Equipment sets having a pilot liquid controlled primary tube val

Details Equipment sets having a pilot liquid controlled primary tube val Equipment sets having a pilot liquid controlled primary tube val

1979-02-28

1981-03-31

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128227, 137113, 222145, A61M 0514

Patent

active

042587123

ABSTRACT:
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 equipment sets of this invention have a primary tube valve controlled by pilot liquid diverted from the secondary liquid flow path.

REFERENCES:
patent: 788176 (1905-04-01), Traves
patent: 3633605 (1972-01-01), Smith
patent: 3886937 (1975-06-01), Bobo et al.
patent: 4105029 (1978-08-01), Virag
patent: 4116646 (1978-09-01), Edwards

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