Patent ID: 6966979
Filing Date: 2005-11-22
Classification: A61M

Abstract:
1. An infusion control device for controlling infusion of a liquid in an extracorporeal blood circuit, comprising: an arterial pipe connected to an inlet of a blood compartment of a filter, the arterial pipe being also connected to a pre-dilution pipe of an infusion circuit; a venous pipe connected to an outlet of the blood compartment, the venous pipe being also connected to a post-dilution pipe of said infusion circuit; and a control unit configured to control the distribution of an infusion flow rate in said arterial and venous pipes based on a monitoring of at least one quantity correlated with the operating conditions of the filter; wherein said quantity comprises a transmembrane pressure value; and wherein said transmembrane pressure value includes a mean trans-membrane value: calculated from four pressures measured at the inlet and outlet of the blood compartment and at the inlet and outlet of a dialysis liquid compartment of the filter, wherein, TMP