Filter cartridge assemblies and methods of filtering fluids

Details Filter cartridge assemblies and methods of filtering fluids Filter cartridge assemblies and methods of filtering fluids

B - Operations, Transporting

01

D

B01D 27/02 (2006.01) A61M 1/16 (2006.01) B01D 27/08 (2006.01) B01D 27/14 (2006.01) B01J 20/02 (2006.01)

Patent

CA 2468507

Filter cartridge assemblies and housings are provided and include a tubular housing having an inner wall, an outer wall, a first end, and a second end. The housings include inner walls with shoulders or other radially-inwardly extending flow directors at the intersectins of adjacent sections of the tubular body. The assemblies include a plurality of filter media sections within the housing, and each of the plurality of filter media sections preferably has a different filter media composition. One or more of the filter media sections traverses one or more of the shoulders or other radially- inwardly extending flow directors such that the flow directors evenly direct the flow of fluid through the assembly. The assemblies find particular applicability in dialysis systems.

L'invention concerne des ensembles de cartouches de filtres et des logements qui comprennent un logement tubulaire doté de parois interne et externe, de première et seconde extrémités. Ces logements comportent des parois internes avec des épaulements ou d'autres dispositifs d'orientation de l'écoulement au niveau des intersections des sections adjacentes du corps tubulaire. Ces ensembles comprennent une pluralité de sections de matériaux filtrants au sein du logement, et chaque section de la pluralité des sections de matériaux filtrants possède, de préférence, une composition de matériaux filtrants différente. Au moins une des sections de matériaux filtrants traverse au moins un des épaulements ou d'autres dispositifs d'orientation de l'écoulement s'étendant vers l'intérieur et dans le sens radial, de telle manière que les dispositifs d'orientation de l'écoulement peuvent également diriger l'écoulement du fluide à travers ledit ensemble. On peut utiliser ces ensembles dans des systèmes de dialyse.

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