Isolation valve

Details Isolation valve Isolation valve

1989-03-07

1991-04-09

Cohen, Lee S.

Surgery

Respiratory method or device

Means using rescuer's breath for supplying respiratory gas...

12820311, A61M 1600

Patent

active

050055682

ABSTRACT:
An isolation valve for use in administering mouth-to-mouth emergency artificial respiration includes a housing having a fixed inlet pipe and a rotatable outlet pipe, a bacteria filter permanently secured in the housing member around the periphery of the filter whereby all of the gas passing through the device must pass through the filter, and a one-way valve seated in the housing and cooperating with valve seats for opening and closing exhaust ports.

REFERENCES:
patent: 2280050 (1942-04-01), Alexander et al.
patent: 3018775 (1962-01-01), Wilson et al.
patent: 3208449 (1964-05-01), Bartlett, Jr.
patent: 3782083 (1974-01-01), Rosenberg
patent: 3932153 (1976-01-01), Byrns
patent: 4592350 (1986-06-01), Maryyanek et al.
patent: 4622964 (1986-11-01), Flynn

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