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Methods and systems for photoacoustic monitoring using indicator dilution
专利权人:
Daniel Lisogurski
发明人:
Daniel Lisogurski,Youzhi Li,Bo Chen
申请号:
US13308086
公开号:
US08886294B2
申请日:
2011.11.30
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A patient monitoring system may provide photoacoustic sensing based on an indicator dilution to determine one or more physiological parameters of a subject. The system may detect an acoustic pressure signal, which may include one or more thermo-dilution responses, one or more hemo-dilution responses, or a combination thereof, using one or more sensor units. The system may use multiple light sources and/or detectors to diagnose and/or improve signal to noise ratio, distinguish between arterial and venous signals, prevent under-sampling, and separate the effects of hemo-dilution and thermo-dilution.
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