04084606 is referenced by 147 patents and cites 4 patents.

A fluid transfer device is provided for administration of medicament to a patient. The device includes a plastic housing having a first inlet, a second inlet and an outlet, and an umbrella check valve coupling the inlets and outlets. The umbrella check valve is positioned so as to permit flow from the first inlet to the second inlet and from the second inlet to the outlet, but to block flow from the second inlet to the first inlet and from the outlet to both the first inlet and the second inlet.

Title
Fluid transfer device
Application Number
5/463221
Publication Number
4084606
Application Date
April 23, 1974
Publication Date
April 18, 1978
Inventor
Herbert Mittleman
Deerfield
IL, US
Agent
John P Kirby Jr
Paul C Flattery
George H Gerstman
Assignee
Baxter Travenol Laboratories
IL, US
IPC
G05D 9/00
View Original Source