A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/34 (2006.01) A61M 1/36 (2006.01) B01D 27/08 (2006.01) B01D 29/56 (2006.01) B01D 29/58 (2006.01) B29C 65/04 (2006.01) B29C 45/00 (2006.01)
Patent
CA 2365478
A fluid filter assembly (10) for filtering fluids such as blood includes first and second filter housing elements (20, 22) formed by an injection molding process. Each element (20, 22) is flexible and includes a peripheral flange (24) formed thereabout and a fluid communicating port (40) formed therein. Filter media, such as a filter membrane, is sealed between the mating flanges (24) of two elements (20, 22). The fluid filter assembly (10) is capable of collapsing and expanding during the filtration process depending upon the composition of the fluid passed therethrough. A method of making the filter assembly (10) and systems for using the filter assembly (10) are also described.
L'invention concerne un ensemble filtre (10) de fluides conçu pour filtrer des fluides tels que le sang. Ledit ensemble comprend un premier et un second éléments (20, 22) de boîtier de filtre formés par moulage par injection. Chaque élément (20, 22) est souple et comprend une collerette périphérique (24) l'encerclant et un orifice (40) de communication fluidique formé dans ladite collerette. Le milieu filtrant, par exemple une membrane filtrante, est scellé entre les collerettes (24) d'accouplement de deux éléments (20, 22). L'ensemble filtre (10) de fluides peut se replier et se dilater pendant le processus de filtrage en fonction de la composition du fluide le traversant. L'invention traite également d'un procédé de fabrication de l'ensemble filtre (10) ainsi que des systèmes de son utilisation.
Calhoun Daryl R.
Murphey Randy
Perez Roberto E.
Wons Allen R.
Baxter International Inc.
Deeth Williams Wall Llp
Fenwal Inc.
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