Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-02-28
1981-02-17
Truluck, Dalton L.
Surgery
Respiratory method or device
Ozone or ion generation
55159, 137113, 137183, 222145, A61M 500
Patent
active
042508797
ABSTRACT:
Gravitational flow system and equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervious to air to prevent the inadvertent administration of air when the secondary liquid is depleted. The sets of this invention employ a combined air barrier and liquid sequencing valve.
REFERENCES:
patent: 2999499 (1961-09-01), Willet
patent: 3216418 (1965-11-01), Scislowicz
patent: 3217711 (1965-11-01), Pecina et al.
patent: 3886937 (1975-06-01), Bobo et al.
patent: 3993066 (1976-11-01), Virag
patent: 4116646 (1978-09-01), Edwards
patent: 4136693 (1979-01-01), Dyke
Abbott Laboratories
Beiser Robert S.
Niblack Robert L.
Truluck Dalton L.
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