Haemodialysis filters: what's new?

Haemodialysis techniques rely on efficient haemodialyzers that are utilized as solute and water exchangers. The haemodialyzer design has not changed significantly for many years. Only recently optimization of the blood compartment design, of the membrane structure and of the dialysate compartment geometry have been sought. This paper briefly reviews the most recent advances in the design and construction of haemodialyzers and points out the clinical impact of such innovations.