Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1998-09-21
2000-10-31
Drodge, Joseph W.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210 87, 21032165, 210929, 2104331, 604 67, 73 116, B01D 6120
Patent
active
061397482
ABSTRACT:
Methods and apparatus are disclosed for monitoring an infusion pump utilized in a dialysis machine for hemodiafiltration or hemofiltration. The apparatus includes a first flow circuit for a dialysis solution, including a flow meter, a second flow circuit for blood, the dialysis apparatus including a first chamber connected to the first flow circuit, a second chamber connected to the second flow circuit, and a semipermeable membrane separating the first and second chambers, a third flow circuit for withdrawing an infusion solution from the first flow circuit and delivering the infusion solution to the second flow circuit, the third flow circuit including the infusion pump, and a first valve for disconnecting the dialysis apparatus from the first flow circuit and connecting the infusion pump in series with the flow meter in the first flow circuit whereby the expected flow through the infusion pump can be compared with the measured flow through the flow meter.
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Patent Abstracts of Japan, 1-303157, Japanese Application No. 63-134142, Satoshi Shiroi, Method of Calibrating Dialysis Device, Dec. 7, 1989.
Ericson Bjorn
Esser Olle
Drodge Joseph W.
Gambro AB
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