Patent · US Expired

Device and method for depletion of the leukocyte content of blood and blood components

US4925572A · kind A · utility

203Cited by
33References
70Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 19, 1988
Grant dateMay 15, 1990
Priority date
Expiry dateOct 19, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2202/0439
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Devices for the depletion of leukocytes in blood products, preferably comprising an upstream porous element including means for removal of gels, at least one intermediate porous element including means for removal of microaggregates, and a downstream element including means for removal of leukocytes by both adsorption and filtration, preferably with at least one of the elements having been modified to a CWST in excess of 53 dynes/cm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.