(주) 태웅메디칼; LTD;신경민;TAEWOONG MEDICAL CO.;TAEWOONG MEDICAL CO., LTD;SHIN, Kyong Min
发明人:
PARK, Sung Wook,박성욱,KO, Dong Su,고동수
申请号：
KRKR2016/007289
公开号：
WO2017/018682A1
申请日:
2016.07.06
申请国别(地区):
KR
年份:
2017
代理人:
摘要：
The present invention relates to a stent with an improved anti-slip function and, more particularly, to a stent for expanding an occluded lesion in a lumen of a body, comprising a cylindrical stent which has a plurality of space portions by weaving or crisscrossing a wire made of a super-elastic shape memory alloy in a hollow cylindrical mesh shape and a plurality of bent portions formed at both ends thereof in a circumferential direction and is heat treated, wherein the cylindrical stent forms a first artificial blood vessel layer, made of a PTFE material, which is in close contact with the inner surface thereof, and forms a plurality of second artificial blood vessel layers, made of a PTFE material, which are in close contact with a part of the outer surface thereof at a predetermined interval, and wherein a first artificial blood vessel layer and the plurality of second artificial blood vessel layers are heat-fused so as to be fused to each other while surrounding the cylindrical stent, thereby forming a plurality of first sections having a plurality of obstructed space portions and a plurality of second sections having a plurality of remaining unobstructed space portions, each of the plurality of first sections is inserted into and is caught by the pressing of a lesion site, and each of the plurality of second sections is caught by a lesion site inserted into the space portion.La présente invention concerne un stent ayant une fonction anti-glissement améliorée et, plus particulièrement, un stent pour dilater une lésion occluse dans une lumière d'un corps, comprenant un stent cylindrique qui comporte une pluralité de parties d'espace par tissage ou entrecroisement d'un fil constitué d'un alliage à mémoire de forme superélastique dans une forme de treillis cylindrique creux et une pluralité de parties fléchies formées aux deux extrémités de celui-ci dans une direction circonférentielle et est traité par la chaleur, le stent cylindrique formant une première couche
