Dialyzer
US6802821B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2001 |
| Grant date | Oct 12, 2004 |
| Priority date | — |
| Expiry date | Jan 13, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dialyzer design that includes a potting material encasing a microfiber bundle in each end of a cylindrical body. The potting material is set by spinning the dialyzer in a centrifuge to force the potting material to the ends of the dialyzer interior chamber, where it sets with a non-planar surface. Dialysate fluid distribution rings define a space between the dialyzer interior chamber and dialyzer inlet and outlet ports, and laterally support the microfiber bundle against the dialysate fluid flow pressure. The dialysate fluid distribution ring circumferential edge substantially conforms to the non-planar potting material surface, to ensure that the lateral support to the microfiber bundle is constant, thereby lessening distortion, rupturing and obstruction of the microfibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.