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

1980-07-14

1982-02-23

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

A61M 500

Patent

active

043164609

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: 3886937 (1975-06-01), Bobo et al.
patent: 3993066 (1976-11-01), Virag
patent: 4223695 (1980-09-01), Muetterties

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