Abstract: A pipette device comprising a plurality of multi-channels which are arranged in one or several rows or like a matrix in several rows and columns and which are connected to the tip of a pipette on the end side thereof. At least one separate micromembrane pump is associated with each pipette channel for dosed suction or discharge of fluids, said pump consisting of several disk-type microstructures which are placed on top of each other and between which a pump chamber is formed and wherein one of which is provided with a membrane which can be deformed by an actuating element.