Blood pressure monitor apparatus
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United States of America Patent
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Jul 7, 1998
Grant Date -
N/A
app pub date -
Apr 25, 1997
filing date -
May 2, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A blood pressure monitor apparatus including a blood pressure measuring device which includes a cuff and measures a blood pressure value of the subject by changing a pressing pressure of the cuff, a volume pulse wave detecting device which detects a volume pulse wave of the subject, a normalized pulse-wave area calculating device for successively calculating an area which is defined by a waveform of each of heartbeat-synchronous pulses of the volume pulse wave and is normalized based on a period and an amplitude of the each pulse of the volume pulse wave, a pulse wave area-blood pressure relationship determining device for determining a relationship between pulse-wave area and blood pressure, based on a normalized pulse-wave area value and a blood pressure value, when the blood pressure value is measured; and a monitor blood pressure determining device for successively determining a monitor blood-pressure value of the subject, based on each of normalized pulse-wave area values, according to the pulse wave area-blood pressure relationship.
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