Pressure relief valve for blood pressure measuring instrument

Details Pressure relief valve for blood pressure measuring instrument Pressure relief valve for blood pressure measuring instrument

1978-05-25

1980-04-29

Rosenthal, Arnold

Valves and valve actuation

Limit stop

Adjustable

251321, 128685, F16K 152, A61B 502

Patent

active

042002591

ABSTRACT:
A pressure relief valve for a blood pressure measuring instrument which is provided with a discharge mechanism for selectively discharging a small or large amount of compressed air. The discharge mechanism of simple structure is constituted from a small number of members including a valve member, a spring, an adjustment screw plug and a push button. A cuff pressure is automatically reduced at the predetermined reducing rate by rotating the adjustment screw plug during the measurement of blood pressure. Pushing of the push button also makes it possible to discharge at once the remaining cuff pressure after the measurement of blood pressure.

REFERENCES:
patent: 1848261 (1932-03-01), McIntyre
patent: 2960304 (1960-11-01), Goss
patent: 3823707 (1974-07-01), Hayes
patent: 4072171 (1978-02-01), Narazawa

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