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Thrombus removal system and process
专利权人:
James L. Pokorney
发明人:
James L. Pokorney,Stephanos Finitsis,John Kucharczyk
申请号:
US11974490
公开号:
US08603122B2
申请日:
2007.10.12
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A device capable of capturing and facilitating the removal of 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.
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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