A cooling device for cooling a catheter, the cooling device comprising a main cooling unit adapted for supplying the catheter with a main cooling medium and a precooling unit adapted for precooling the main cooling medium before supply of the main cooling medium to the catheter, wherein the main cooling unit comprises a cooling pathway through which a fluid is guidable as the main cooling medium, and comprising a control unit adapted for automatically controlling the main cooling unit and the precooling unit to perform a predetermined cooling procedure, wherein the control unit is adapted for activating the precooling unit before activating a supply of the main cooling medium by the main cooling unit to the catheter.
