Elliptic acetabular component for a hip prothesis
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United States of America Patent
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-
May 9, 2000
Grant Date -
N/A
app pub date -
Sep 18, 1996
filing date -
Dec 16, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hip cup for use as an acetabular component in a hip prosthesis including a shell part having a partially convex outer surface. The shell part is insertable in a cavity having an inner surface that is substantially defined by the outer surface of a segment of a sphere. The outer surface of the shell part substantially corresponds to the outer surface of a part of an ellipsoid and has an apex. During positioning of the shell part in the cavity, the shell part has a circumferential edge contacting the longitudinal edge of the cavity, with a space formed between the inner surface of the cavity and the apex of the shell part. A tool has an end releasably attachable to the shell part and a striking end. A handle on the tool permits positioning the tool and shell part to the cavity and striking the end to enact the shell in the part in a selected position.
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Family
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