An injection apparatus includes an injector head (110) and a console (150) having a touch screen display, performing following procedures: (a) displaying icons of a plurality of imaging-regions on the display;(b) when one icon of imaging-region is selected, reading an injection time associated with the imaging-region;(c) determining an contrast medium volume to be injected into the patient;(d) determining an injection rate of the contrast medium based on the determined contrast medium volume and the injection time;(e) displaying a thumbnail image (175) on the display, the thumbnail image including a graph of an injection condition showing a relationship between the injection time and the injection rate; and(f) when a certain icon on the display and/or a certain hard button on the injector head is pressed, starting a mode for an injection in accordance with the injection condition.