Respirator

Details Respirator Respirator

1987-01-29

1990-05-22

Hindenburg, Max

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820513, 12820517, 12820615, 12820912, A62B 1810

Patent

active

049268554

ABSTRACT:
A rescue type breathing apparatus which includes a hood and a face mask incorporated inside the hood. During a first phase of the inhalation cycle a breathing gas is supplied to the face mask from the gas container through a bladder. After the bladder has been emptied breathing gas in a second phase of the inhalation cycle is supplied from the hood and the gas container.

REFERENCES:
patent: 2800901 (1957-07-01), Monro
patent: 2871854 (1959-02-01), Lambertsen
patent: 3366108 (1968-01-01), Blackburn et al.
patent: 3565068 (1971-02-01), Bickford
patent: 3604416 (1971-09-01), Petrahai
patent: 3913576 (1975-10-01), Martin et al.
patent: 3976063 (1976-08-01), Henneman et al.
patent: 4294243 (1981-10-01), Ernsting et al.
patent: 4299216 (1981-10-01), Bernard et al.
patent: 4649912 (1987-03-01), Collins

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