Medical gas flow control valve, system and method

Details Medical gas flow control valve, system and method Medical gas flow control valve, system and method

1989-02-07

1991-03-26

Cohen, Lee S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820426, 12820524, A61M 1600

Patent

active

050020501

ABSTRACT:
An exhaust valve and method for use in medical ventilation and anesthesiology therapy wherein the valve combines gas delivery and controlled exhalation or exhaust functions; also certain medical gas administering systems incorporating the novel valve and method.

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patent: 3795257 (1974-03-01), Fabish et al.
patent: 3995625 (1976-12-01), Needham
patent: 4501271 (1985-02-01), Clifton et al.
patent: 4694825 (1987-09-01), Slemmer et al.

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