Intervertebral disc prosthesis with reduced friction
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United States of America Patent
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-
Jun 24, 2003
Grant Date -
N/A
app pub date -
Jun 7, 2001
filing date -
Dec 11, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An intervertebral disc prosthesis includes two opposing plates, a flexible seal extending between the two plates for forming a fluid-tight chamber between the two plates, a first fluid provided in the chamber, and a compressible body provided in the first fluid in the chamber, whereby the compressible body has greater resistance to compression forces than the first fluid.
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