An in-line blood filtration device

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/02 (2006.01) A61M 1/34 (2006.01) A61M 1/36 (2006.01) B01D 19/00 (2006.01) B01D 29/01 (2006.01) B01D 61/18 (2006.01) B01D 61/20 (2006.01) B01D 63/08 (2006.01) B01D 65/00 (2006.01)

Patent

CA 2230590

An in-line liquid filtration device (23) useable for filtration of blood includes a housing (1,2) having an inlet port (15), an outlet port (16), at least one filter element (5) disposed in the housing (1,2) between the inlet port (15) and outlet port (16) so as to filter liquid which flows into the filtration device (23) via an inlet port (15). The filter element (5) divides the housing into a first chamber (30) and a second chamber (29). Gases in the filtration device (23) are vented through the outlet port (16). The filtration device (23) includes a flow deflector (10) and/or a channel, preferably spiral, within the first chamber (30) and/or the second chamber (29).

L'invention concerne un dispositif (23) de filtration de liquide fonctionnant en continu, permettant de filtrer le sang. Ce dispositif comprend un logement (1, 2) présentant un orifice d'entrée (15), un orifice de sortie (16), au moins un élément filtrant (5) placé dans le logement (1, 2), entre l'orifice d'entrée (15) et l'orifice de sortie (16), pour filtrer le liquide qui circule dans le dispositif de filtration (23) par l'intermédiaire de l'orifice d'entrée (15). L'élément filtrant (5) divise le logement en une première chambre (30) et en une seconde chambre (29). Les gaz, dans le dispositif de filtration (23), sont évacués par l'orifice de sortie (16). Le dispositif de filtration (23) comporte une chicane (10) et/ou un canal, de préférence en spirale, dans la première chambre (30) et/ou dans la seconde chambre (29).

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