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ARTICLE |

FLOW REGULATOR FOR INTRAVENOUSLY ADMINISTERED FLUIDS

Boyd L. Mahuron, M.D
JAMA. 1952;150(10):1035. doi:10.1001/jama.1952.03680100077030.
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ABSTRACT

To the Editor:  —In regard to the flow regulator for intravenously administered fluids, described by Dr. Feldman in The Journal (149:1017 [July 12] 1952), I would like to suggest that Dr. Feldman's clamp be made with the projection between the thumbscrews of the movable bar as shown in the accompanying diagram (front and side views of simplified clamp). Doing this would permit both thumbscrews to turn in the same direction to regulate the flow. As originally shown, they would have to be turned in opposite directions to accomplish the desired coarse and fine adjustments. It is also suggested that right hand threads be used on the thumbscrews as shown here instead of left hand threads as shown in the original diagram.The simplified clamp permits turning thumbscrew B (coarse adjustment) and thumbscrew A (fine adjustment) in the same direction to accomplish the desired change of pressure on the tubing

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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