Disposable smoke mask and apparatus

Details Disposable smoke mask and apparatus Disposable smoke mask and apparatus

1984-11-05

1986-01-21

Howell, Kyle L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820525, A62B 902

Patent

active

045651965

ABSTRACT:
A disposable smoke mask and apparatus comprising breathable gas or air contained under pressure in the canister and connected by a hose to the mask, and wherein breathable gas contained in the canister is released to the hose by means of a valve actuated by removal of a snap ring section to allow a spring under compression to actuate a plunger unit tube, to allow breathable gas to flow through a suitable orifice into the plunger unit tube and through another orifice in the top of the plunger unit tube, and the hose and into the mask.

REFERENCES:
patent: 2860634 (1958-11-01), Duncan et al.
patent: 3316907 (1967-05-01), Goupel
patent: 4090509 (1978-05-01), Smith
patent: 4098271 (1978-07-01), Maddock
patent: 4271833 (1981-06-01), Moretti
patent: 4365628 (1982-12-01), Hodel
patent: 4373522 (1983-02-01), Zien
patent: 4423723 (1984-01-01), Winkler
patent: 4440163 (1984-04-01), Spergel

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