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Basket Catheter With Prestrained Framework

A pre-strain and frame technology, applied in the direction of catheters, applications, parts of surgical instruments, etc., can solve the problem of not achieving coverage

Active Publication Date: 2017-12-08
BIOSENSE WEBSTER (ISRAEL) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accordingly, such conventional basket-shaped electrode assemblies may not be spherical when deployed and may not achieve the desired coverage

Method used

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  • Basket Catheter With Prestrained Framework
  • Basket Catheter With Prestrained Framework
  • Basket Catheter With Prestrained Framework

Examples

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Embodiment Construction

[0025] First, it should be understood that the present disclosure is not limited by the specific exemplary materials, configurations, conventions, methods, or structures, as these can be varied. Therefore, although preferred materials and methods are described herein, many such options similar or equivalent to those described herein can be used in the practice of embodiments of the present disclosure.

[0026] In addition, it should be understood that the terms used herein are only for the purpose of describing specific embodiments of the present disclosure and are not intended to be limiting.

[0027] The specific embodiments listed below in conjunction with the accompanying drawings are intended as descriptions of exemplary embodiments of the present disclosure, and are not intended to represent the only exemplary embodiments in which the present disclosure can be practiced. The term "exemplary" used throughout this specification means "serving as an example, instance, or illustr...

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Abstract

A catheter having a basket-shaped electrode assembly at the distal end of the catheter body formed from a plurality of spines with electrodes. The plurality of spines are formed by a framework which is prestrained to have a diameter greater than the diameter of the expanded arrangement of the basket-shaped electrode assembly and a length less than the length of the expanded arrangement of the basket-shaped electrode assembly.

Description

Technical field [0001] The invention relates to an electrophysiological (EP) catheter for mapping and / or ablation in the heart. Background technique [0002] Nowadays, a cardiac catheter including an electrophysiological sensor for mapping the electrical activity of the heart is often used to perform the mapping of the electrical potential in the heart. Usually, the time-varying electric potential in the endocardium is sensed and recorded according to the position in the heart, and then used to map the local electrogram or local activation time. Due to the time required to conduct electrical pulses through the myocardium, the activation time of each point in the endocardium is different. The direction of this electrical conduction at any point in the heart is conventionally represented by an activation vector, which is perpendicular to the isoelectric activation wavefront, both of which can come from a map of activation time. The propagation velocity of the active wavefront thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/12A61B18/14A61B5/0408A61B5/042A61B5/296
CPCA61B18/12A61B18/14A61B2018/00571A61B2018/00351A61B2018/1417A61B2018/1467A61B5/25A61B5/287A61B5/6858A61B18/00A61B18/1492A61B2017/00526A61B2017/00867A61B2018/00083A61B2018/00267
Inventor S.吴S.民V.M.S.奥拉N.梅钱特
Owner BIOSENSE WEBSTER (ISRAEL) LTD
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