The arrangement (10) e.g. pen injecting aid, has an adjusting unit for adjusting application quantity, and a storage provided for storing the application quantity. A recording unit records date and/or time, where the date and/or time are storable together with the adjusted dose. An adapter (27) includes a threaded rod (38) for an advancement of a syringe plunger (24) to different cartridges (20). A covering (28) is open on one side for receiving the cartridge, and includes an aperture at the other end for rotationally secure receivable of the threaded rod. An independent claim is also included for a network for transmission, storage and processing of data concerning the dosage of medicines.
