Assembly of a ceramic head on a metal rod for a hip prosthesis
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United States of America Patent
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-
Oct 23, 1990
Grant Date -
N/A
app pub date -
Jun 28, 1989
filing date -
Jun 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An assembly of a ceramic head fixed to a rod, which assembly is a component of a hip prosthesis that has improved distribution of the stresses transferred from the rod to the ceramic head. The ceramic head includes a blind recess, generally in the shape of a truncated cone, into which the male end of the rod is nested, in which this nesting together is provided without play between the ceramic head and the end of the rod in only a portion of the depth of the recess, while in the remaining portion of the recess there is no contact between the ceramic head and the end of the rod.
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