Breathing equipment such as resuscitators

Details Breathing equipment such as resuscitators Breathing equipment such as resuscitators

1975-09-17

1977-07-26

Michell, Robert W.

Surgery

Truss

Pad

137102, A61M 1600

Patent

active

040375951

ABSTRACT:
Breathing equipment, for instance a resuscitator, adapted to supply ambient air or alternatively oxygen from a pressurized source, the equipment including non-rebreathing valve mechanism having inspiration and expiration ports, and arranged to assure automatic operation to effect oxygen "blow-by" under conditions of operation tending to close the expiration port, and thereby prevent undesirable build-up of pressure in the patient's lungs.

REFERENCES:
patent: 3009459 (1961-11-01), Ruben
patent: 3279487 (1966-10-01), Elam
patent: 3473529 (1969-10-01), Wallace
patent: 3474785 (1969-10-01), Jansson
patent: 3827451 (1974-08-01), Roob
patent: 3850171 (1974-11-01), Ball et al.

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