G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/49 (2006.01) A61M 1/16 (2006.01)
Patent
CA 2138354
A method for the determination of a significant parameter (Cb, D, K, Kt/V) of the progress of an extracorporeal treatment of blood carried out in an apparatus for treating blood provided with means for circulating the blood of a patient and a treatment fluid on both sides of the semipermeable membrane of a membrane exchanger, comprises the steps of: - successively circulating in the exchanger three treatment fluids having a characteristic Cd linked to at least one of the significant parameters of the treatment (Cb, D, K, Kt/V), the value of the characteristic in the first fluid upstream of the exchanger being different from the value of the characteristic in the second fluid upstream of the exchanger, the latter being itself different from the value of the characteristic in the third fluid upstream of the exchanger, - measuring in each of the three treatment fluids two values (Cd1 in, Cd1 out; Cd2in, Cd2out; Cd3in, Cd3out) of the characteristic (Cd), respectively upstream and downstream of the exchanger, and - calculating at least a value of at least one significant parameter of the progress of the treatment (Cb, D, K, Kt/V) from the measured values of the characteristic (Cd) in the first (d1), the second (d2) and the third (d3) treatment fluids.
Bene Bernard
Goux Nicolas
Gambro Hospal (schweiz) Ag
Gambro Hospal (suisse) Sa
Gambro Hospal (switzerland) Ltd.
Hospal Ag
Robic
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