Ceramic-Ceramic Articulation Surface Implants
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United States of America Patent
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Issued Date -
May 17, 2012
app pub date -
Jan 25, 2012
filing date -
Jun 14, 2001
priority date (Note) -
Abandoned
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Abstract
A prosthesis for articulation (e.g., hip or joint prosthesis) is provided, which includes a pair of articulation components respectively defining a pair of articulation surfaces movably engageable with each other. In some embodiments, each of the articulation surfaces is formed from a biocompatible ceramic (e.g., doped silicon nitride ceramic) having a flexural strength greater than about 700 Mega-Pascal (MPa) and a toughness greater than about 7 Mega-Pascal root meter (MPam0.5).
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