Blood phase separator device

Details Blood phase separator device Blood phase separator device

1981-05-04

1983-11-29

Therkorn, Ernest G.

Liquid purification or separation

With means to add treating material

Directly applied to separator

210516, 210927, 494 16, 494 38, 422 73, 422101, B01D 2126

Patent

active

044179812

ABSTRACT:
A blood collection device for receiving whole blood adapted to be centrifuged into phases of lighter and heavier specific gravity includes a container with proximal and distal ends and a penetrable stopper at the proximal end. A separator assembly inside the container includes a receptacle with a thixotropic barrier material therein. An aperture in the receptacle faces toward the distal end of the container. The barrier material has a specific gravity intermediate the specific gravities of the lighter and heavier phases of blood and is adapted to flow under its own influence through the aperture during centrifugation. The barrier material then travels to a position intermediate the lighter and heavier phases of blood separated during centrifugation and adheres to the inside wall of the container to form a barrier.

REFERENCES:
patent: 3929646 (1975-12-01), Adler
patent: 3945928 (1976-03-01), Ayres
patent: 3957653 (1976-05-01), Blecher
patent: 3957654 (1976-05-01), Ayres
patent: 3976579 (1976-08-01), Bennett
patent: 3981804 (1976-09-01), Gigliello
patent: 4055501 (1977-10-01), Cornell
patent: 4088582 (1978-05-01), Murty
patent: 4101422 (1978-07-01), Lamont
patent: 4189382 (1980-02-01), Zine
patent: 4202769 (1980-05-01), Greenspan

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