Hinged orthopaedic prosthesis

Details Hinged orthopaedic prosthesis Hinged orthopaedic prosthesis

2011-04-05

2011-04-05

Stewart, Alvin J. (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

Reexamination Certificate

active

07918893

ABSTRACT:
An orthopaedic prosthesis includes a tibial bearing, a femoral component, and a hinge post coupled to the tibial bearing and the femoral component. The hinge post includes a medial and lateral axle. A pair of bushings are coupled to the axles and received in an internal chamber of the femoral component. The prosthesis may also include a plug received in the internal chamber and positioned to secure the hinge post to the femoral component. The femoral component is configured to rotate about an axis defined by the axles. In some embodiments, the femoral component may include a housing and a patella bearing separate from the housing.

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