Patellar implant and knee prosthesis incorporating such an implant
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United States of America Patent
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Oct 12, 2004
Grant Date -
May 1, 2003
app pub date -
Oct 29, 2002
filing date -
Oct 30, 2001
priority date (Note) -
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Abstract
A patellar implant for total or partial prosthesis of the knee joint incorporates an outer articular surface and an inner articular surface provided to cooperate respectively with an outer side and an inner side of a femoral trochlea or of a femoral prosthetic component. The inner and outer articular surfaces are separated by a transition ridge which is curved, as viewed from a front of the implant, so as to be concave facing the outer articular surface. The outer articular surface is concave in a plane parallel to a sagittal plane and in a transverse plane of the knee joint.
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