Filtration unit for the selective elimination of a target substance
US8123940B2 · kind B2 · utility
9Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2008 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Apr 9, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/3636
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A filtration unit for the selective elimination of a target substance from a biological fluid comprising an external envelope, wherein the envelope encloses a filtering medium comprising: an upstream structure for eliminating at least the target substance comprising a stack of layers that are arranged to allow the flow of fluid through the layers in one direction comprising a non-woven material, and particles interposed between at least some of the layers, wherein the particles have an affinity for the target substance; and a downstream structure for retaining the particles comprising at least one layer of porous material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.