Device and method for processing blood for human transfusion

B - Operations – Transporting – 01 – D

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182/105, 182/123

B01D 24/02 (2006.01) A61M 1/02 (2006.01) A61M 1/36 (2006.01) B01D 35/02 (2006.01) B01D 39/04 (2006.01) B01D 39/16 (2006.01) B04B 5/10 (2006.01)

Patent

CA 2025069

A device for processing donated blood comprises a porous medium interposed between the collection bag and a satellite bag into which a component separated by centrifugation can be expressed, the filter element preferably having a CWST of about 70 to about 115 dynes/cm. The porous medium blocks red blood cells, but allows platelets to pass there-through.

La méthode faisant l'objet de la présente divulgation consiste à libérer des cellules animales liées à des anticorps spécifiques de l'épitope MY10 par traitement à la chymopapaïne des cellules animales liées à l'anticorps et séparation des cellules viables de ces anticorps. Le brevet porte aussi sur une méthode de purification des cellules précurseurs lymphohématopoïétiques d'une population de cellules humaines positives CD34. Ces deux méthodes sont importantes en vue de la sélection positive de cellules souches de moelle normales pour le traitement des greffes de moelle osseuse nécessaires pour la transplantation de moelle dans les cas de maladies comme l'anémie aplasique et de leucémie.

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