Intravenous-line flow-control system

摘要

An intravenous-line flow-control system for receiving a disposable cassette (15) disposed in the intravenous line. The system prevents the free flow of intravenous fluid through the cassette when the cassette is removed from the system. The system includes a control unit. The control unit includes a stepper motor (35) and turning means for turning a rotatable control valve (20) on the cassette in order to restrict variably the flow of fluid through the cassette. This enables the flow of fluid to be prevented when the cassette is removed from the control unit.
Furthermore, a plurality of flow-control moduls can be mounted on a stand being electrically interconnected.