Method and apparatus for providing nutrition to intervertebral disc tissue
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United States of America Patent
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-
Feb 3, 2004
Grant Date -
Sep 12, 2002
app pub date -
May 10, 2002
filing date -
Aug 13, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An intervertebral disc is treated by providing supplemental nutrition to increase viability and longevity. In the preferred embodiment, the invention uses one or more porous stents that function to irrigate the disc space. The stents provide channels for diffusion of fluids and nutrients from the vertebral endplates. The stents may extend across the vertebral endplates to facilitate the transfer of nutrients and oxygen from the vertebral bodies.
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