Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

An integrated braided film-covered stent trimming process

A covered stent, integrated technology, applied in the field of medical devices, to achieve outstanding creativity and novelty, improve support performance and anti-slip performance, and solve the effect of loose edges

Active Publication Date: 2021-07-09
DONGHUA UNIV +1
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem of how to trim the integrated braided stent graft

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An integrated braided film-covered stent trimming process
  • An integrated braided film-covered stent trimming process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] In order to make the present invention more obvious and understandable, the preferred embodiments are described in detail as follows in conjunction with the accompanying drawings:

[0028] Such as Figure 1-2 As shown, the present invention provides an integrated braided film-covered stent edge trimming process, including the initial edge trimming process and the end end edge trimming process; including the following steps:

[0029] Step 1: Use a frustum-shaped braiding mold instead of a cylindrical mold at the initial stage of weaving, and only use metal fiber weaving at the initial stage of weaving to obtain the initial end bracket;

[0030] Step 2: When the stent is woven into the cylindrical part, the polymer fiber or yarn participates in the weaving;

[0031] Step 3: When the stent graft is woven to an effective length, the polymer fibers or yarns therein no longer participate in weaving, while the metal fibers therein continue to weave forward;

[0032] Step 4: ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an integrated braided film-covered stent edge trimming process, which belongs to the technical field of medical devices; it includes a starting edge trimming process and an end end edge trimming process; a "two-step finishing method" is used to mix metal and polymer fiber materials The one-piece braided stent graft has been trimmed. Through the "two-step finishing method" edge trimming process, the end of the integrated braided stent graft can be trimmed smoothly, and the supporting performance of the stent graft can be improved to a certain extent. The technique is simple, the practicability is strong, and the creativity is outstanding; the application of the present invention will be beneficial to promote the industrialization of the binary mixed braided integrated stent graft.

Description

technical field [0001] The invention relates to an edge trimming process of an integrated braided film-covered stent, which belongs to the technical field of medical devices. Background technique [0002] The traditional covered stent consists of three parts: the film, the stent, and the suture. The manufacturing process is as follows: the film and the stent are made separately, and then the film and the stent are connected by manual suture. Due to different suturing techniques and individual differences, manual suture often leads to very difficult quality control of the final product. The traditional manual suture production process of stent grafts has the defects of low production efficiency and uneven product quality; the process flow is not easy to achieve standardization and automation. However, the currently developed one-piece braided membrane-grafted stent directly weaves the bracket and the membrane-grafted stent at one time through a weaving method. Obviously, th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/86
CPCA61F2/86
Inventor 李志荣王璐郭爱军关国平王富军刘晓凤林婧李彦
Owner DONGHUA UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com