Medical administration set enabling sequential delivery of two l

Details Medical administration set enabling sequential delivery of two l Medical administration set enabling sequential delivery of two l

1985-04-25

1986-03-04

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

137113, A61M 514

Patent

active

045739749

ABSTRACT:
A medical liquid administration set is disclosed for the sequential administration of two medical liquid sources which can be delivered at different liquid flow rates without readjustment of the administration set. The set includes first and second conduits for connection to first and second medical liquid sources, respectively. A cross-over branch places the second conduit in communication with the distal end of the first conduit. A common conduit extends downstream of the first conduit and cross-over branch. The common and second conduits are in communication at their downstream ends, just upstream of the set outlet. Separately adjustable liquid delivery rate control means are disposed on the common and second conduits to allow for separate delivery rates of the first and second liquid sources. One-way valves are disposed in the cross-over branch and the first conduit to permit liquid flow only in the downstream direction.
The administration set enables independent flow adjustment of the two liquid sources without readjustment of the set, without danger of patient air embolism and without a critical failure mode.

REFERENCES:
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patent: 4258712 (1981-03-01), Harms et al.
patent: 4324238 (1982-04-01), Genese et al.

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