A dialysis station including several patient places each of which is provided with a dialyzer and a video terminal. In an internal data network, the video terminals are interlinked with each other and with a server including a data base. At a physician place, the treatment course can be followed for each patient place. If necessary, the physician may intervene and prescribe a new or changed medication appearing on the video terminal of the patient place. After having administered the medicine, the nurse acknowledges the administration of the medicine. The dialogue taking place between physician and nurse is documented in the scope of the treatment course.