Medical fastening system
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United States of America Patent
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Oct 20, 1998
Issued Date -
N/A
app pub date -
Aug 14, 1996
filing date -
Jul 23, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A medical fastening system for a modular knee prosthesis includes a femoral component having an aperture. A washer having an aperture alignable with at least a portion of the aperture in the femoral component engages the femoral component to inhibit movement of the washer through the aperture in the femoral component. A bolt engages the washer and an elongate shaft portion of the bolt protrudes from the femoral component through the aperture in the washer and the aperture in the femoral component to engage a Morse taper post or femoral stem. The configuration of the washer aperture, its location in the washer, and the orientation of the washer within the femoral component determine the fore and aft positioning of the Morse taper post or femoral stem. The Morse taper post or femoral stem can be provided with a canted base to angle the post or stem with respect to the femoral component.
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