Adsorbent for the removal of blood cells

Details Adsorbent for the removal of blood cells Adsorbent for the removal of blood cells

A - Human Necessities

61

M

A61M 1/36 (2006.01) A61M 1/34 (2006.01)

Patent

CA 2720665

An adsorbent for the removal of blood cells, which consists essentially of a hydrophobic high-molecular resin and has a surface center line average roughness (Ra) of 5 to 100nm. The hydrophobic high-molecular resin is preferably polyarylate resin (PAR), polyethersulfone resin (PES), polysulfonic acid resin (PES), or a polymer alloy consisting of two or more of the resins. The adsorbent for the removal of blood cells can take the form of beads, hollow fibers, or solid fibers.

Cette invention concerne un adsorbant pour l'élimination des érythrocytes, qui consiste essentiellement en une résine hydrophobe de poids moléculaire élevé et qui possède une rugosité moyenne (Ra) de la ligne médiane superficielle de 5 à 100 nm. La résine hydrophobe de poids moléculaire élevé est, de préférence, une résine polyarylate (PAR), une résine polyéthersulfone (PES), une résine acide polysulfonique (PES), ou un alliage de polymères constitué de deux de ces résines ou plus. L'adsorbant pour l'élimination des érythrocytes peut prendre la forme de billes, de fibres creuses, ou de fibres pleines.

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