Femoral component for a knee joint prosthesis having a modular cam and stem
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United States of America Patent
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-
Jan 26, 1993
Issued Date -
N/A
app pub date -
Feb 10, 1992
filing date -
Apr 22, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A femoral component for a knee joint prosthesis having a modular cam which may be connected intraoperatively to provide posterior tibial subluxation resistance when the posterior cruciate ligament is sacrificed. The cam includes protrusions which engage with notches on the stem base to prevent rotation of the cam during use. A stem extension is connected to the stem base for clamping engagement of the cam body therebetween. A transverse opening may be formed in the stem base for providing access to the stem extension threads. The threads may then be malformed to prevent rotation of the stem extension relative to the extension.
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