Spinal disc nucleus implant
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United States of America Patent
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Issued Date -
Feb 24, 2005
app pub date -
Jul 1, 2004
filing date -
Jul 1, 2003
priority date (Note) -
Abandoned
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Abstract
A device and method for repairing spinal discs in which the nucleus has been damaged. A central section of the nucleus is cored out using a device which ablates the tissue using RF energy. A nucleus implant comprising a shape memory material is placed in the central section of the disc through a cannula, which implant is activated by body heat to expand and fill the central section, such that the implant emulates the functions and strength of the disc's natural nucleus.
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