Press fit acetabular cup and associated method for securing the cup to an acetabulum
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United States of America Patent
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-
Sep 30, 2003
Issued Date -
N/A
app pub date -
May 16, 2001
filing date -
Oct 3, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An acetabular cup and method of securing the acetabular cup to an acetabulum so as to provide a bearing surface for a head portion of a femur is provided. The acetabular cup is shaped to provide a cementless, press-fit into a reamed acetabulum. The acetabular cup is formed of a body having a sidewall defining a radius from a center point of the annular rim to the sidewall wherein the radius increases in length from the apex to said annular rim. The method of securing the acetabular cup first includes reaming the acetabulum with a reamer having a head with a radius of curvature that is less than the radius from the center point to the annular rim of the acetabular cup.
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