Pulse-wave-propagation-velocity-relating-information obtaining apparatus and blood-pressure-index measuring apparatus
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United States of America Patent
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May 20, 2003
Grant Date -
Jul 11, 2002
app pub date -
Jan 22, 2002
filing date -
May 6, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for obtaining information relating to a velocity at which a pulse wave propagates in a living subject, the apparatus including a first inflatable cuff and a second inflatable cuff which are adapted to be worn on two different portions of the subject, respectively, at least one cuff-pulse-wave detecting device which detects the pulse wave occurring to each of the first and second cuffs worn on the two different portions of the subject, and a velocity-relating-information obtaining device which obtains the information relating to the velocity, based on a time difference between a first time when the cuff-pulse-wave detecting device detects the pulse wave occurring to the first cuff, and a second time when the cuff-pulse-wave detecting device detects the pulse wave occurring to the second cuff.
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