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Removal assist catheter for engaging IVC filter strut independent of strut orientation
专利权人:
Matt D. Pursley
发明人:
Matt D. Pursley
申请号:
US15480267
公开号:
US10631970B1
申请日:
2017.04.05
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A device for assisting in the removal of items endovascularly includes a catheter, an engagement head, and a pull rod. The pull rod has a proximal portion and a distal end connected to the engagement head. The pull rod is movable within the catheter to selectively extend and retract the engagement head from the distal end of the catheter. The engagement head is arranged to grab an item without regard to a particular orientation of the item. The engagement head has a generally cylindrical outer shape that corresponds to an internal surface of the catheter. The engagement head has a serrated proximal edge arranged to grab and hold an item against the distal end of the catheter, and an internal relief area located radially inwardly from said serrated proximal edge to aid in engaging an item.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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