An integrated module for extracorporeal blood treatment has a flat-shaped support element which exhibits on an internal face thereof a complex of fluid distribution lines and on an external face thereof a high-flow dialyzer. An emitter region is defined at least in part by impurities of the first conductivity type contained in the base layer. The servers send information messages to terminating units for bringing the terminating units from session level to call level. An elastic coating layer is coated by way of an undercoat layer 4 on the tip-end faces of the protrusions 2a.