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Weaved stent and woven stent system

A technology of braided wire and elastic metal, which is applied in the field of medical devices, can solve the problem that the braided stent is difficult to load drugs, and achieve the effect of enhancing fatigue resistance and radial support force

Pending Publication Date: 2021-06-25
SHANGHAI VASOLUTIONS MEDTECH 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 braided stent and a braided stent system to solve the problem that the braided stent is difficult to load drugs

Method used

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  • Weaved stent and woven stent system
  • Weaved stent and woven stent system
  • Weaved stent and woven stent system

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Embodiment Construction

[0042] The core idea of ​​the present invention is to provide a braided stent, on which a drug accommodating space for infusing drugs is formed, so that the braided stent can be used to make a drug-loaded stent.

[0043] The braided stent is formed by a braided wire spirally wound along an axis and interwoven with each other, the braided wire includes at least one elastic metal tube, the elastic metal tube has a first inner cavity, and the wall of the elastic metal tube A release hole communicating with the first inner chamber is opened.

[0044] The elastic metal tube in the embodiment of the present invention can be formed by capillary technology, and the cost of capillary technology is relatively low, and making holes in the tube is a relatively mature process, which makes it possible to use a braided stent to make a drug-loaded stent.

[0045] In order to make the purpose, advantages and features of the present invention clearer, the present invention will be further descr...

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Abstract

The invention relates to a weaved stent and a weaved stent system. The weaved stent system comprises the weaved stent, the weaved stent is formed by spirally surrounding weaved wires along an axis and interweaving the weaved wires, the weaved wires comprise at least one elastic metal tube, and the elastic metal tube is provided with a first inner cavity; and a release hole communicated with the first inner cavity is formed in the wall of the elastic metal tube. The first inner cavity can be used as a medicine containing space for filling medicine, and the medicine filled in the first inner cavity can be released from the release holes, so that the woven stent can be used as a base body of a medicine carrying stent, and the problem that an existing medicine carrying stent is poor in flexibility and fatigue resistance is solved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a braided stent and a braided stent system. Background technique [0002] Peripheral arterial disease (PAD) refers to atherosclerosis of peripheral arteries, which is associated with the risk of myocardial infarction, stroke, and vascular death. The incidence of PAD in the elderly population is high. With the development of vascular interventional technology, the main surgical treatment of PAD has gradually changed from open surgery to endovascular interventional surgery. [0003] The most commonly used interventional procedures for PAD are balloon dilatation and stent implantation, but most patients cannot obtain satisfactory long-term curative effect only through balloon dilation, so stent implantation is an important method for the treatment of PAD. At present, the stents used in the treatment of PAD are mainly self-expanding stents. [0004] There are two types of s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/90A61M31/00
CPCA61F2/90A61M31/002A61M2025/09183A61F2250/0068A61F2250/0098A61M25/09
Inventor 朱清朱永锋刘梦钦
Owner SHANGHAI VASOLUTIONS MEDTECH CO LTD
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