Electronic blood pressure device

Details Electronic blood pressure device Electronic blood pressure device

1979-04-23

1981-04-14

Jaworski, Francis J.

Surgery

Truss

Pad

A61B 502

Patent

active

042613680

ABSTRACT:
A blood pressure measuring and recording device that utilizes a piezoelectric crystal transducer for sensing the pressure of the blood in the brachial artery. The transducer is positioned in the cuff in an unrestricted manner whereby it in effect "floats". The cuff pressure and blood pressure coact to cause the crystal transducer to produce a waveform in which the relationship of the amplitudes of the positive and negative pulses indicate the systolic and diastolic pressures. Means are provided in the circuitry of the device for accurately distinguishing blood pressure pulses from spurious signals.

REFERENCES:
patent: 3308811 (1967-03-01), Gillette et al.
patent: 3906937 (1975-09-01), Arouson
patent: 4144879 (1979-03-01), Nakayama et al.
patent: 4174707 (1979-11-01), Link et al.
patent: 4181122 (1980-01-01), Ueda
Schulze, A. E. et al., "A System for Autom. Meas. and Dig. Display of Sys/Dias. Blood Pressures" Southwestern IEEE Conf. Record Apr. 1968, pp. 17F1-17F5.

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