INJECTOR SYSTEM

The present disclosure relates to a pump injector containing a processor, a pump or a motor with advance for a piston which is suitable for driving liquid out of a container or a cartridge, a data storage device, and a device for data transfer, wherein the processor is electronically connected to the data storage device, to a control unit for the pump or motor, and to the device for data transfer. The injector is suitable for being connected to a container or a cartridge for fluid transfer, which contains a multiplicity of doses of a parenteral solution and has an additional data storage device fixedly connected thereto. The device for data transfer is suitable for reading out information from the additional data storage device on the container including at least one specification in respect to the identity of the product stored in the container or in the cartridge is stored in the container, a maximum dose per patient, and a maximum usage period after opening the container.