Equipment sets having a combined air barrier and liquid sequenci

Surgery – Respiratory method or device – Ozone or ion generation

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55159, 137113, 222145, 128274, A61M 500

Patent

active

043242383

ABSTRACT:
Equipment sets for the sequential administration of medical liquids allow primary liquid to be administered at a flow rate independent of the flow rate of a secondary liquid. The sets include a combined air barrier and liquid sequencing device to prevent the inadvertent administration of air when secondary liquid is depleted. The device also prevents the flow of primary liquid when secondary liquid is being dispensed.

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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
patent: 4223695 (1980-09-01), Muetterties
patent: 4250879 (1981-02-01), Muetterties

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