Artificial spinal disc
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United States of America Patent
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Jan 24, 2012
Grant Date -
Jun 5, 2008
app pub date -
Jun 30, 2005
filing date -
Jun 30, 2004
priority date (Note) -
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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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