Patent ID: 6802821
Filing Date: 2004-10-12
Classification: A61M,B01D

Abstract:
A dialyzer, comprising: a cylindrical body having a first end and a second end, the body having an interior with a set of semi-permeable microfibers extending from the first and to the second end; a dialysate inlet port proximate the first end and a dialysate outlet port proximate the second end; wherein the microfibers are encased in a first potting material at the first end and a second potting material of the second end, wherein the potting materials surround and encase the microfibers in the body, and the potting materials each have an interior surface with an undulating circumferential edge; a first annular shaped dialysate fluid distribution ring proximate the first end and a second annular shaped dialysate fluid distribution ring proximate the second end, the dialysate fluid distribution rings dividing the body interior from the ports, wherein the dialysate fluid distribution rings each have an undulating circumferential edge that are a substantially constant distance from the undulating circumferential edges of the potting material.