Filter for the removal of substances from blood products
US7524425B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2004 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Apr 26, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/0439
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A filter device for the depletion of the leukocyte content from blood products comprising: a porous element comprising at least one fibrous web having a pore size suitable for leukocyte removal (possibly the range for the pore size should be defined), said web comprising fibres of a hydrophobic polymer coated with a hydrophilic polymer suitable to enhance the CWST of said hydrophobic polymer, characterised in that said web further includes adsorbent particles having a mean diameter lower than 30 μm, said particles being bonded to said fibres by means of said hydrophilic polymer coating said fibres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.