Apparatus for treating spinal discs
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United States of America Patent
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N/A
Issued Date -
Oct 10, 2002
app pub date -
Apr 6, 2001
filing date -
Apr 6, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatus and methods for treating a spinal disc are disclosed. An opening is created in the annulus fibrosis, and nucleus pulposus is removed from the interior of the disc. The interior is lined with a nonporous, bioabsorbable liner, and filled with a fill material, such as nucleus pulposus, to cause the liner to expand to engage tissue surrounding the interior. The liner may be a sheet of extra-cellular matrix material that is introduced into-the interior, or a bladder of extra-cellular matrix material including a neck communicating with an interior region of the bladder. The sheet or bladder may be carried by a delivery device, e.g., a catheter or rod. After the interior region is filled, the opening is closed using a plug or other closure device. The plug may include threads on its external surface for securing the plug in the opening.
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Family
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