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Intravascular hinge stent
专利权人:
William Joseph Drasler
发明人:
William Joseph Drasler,Joseph Michael Thielen
申请号:
US13199796
公开号:
US08585751B2
申请日:
2011.09.10
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A balloon or self expandable endoprosthesis formed of a single or multiple joined stent sections. Each section has a node and strut structure extending throughout in order to uncouple expansion forces of the stent to hold a blood vessel outward from crush forces that resist the formation of an oval shape during crush deformation. The hinge can bend in the direction of a uniformly curved surface of the stent but not in the radial direction. The strut can bend in the radial direction but not in the uniformly curved surface of the stent. The widths, lengths, and radial dimensions of the hinges and struts provide a balloon-expandable hinge stent that is non-crushable. For a self-expanding stent the hinge and strut dimensions provide expansion forces that are controlled independently from crush forces. Expansion properties are determined by the hinge dimensions and crush properties are determined independently by strut dimensions.
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中国工程科技知识中心
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