Ye Chen,Yuanpang Samuel Ding,Matthew Muller,Gert Najdeni,Joel Titus
申请号:
US14517460
公开号:
US09829366B2
申请日:
2014.10.17
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A medical fluid system includes a container holding a fluid at a level and a radio frequency level sensor operably connected to the container and including an emitting electrode and a receiving electrode, the electrodes operating as a transmission line having an electrical impedance that varies with the level or volume of the fluid in the container, the level sensor configured to measure a phase shift of the transmission line, the phase shift indicative of the level or volume of the fluid in the container.