Artificial intervertebral disc
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United States of America Patent
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-
Oct 17, 1995
Issued Date -
N/A
app pub date -
Feb 1, 1994
filing date -
Mar 29, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A prosthesis used for a damaged bone, an artificial articular cartilage or an artificial intervertebral disc being characterized in that the prosthesis is a composite body comprising polyvinyl alcohol hydrogel and ceramic or metallic porous body. With this prosthesis, PVA hydrogel enhances lubrication and shock absorbing functions, and the porous body allows the ingrowth and ossification of the bone tissue of a living body therein to affinitively connect said hydrogel to the bones of the living body.
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