The invention is related to an apparatus comprising a needle hub comprising at least one channel configured to guide a liquid, especially a liquid drug component, a needle comprising a cannula configured to guide the liquid and a plate fixedly connected to one end of the cannula, wherein the plate is configured to interact with the needle hub for fixing the needle to the needle hub. The invention further is related to an apparatus comprising a cannula configured to guide a liquid, especially a liquid drug component, and a plate fixedly connected to one end of the cannula.