Universal joint prosthesis with cap
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United States of America Patent
Stats
-
Jun 1, 1982
Grant Date -
N/A
app pub date -
Jun 6, 1980
filing date -
Dec 22, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthesis for forming the spherical part of a hip joint with a calotte-shaped cap is disclosed. The inner surface of the prosthesis is provided with grooves and ribs which are evenly distributed over the circumference of the inner surface and extend along planes which, in turn, extend through the rotational symmetry axis of the outer cap surface. A sleeve having jacket is provided with holes is rigidly secured at the inner end of the inner cap surface on the cap and projects partly out of the latter. The ribbing of the inner cap surface and the sleeve permit the prosthesis to be firmly and durably secured in an operation on the bone without cement.
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Family
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