Axial spin blood separation system and method

Details Axial spin blood separation system and method Axial spin blood separation system and method

G - Physics

01

N

G01N 33/49 (2006.01) B01L 3/14 (2006.01)

Patent

CA 2205656

A method for rapid separation of serum or plasma from cells in a whole blood sample uses a cylindrical sample tube having longitudinally-extending internal ribs. A separation gel and the sample are introduced into the tube, and the tube is axially centrifuged so as to form concentric shells of cells, gel, and serum or plasma. After centrifugation is stopped, the serum or plasma collects in the tube by gravity flow and the cells and gel remain affixed to the walls and ribs of the tube.

L'invention se rapporte à un procédé de séparation rapide du sérum - ou du plasma - et des cellules dans un échantillon de sang entier, consistant à utiliser un tube d'échantillonnage équipé de nervures internes s'étendant dans le sens de sa longueur. Un gel de séparation est introduit avec l'échantillon dans le tube, et ce dernier est centrifugé dans la direction axiale jusqu'à formation de coquilles de cellules ,de gel, et de sérum ou de plasma. Après arrêt du mouvement centrifuge, le sérum ou le plasma se dépose dans le tube par gravité et les cellules et le gel restent fixés aux parois et aux nervures du tube.

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