Arterial pressure measuring apparatus

Details Arterial pressure measuring apparatus Arterial pressure measuring apparatus

1984-03-28

1986-07-01

Howell, Kyle L.

Surgery

Truss

Pad

128667, A61B 502

Patent

active

045973938

ABSTRACT:
An arterial pressure measuring apparatus which comprises in combination a cuff adapted to be applied to a portion a human body where arterial pressure is measured, a light emitting diode, a phototransistor, a transducer, a pump for the control of the cuff, a control unit for the pump, a transducer for measuring the pressure of the cuff, a current control circuit for the light emitting diode, a DC amplifier circuit, an AC amplifier circuit for the output of the phototransistor and an operation circuit.

REFERENCES:
patent: 2826191 (1958-03-01), Burns
patent: 3585987 (1971-06-01), Svensson
patent: 4030485 (1977-06-01), Warner
patent: 4425921 (1984-01-01), Fujisaki et al.
patent: 4427013 (1984-01-01), Nunn et al.

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