Safety apparatus for extracorporeal blood treatment

摘要: Blood purification device (100, 200) having an extracorporeal blood stream (102, 202) with a inflow (103, 203) to dialysis unit (105, 205) for removed from patient and outflow (104, 204) the being guided back into patient, wherein comprises (107, 207) solution dialysate (108, 208), characterized by control loop closed-loop of acid/base equilibrium blood, bicarbonate is supplied means aqueous bicarbonate-containing solution, at least one measuring (124, 124a, 224, 224a) buffer parameter associated loop, selected group consisting concentration CO 2 partial pressure, signal corresponding measured actual value can be apparatus (125, 225), which regulates supply predeterminable intended or range, pH-measuring (150a, 250a), arranged upstream in 202), pH-value alarm (130, 230), triggers if range exceeded undershot.