Magnetic device applied to anastomosis of large and medium blood vessels

A magnetic device, large and medium-sized technology, applied in the field of medical devices, can solve the problems of aggravating the patient's body damage, blood vessel wall damage, and large surgical trauma, and achieve the effect of avoiding organ congestion and edema, promoting tissue healing, and good tissue healing.

Inactive Publication Date: 2011-05-25
XI AN JIAOTONG UNIV
View PDF4 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In traditional surgery, the manual anastomosis method proposed by Carrel is still used more than 100 years ago. Now it has become the mainstream vascular anastomosis technique, but it has not yet fully complied with the ideal principle of vascular anastomosis. Hemodynamics and internal environment are disordered, surgical trauma is large, and inflammatory mediators are released, especially when large and medium-sized arteries and veins need to be anastomosed during major operations, which can lead to organ congestion and edema due to long-term blockage of blood flow, resulting in anastomotic bleeding

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
  • Magnetic device applied to anastomosis of large and medium blood vessels
  • Magnetic device applied to anastomosis of large and medium blood vessels
  • Magnetic device applied to anastomosis of large and medium blood vessels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] The present invention will be described in more detail below in conjunction with the accompanying drawings.

[0012] Such as figure 1 As shown, the magnetic device suitable for anastomosis of large and medium-sized blood vessels is composed of two permanent magnet anastomosis rings, and each of the two permanent magnet anastomosis rings includes a hollow hole with the same shape and size and a hole diameter consistent with the diameter of the blood vessel 11 to be anastomotic 5 polypropylene cylindrical shell 2, the cylindrical shell 2 has a cylindrical annular groove 3 on one end face, so that the end face is divided into two parts, the outer end face and the inner end face by the groove 3, and the groove 3 is embedded with its A cylindrical ring-shaped permanent magnet 1 whose central axis coincides with the central axis of the cylindrical annular groove. The magnetic properties of the permanent magnets 1 of the two permanent magnets coincide with each other. One end ...

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 a magnetic device applied to the anastomosis of large and medium blood vessels. The magnetic device finishes the anastomosis of the blood vessels with different vessels diameters by utilizing two permanent magnet anastomosis rings comprising permanent magnets and corresponding to the vessel diameters of the large and medium blood vessels to be anastomosed so as to avoid the shortcomings of narrow lumens, false aneurysms, anastomotic stoma seepage, low anastomosis speed and great complication number caused by manual suturing anastomosis, avoids the shortcomings of narrow anastomotic stomas, blood seepage, hematorrhea caused by the slippage of ligatures, local tissue granuloma and pseudo artery formation because the two permanent magnet anastomosis rings are opposite to each other and smooth to realize the neat suture of intimae of the blood vessels, ensures the anastomosis speed which is increased by proximately over 10 times compared with manual anastomosis, and avoids blow flows of tissues and organs being blocked for long to cause the congestion and edema of the tissues and the organs to further cause anastomosis errhysis.

Description

technical field [0001] The invention relates to a medical device, in particular to a magnetic device suitable for anastomosis of large and medium blood vessels. Background technique [0002] In traditional surgery, the manual anastomosis method proposed by Carrel is still used more than 100 years ago. Now it has become the mainstream vascular anastomosis technique, but it has not yet fully complied with the ideal principle of vascular anastomosis. Hemodynamics and internal environment are disordered, surgical trauma is large, and inflammatory mediators are released, especially when large and medium-sized arteries and veins need to be anastomosed during major operations, which can lead to organ congestion and edema due to long-term blockage of blood flow, resulting in anastomotic bleeding Or postoperative secondary hemorrhage due to ligature slippage, postoperative local granulation tissue reaction and hyperplasia may also be caused by the ligature remaining in the body, whic...

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): A61B17/115A61L31/02A61L31/04
Inventor 吕毅刘仕琪雷鹏马佳王善佩董鼎辉
Owner XI AN JIAOTONG UNIV
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