Oxygen mask apparatus

Details Oxygen mask apparatus Oxygen mask apparatus

1993-08-06

1995-07-04

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820418, 12820524, A62B 702

Patent

active

054291259

ABSTRACT:
An oxygen mask for providing a supply of oxygen to an occupant of a structure during a fire. The oxygen mask includes a pressurized gas cylinder coupled to a face mask for supplying oxygen to the user and can be operated by a removal of a safety pin and a subsequent actuation of a button which allows oxygen to flow into the face mask. A charge gauge is provided for indicating a charge status of the gas cylinder and alternate embodiments of the present invention include an eye cover assembly for protecting a user's eyes and a light assembly for illuminating an area in front of the user.

REFERENCES:
patent: 2818859 (1956-10-01), Peterson
patent: 2897817 (1959-08-01), Marina
patent: 4078561 (1978-03-01), Hanson
patent: 4233970 (1980-11-01), Kranz
patent: 4440163 (1984-04-01), Spergel
patent: 4582054 (1986-04-01), Ferrer
patent: 4702243 (1987-10-01), Smith
patent: 4938211 (1990-07-01), Takahashi et al.
patent: 4945458 (1990-07-01), Batts et al.
patent: 5243972 (1993-09-01), Huang
patent: 5357945 (1994-10-01), Messina

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