STENT FOR USE IN INTESTINAL TRACT, AND WEAVING METHOD THEREFOR

WIPO Patent Application WO/2023/045675

A1

A stent for use in the intestinal tract and a weaving method therefor. A head section and a tail section of the stent are both weaved by a process comprising: moving a first wire in a first V-shaped bending manner between two adjacent rows of positioning pins until all or half of the positioning pins in a first layer region or in a third layer region are wound, and in the case where half of the positioning pins in the first layer region or in the third layer region are wound, winding all the remaining positioning pins in the first layer region or in the third layer region with a second wire. A main body is weaved by a process comprising: moving the first wire in a second V-shaped bending manner between two adjacent rows of positioning pins in the last row of the first layer region, the first row of the second layer region, and the first row of the third layer region until all the positioning pins in the last row of the first layer region, the first row of the second layer region and the first row of the third layer region are wound.

GENG RAN (CN)
WANG JIABO (CN)
ZHANG XIANGYANG (CN)
FU ZHENZHONG (CN)

PCT/CN2022/114256

March 30, 2023

August 23, 2022

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MICROPORT UROCARE JIAXING CO LTD (CN)
MICROPORT UROCARE SHANGHAI CO LTD (CN)

A61F2/82; D04C1/06

WO2020194506A1	2020-10-01
WO2020148444A1	2020-07-23

CN106456308A	2017-02-22
CN103505310A	2014-01-15
US20180036155A1	2018-02-08
CN107530176A	2018-01-02
CN102973341A	2013-03-20
CN111118729A	2020-05-08
CN110545762A	2019-12-06
CN101184449A	2008-05-21
CN103975101A	2014-08-06
CN102670338A	2012-09-19

ADVANCE CHINA IP LAW OFFICE (CN)

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