Interspinous implants and methods for implanting same
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United States of America Patent
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Dec 13, 2011
Grant Date -
Feb 26, 2009
app pub date -
Jan 30, 2008
filing date -
May 1, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A spinal implant for treating lumbar spinal stenosis or as an adjunct to spinal fusion. The implant includes a body portion having an interior cavity. A plurality of locking wings are adapted and configured to move between a stowed position retracted within the interior cavity of the body portion and a deployed position extended from the interior cavity of the body portion. In the deployed position, the wings fix the implant in a selected interspinous space. A cable and wheel arrangement moves the plurality of locking wings from the stowed position to the deployed position and a ratchet/pawl assembly prevents backward movement of the wings.
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