Joint implant
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United States of America Patent
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-
Aug 18, 1987
Issued Date -
N/A
app pub date -
Apr 11, 1985
filing date -
Jul 21, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The mutually sliding members of a joint implant are each coated with a hard material selected from the group consisting of titanium carbide, oxicarbide, nitride, oxinitride, carbonitride and oxicarbonitride in order to improve the sliding, wear resistance and adhesion properties of the members. A hip joint prosthesis is provided having a socket bowl coated with titanium (oxi)nitride or titanium (oxi)carbonitride with a thickness of from 2 to 3 microns and an articular head coated with titanium (oxi)carbide or titanium (oxi)carbonitride with a thickness of from 2 to 3 microns.
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