Spiral-shaped dialysis and ultrafilter device, especially for extracorporeal haemodialysis

摘要

An improved dialyzing and ultrafiltering device is disclosed, for extracorporeal blood dialysis, the main improvement comprising a more efficient connection means, a net for supporting the dialyzing membrane having a rectangular mesh-pattern with the weft threads of the net having an undulated arrangement. Improved means are disclosed for the assemblage of the apparatus and for ensuring reliable sealtightness.