Prosthetic disc and vertebral body replacement device having pyrolytic carbon bearing members
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United States of America Patent
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Issued Date -
Apr 8, 2004
app pub date -
Oct 4, 2002
filing date -
Oct 4, 2002
priority date (Note) -
Abandoned
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Abstract
A spinal motion device for implanting in the spine as a replacement for the natural disc, to permit motion between adjacent vertebral bodies or as a vertebral body replacement that permits motion at its ends. The spinal motion device comprises a composite structure formed by a body having at least one bearing member, made from a biocompatible material such as pyrolytic carbon, attached to a support surface thereof.
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