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Electrode device, medical catheter and ablation system

An electrode device and catheter technology, which is applied in the field of medical devices, can solve the problems of insufficient ablation of target tissue and inaccurate potential mapping.

Pending Publication Date: 2021-06-08
SHANGHAI MICROPORT EP MEDTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve at least one of the above-mentioned technical problems, the purpose of the present invention is to provide an electrode device, a medical catheter and an ablation system, which at least solves the problem that the current ablation energy field, especially the pulsed electric field, cannot concentrate on covering the target tissue and the target tissue is not ablated enough. Thorough or make potential mapping less accurate

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  • Electrode device, medical catheter and ablation system
  • Electrode device, medical catheter and ablation system
  • Electrode device, medical catheter and ablation system

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Embodiment Construction

[0049] In order to make the content of the present invention clearer and easier to understand, the present invention will be further described below in conjunction with the accompanying drawings. Of course, the present invention is not limited to this specific embodiment, and general replacements known to those skilled in the art are also covered within the protection scope of the present invention. Secondly, 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 used as a limitation of the present invention.

[0050] In addition, each embodiment of the content described below has one or more technical features respectively, but this does not mean that the inventor must implement all the technical features in any embodiment at the same time, or can only implement different embodiments separately. One or all of the technical ...

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Abstract

The invention relates to an electrode device, a medical catheter and an ablation system. The ablation system comprises the medical catheter and an energy output device, wherein the energy output device is used for outputting ablation energy to the medical catheter; the medical catheter comprises an electrode device; and the electrode device comprises a head electrode group, wherein the head electrode group comprises at least two head electrodes which are distributed in the circumferential direction, the at least two head electrodes are connected through a first insulator, and the electrode device is configured in a manner that any cross section of the electrode device comprises a section of at least two head electrodes, and therefore, more accurate and comprehensive ablation or mapping is realized.

Description

technical field [0001] The present invention relates to the technical field of medical devices, and more specifically relates to an electrode device, a medical catheter and an ablation system. Background technique [0002] Tissue ablation is a treatment commonly used to treat arrhythmias such as heart rhythms, including atrial fibrillation. Ablation of abnormal electrical propagation of myocardial tissue and / or ablation interrupts abnormal electrical conduction to repair the tissue. Radiofrequency ablation is currently a common method used clinically to treat arrhythmias such as atrial fibrillation. Radiofrequency ablation is to release radiofrequency current to cause coagulation necrosis of local endocardium and subendocardium, and achieve the effect of ablation in the form of heat release, but it has certain limitations, and it lacks selectivity in the destruction of tissue in the ablation area , and depends on the adhering force of the catheter, so it may cause damage t...

Claims

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Application Information

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IPC IPC(8): A61B18/14
CPCA61B18/1492A61B2018/00351A61B2018/00404A61B2018/00541A61B2018/00791A61B2018/00839A61B2018/1467
Inventor 沈磊刘梦瑶梁波孙毅勇
Owner SHANGHAI MICROPORT EP MEDTECH CO LTD
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