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Pressure wave balloon catheter

A balloon catheter and pressure wave technology, applied in balloon catheters, catheters, medical science, etc., can solve the problems of poor balloon passability and large balloon cross-sectional size.

Pending Publication Date: 2022-01-21
SONOSEMI MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present application provides a pressure wave balloon catheter to solve the need in the related art to install wires and electrodes on the balloon catheter to generate pressure waves in the balloon, so that the cross-sectional size of the balloon is relatively large, resulting in the balloon being stuck in the blood vessel. The problem of poor passability at the lesion position

Method used

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Embodiment Construction

[0039] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0040] In the description of the embodiments of the present application, the terms "first" and "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implic...

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Abstract

The invention provides a pressure wave balloon catheter. The pressure wave balloon catheter comprises a catheter, a balloon, a first conductor and a second conductor. The balloon is arranged at the front end of the catheter, a closed space is formed by the balloon and the peripheral wall of the catheter, and the balloon is driven by the catheter to extend into vascular tissue; the first conductor is arranged in the catheter, the second conductor is adjacent to the peripheral wall of the catheter, and the first conductor and the second conductor are connected in series in a pulse circuit; a notch is formed in the peripheral wall, located in the balloon, of the catheter, and the notch is used for separating the second conductor to form an electrode; the electrode is used for discharging under the pulse voltage so as to generate pressure waves in the balloon. According to the pressure wave balloon catheter, the section size of the balloon catheter can be reduced, and the passing ability of the pressure wave balloon catheter in vascular tissue is improved.

Description

technical field [0001] The present application relates to the technical field of medical equipment, in particular to a pressure wave balloon catheter. Background technique [0002] Cardiovascular disease has always been one of the important factors of death in the world. In the past half century, with the development of medical knowledge and medical technology, the mortality rate of cardiovascular disease has been greatly reduced. Among these, balloon dilation angioplasty has played an important role in reducing morbidity and mortality from obstructive tubular artery disease. Traditional catheter-based interventional therapy usually uses percutaneous balloon angioplasty (Percutaneous transluminal angioplasty, PTA) to open calcified lesions in arterial and venous vessels. When the balloon is inflated to dilate the calcified lesion in the vessel wall, the balloon gradually releases the pressure until the calcified lesion ruptures; but at the same time, the pressure built up i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22A61M25/10
CPCA61B17/22012A61B17/22022A61M25/104A61M2025/109A61B2017/22001A61B2017/22025A61B2017/22051A61B2017/22069A61B2017/00137
Inventor 胡军刘斌李斌
Owner SONOSEMI MEDICAL CO LTD
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