Measurement of transmission velocity of pulse wave

A - Human Necessities – 61 – B

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A61B 5/02 (2006.01) A61B 5/0285 (2006.01)

Patent

CA 2060227

- 17 - MEASUREMENT OF TRANSMISSION VELOCITY OF PULSE WAVE ABSTRACT OF THE DISCLOSURE An apparatus for measuring a transmission velocity of a pulse wave includes a sensor for sensing heart sounds, and pulse wave signals at the upstream and downstream side of a blood flow, an analog to digital conversion unit a data processing unit, and a display unit. The data processing unit includes a first processor for detecting the first heat sound and generating a marker signal, second and third processors for transforming the received signals for a display thereof, a fourth processor responsive to the signals from the first, second, and third processors for detecting the marker signal and obtaining predetermined data from the data received, a fifth processor for receiving signals from the second and third processors and temporarily storing the received signals, a sixth processor for receiving signals from the fourth processor and measuring the transmission time of the pulse wave to derive the transmission velocity of the pulse wave, and a seventh processor for receiving the signal from the sixth processor and transforming the received signal for a display thereof.

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