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THROMBUS REMOVAL SYSTEM AND PROCESS
专利权人:
NEXGEN MEDICAL SYSTEMS; INC.
发明人:
SOLAR, MATTHEW, S.,DE CICCO, DINO,PAGAN, CRAIG, J.,PERRY, GLENN,WITTFELDT, ANTHONY, A.,KUCHARCZYK, JOHN
申请号:
EP11760246
公开号:
EP2549937A4
申请日:
2011.03.24
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
A device capable of capturing and facilitating the removal of a solid obstruction in a vessel or tube, such as a thrombus in blood vessels (or stones in biliary or urinary ducts, or foreign bodies) uses a soft coil mesh with the aid of a pull wire or string to engage the surface of a thrombus, and remove the captured thrombus. The soft coil mesh is formed by an elongated microcoil element that forms the helical elements of a macrocoil element. The microcoil element provides a relatively elastic effect to the helical elements forming the macrocoil and allows for control of gripping forces on the thrombus while reducing non-rigid contact of the device with arterial walls. The use of multiple coil mesh elements, delivered through a single lumen or multiple lumens, preferably with separate control of at least one end of each coil, provides a firm grasp on a distal side of a thrombus, assisting in non-disruptive or minimally disrupted removal of the thrombus upon withdrawal of the device, with an extendable braid provided distally from the macrocoil to capture material distal of a deployed macrocoil.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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