MULTI-POLE SYNCHRONOUS PULMONARY ARTERY RADIOFREQUENCY ABLATION CATHETER
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Nov 13, 2013
filing date -
Nov 13, 2012
priority date (Note) -
Abandoned
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Abstract
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter, wherein an adjustment apparatus is arranged on a control handle; a catheter body is hollow, and a cavity is arranged therein; a lead wire, a temperature sensing wire and a pull wire are arranged in the cavity; one end of the catheter body is flexible, and the flexible end is connected to an annular ring; the annular ring is provided with an electrode group with each electrode connected to the lead wire and temperature sensing wire; the lead wire and temperature sensing wire go through the catheter body and are electrically connected to the control handle. The device uses cold saline perfusion method to protect the vascular intima and possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
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