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Flexible helical stent having different helical regions
专利权人:
Cordis Corporation
发明人:
Baillargeon, Brian P.,Marrey, Ramesh
申请号:
AU2011285812
公开号:
AU2011285812A1
申请日:
2011.08.02
申请国别(地区):
AU
年份:
2013
代理人:
摘要:
The present invention relates to tubular stents that are implanted within a body lumen. The stent (1500) has a cylindrical shape defining a longitudinal axis and includes a proximal helical section (1506), a distal helical section (1507) and an intermediate ring section (1520) there between. Each of the proximal and distal helical sections has of a plurality of longitudinally oriented strut members (1513) and a plurality of circumferentially oriented hinge members (1154) connecting circumferentially adjacent strut members to form a band, the band being wrapped about the longitudinal axis in a substantially helical manner to form a plurality of helical windings, wherein the distal helical section is wound about the longitudinal axis in the opposite direction from the proximal helical section. The intermediate ring section includes a plurality of longitudinally oriented strut members and a plurality of circumferentially oriented hinge members connecting circumferentially adjacent strut members to form an endless ring.
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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