Patent · US Expired

Filter for the removal of substances from blood products

US7524425B2 · kind B2 · utility

23Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 2004
Grant dateApr 28, 2009
Priority date
Expiry dateApr 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.