INTERSPINOUS IMPLANTS AND METHODS FOR IMPLANTING SAME
申请公布号:WO2008136877(A1)
申请号:WO2008US01231
申请日期:2008.01.30
申请公布日期:2008.11.13
发明人:HESS, HAROLD
分类号:A61F2/44
主分类号:A61F2/44
摘要: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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