Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
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United States of America Patent
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Issued Date -
Jun 5, 2003
app pub date -
Jul 18, 2002
filing date -
Feb 13, 1996
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
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