Tuned RF energy and electrical tissue characterization for selective treatment of target tissues
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United States of America Patent
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Dec 30, 2014
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app pub date -
Oct 18, 2007
filing date -
Sep 10, 2004
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Abstract
A catheter and catheter system can use energy tailored for remodeling and/or removal of target material along a body lumen, often of atherosclerotic material of a blood vessel of a patient. An elongate flexible catheter body with a radially expandable structure may have a plurality of electrodes or other electrosurgical energy delivery surfaces to radially engage atherosclerotic material when the structure expands. An atherosclerotic material detector system may measure and/or characterize the atherosclerotic material and its location, optionally using impedance monitoring.
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