Apparatus for measuring pulse-wave propagation velocity
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United States of America Patent
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Apr 9, 2002
Issued Date -
N/A
app pub date -
Dec 30, 1999
filing date -
Nov 6, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for measuring a propagation velocity of a pulse wave which is propagated through an artery of a living subject, the apparatus including an electrocardiographic-waveform detecting device which detects an electrocardiographic waveform from the subject, a pulse-wave sensor which is adapted to be worn on the subject and which detects the pulse wave from the subject, a time-difference determining device for determining a time difference between a first periodic point relating to the detected electrocardiographic waveform and a second periodic point relating to the detected pulse wave, and a propagation-velocity determining means for determining the propagation velocity of the pulse wave based on the determined time difference.
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