POSTERIOR DYNAMIC STABILIZATION OF SPINE
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United States of America Patent
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app pub date -
Mar 15, 2011
filing date -
Jan 9, 2006
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Abstract
The present invention provides various interspinous vertebral implants and methods for using the same for dynamic stabilization of a spine. The interspinous vertebral implants of the present invention comprise a resiliently compressible body that is adapted for position between adjacent superior and inferior spinous processes, and an anchoring member that is affixed to the superior and the inferior spinous processes posterior to the resiliently compressible body. The anchoring member provides a compressive force while the resiliently compressible body provides a distraction. Without being bound by any theory, it is believed that the combination of the distraction and compressive forces created by interspinous vertebral implants of the present invention result in a rotational moment, which alleviates compression on the intervertebral disk.
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