ANTI-SLIP STENT

WIPO Patent Application WO/2019/198969

A1

The present invention relates to an anti-slip stent configured such that same does not slip on a lesion part due to the pressure of a moving body fluid, vibration of a human body, and an externally generated force while securing a sufficient space in which the body fluid can move. More specifically, the present invention relates to an anti-slip stent comprising a cylindrical body obtained by weaving or crossing a wire made of a super-elastic shape memory alloy in a hollow cylindrical shape such that multiple first space portions are formed therein, and multiple bent portions are formed on both ends thereof along the circumference thereof. The cylindrical body has a first enlarged tube portion formed thereon. The first enlarged tube portion has a diameter larger than that of the cylindrical body and has multiple second space portions formed therein with a size larger than that of the first space portions. The first enlarged tube portion has second enlarged tube portions formed on both ends thereof adjacent to the cylindrical body through heat treatment. The second enlarged tube portions have the same diameter as that of the first enlarged tube portion, and have multiple third space portions formed therein with a size similar to that of the first space portions. The second enlarged tube portions have stronger elasticity than that of the first enlarged tube portion.

WO/2001/060284	ENDOLUMENAL DEVICE FOR DELIVERING AND DEPLOYING AN ENDOLUMENAL EXPANDABLE PROSTHESIS
WO/2016/089664	APPARATUS AND METHODS FOR REMOVING AN OBSTRUCTION FORM A BODILY DUCT OF A PATIENT
WO/2017/118755	FIBROUS TUBULAR CONDUIT FOR STENTING APPLICATIONS

SHIN KYONG MIN (KR)
CHUNG HWAN HOON (KR)
KIM KYUNG JIN (KR)

PCT/KR2019/003947

October 17, 2019

April 03, 2019

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TAEWOONG MEDICAL CO LTD (KR)
SHIN KYONG MIN (KR)

A61F2/86; A61F2/07; A61F2/848; A61L31/02; A61L31/10

KR101602389B1	2016-03-10
US20180092767A1	2018-04-05
KR20110125785A	2011-11-22
KR101565108B1	2015-11-02
KR20170127862A	2017-11-22
KR20100042478A	2010-04-26

KWON, Tae Kyun (KR)

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