Apparatus and method for shielding tissue during tumor ablation
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United States of America Patent
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Oct 12, 2004
Issued Date -
N/A
app pub date -
Sep 3, 2002
filing date -
Sep 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides methods, systems, and kits for protecting body tissues which are adjacent to tissues undergoing thermal treatment. The methods, systems, and kits are useful for thermally ablating tumors which lie at or near the surface of an organ, such as the kidney, pancreas, stomach, spleen, and particularly the liver. In radiofrequency and electrosurgical treatment, electrodes may penetrate and heat may dissipate into surrounding tissues and into tissue adjacent to the target organ, thus causing unwanted tissue damage. These risks and others may be lessened or avoided with the use of an interface shield between the target region and adjacent body tissues to shield surrounding organs and tissue from treatment effects.
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