A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/34 (2006.01) A61M 1/02 (2006.01)
Patent
CA 2045587
Systems and methods of collecting blood cells, substantially free of undesired matter, use a first container (16), that forms a part of blood collection system (10), to initially collect a quantity of blood cells. A filtration system (14) is then attached to the first container. The filtration system (14) includes a second container (34), a first fluid path (36) that leads to the second container (34) through a filtration device (40), and a second fluid path (38) that leads to the second container (34) bypassing the filtration device (40). Blood cells are conveyed from the first container (16) through the first fluid path (36) and filtration device (40) and into the second container (34) to separate the undesired matter from blood cells. Blood cells, now substantially free of the undesired matter, are then conveyed from the second container (34) through the second fluid path (38), bypassing the filtration device (40), and back into the first container (16). The filtration system (14) is then detached from the blood collection system (10).
Systèmes et procédés de récupération de cellules sanguines, sensiblement exemptes de substances indésirées, utilisant un premier conteneur (16) qui forme une partie du système de récupération de sang (10) pour récupérer une quantité de cellules sanguines. Un système de filtration (14) est ensuite fixé à ce premier conteneur. Le système de filtration (14) comprend un second conteneur (34), un premier chemin de fluide (36) qui mène au second conteneur (34) au travers d'un dispositif de filtration (40) et un second cheminement de fluide (38) qui mène au second conteneur (34) en bypassant le dispositif de filtration (40). Les cellules sanguines sont acheminées depuis le premier conteneur (16) au travers du premier chemin de fluide (36) et du dispositif de filtration (40) pour arriver dans le second conteneur (34) et séparer les substances indésirées des cellules sanguines. Les cellules sanguines exemptes de substances indésirées sont alors acheminées depuis le second conteneur (34) en passant par le second chemin de fluide (38), en bypassant le dispositif de filtration (34) pour revenir dans le premier conteneur (16). Le système de filtration (14) est ensuite détaché du système récupérateur de sang (10).
Stewart Mary A.
Baxter International Inc.
Deeth Williams Wall Llp
Fenwal Inc.
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