Vahid Saadat,Christopher A. Rothe,Ruey-Feng Peh,Edmund A. Tam
申请号:
US15956068
公开号:
US20180228350A1
申请日:
2018.04.18
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A method of visually locating a vessel within a body lumen comprises displacing an opaque fluid with an inflatable member contained within an open area of a barrier or membrane. The method also comprises positioning the inflatable member against or adjacent to a tissue region at a first location and visually assessing the tissue region at the first location through the inflatable member. The method also comprises repositioning the inflatable member against or adjacent to the tissue region at a second location.