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Novel balloon dilatation catheter

A technology for dilating catheters and balloons, which is applied in the field of medical devices, can solve the problems of insufficient vascular expansion and the transition of distal vascular expansion, etc., achieve the effect of small folding and pressing grip size, avoiding damage, and improving the crossing performance

Inactive Publication Date: 2016-07-20
XINKAINUO MEDICAL TECH SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a new type of balloon dilatation catheter with reasonable structure and good wall-attachment effect, so as to solve the problems caused by the existing new type of balloon dilation catheter when dilating bifurcated diseased blood vessels. Problems with distal vasodilation transition or insufficient proximal vasodilation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] figure 1 It is a structural schematic diagram of a new type of balloon dilatation catheter provided in the embodiment of the present application.

[0028] Such as figure 1 As shown, this new type of balloon dilatation catheter includes: balloon (1), inner tube (2), outer tube (3), imaging marker (4), stress diffusion tube (5) and connecting device (6 ); wherein: the outer tube (3) is a hollow structure, the distal end is sealed and fixed with the balloon (1), and the proximal end is sealed and fixed with the connecting device (6); the inner tube (2) is also a hollow structure and runs through the balloon ( 1) In the lumen of the outer tube (3), its distal end passes through the balloon (1) and is sealed and fixed with the balloon (1), its proximal opening is fixed with the connecting device (6), and the inner tube ( The proximal opening of 2) communicates with the outside world; the connection device (6) is arranged on the outside of the outer tube (3), and an injecti...

Embodiment 2

[0034] In Example 2 of this application, as image 3 As shown, the opening of the inner tube (2) can also be arranged on the side wall of the outer tube (3), and the guide wire is also passed through the distal opening of the inner tube (2) during the operation. The proximal end of the side wall pierces.

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Abstract

The invention discloses a novel balloon dilatation catheter for cardiovascular disease treatment in the field of medical instruments. The novel balloon dilatation catheter comprises a balloon, an inner tube, an outer tube, development marks, a stress diffusion tube and a connecting device. The balloon is divided into five segments including a first cone segment structure, a second cylinder structure, a second cone segment structure, a second cylinder structure and a third cone segment structure in sequence from the distal end to the proximal end. According to the novel balloon dilatation catheter, for the overall structure of the balloon, the diameter of the first cylinder structure is small, and the diameter of the second cylinder structure is large, so that it is avoided that when a dilatation operation is performed, the distal end of a bifurcation lesion blood vessel is dilated excessively, and consequently the blood vessel is damaged, or the proximal end of the bifurcation lesion blood vessel is not dilated sufficiently, and consequently the effect of the dilatation operation is affected, the adherence effect is better, and the probability of occurrence of postoperative thrombus or restenosis is reduced; by adopting the segmental structure design, the blood vessel or lesion penetrating performance of the balloon dilatation catheter can be improved.

Description

technical field [0001] The invention relates to a novel balloon dilation catheter used for treating cardiovascular diseases in the field of medical instruments. Background technique [0002] Cardiovascular and cerebrovascular disease is a common disease that seriously threatens the health of human beings, especially middle-aged and elderly people over 50 years old. The number of people who die from cardiovascular and cerebrovascular diseases in the world is as high as 15 million every year, ranking first among various causes of death. Cardiovascular and cerebrovascular diseases have become the number one killer with the highest cause of death. Nearly 3 million people die from cardiovascular and cerebrovascular diseases in my country every year, accounting for 51% of the total death causes in our country every year. The most important cause of vascular and arterial diseases is atherosclerosis, which causes narrowing and occlusion of blood vessels, leading to myocardial infar...

Claims

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Application Information

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IPC IPC(8): A61M25/10
CPCA61M25/1002A61M25/104A61M2025/1045A61M2025/1079A61M2210/12
Inventor 赵振心吴艳雪
Owner XINKAINUO MEDICAL TECH SHANGHAI CO LTD
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