Modular knee joint prosthesis
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United States of America Patent
Stats
-
Aug 21, 1990
Grant Date -
N/A
app pub date -
Apr 8, 1988
filing date -
Apr 8, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A femoral component base having a pair of laterally spaced apart condylar portions, each of which has an external surface that is smoothly convexly curved anterior-posteriorly to match generally the distal profile of the anatomical femoral condyle and smoothly convexly curved laterally throughout its antero-posterior extent. The external convexly curved surfaces engage the tibial component having a platform portion laterally with spaced apart concavities, each of which would receive one of the condylar portions of the femoral component to allow antero-posterior rotation between the components during use of the joint. The femoral component includes a modular member having adjustable plates for adjusting the position of the femoral component in response to the bone condition discovered during surgery. The tibial, femoral and modular components further include a triangular, ramp post and corresponding confined recess to limit flexion and undesirable lateral movement.
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