A device for administering fluid to a patient comprising: a fluid source for providing fluid, a patient end which is designed to connect to a patient, a continuous throughflow path connecting the fluid source and the patient end for continuously supplying fluid from the fluid source to the patient end, a bolus flow path connected to the fluid source and to the patient end and arranged in parallel to the continuous throughflow path for supplying the bolus dose of fluid, wherein the bolus flow path is provided with a bolus reservoir for storing the bolus dose and a manually adjustable throughflow contro, adjustable by an operating person, which is designed for manual adjustment of a flow rate, wherein the manually adjustable throughflow control is arranged in the bolus flow path parallel to the bolus reservoir.
