Breathing hood

Details Breathing hood Breathing hood

1996-05-28

1998-03-10

Millin, Vincent

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820024, 12820029, 12820127, A62B 1700

Patent

active

057249580

ABSTRACT:
A breathing apparatus for survival gear is provided by a head receiving hood that is sealed over the head of the user and has sufficient volume to provide breathing air for at least a selected period of time while submerged and is made of a material that prevents the ingress of liquid water while being permeable to the flow of gasses therethrough whereby the supply of oxygen in the hood may be replenished and the carbon dioxide concentration reduced. A suitable waterproof transparent window is formed in the hood in the position which permits the wearer to see out of the hood and a gas passage spacer pad prevents the hood from collapsing into the breathing apertures of the user and provides passages communicating with the inside of the hood remote from the breathing passage.

REFERENCES:
patent: 896447 (1908-08-01), Hall et al.
patent: 4589408 (1986-05-01), Singer
patent: 5133344 (1992-07-01), Jurrius et al.
patent: 5226409 (1993-07-01), Bower et al.

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