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Cryoablation system and its electrophysiological catheter

A technology of electrophysiology and catheter, applied in the field of medical equipment

Active Publication Date: 2022-04-01
SHANGHAI MICROPORT EP MEDTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a cryoablation system and its method for implementing customized ablation

Method used

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  • Cryoablation system and its electrophysiological catheter
  • Cryoablation system and its electrophysiological catheter
  • Cryoablation system and its electrophysiological catheter

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Embodiment Construction

[0039] The present invention is described in detail using schematic diagrams, but these schematic diagrams are only for the convenience of describing the examples of the present invention in detail, and should not be regarded as limitations of the present invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification and the appended claims, the term "or" is generally employed in its sense including "and / or" unless the content clearly dictates otherwise. The term "proximal" generally refers to the end near the operator, and "distal" refers to the end away from the operator.

[0040] As mentioned in the background art, the prior art does not provide any technical solutions for realizing customized cryoablation.

[0041] After further research, in one embodiment, an electrophysiological catheter is provided, including a balloon, a cathet...

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Abstract

The invention relates to a cryoablation system and an electrophysiological catheter thereof. The electrophysiological catheter includes a balloon, a catheter body, a positioning sensor, and a heating element; wherein the balloon is arranged on the catheter body, and the catheter body also includes a cryogen output tube, and the distal end of the cryogen output tube is It is arranged in the balloon, and is used to input refrigerant into the balloon; the positioning sensor is arranged on the balloon and / or the catheter body, and is used to collect the first positioning information of the target tissue, so The first positioning information is used to determine the area to be heated; the heating element is arranged on the balloon to heat the area to be heated. The above-mentioned cryoablation system and its electrophysiological catheter can realize customized ablation.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a cryoablation system and an electrophysiological catheter thereof. Background technique [0002] Patients with atrial fibrillation have a high risk of stroke. When atrial fibrillation occurs, the atrium beats irregularly and rapidly, losing its systolic function, and blood easily stagnates in the atrium to form a thrombus. stroke. The therapeutic effect can be achieved by applying energy to the pulmonary vein through the interventional catheter to isolate the potential of the pulmonary vein. [0003] Hypertension has the characteristics of high incidence, low awareness rate and great harm. Experimental data have proved that hypertension is related to the high excitability of renal sympathetic nerve in patients. Blocking renal sympathetic nerves by ablation can not only lower blood pressure, but also have an impact on chronic organ-specific diseases caused by excessive...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B18/02A61B5/287
CPCA61B18/02A61B2018/00351A61B2018/0022A61B2018/00041A61B2018/00797A61B5/287
Inventor 梁波苗涛蔡丽妮沈磊赵丽孙毅勇
Owner SHANGHAI MICROPORT EP MEDTECH CO LTD
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