Methods for electrosurgical spine surgery
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United States of America Patent
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Mar 30, 2004
Issued Date -
N/A
app pub date -
Sep 30, 2002
filing date -
Feb 20, 1998
priority date (Note) -
Expired
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Abstract
The present invention provides systems and methods for selectively applying electrical energy to a target location within of a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more electrode terminals in the presence of electrically conductive fluid to remove, contract or otherwise modify the structure of tissue structures. In one aspect of the invention, a method is provided for treating herniated discs within a patient's spine by applying sufficient electrical energy to the disc tissue to reduce a volume of the disc, thereby relieving pressure on a spinal nerve. In one embodiment, the high frequency voltage is sufficient to ablate a portion of the nucleus pulposis, either the extruded portion outside of the annulus or a portion or all of the pulposis within the annulus. In another embodiment, the electrode terminal is advanced into the annulus and sufficient high frequency voltage is applied to contract or shrink the collagen fibers within the nucleus pulposis. This causes the pulposis to shrink and withdraw from its impingement on the spinal nerve.
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- 15 United States
- 10 France
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
ARTHROCARE CORPORATION | 7000 WEST WILLIAM CANNON DR BLDG ONE AUSTIN TX 78735 |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Davison, Terry S | Cupertino, CA | 34 | 6886 |
Eggers, Philip E | Dublin, OH | 235 | 68170 |
Thapliyal, Hira V | Los Altos, CA | 186 | 50020 |
Underwood, Ronald A | Belmont, CA | 23 | 6798 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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