A medical apparatus comprises a machine (2) for treatment of fluids providedwith means (3) for treating a patient-'sblood which exhibits a control unit (4) for sending command signals andreceiving information relating to the treatment underway on the patient. The machine further comprises an internet web server (11)containing a predetermined number of web pageswhich are remotely accessible and consultable via a common web browser (18).At least a web page reproduces the graphic userinterface on the display (6) of the medical machine (2) substantially in real-time. A plurality of further information and data relat-ing to the medical machine is further published in the web pages.