Gambro Lundia Ab

Stefano Severi

Paolo Rovatti

Enrico Ravagli

An apparatus for extracorporeal treatment of blood () comprising a treatment unit (), a blood withdrawal line (), a blood return line (), a preparation line () and a spent dialysate line (); a non-invasive blood volume sensor () for determining an additional property of blood is active on a tube segment () of the blood withdrawal line or of the blood return line; the sensor includes one source () for directing a signal towards the blood, a plurality of detectors () for receiving the signal, and a controller () receiving the output signals from the detectors () and determining a blood volume variation and a value of sodium concentration in the blood (Na) both based on the output signals. A process of determining at least one parameter and on property of blood circulating an extracorporeal blood circuit is also disclosed.

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Rimini, Italy

Stefano Severi