Avalanche survival vest

Details Avalanche survival vest Avalanche survival vest

1980-07-28

1982-12-28

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, 12820521, 12820716, A62B 702

Patent

active

043656285

ABSTRACT:
This invention, the snow avalanche survival vest consists of a vest to be worn around the chest by skiers, and mountaineers. It is designed to provide oxygen to breath and to serve as a flotation device to help victims survive if caught in an avalanche. The vest has a CO.sub.2 absorber chamber, a mouthpiece breathing hose, and a compressed oxygen cartridge which can be released instantly by biting hard on the mouthpiece hose or pushing a button on the mouthpiece hose. The vest has external air ports in the mouthpiece hose which allow breathing of external air until the O.sub.2 cartridge is activated. Bite or pushbutton activation of the vest also seals the external air ports instantly. Thus, the victim of an avalanche can breath oxygen while trapped under the snow and greatly increase his available rescue time.

REFERENCES:
patent: 59386 (1866-11-01), Goodwillie
patent: 374831 (1887-12-01), Harrington
patent: 439093 (1890-10-01), Barian
patent: 1814506 (1931-07-01), Davis
patent: 2444029 (1948-06-01), Bowen
patent: 2488261 (1949-11-01), Bedini
patent: 2852023 (1958-09-01), Hamilton et al.
patent: 3762407 (1973-10-01), Showerd
patent: 4163448 (1979-08-01), Grouard
patent: 4164218 (1979-08-01), Martin

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