A method for providing animated feedback on an event state in a blood purification device is disclosed. The method includes detecting a pressed state of an active element on a graphical user interface of the device; triggering an event in the device in response to the detection of the pressed state of the active element; tracking the status of the triggered event, wherein said tracking includes detecting a plurality of states of the event, and wherein each detected event state is assigned a feedback representation variant at the active element; and setting the feedback representation variant at the active element as a user feedback indication in accordance with the detected event state. A device for performing the method is also disclosed.