The present invention provides a needle arrangement (10, 20, 30) comprising a plurality of injection needles (28, 29, 39), one or more needle containers (11, 21, 22, 31, 32) for the plurality of injection needles (28, 29, 39), each of the one or more needle containers (11, 21, 22, 31, 32) being structured to hold at least one of the plurality of injection needles (28, 29, 39), and a dedication of each of the plurality of injection needles (28, 29, 39) held in the one or more needle containers (11, 21, 22, 31, 32) to one of at least two predetermined dose sizes.
