Oblong acetabular cup
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United States of America Patent
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-
Mar 9, 1993
Grant Date -
N/A
app pub date -
Mar 7, 1991
filing date -
Mar 7, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An oblong acetabular cup which includes a cavity for receiving a bearing element is provided. The plane of the opening into the cavity is skewed relative to the prosthesis' longitudinal plane so as to achieve adduction correction, anteversion correction, or both adduction and anteversion correction. In certain preferred embodiments, the prosthesis is constructed from two components which can be oriented with respect to one another to achieve different directions and amounts of anteversion correction. In some embodiments, the two components form a cusp in the outside surface of the prosthesis. Surgical instruments and surgical methods for implanting the prostheses are disclosed.
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