Mechanical apparatus and method for delivering materials into the inter-vertebral body space for nucleus replacement
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United States of America Patent
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Aug 2, 2011
Grant Date -
Apr 23, 2009
app pub date -
Dec 16, 2008
filing date -
Jun 15, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a device and method to perform 1) disk fusing, 2) an artificial replacement of the nucleus, 3) artificial replacement of the annulus, or 4), an artificial replacement of both the nucleus and annulus. The device is designed to be placed into the inter-vertebral space following discectomy. The invention includes a delivery catheter and an expandable continuous mesh that has a torus configuration with a lumen within the mesh and a center hole. The mesh can be diametrically expanded in diameter into the disc space whereby various materials can be injected into the lumen and/or the center hole.
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