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intraoperative stent

A technology of support segment and support ring, applied in the field of intraoperative stents, can solve the problems of limited end support strength, increased difficulty of anastomosis between tubular braid and blood vessel, and distortion of tubular braid shape.

Active Publication Date: 2021-10-12
LIFETECH SCI (SHENZHEN) CO LTD
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Problems solved by technology

[0005] At present, the end of the stent for special hybrid surgery is generally made of tubular braids such as polyester cloth or artificial blood vessels, resulting in limited support strength at the end.
After the stent is released, the shape of the tubular braid at the end of the stent is distorted, which increases the difficulty of anastomosis of the tubular braid with the blood vessel during the operation, prolongs the operation time, and prevents the patient from recovering cerebral perfusion in a short time

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[0029] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of descr...

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Abstract

The present invention relates to an intraoperative stent, which includes a stent main body and a tubular braid arranged at one end of the stent main body, and also includes a ring-shaped support member arranged inside the tubular braid, the ring A ring-shaped support piece surrounds the axial direction of the stent main body, and the ring-shaped support piece is spaced apart from the stent main body. In this operation, the radial support performance of the end of the stent is better.

Description

technical field [0001] The invention relates to the field of interventional medical devices, in particular to an intraoperative stent. Background technique [0002] Aortic disease is mainly divided into aortic dissection and aortic aneurysm. Aortic dissection and aortic aneurysm are extremely dangerous diseases, with a mortality rate of >50% within 48 hours of onset and >85% within two weeks of onset, which have seriously threatened human health. With the arrival of the aging trend in China, the incidence of aortic dissection and aortic aneurysm will continue to rise. [0003] At present, there are three main surgical methods for the treatment of aortic dissection and aortic aneurysm, namely traditional open surgery, endovascular interventional isolation surgery and hybrid surgery. [0004] Hybrid surgery is to release the stent in the lumen of the vessel under direct vision. This method of combining traditional surgery and endovascular isolation is called hybrid sur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/90
CPCA61F2/90A61F2002/823
Inventor 曹华肖本好黄新鑫
Owner LIFETECH SCI (SHENZHEN) CO LTD
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