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Stent having helical elements
专利权人:
Scott J. Addonizio
发明人:
Scott J. Addonizio,David L. Camp, Jr.,Gary J. Becker,John D. Pazienza
申请号:
US12178915
公开号:
US08317852B2
申请日:
2008.07.24
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An expandable stent comprised of a plurality of helical segments is disclosed. In one embodiment, the stent is generally cylindrical in shape having a cylindrical axis, and comprises a first and second set of helical segments. The helical segments in the first set are substantially parallel and have a first pitch forming a first helical angle with respect to the cylindrical axis. The helical segments in the second set are also generally parallel to each other and form a second pitch that differs from the first pitch, thereby forming a second helical angle with respect to the cylindrical axis. In an alternative embodiment, the stent comprises one set of helical segments and a plurality of circumferential elements that are joined together by the helical segments to form a plurality of cylindrical elements which are joined together to form a stent body. The stent may also have endzones.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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