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Distal and proximal asymmetric balloon restraint stent and high-stability balloon catheter with restraint stent

An asymmetric and balloon-based technology, applied in the direction of balloon-shaped catheters and catheters, can solve the problems of balloon expansion, deficiencies in structural strength, and large size, etc., and achieve excellent push performance, excellent use effect, The effect of smooth feeding and retracting

Pending Publication Date: 2020-01-31
HANGZHOU BARTY MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One of the technical purposes of the present invention is to provide an asymmetric distal and proximal end balloon-constrained stent, which solves the problem of large size, poor push, defects in structural strength, and easy deviation during balloon expansion of existing similar products. question

Method used

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  • Distal and proximal asymmetric balloon restraint stent and high-stability balloon catheter with restraint stent
  • Distal and proximal asymmetric balloon restraint stent and high-stability balloon catheter with restraint stent
  • Distal and proximal asymmetric balloon restraint stent and high-stability balloon catheter with restraint stent

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing, the present invention will be further described by specific embodiment:

[0026] An embodiment of a high-stability balloon catheter device, which includes a balloon (not shown in the figure) and a distal and proximal asymmetric constraining stent, the balloon is wrapped in the constraining stent, and the constraining stent The connecting ring 5 at the distal end of the balloon is fixedly connected to the distal end of the balloon, the connecting ring 4 at the proximal end of the balloon constraining the stent is fixedly connected to the proximal end of the balloon, and the tubular body 6 of the constraining stent is used to follow the contraction or expansion of the balloon And cooperate with the grid window on it to make the expanded balloon form convex part and concave part. The constraining stent fits closely with the balloon, and as the balloon expands, an inflatable structure is formed that is different from the tradi...

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Abstract

The invention discloses a distal and proximal asymmetric balloon restraint stent. The distal and proximal asymmetric balloon restraint stent comprises a plurality of first axial restraint rods, a plurality of second axial restraint rods, a plurality of radial restraint rings, a balloon proximal connecting ring and a balloon distal connecting ring, wherein the first axial restraint rods and the second axial restraint rods are circumferentially arranged at intervals, n2 second axial restraint rods are arranged at an interval of n1 first axial restraint rods, and the numerical value of n1 is larger than that of n2; the radial restraint rings are axially arranged at intervals and are connected with the first axial restraint rods and the second axial restraint rods; the balloon proximal connecting ring is connected with the first axial restraint rods; and the balloon distal connecting ring is connected with the second axial restraint rods. The product provided by the invention is simple instructure, high in strength and excellent in pushing performance, smooth feeding and withdrawing are realized, circumferential or radial deviation of a balloon in the expanding process is effectivelyprevented, and the product is worthy of popularization and application in the field.

Description

technical field [0001] The invention relates to the technical field of vascular interventional therapy, in particular to a far-near asymmetrical balloon-constrained stent and a high-stability balloon catheter with the constrained stent. Background technique [0002] For cardiovascular disease, balloon angioplasty is one of the most commonly used treatments. Traditional balloon catheters are made into inflated cylindrical balloons with different diameters and lengths according to the size of the patient's blood vessels and the length of the lesion. The working principle is: use the delivery system to place a balloon dilation catheter on At the lesion, after the balloon is inflated, the blood vessel is expanded to realize the expansion of the lumen. A balloon catheter as disclosed in the patent document with application number CN201621142062.7, including a balloon and an inner tube, the balloon includes a first expansion area and a second expansion area, and the diameter of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/10
CPCA61M25/104A61M25/1027
Inventor 陈丽君杜瑞林颜玉强
Owner HANGZHOU BARTY MEDICAL TECH CO LTD
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