Provided is a device for suctioning bodily fluids and for supplying a fluid substance to a human animal body, which device comprises a drive unit having a drive a pump head which is drivable by the drive and a connecting part which is releasably connectable to the drive unit and has a tube guide. The tube guide is realized in such a manner for receiving a tube that the tube, in combination with the pump head, forms a peristaltic pump by way of which the fluid substance is conveyable through the tube to the human or animal body. The pump head is incorporated in the connecting part, and the drive unit comprises a coupling element which is connected to the drive in order to couple the pump head to the drive.
