Partially-covered ascending aorta stent

A technique of ascending aorta and membrane covering, applied in the field of implantable vascular filter, can solve the problem of inability to prevent, and achieve the effects of reducing the risk of re-rupture, sparse configuration, and reducing support and compression

Active Publication Date: 2017-12-01
SHANGHAI CHANGHAI HOSPITAL
View PDF12 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention patent discloses an aortic stent including connected covered stents and bare stents, but these aortic stents cannot be used for lesions where the dissection breach is located on the opposite side of the br

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
  • Partially-covered ascending aorta stent
  • Partially-covered ascending aorta stent
  • Partially-covered ascending aorta stent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 , 2 A partially covered ascending aortic stent shown includes a bare stent 1 and a membrane 2, the bare stent 1 includes 6 support rings 11, and the membrane 2 is covered on the bare stent 1, wherein : The body of the covering film 2 is rectangular, the width w of the covering film 2 figure 2 As shown, the membrane 2 covers part of the three supporting rings in the axial direction.

[0049] The four end points of the coating 2 are provided with development marks.

[0050] The axial end of the bare stent 1 is provided with an enlarged fixed end.

Embodiment 2

[0052] Such as image 3 The partially covered ascending aortic stent shown includes a bare stent 1 and a membrane 2, the bare stent 1 includes N support rings 11, and the membrane 2 is covered on the bare stent 1, so The main body of the coating 2 is rectangular, the width w of the coating 2

[0053] The four end points of the coating 2 are provided with development marks.

[0054] A pair of left sliding rails 3 and right sliding rails 4 parallel to each other are provided within the same circumferential range of the bare bracket 1;

[0055] The film 2 is respectively provided with a left sliding button 5 and a right sliding button 6 on both sides in its length direction;

[0056] The left slide button 5 slides on the left slide rail 3 , and the right slide button 6 slides on the right slide rail 4 , so that the covering film 2 is movably connected in the ax...

Embodiment 3

[0059] All the other are with embodiment 2, as Figure 4 As shown in the partially covered ascending aortic stent, the left slide rail 3 and the right slide rail 4 are respectively provided with limit levers 100 .

[0060] The covering film 2 is provided with a circumferential pull wire 7 in its width direction, and an axial pull wire 8 is arranged on the circumferential pull wire 7 , and the free end of the axial pull wire 8 is connected with a pull ring 9 .

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 the technical field of implantable blood vessel filters, and in particular relates to a partially-covered ascending aorta stent. The partially-covered ascending aorta stent comprises a bare stent body and a covering film, wherein the bare stent body comprises N supporting rings, the covering film covers the bare stent body, a body of the covering film is rectangular, the width w of the covering film is smaller than the perimeter c of the bare stent body, and the length of the covering film is smaller than the perimeter of the bare stent body. The partially-covered ascending aorta stent has the beneficial effects that the front and back position of the covering film can be longitudinally adjusted, the circumferential position of the covering film can be rotatably adjusted, finally, part of the covering film accurately covers a broken opening, then the lesion is treated, meanwhile, the bare stent body plays the roles of fixing the covering film, and supporting and reinforcing an interlayer blood vessel true lumen.

Description

technical field [0001] The invention relates to the field of implantable blood vessel filter, in particular to a partially covered ascending aortic stent. Background technique [0002] Aortic dissection (AD) refers to a partial tear of the inner wall of the aorta, and the blood in the aortic lumen enters the aortic media from the tear of the aortic intima, causing the media to tear and separate, and flow along the long axis of the aorta. Direction expansion, thus forming a pathological change of the true and false lumens of the aorta. The main harm is that the direct rupture of the false lumen or the rupture after the formation of an aneurysm causes massive hemorrhage and death, and the blood supply of important branches of the aorta is interrupted during the formation of the dissection, resulting in severe ischemic function loss of important organs and serious complications or die. In recent years, the incidence of aortic dissection has increased significantly, and there ...

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
IPC IPC(8): A61F2/07
CPCA61F2/0077A61F2/07A61F2210/00A61F2230/00A61F2250/0098
Inventor 景在平周建李振江张磊秦锋赵志青冯睿冯家烜
Owner SHANGHAI CHANGHAI HOSPITAL
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap