A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/92
A61M 5/14 (2006.01) A61M 5/168 (2006.01)
Patent
CA 1065722
Title of the Invention PARENTERAL ADMINISTRATION SET WITH INTERNAL VALVE AND FLOW RESTRICTOR Abstract of the Disclosure A parenteral administration set, particularly for intravenous infusion of fluids, includes a drip chamber and a length of flexible intra- venous tubing connected therewith. A flow controlling valve is in the length of tubing and is operable between open and closed positions from exteriorly of the tubing to obtain a desired drip rate corresponding directly with the frequency of valve operation. A fixed flow restrictor is in the length of tubing to impart a predetermined back pressure to flow through the set, whereby the rate of drop formation in the drip chamber is controlled to a value to insure that only one drop will form and fall for each valve opening.
257776
Burke George K.
Lefevre Robert J.
Raines Kenneth
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