Mehdi Razavi,Christopher Alexander Arevalos,Maurice Alan Brewer
申请号：
US13468774
公开号：
US09078627B2
申请日:
2012.05.10
申请国别(地区):
US
年份:
2015
代理人:
摘要：
An introducer comprise a sheath for introducing a catheter into a blood vessel, a plurality of electrodes on the sheath, and an impedance assessment unit provided on the sheath and connected to the electrodes. The impedance assessment unit fixes one of a current or voltage across a first pair of the electrodes and measures the other of the current or voltage across a second pair of electrodes.
