Red blood cell filtering system

Details Red blood cell filtering system Red blood cell filtering system

1989-01-31

1990-04-10

Jones, W. Gary

Liquid purification or separation

Processes

Chemical treatment

210782, 210787, 210806, 210807, 422 41, 422 44, 494 37, B01D 2126, B01D 2908, B01D 3600

Patent

active

049158481

ABSTRACT:
Closed filtering system for relatively fast and efficient removal of white blood cells from a red blood cell mixture. System comprises at least two blood bags in closed communication with each other via an intermediate filter assembly comprising a housing containing continuous filtering fiber. A preferred housing is tapered and the fiber preferably has a generally Y-shaped cross sectional area and it is adapted to permit substantial removal of white blood cells from a red blood cell mixture with minimal red blood cell hemolysis when the mixture is diluted with preservative solution and passed from one bag to the other at a relatively high flow rate. Filtration is completed within 24 hours, preferably within 6 hours, of whole blood donation.

REFERENCES:
patent: 3448041 (1969-06-01), Swank
patent: 4155854 (1979-05-01), Marx
patent: 4170056 (1979-10-01), Meyst et al.
patent: 4596657 (1986-06-01), Wisdom
patent: 4767541 (1988-08-01), Wisdom
patent: 4810378 (1989-03-01), Carmen et al.
patent: 4855063 (1989-08-01), Carmen et al.

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