Devices and method for nucleus pulposus augmentation and retention
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United States of America Patent
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Aug 21, 2007
Grant Date -
Oct 17, 2002
app pub date -
Oct 25, 2001
filing date -
Aug 18, 1999
priority date (Note) -
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Abstract
Systems for minimally invasive disc augmentation include an anulus augmentation component and a nucleus augmentation component. Both are suited for minimally invasive deployment. The nucleus augmentation component restores disc height and/or replaces missing nucleus pulposus. The anulus augmentation component shields weakened regions of the anulus fibrosis and/or resists escape of natural nucleus pulposus and/or the nucleus augmentation component. Methods and deployment devices are also disclosed.
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