include a medial marker reader to identify the medial markers and a lateral marker reader to identify the lateral markers to provide positional data of the first implant with respect to the second implant. The second implant can include a medial load sensor to measure medial load data and a lateral load sensor to measure lateral load data. A processor coupled to the medial marker reader, the lateral marker reader, the medial load sensor, and the lateral load sensor can transmit the positional data, the medial and lateral load data to an external source.

The present disclosure provides an orthopedic implant that can include an intramedullary stem transition region that fits in the bony intramedullary canal. The transition region can run as a monolithic piece between the implant body and the intramedullary stem, with a squared cross-section away from the implant body and a circular cross-section close to the stem body. The transition region can allow for higher implant strength with reduced rotation for the implant.

Patient-adapted articular repair systems, including implants, instruments, and surgical plans, and methods of making and using such systems, are disclosed herein. In particular, various embodiments include methods of selecting and/or designing patient-adapted surgical repair systems using parameterized models and/or multibody simulations.

Methods of selecting and implanting prosthetic devices for use as a replacement meniscus are disclosed. The selection methods include a pre-implantation selection method and a during-implantation selection method. The pre-implantation selection method includes a direct geometrical matching process, a correlation parameters-based matching process, and a finite element-based matching process. The implant identified by the pre-implantation selection method is then confirmed to be a suitable implant in the during-implantation selection method. Methods of implanting meniscus prosthetic devices are also disclosed.

A method for providing sub-elements of a multipart implant or a multi-part osteosynthesis prior to introducing same into a human and/or animal body, involves: A) detecting data of a patient for whom the implant and/or the osteosynthesis is intended; B) generating a model using the detected data; C) generating manufacture specifications for at least two or more sub-elements which can be combined so as to form an implant and/or an osteosynthesis on the basis of the generated model, said manufacture specifications comprising C1) a dimensioning of the sub-elements; and D) manufacturing the sub-elements on the basis of the manufacture specifications. The sub-elements can be assembled together so as to form an implant or an osteosynthesis.

The invention relates to a joint implant part of a joint endoprosthesis. The joint implant part comprises at least one first volume region, at least one second volume region and at least one third volume region. The at least one first volume region defines a bone contact surface region with at least one bone contact surface. The at least one second volume region defines a joint surface region with at least one joint surface. The at least one third volume region comprises neither a bone contact surface nor a joint surface. A modulus of elasticity in the at least one first and/or in the at least one second and/or in the at least one third volume region changes continuously or substantially continuously or discontinuously in at least one spatial direction.

A method for preopcratively characterizing an individual patients biomechanic function in preparation of implanting a prosthesis is provided. The method includes subjecting a patient to various activities, recording relative positions of anatomy during said various activities, measuring force environments responsive to said patient's anatomy and affected area during said various activities, characterizing the patient's biomechanic function from said relative positions and corresponding force environments, inputting the measured force environments, relative positions of knee anatomy, and patient's biomechanic function characterization into one or more computer simulation models, inputting a computer model of the prosthesis into said one or more computer simulation models, and manipulating the placement of the prosthesis in the computer simulation using said patient's biomechanic function characterization and said computer model of the prosthesis to approximate a preferred biomechanical fit of the prosthesis.

Patient-adapted articular repair systems, including implants, instruments, and surgical plans, and methods of making and using such systems, are disclosed herein. In particular, various embodiments include methods of selecting and/or designing patient-adapted surgical repair systems using parameterized models and/or multibody simulations.

A method for preoperatively characterizing an individual patient's biomechanic function in preparation of implanting a prosthesis is provided. The method includes subjecting a patient to various activities, recording relative positions of anatomy during said various activities, measuring force environments responsive to said patient's anatomy and affected area during said various activities, characterizing the patient's biomechanic function from said relative positions and corresponding force environments, inputting the measured force environments, relative positions of knee anatomy, and patient's biomechanic function characterization into one or more computer simulation models, inputting a computer model of the prosthesis into said one or more computer simulation models, and manipulating the placement of the prosthesis in the computer simulation using said patient's biomechanic function characterization and said computer model of the prosthesis to approximate a preferred biomechanical fit of the prosthesis.

A method for providing sub-elements of a multipart implant or a multi-part osteosynthesis prior to introducing same into a human and/or animal body, involves: A) detecting data of a patient for whom the implant and/or the osteosynthesis is intended; B) generating a model using the detected data; C) generating manufacture specifications for at least two or more sub-elements which can be combined so as to form an implant and/or an osteosynthesis on the basis of the generated model, said manufacture specifications comprising C1) a dimensioning of the sub-elements; and D) manufacturing the sub-elements on the basis of the manufacture specifications. The sub-elements can be assembled together so as to form an implant or an steosynthesis.