Multi-pole synchronous pulmonary artery radiofrequency ablation catheter
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United States of America Patent
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Nov 28, 2017
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app pub date -
Mar 23, 2015
filing date -
Nov 13, 2012
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Abstract
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter includes an adjustment apparatus arranged on a control handle; a lead wire, a temperature sensing wire and a pull wire arranged in a cavity of a catheter body; and an annular ring connected to a flexible end of the catheter body. One end of the pull wire is connected to the flexible end and the other end of the pull wire is connected to the adjustment apparatus. The tension of the pull wire is adjusted through the adjustment apparatus to achieve radian control of the flexible end. A shape memory wire is arranged in the 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.
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