Keeled prosthetic nucleus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 12, 2004
Grant Date -
Sep 18, 2003
app pub date -
Feb 26, 2003
filing date -
Mar 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthetic nucleus replacement embodiment of the present invention comprises a rounded shaped ceramic domed body with a receptacle in its bottom side. A keeled base of biocompatible metal is press-fit into the receptacle at any relative angle to complete a two-piece assembly. A keel part of the base especially is finished in porous coated metal and shaped to promote natural in-growth of bone from the inferior vertebrae.
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