Multiple element filter

Details Multiple element filter Multiple element filter

A - Human Necessities

61

M

A61M 1/36 (2006.01) B01D 27/02 (2006.01) B01D 27/10 (2006.01) B01D 61/18 (2006.01) B01D 63/08 (2006.01)

Patent

CA 2258211

A biological fluid filter assembly (100) including a plurality of porous media (6a, 6b) and essentially lacking a solid partition between the media is disclosed. Preferably, the assembly has a space (12) between the media (6a, 6b). The filter assembly is especially suitable for depleting leukocytes from a biological fluid such as packed red cells, and can be used to deplete leukocytes from two or more units of biological fluid. A method of using the filter assembly is also provided.

L'invention concerne un filtre (100) pour fluide biologique comprenant plusieurs milieux poreux (6a, 6b) et essentiellement dépourvu d'une séparation solide entre les milieux. De préférence, l'ensemble comprend un espace (12) entre les milieux (6a, 6b). Le filtre est spécialement approprié pour l'extraction complète de leucocytes d'un fluide biologique tel qu'un concentré de globules rouges, et peut être utilisé pour extraire complètement des leucocytes de deux ou plusieurs unités de fluide biologique. L'invention concerne également un procédé d'utilisation du filtre.

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