Modular knee prosthesis

Details Modular knee prosthesis Modular knee prosthesis

1996-07-23

1998-07-21

Isabella, David

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

Implantable prosthesis

Bone

A61F 238

Patent

active

057829217

ABSTRACT:
A modular knee prosthesis includes a Morse taper post that is matable with a first portion of a femoral sleeve. A second portion of the femoral sleeve is joined with a femoral stem that is introducible within the medullary canal of a distal portion of a femur. In an exemplary embodiment, the modular knee prosthesis includes a femoral component, a bolt, and a Morse taper post. The femoral component has a superior surface, an inferior surface, and an aperture. The bolt includes a head portion engagable with the superior surface of the femoral component to inhibit movement of the bolt through the femoral component, and an elongate shaft portion that extends from the head portion of the bolt. The elongate shaft portion has a length sufficient to protrude through the aperture beyond the inferior surface of the femoral component. The Morse taper post is engagable with the elongate shaft portion of the bolt to retain the Morse taper post in a fixed position with respect to the femoral component and the distal end of the Morse taper post is introducible within a femoral sleeve.

REFERENCES:
patent: 4834758 (1989-05-01), Lane et al.
patent: 4944757 (1990-07-01), Martinez et al.
patent: 5370701 (1994-12-01), Finn

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