Femoral hip-joint prosthesis with a logarithmically extending curvature
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United States of America Patent
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May 7, 2002
Grant Date -
N/A
app pub date -
Oct 14, 1999
filing date -
Feb 11, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A femoral hip-joint prosthesis having a tapered stem for implantation by cement. The prosthesis has a collarless shoulder at a proximal end and a stem extending therefrom to a distal end in tapered fashion. A logarithmically extending curvature of anterior and posterior side faces of a first subsidiary section of the stem combine with straight converging lines of a second subsidiary section of the stem to uniformly distribute pressure in the prosthesis within the femoral hip bone.
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