Breathing apparatus having a flexible manifold connected between

Details Breathing apparatus having a flexible manifold connected between Breathing apparatus having a flexible manifold connected between

1995-06-07

1996-12-17

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820522, 12820525, 12820628, 12820712, A62B 902, A62B 904

Patent

active

055842895

ABSTRACT:
A self-contained breathing apparatus having two or more air storage cylinders, each of the cylinders in gas-flow communication with a flexible manifold which is in gas-flow communication with a facepiece. Preferably, the flexible manifold includes a manifold unit connected to a flexible conduit for each of the cylinders such that the manifold unit is located at least partially within an envelope defined by the cylinders. Preferably the other main high pressure operating components are also connected to the manifold unit, including the regulator, pressure gauge, cylinder valve and wheel, pressure relief rupture disk, and low pressure alarm such that they are at least partially, more preferably substantially, and most preferably totally disposed within an envelope defined by the exterior surfaces of at least two of the plurality of cylinders.

REFERENCES:
patent: 764709 (1904-07-01), Chapin et al.
patent: 2122897 (1938-07-01), Straw
patent: 2764151 (1956-09-01), Cupp
patent: 3791403 (1974-02-01), Folkerth
patent: 4062356 (1977-12-01), Merrifield
patent: 4383528 (1983-05-01), Eppolito
patent: 4440164 (1984-04-01), Werjefelt
patent: 4722333 (1988-02-01), Bartos
patent: 5396885 (1995-03-01), Nelson

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