04077404 is referenced by 224 patents and cites 5 patents.

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.

Title
Breathing equipment such as resuscitators
Application Number
614030
Publication Number
4077404
Application Date
October 19, 1976
Publication Date
March 7, 1978
Inventor
James O Elam
Chicago
IL, US
Agent
Synnestvedt & Lechner
Assignee
H B W Medical Instruments Manufacturing Company
CA, US
IPC
A61M 16/00
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