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Stent hélicoïdal à flexibilité et capacité d'expansion améliorées
专利权人:
C.R. BARD; INC.
发明人:
申请号:
EP10177855.3
公开号:
EP2255750B1
申请日:
2003.08.26
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
A stent for insertion into a vessel of a patient, comprising: a tubular member having a first smaller diameter for insertion into the vessel, and a second larger diameter for deployment within the vessel, and defining a longitudinal axis, said tubular member including a central portion comprised of a plurality of helical circumferential windings separated by a helical space, each of said windings including a plurality of undulations, with each said undulation being defined by two adjacent struts and a loop connecting said struts, at least one cylindrical end portion at an end of said central portion and, a transition zones between said central portion and each of said cylindrical end portions, said transition zone including a plurality of transition undulations having struts that progressively increase in length, wherein a relatively longer strut of said transition undulations has a relatively wider width than a relatively shorter strut of said transition undulations.
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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