Method and means for dialysis

Details Method and means for dialysis Method and means for dialysis

A - Human Necessities

61

M

A61M 1/16 (2006.01) G05B 13/04 (2006.01) A61M 1/36 (2006.01)

Patent

CA 2089380

ABSTRACT Means (1 ) for dialysis comprising a dialysis unit (11) which receives inputs of programmable machine parameters (U), a group of sensors (12) for measuring the patient parameters (Y) which have to be monitored, and a control unit (13) of the adaptive type which causes theses patient parameters to vary in a predetermined desired way (YD) is described. The desired changes are specified by the operator at the start of the session and can be modified during its course via a system-operator interface (14) which allows the operator to monitor the system completely. The control unit (13) is based on a mathematical model of the patient-dialysis unit system (5), for which the inputs are the machine parameters (U) and whose outputs are the patient parameters (Y) and it consists of an estimator (31) which estimates the parameters (K) in the model and a controller (32) which determines the vector (U) of the machine parameters which have to be passed to the dialysis unit (11) on the basis of the desired patient parameters (YD), the actual patient parameters (Y) and estimated patient parameters (K). Figure 2.

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