Method for treatment of blood using a blood bag

Details Method for treatment of blood using a blood bag Method for treatment of blood using a blood bag

1993-12-03

1996-06-04

Kim, John

Liquid purification or separation

Processes

Separating

210749, 210767, 210789, 604 4, 604 5, 604 6, 604410, 422 1, 422 40, 435 2, B01D 2126, A01N 102

Patent

active

055230040

ABSTRACT:
A composite of interconnected bags comprises a blood collecting bag, a preserving liquid bag, and a blood plasma bag. The interior of the bag body of the blood collecting bag is divided by a partition strip into an empty space and an empty space of the shape of a strip, with the two empty spaces mutually communicating near the end part of the partition strip. The blood collected in the blood collecting bag is centrifuged. The upper layer of blood plasma resulting from the centrifugation is discharged via a tube to the blood plasma bag. Then, the erythrocyte preserving liquid in the preserving liquid bag is advanced through the tube, the empty space, and a connecting part and added upwardly from below to the concentrated erythrocyte left behind the empty space. The erythrocyte preserving liquid, without being stirred, is allowed to ascend and mingle with the concentrated erythrocyte with the elapse of time. Thus, the present invention provides a erythrocyte preparation excellent in quality and fee from occurrence of floccules.

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patent: 4997577 (1991-03-01), Stewart
patent: 5089146 (1992-02-01), Carmen et al.
patent: 5154716 (1992-10-01), Bauman et al.

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