Patient Selectable Knee Arthroplasty Devices
AssigneeConforMIS, Inc.
InventorsWolfgang Fitz, Philipp Lang, Daniel Steines
Life of this patent
Estimating the term…
Abstract
Disclosed herein are methods and devices for repairing articular surfaces in a knee joint. The articular surface repairs are customizable or highly selectable for each patient and geared toward providing optimal fit and function. Kits are also provided to enable customized repairs to be performed.
Claims42
A method of selecting an articular implant having an inner surface for attachment to a bone of a patient's joint and an outer surface for providing an articular surface, the method comprising:
- obtaining electronic image data of the patient's joint;
- deriving a shape of the cartilage from the image data;
- determining a desired shape for at least a portion of the outer surface of the articular implant at least in part from the derived shape of the cartilage;
- selecting the articular implant from a library of implants such that at least a portion of the outer surface of the articular implant approximates the desired shape.
A method of designing an articular implant for attachment to a joint, the method comprising:
- deriving a shape of articular cartilage from electronic image data of the joint;
- determining a desired shape of at least a portion of the outer surface of the articular implant at least in part from the derived shape of the cartilage;
- and
- designing the articular implant such that the at least a portion of the outer surface approximates the desired shape.
A method of selecting or selecting an articular implant for repairing articular cartilage of a joint, the articular implant having an inner surface for facing bone and an outer surface for facing a cavity of a joint, the method including:
- obtaining an image of a joint, the image including shape information of the cartilage;
- deriving the shape of the cartilage from the image;
- selecting or selecting the articular implant with the outer surface of the implant selected, at least in part, from the derived shape.
A method of designing or selecting an articular implant for repairing articular cartilage of a joint, the articular implant having an inner surface for facing bone and an outer surface for facing a cavity of a joint, the method including:
- obtaining an image of a joint, the image including shape information of the cartilage;
- deriving the shape of the cartilage from the image;
- designing or selecting the articular implant with the outer surface of the implant designed, at least in part, from the derived shape.
A method of selecting an articular implant for resurfacing articular cartilage attached to underlying subchondral bone in a joint, the articular cartilage including a diseased articular cartilage surface, the articular implant having an inner surface for facing bone and an outer surface for facing a cavity of a joint, the method comprising:
- determining shape information of cartilage associated with the joint;
- deriving a desired shape of the outer surface of the articular implant from, at least in part, the determined shape of the cartilage;
- and
- selecting the articular implant such that the outer surface of the implant substantially matches the desired shape.
A method of designing an articular implant for resurfacing articular cartilage attached to underlying subchondral bone in a joint, the articular cartilage including a diseased articular cartilage surface, the articular implant having an inner surface for facing bone and an outer surface for facing a cavity of a joint, the method comprising:
- determining shape information of cartilage associated with the joint;
- deriving a desired shape of the outer surface of the articular implant from, at least in part, the determined shape of the cartilage;
- and
- designing the articular implant such that the outer surface of the implant substantially matches the desired shape.
Dependencies are inferred from the claim text.