Sequence valve for piggyback IV administration

Details Sequence valve for piggyback IV administration Sequence valve for piggyback IV administration

1984-11-29

1987-06-16

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604 67, 604250, 251 9, A61M 514, F16L 5514

Patent

active

046733892

ABSTRACT:
A piggyback IV administration system uses a solenoid actuated sequence valve to control the flow of fluid from a pair of IV fluid sources to the inlet of an IV pump or controller. The sequence valve pinches off a first tube while allowing fluid to flow through the second tube and then, in response to a control signal, changes state so that the second tube is pinched off and fluid can flow through the first tube unimpeded.

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