Snorkel

Details Snorkel Snorkel

1989-04-04

1990-01-30

Eickholt, Eugene H.

Surgery

Respiratory method or device

Artificial gill, or means for separating entrained air from...

12820111, A62B 700

Patent

active

048966649

ABSTRACT:
A snorkel device for breathing under the surface of water which will allow both inhaling and exhaling of air underwater. A multiplicity of water impermeable tubes, permeable to dissolved or gaseous oxygen, allow underwater passage of oxygen into the snorkel. Preferred tube material is porous expanded polytetrafluoroethylene.

REFERENCES:
patent: 3318306 (1967-05-01), Strauss
patent: 3333583 (1967-08-01), Bodell
patent: 3369343 (1968-02-01), Robb
patent: 3953566 (1976-04-01), Gore
patent: 3962153 (1976-06-01), Gore
patent: 4082893 (1978-04-01), Okita
patent: 4096227 (1978-06-01), Gore
patent: 4187390 (1980-02-01), Gore
patent: 4344427 (1982-08-01), Marvin
patent: 4482516 (1984-11-01), Bowman et al.
patent: 4605000 (1986-08-01), Anguita

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