BEND-RESISTANT ARTIFICIAL BLOOD VESSEL AND METHOD FOR FABRICATION THEREOF

Title:

BEND-RESISTANT ARTIFICIAL BLOOD VESSEL AND METHOD FOR FABRICATION THEREOF

Document Type and Number:

WIPO Patent Application WO/2022/116794

Kind Code:

A1

Abstract:

Provided are a bend-resistant artificial blood vessel and method for fabrication thereof; the artificial blood vessel comprises a three-layer structure; the inner layer is an electrostatically spun fiber membrane; the outer layer is an irregular electrostatically spun fiber membrane; the middle layer is an anti-blood-permeation dense layer; the anti-blood-permeation dense layer comprises a first dense layer and a second dense layer; a spring-shaped helical ring sleeve structure of polymeric material is disposed between the first dense layer and the second dense layer; the combination of the two dense layers and the helical ring sleeve structure can effectively improve the bending resistance of the artificial blood vessel.

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Inventors:

LI JIARONG (CN)
WANG CHENHONG (CN)
HU SHUJUN (CN)
LIU SISHI (CN)
OUYANG CHENXI (CN)
LUO WEI (CN)

Application Number:

PCT/CN2021/130176

Publication Date:

June 09, 2022

Filing Date:

November 11, 2021

Export Citation:

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Assignee:

WUHAN YOUNGSEN BIOTECH CO LTD (CN)

International Classes:

A61F2/06; A61L27/16; A61L27/18; A61L27/40

Domestic Patent References:

WO2019103227A1

2019-05-31

Foreign References:

CN111150522A	2020-05-15
CN110548187A	2019-12-10
CN112472361A	2021-03-12
CN102917667A	2013-02-06
CN111304831A	2020-06-19
US20160207000A1	2016-07-21