CATHETER DEVICE AND METHOD FOR DENERVATION
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United States of America Patent
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Issued Date -
Apr 11, 2013
app pub date -
Oct 5, 2011
filing date -
Oct 5, 2011
priority date (Note) -
Abandoned
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Abstract
A method for denervation comprises: introducing a distal portion of a catheter to an interior of a vessel of patient, the catheter including an elongated catheter body extending longitudinally between a proximal end and a distal end along a longitudinal axis, the catheter body including the distal portion at the distal end and a catheter lumen from the proximal end to the distal end; delivering optical energy via the catheter lumen to the distal portion of the catheter body; emitting an optical beam outwardly from the distal portion, through an optical emission port disposed in the distal portion of the catheter body; and forming at least one trench using the emitted optical beam with sufficient intensity to a depth into a vessel wall of the vessel sufficient to cause tissue removal and physically sever at least one nerve associated with the vessel wall at the depth within that depth range.
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