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Medical catheter

A catheter and catheter main body technology, applied in the field of medical catheters, can solve the problems of inability to locate the origin of arrhythmia, inability to analyze and diagnose parts of arrhythmia, inability to achieve good fit, effective cardiac mapping and accurate ablation of damage, etc. Achieve the effect of realizing the integration of mapping and ablation, improving the convenience of operation, and improving the effect of ablation

Pending Publication Date: 2022-08-02
SHANGHAI MICROPORT EP MEDTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, the PFA ablation catheter cannot effectively analyze and diagnose the site of arrhythmia, and cannot achieve a good location of the origin of the arrhythmia, and cannot achieve good adhesion, effective heart mapping, and accurate ablation damage.

Method used

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Embodiment Construction

[0031] In order to make the objects, advantages and features of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the accompanying drawings are all in a very simplified form and are not drawn to scale, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention. Furthermore, the structures shown in the drawings are often part of the actual structure. In particular, each drawing needs to show different emphases, and sometimes different scales are used. It should also be understood that unless otherwise specified or indicated, the terms "first", "second", "third" and other descriptions in the specification are only used to distinguish various components, elements, steps, etc. in the specification, rather than It is used to represent the logical relationship or sequence relationship among vari...

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Abstract

The invention provides a medical catheter which comprises a catheter body and a head located at the far end of the catheter body and connected with the catheter body, and the head comprises a net-shaped flexible tube structure and a plurality of electrodes arranged on the net-shaped flexible tube structure. The net-shaped flexible pipe structure comprises an annular flexible pipe and a plurality of linear flexible pipes, at least two ends of each linear flexible pipe are connected to the annular flexible pipe, and the linear flexible pipes do not intersect with one another. The head is of a net-shaped flexible tube structure and can deform according to different shapes of organ cavities, electrodes can be well attached to tissues while internal signal conduction is kept, and therefore an arrhythmia origin point is well positioned, a catheter is guided to a diseased region, and the digestion and fusion effect is improved. Besides, due to the net-shaped structure of the head part, high-density electrode arrangement can be adopted on the surface of the head part, so that the mapping and ablation integrated effect can be achieved, the operation convenience is improved, and the risk in the operation process is reduced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a medical catheter. Background technique [0002] Cardiovascular disease is a disease that seriously threatens human health, especially a common disease among middle-aged and elderly people over 50 years old, with high morbidity, disability and mortality. At present, minimally invasive interventional surgery has become a more effective method for clinical diagnosis and treatment of cardiovascular diseases such as tachycardia and arrhythmia. Coagulation necrosis achieves the effect of ablation in the form of heat release, but it has certain limitations. It lacks selectivity in the destruction of the tissue in the ablation area, and depends on the abutment force of the catheter, so it may cause damage to the adjacent esophagus, coronary Damage to arteries and phrenic nerves. Pulsed field ablation (PFA) is to selectively ablate cardiomyocytes by releasing pulsed field ener...

Claims

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Application Information

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IPC IPC(8): A61B18/14A61M25/00
CPCA61B18/14A61B18/1492A61M25/0068A61M25/0082A61B2018/1405
Inventor 储慧民沈磊梁波孙毅勇
Owner SHANGHAI MICROPORT EP MEDTECH CO LTD
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