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Catheter apparatus and methods for treating vasculatures
专利权人:
Roxwood Medical; Inc.
发明人:
Mark Taber
申请号:
US14596950
公开号:
US10471234B2
申请日:
2015.01.14
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A catheter apparatus may have a flexible shaft, guidewire lumens passing through the shaft, and a positioning device for positioning the guidewires relative to an external lumen. The positioning device may be an expansible scaffold covered with a retractable sheath. The positioning device may also be one or more balloons that are inflated through an inflation port in the shaft. The catheter apparatus may be operated by inserting a guide catheter into a vasculature with a chronic total occlusion, inserting the catheter apparatus into the guide catheter, and advancing the guidewires through the guidewire lumens and into contact with a chronic total occlusion. The positioning device may be activated before and/or between attempts to pass the guidewires through the chronic total occlusion to interrogate various parts of the chronic total occlusion.
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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