Pressure limiting valve for ventilation breathing bag apparatus

Details Pressure limiting valve for ventilation breathing bag apparatus Pressure limiting valve for ventilation breathing bag apparatus

1992-08-03

1994-04-12

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820513, 12820524, A61M 1600, A61M 1500, A62B 902, F24F 500

Patent

active

053016670

ABSTRACT:
Pressure limiting valve for being inserted into ventilation gas apparatus which valve includes a first vent for venting ventilation gas present in the apparatus above a first pressure to provide pressurized ventilation gas delivered to a person with a peak inspiratory pressure during periods of inspiration substantially equal to the first pressure, and including a second vent for venting accumulating pressurized ventilation gas present in the apparatus from increasing above a second pressure less than the first pressure to establish a base line pressure for the pressurized breathing gas to which the person is exposed during periods between periods of inspiration.

REFERENCES:
patent: 4077404 (1978-03-01), Elam
patent: 4502481 (1985-03-01), Christian
patent: 5109840 (1992-05-01), Daleiden

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