Gravitational flow system for the sequential administration of m

Details Gravitational flow system for the sequential administration of m Gravitational flow system for the sequential administration of m

1981-01-09

1983-11-29

Truluck, Dalton L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

137113, 222145, 604126, 604 31, A61M 500

Patent

active

044175779

ABSTRACT:
A gravitational flow system for the sequential administration of medical liquids to a patient comprises a primary container connected to a primary tube, a secondary container connected to a secondary tube, and a combined air barrier and liquid sequencing valve which connects them and is in fluid communication with a common tube extending to the patient. A primary flow control device is positioned in the primary flow path and a secondary flow control device is positioned in the secondary flow path. In operation, the system dispenses primary liquid unless interrupted by a flow of secondary liquid. In that instance, primary liquid flow is cut off by an air capturing pocket. At the same time, a plurality of air barriers prevent infusion of air into the patient.

REFERENCES:
patent: 4237880 (1980-12-01), Genese
patent: 4250879 (1981-02-01), Muetterties
patent: 4316460 (1982-02-01), Genese et al.

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