Acetabular cup prosthesis
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United States of America Patent
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-
Nov 13, 1990
Grant Date -
N/A
app pub date -
Oct 13, 1988
filing date -
Nov 11, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The acetabular cup prosthesis has a metal socket having a socket shell for receiving a spherical joint head as well as a plastic ring which covers the equatorial edge surface of the metal socket and which has an inner diameter corresponding to the inner diameter of the shell. In the event of a dislocation of the joint head, the polished surface of the joint head contacts the plastic ring to deform the ring without imposing a point load on the metal joint head.
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Family
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