Device (1) doctor to provide a plurality of treatment of blood or extracorporeal plasma in a filtration unit having a primary compartment and a secondary compartment, which are separated by a semipermeable membrane, being connectable primary compartment to a blood circuit primary extracorporeal being connectable secondary compartment to a secondary circuit, defining the primary circuit and the secondary circuit the extracorporeal circuit, being suitable device for receiving at least one disposable article which can be connected to the extracorporeal circuit, being equipped each disposable article with means a first station (2) receiving for items (100) disposable, which is designed to receive a container for infusion fluid for connection to the arterial line of circu -: storage containing information on the disposable article, the device comprising primary ito, - first means (3) reading associated with the first station (2) to identify an article (100) disposable can be received at the first station (2), - at least one second station (2 ) for disposable articles, it is designed to receive a liquid container of fresh dialysis for connection to the input of the secondary compartment of the filtration unit, - at least a second means (3 ) reading associated with the second station ( 2 ) for identifying an article (100) disposable can be received at the second station, - a third station (2 ") receiving for disposable articles, similar to stations first receiving and second and designed to receive a third disposable item, the third item a container for infusion fluid for connection to the primary circuit upstream or downstream of the first compartment of the filtration unit, - at least one third means (3 ") reading associated with the third station (2") to identify the disposable article that may be received at the third station, - a fourth station (2 " ) receiving for disposable articles, similar to the first three receiving stations and designed to collect a fluid vacuu
