B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 21/26 (2006.01) A61M 1/36 (2006.01) B01D 35/00 (2006.01) B04B 9/14 (2006.01) B04B 11/00 (2006.01)
Patent
CA 2294307
Blood processing systems and methods are disclosed. A processing chamber (14) rotating on a rotating element includes a first compartment (38) and a second compartment (40). Blood is conveyed into the first compartment (38) for centrifugal separation into components. A liquid free of blood occupies the second compartment (40) to counter-balance the first compartment (38) during rotation on the rotating element. In one embodiment, the second compartment (40) is served by a single fluid access. Prior to use, the single access is coupled to tubing, through which a vacuum is drawn to remove air from the second compartment (40). While vacuum exists, communication is opened between the tubing and a source of liquid. The vacuum draws the liquid into the second compartment (40) through the single access, thereby priming the second compartment (40) for use.
La présente invention concerne des procédés et des systèmes de traitement du sang. Une chambre de traitement (14) qui tourne autour d'un élément rotatif, comprend un premier et un second compartiments (38, 40). Le sang est transporté dans le premier (38) pour y être séparé, de manière centrifuge, en composants. Un liquide exempt de sang occupe le second compartiment (40) de façon à contre-balancer le premier compartiment (38) pendant la rotation de l'élément rotatif. Selon un mode de réalisation, le second compartiment (40) est alimenté par un accès de fluide unique. Avant utilisation, ledit accès est couplé à un tube à travers lequel un vide est effectué pour éliminer l'air du second compartiment (40). Tant que le vide existe, une communication est établie entre le tube et la source de liquide. Le vide aspire le liquide dans le second compartiment (40) à travers l'accès unique, franchissant ainsi le second (40) compartiment pour utilisation.
Cantu Robert J.
Min Kyungyoon
Reitz Douglas W.
Baxter International Inc.
Sim & Mcburney
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