| 摘要 |
In a pulse wave velocity measurement device (10), reference times (T1, T2) for an ejection wave component (S1) and a reflected component (S2) of a pulse wave S are detected by a reference time detection unit (2), and amplitudes (W1, W2) of the pulse wave (S) that correspond to the reference times (T1, T2) for the ejection wave component (S1) and the reflected wave component (S2) are detected by a pulse wave amplitude detection unit (3). A pulse wave velocity detection unit (5) finds a velocity (PWV1) of the pulse wave (S) on basis of the reference times (T1, T2) for the ejection wave component (S1) and the reflected wave component (S2) and the amplitudes (W1, W2) of the pulse wave (S) that correspond to the reference times (T1, T2) for the ejection wave component (S1) and the reflected wave component (S2). Thus the pulse wave velocity can be measured with high accuracy in consideration of a difference between the pulse wave velocities of the ejection wave and the reflected wave which difference is caused by a difference between the amplitude of the ejection wave component (S1) and the amplitude of the reflected wave component (S2).
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