Helical DeNervation Ablation Catheter Apparatus
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
Nov 5, 2013
filing date -
Nov 5, 2013
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Abstract
A catheter apparatus carrying RF ablation electrodes on a helically configured portion of a flexible tube that can be inserted into the femoral artery of a patient, advanced into a renal artery, and then be manipulated to properly position electrodes carried by the helical tube to contact the endoluminal surface of the artery. While instrumentally monitoring the endoluminal surface's temperature and impedance (measured with electrodes that are in an intimate contact with the surface), a low level of RF energy can be applied to selected sites on the interior (endoluminal) surface of the artery in order to ablate the renal sympathetic nerves without affecting the abdominal, pelvic, or lower-extremity nerves.
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