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1. 发明申请

US20070225788A1 Device and method for placing a stent at the ostium of a blood vessel 审中-公开
标题翻译：将支架放置在血管的口处的装置和方法
公开(公告)号：US20070225788A1
公开(公告)日：2007-09-27
申请号：US11388161
申请日：2006-03-24
申请人： Robert Fischell , Tim Fischell , Malcolm Foster
发明人： Robert Fischell , Tim Fischell , Malcolm Foster
IPC分类号： A61F2/06
CPC分类号： A61F2/95 , A61F2002/821
摘要： A first aspect of the present invention is an ostial stent positioner that has the form of a wire for most of its length and having a cylinder with expandable legs situated at the positioner's distal end. The cylinder with its attached wire acts as an introducer sheath to introduce a stent delivery system with a stent into the artery that is to be stented. A second aspect of the present invention is a method for accurately placing a stent at the ostium of an artery that would have an ostial stenosis. Examples of such arteries that have ostial stenoses are the right and left main coronary arteries, a saphenous vein graft as used in coronary bypass surgery and the renal arteries. Each of these arteries has an ostium situated at the aorta.
摘要翻译：本发明的第一方面是一种口腔支架定位器，其具有大部分长度的线的形式，并且具有位于定位器的远端的具有可扩张腿的圆柱体。具有附接线的圆柱体用作引导器护套以将具有支架的支架输送系统引入到要被支架的动脉中。本发明的第二方面是一种将支架精确地放置在具有口腔狭窄的动脉的口处的方法。具有口腔狭窄的这种动脉的实例是右冠状动脉和左主动脉冠状动脉，用于冠状动脉旁路手术的隐静脉移植物和肾动脉。这些动脉中的每一个都具有位于主动脉的口。

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