Atrial shunt

A shunt and atrial technology, applied in the field of medical devices, can solve the problems of increased left atrial pressure, life-threatening, arrhythmia, etc., and achieve the effects of not easy coagulation and thrombosis, strong compliance, and not easy to fall off

Pending Publication Date: 2017-03-22
SHANGHAI SHAPE MEMORY ALLOY
View PDF14 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, for patients with long-term atrial septal defect, the heart has adjusted the left and right atrial pressures

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
  • Atrial shunt
  • Atrial shunt
  • Atrial shunt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The atrial shunt of the present invention, the whole shunt is woven into a net by NiTi wire with memory function and super elasticity, and the two ends of the shunt are ligated by a steel sleeve and then heat-shaped. The shunt has good flexibility and can pass through the sheath. delivery. Such as figure 1 , figure 2 As shown, the diverter includes a right disk surface 1, a left disk surface 2 and a shorter waist 3, and the right disk surface 1 and the left disk surface 2 are parallel to each other. In the center of the two disk surfaces, there is a circular middle through hole c that penetrates the left and right disk surfaces (i.e., the right disk surface 1, the left disk surface 2) and the waist 3 (the two ends of the middle through hole c are the mesh ports 11 on the right disk surface and the left disk surface Net opening 21), the diameter of the waist 3 of the present invention is larger than the diameter of the middle through hole c on the right disk surface 1 an...

Embodiment 2

[0037] In this embodiment, such as image 3 As shown, one of the right disk surface 1 and the left disk surface 2 is inclined inward to form an included angle, which increases the firmness of the shunt on the atrial septum.

[0038] Others are the same as in Example 1.

Embodiment 3

[0040] In this embodiment, such as Figure 4 As shown, the right disc surface 1 and the left disc surface 2 are both inclined inward to form an included angle and clamp each other to increase the firmness of fixing the shunt on the interatrial septum.

[0041] Others are the same as in Example 1.

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 discloses an atrial shunt. The atrial shunt is characterized by comprising a right plate surface and a left plate surface which are connected through a waist part, the right plate surface and the left plate surface are provided with a net opening of the right plate surface and a net opening of the left plate surface respectively, the net opening of the right plate surface and the net opening of the left plate surface are communicated, the right plate surface is provided with a wired steel bushing, and the left plate surface is provided with a threaded steel bushing. The atrial shunt is high in adaptability, the sizes of stomas can be maintained, blood flowing is kept, and it is guaranteed that the stomas are not healed for a long time. The plate surfaces of the atrial shunt have certain clamping force on an atrial septum, and the atrial shunt can be stably fixed to the atrial septum and cannot easily fall off or shake. Endothelialization can be quickly achieved between faces, making contact with each other, of the atrial shunt and muscle of the atrial septum, and circulation performance of left and right interatrial holes is not affected. The atrial shunt does not occupy atria, and cannot cause coagulation and thrombi easily. By means of the atrial shunt, operations are convenient, and the atrial shunt can be used through conventional interventional operations.

Description

Technical field [0001] The invention relates to an atrial shunt, which belongs to the technical field of medical equipment. Background technique [0002] In some heart diseases, there will be significant differences in the pressure of the left and right heart chambers. For example, in patients with pulmonary hypertension, there is continuous right atrial hypertension and the right atrial pressure needs to be reduced, otherwise it will lead to right heart enlargement and right heart failure. At this time, the defect can be created by room puncture, so that the right atrium blood flows to the left atrium, which can reduce the pressure of the right atrium and relieve the heart load. In another example, patients with diastolic heart failure have left atrial hypertension, left heart enlargement, and left heart failure. At this time, the atrial septal stoma can also be used to allow blood from the left atrium to flow to the right atrium. [0003] Atrial septal ostomy is a palliative me...

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): A61B17/00
CPCA61B17/0057A61B2017/00575
Inventor 曾凡艳李博杨永森朱兴刘光罗鹏陈娟蒲忠杰
Owner SHANGHAI SHAPE MEMORY ALLOY
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