Method and device for measuring pulse rate, blood pressure, and monitoring blood vessel access
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United States of America Patent
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Issued Date -
Jan 13, 2005
app pub date -
Jul 9, 2004
filing date -
Jul 10, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and device for measuring a patient's pulse rate and blood pressure and also the condition of the blood vessel access can be accurately monitored by identifying a frequency component of the pressure wave caused by the patient's heartbeat among other pressure waves in a fluid by frequency analysis. The method and device are used when a medical device is connected to the patient's blood vessel via a blood vessel access and has a mechanical device for applying pressure to a fluid to transport it to said blood vessel.
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