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Flow regulators designed to control the infusion rate through gravity intravenous administration infusion sets. These regulators typically consist of a mechanism that regulates the flow using a calibrated dial that permits control of the flow rate in a given range (e.g., from a few to 250 ml/h); the regulators may also include a lateral clamp for temporary interruption of the infusion or a check valve to permit parallel infusion. Dial-calibrated flow regulators are used in line with gravity infusion administration sets; some are available as an integral component of the gravity infusion set or an extension tubing set.
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