Enhanced yield blood processing systems and methods...

Details Enhanced yield blood processing systems and methods... Enhanced yield blood processing systems and methods...

B - Operations, Transporting

01

D

B01D 21/26 (2006.01) B04B 5/04 (2006.01) A61M 1/30 (2006.01) A61M 1/36 (2006.01)

Patent

CA 2195187

Blood processing systems and methods create dynamic vortex flow conditions (130) within a processing chamber (40) by conveying blood into a separation path that extends circumferentially about the rotational axis along an entry path that extends generally parallel to the rotational axis. The vortex flow conditions perfuse blood into the separation path for separation into component parts. The systems and methods confine the vortex flow pattern along the entry path by reducing the radial width of the entry path.

Des systèmes et des procédés de traitement du sang créent des conditions d'écoulement à tourbillons dynamiques (130), à l'intérieur d'une chambre de traitement (40), en amenant le sang sur un parcours de séparation qui s'étend sur une circonférence autour de l'axe de rotation le long d'un parcours d'entrée qui est sensiblement parallèle à l'axe de rotation. Les conditions d'écoulement tourbillonnaire font passer le sang sur le parcours de séparation, en vue de la séparation en ses constituants. Les systèmes et les procédés limitent le mode d'écoulement tourbillonnaire au parcours d'entrée grâce à la réduction de la largeur radiale de ce dernier.

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