Systems and methods for treating spinal pain
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United States of America Patent
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Oct 22, 2002
Issued Date -
N/A
app pub date -
Oct 11, 2000
filing date -
Jul 16, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides systems and methods for selectively applying electrical energy to a fissure or tear location within an invertebral disc. The present invention applies high frequency (RF) electrical energy to one or more active electrodes in the presence of electrically conductive fluid to heat and seal a fissure on an annulus fibrosus. In one aspect of the invention, a method is provided for treating the fissure by applying sufficient electrical energy to the disc tissue to seal the fissure. In one embodiment, the RF energy is directed through the conductive fluid to heat the tissue immediately surrounding the fissure. The RF energy is sufficient to vaporize at least a portion of the fluid in contact with the active electrode. In another embodiment, the electrical current is directed through the tissue to directly heat the annulus tissue. This causes the annulus tissue to contract and seal the fissure. In a specific configuration, a sealant is added to the fissure to enhance the seal.
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Family
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