1. A medical apparatus comprising at least a medical machine for fluid treatment comprising: means for treating a fluid; a control unit configured at least for sending command signals and for receiving information from the means for treating a fluid; a device for entering data to be supplied to the control unit for enabling a user to generate the command signals for the means for treating a fluid; a display for viewing at least a part of the information received from the control unit relating to the means for treating a fluid, the display of the medical machine visualizing a graphic user interface which shows at least a part of the information received by the control unit of the means for treating a fluid; a web server operatively cooperating with the control unit, the web server being configured to publish a predetermined number of web pages, at least one of which reproduces the graphic user interface shown on the display of the medical machine, the web pages further publishing a plurality of further data relating to the medical machine, the web pages being remotely accessible via connecting means and being consultable via a web browser, wherein the medical machine further exhibits remote access and control means which operatively cooperate with the control unit such that the remote access and control means are able to control one or more functions of the medical machine during fluid treatment, the remote access and control means being configured for enabling reproduction of the web server of the graphic user interface shown on the display in the web pages, and wherein the reproduction of the graphic user interface is updated at each predetermined variation of at least a parameter represented in the graphic user interface, wherein the graphic user interface is subdivided into a plurality of regions and the reproduction of each respective region is only updated at each predetermined variation of the parameter shown in the region, without updating regions in which the predetermined variation has not occurred.