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High strength low opening pressure stent design
专利权人:
Michael P. Meyer
发明人:
Michael P. Meyer,Alison Julson
申请号:
US12980750
公开号:
US08361140B2
申请日:
2010.12.29
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A stent has a plurality of expansion columns that extend in a radial direction to form a circumference of the stent and interconnected in the axial direction to form an overall axial length of the stent. Each expansion column has a plurality of first cells and a plurality of second cells that alternates along the expansion column with at least one first cell. Each first cell has at least two facing walls extending in the radial direction that have a first width. The second cells each have at least two facing walls that extend in the radial direction which have a second with greater than the first width. The first cell uses less force to open than the second cell, but upon opening provides increased radial strength by creating a substantially vertical cell wall.
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中国工程科技知识中心
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