Christopher Thomas Beeckler,Joseph Thomas Keyes,Rowan Olund Hettel
申请号:
US15895555
公开号:
US20180168726A1
申请日:
2018.02.13
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Cardiac catheterization is conducted using a probe having a balloon assembly, in which a spring has a resting axially elongated configuration and a torsed, axially shortened configuration. A balloon is twisted about the spring and mechanically linked to the spring. A flexible sheath is disposed about the spring within the balloon, the sheath and the wall of the balloon defining a chamber to contain a fluid flowing therein and thereout of the balloon.