Surgery – Respiratory method or device – Ozone or ion generation
Patent
1978-05-03
1980-04-01
Michell, Robert W.
Surgery
Respiratory method or device
Ozone or ion generation
128214D, 137 68R, A61J 100
Patent
active
041956320
ABSTRACT:
An improvement in a fluid flow valve is disclosed. The valve comprises a combination of flexible tubing joined to a tubular member having a membrane closing off the passageway in the tubular member. A pointed spike having at least three radially projecting ribs extending longitudinally is located within the tubing adjacent the membrane and is movable by external manipulation of the tubing whereby the spike ruptures the membrane and creates a passageway permitting fluid to flow freely through the tubular member and adjoining tubing.
REFERENCES:
patent: 3110308 (1963-11-01), Bellamy
patent: 3685795 (1972-08-01), Caster
patent: 3796218 (1974-03-01), Burke et al.
Parker Wendell R.
Silverman Mark H.
Warner Willis L.
Allen Robert E.
Bradley Bertram
Cutter Laboratories, Inc.
Giblin James A.
Juten Milford
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