System and methods for electrosurgical restenosis of body lumens
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United States of America Patent
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Jan 30, 2001
Grant Date -
N/A
app pub date -
Jun 13, 1997
filing date -
May 10, 1993
priority date (Note) -
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Abstract
The present invention comprises apparatus and methods for maintaining patency in body passages subject to occlusion by invasive tissue growth. The apparatus and methods of the present invention may be used to open and maintain patency in virtually any hollow body passage which may be subject to occlusion by invasive cellular growth or invasive solid tumor growth. Suitable hollow body passages include ducts, orifices, lumens, and the like, with exemplary body passages including the coronary arteries. The present invention is particularly useful for reducing or eliminating the effects of restenosis in coronary arteries by selectively removing tissue ingrowth in or around stents anchored therein.
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