Artificial joint bioprosthesis for mitigation of wear
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United States of America Patent
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Mar 9, 1999
Grant Date -
N/A
app pub date -
Jul 15, 1997
filing date -
Jul 15, 1997
priority date (Note) -
Expired
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Abstract
This invention relates to an acetabular cup having a substantially hemispherical ceramic concave surface comprising at least one debris reservoir thereon having a width of between 0.010 mm and 2 mm, and also to a ceramic hip joint prosthesis head whose outer surface comprises a similar debris reservoir.
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