Adjustable curved sheath tube and stent delivery device

By designing an adjustable bent sheath tube and a stent delivery device, the traction line and sheath tube adjustment components are used to achieve accurate release of the stent at the bent blood vessels, solving the problem of difficulty in releasing the stent in the prior art, and improving the treatment effect and operational convenience.

CN111374814BActive Publication Date: 2025-03-18HANGZHOU WEIQIANG MEDICAL TECH CO LTD
2 Cites 1 Cited by

Patent Information

Application Number
CN201811625262.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-12-28
Publication Date
2025-03-18
Estimated Expiration
2038-12-28

AI Technical Summary

Technical Problem

The prior art is difficult to effectively release the stent on the lesion vessel, especially at the curved vessels, which affects the therapeutic effect of vascular diseases.

Method used

An adjustable bent sheath tube and a bracket conveying device are designed, and the bent pipe body can be bent through the design of the traction line, and combined with the sheath tube adjustment assembly and the release assembly to achieve the precise release of the bracket.

Benefits of technology

This device can effectively release the stent to the curved blood vessels, improve the treatment effect of vascular disease, avoid damage to the blood vessel wall, and improve the convenience and safety of operation.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention provides an adjustable bending sheath tube for delivering a stent into a blood vessel, comprising: a flexible tube body; and a traction line, wherein one end of the traction line is fixedly connected to one end of the flexible tube body, and the other end of the traction line passes through the flexible tube body and passes into the flexible tube body until passing through the other end of the flexible tube body, and when the other end of the traction line is pulled, the traction line drives one end of the flexible tube body to approach the other end of the traction line to bend the flexible tube body. The present invention also provides a stent delivery device. The present invention provides an adjustable bending sheath tube and a stent delivery device that can effectively release a stent in a diseased blood vessel.
Need to check novelty before this filing date? Find Prior Art