Coated femoral stem prosthesis
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United States of America Patent
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Sep 1, 1998
Issued Date -
N/A
app pub date -
Oct 28, 1996
filing date -
Feb 1, 1994
priority date (Note) -
Expired
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Abstract
A femoral hip component for use in hip arthroplasty has a stem portion for contact with bone cement. The stem portion is formed from a biocompatible material having a surface finish of less than about four microinches. This surface is coated with a uniform layer of material selected from the group consisting of diamond-like carbon, chromium carbide, titanium nitride, titanium carbo-nitride, chromium and zirconium and a combination thereof.
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