Metering apparatus with downline pressure monitoring system

Details Metering apparatus with downline pressure monitoring system Metering apparatus with downline pressure monitoring system

A - Human Necessities

61

M

340/140, 128/91

A61M 5/14 (2006.01) A61M 5/142 (2006.01) A61M 5/168 (2006.01)

Patent

CA 1164755

METERING APPARATUS WITH DOWNLINE PRESSURE MONITORING SYSTEM Abstract Metering apparatus (13) for metering the flow of fluid through an administration set (12) includes a peristaltic-type metering pump (23) which repeatedly and progressively compresses a section of vinyl tubing (18) of the administration set (12) to provide a desired flow rate. For improved metering accuracy the fluid is main- tained under pressure downline of the metering pump (23) by a downline occlusion station. A protective circuit responsive to the pressure in the tubing downline of the occlusion station stops the metering apparatus (13) and sounds an alarm in the event the pressure in the tubing exceeds a predetermined level, as in the event of an occlusion, downline of the metering apparatus (13) and upline of the patient.

384312

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