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DISPOSITIF DE THROMBECTOMIE ET ÉQUIPEMENT DE THROMBECTOMIE
专利权人:
LTD.;MICROPORT NEUROTECH (SHANGHAI) CO.;MICROPORT NEUROTECH (SHANGHAI) CO., LTD.;微创神通医疗科技(上海)有限公司
发明人:
XU, Qingshun,徐庆顺,NI, Zunzhang,倪尊张,JIN, Qiaorong,金巧蓉,XIE, Zhiyong,谢志永,JI, Jie,季杰,FAN, Yinping,范银苹,ZHANG, Yu,张宇,LUO, Qiyi,罗七一
申请号:
CNCN2014/072387
公开号:
WO2014/127738A1
申请日:
2014.02.21
申请国别(地区):
CN
年份:
2014
代理人:
摘要:
A thrombectomy device (300) and thrombectomy equipment (1) particularly adapted for thrombectomies in intracranial blood vessels. The thrombectomy device (300) is a mesh structure defining a tubular cavity and which can transform between a retracted position and a deployed position; the mesh structure of said thrombectomy device (300) is provided with a plurality of concave stems (321) having three-dimensional contours and projecting into the tubular cavity, either end of each such concave stem (321) being fixed to said mesh structure. The thrombectomy equipment (1) comprises a guide wire, an insertion rod (100), an outer sheath (2) and an internal tube (4) movable relative to same; the guide wire passes through the internal tube (4), which is sheathed within the outer sheath (2); said internal tube (4) is movable along the guide wire. The present thrombectomy equipment (1) further comprises an insertion rod (100) connected to the thrombectomy device (300). The present thrombectomy device (300) and thrombectomy equipment (1) are able, after capture of a thrombus and during retrieval thereof, firmly to retain same, thus improving capture stability and preventing the thrombus from slipping away, thus avoiding such problems as distant blood vessels again being blocked by vascular plaque or broken fragments of thrombus. The equipment is compact and flexible.La présente invention concerne un dispositif de thrombectomie (300) et un équipement de thrombectomie (1) particulièrement adaptés aux thrombectomies de vaisseaux sanguins intracrâniens. Le dispositif de thrombectomie (300) est une structure de filet définissant une cavité tubulaire qui peut passer d'une position rétractée à une position déployée; la structure de filet dudit dispositif de thrombectomie (300) est dotée d'une pluralité de tiges concaves (321) ayant des contours en trois dimensions et se projetant dans la cavité tubulaire, l'une ou l'autre extrémité d'une telle tige concave (321) étant fixée à ladite st
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