Patent ID: 6406631
Filing Date: 2002-06-18
Classification: A61M,Y10S

Abstract:
In a blood dialysis system including a source of substitution fluid and a blood dialysis machine, a hemodiafiltration system comprising:a first dialyzer comprising: a first semi-permeable membrane partitioning said first dialyzer into: a first blood compartment having a first blood inlet which receives blood to be cleaned and a first blood outlet which expels partially diafiltered blood; and a first dialysate compartment having a first dialysate inlet and a first dialysate outlet; means for mixing said partially diafiltered blood with substitution fluid from said source to obtain a blood/substitution fluid mixture; a second dialyzer comprising: a second semi-permeable membrane partitioning said second dialyzer into: a second blood compartment having a second blood inlet which receives said blood/substitution fluid mixture and a second blood outlet which expels diafiltered blood; and a second dialysate compartment having a second dialysate inlet and a second dialysate outlet; and means for regulating filtration rates of said first and second dialyzers.