Artificial Spinal Disc
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United States of America Patent
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Issued Date -
Dec 29, 2011
app pub date -
Sep 12, 2011
filing date -
Jun 30, 2004
priority date (Note) -
Abandoned
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Abstract
An artificial disc prosthesis is provided. The prosthesis of the present invention enables spinal segment alignment by having a variable height across its surface. The variable height is achieved by an asymmetric artificial nucleus or by at least one variable height end plate.
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