Novel assembly for separating blood

Details Novel assembly for separating blood Novel assembly for separating blood

1975-07-10

1976-10-19

Hart, Charles N.

Liquid purification or separation

Gravitational separator

Portable invertible, e.g., milk and cream separator

210DIG23, B01D 2126

Patent

active

039869628

ABSTRACT:
Disclosure is made of an improved assembly for the collection, separation and isolation of serum or plasma from blood without subjecting the desired serum or plasma to contamination by exposure to the atmosphere and which utilizes a thixotropic barrier material to effect the isolation. A representative embodiment of the improved assembly comprises an air-evacuated collection chamber, a self-sealing airtight elastomeric closure for the container which is penetrable by a blood bearing cannula and a thixotrope having a specific gravity of from about 1.03 to about 1.09, held in a specially constructed reservoir positioned within the closure member and in communication with the air-evacuated chamber.

REFERENCES:
patent: 2584397 (1952-02-01), Pitman
patent: 2608972 (1952-09-01), Chrigstrom
patent: 2812231 (1957-11-01), Zar
patent: 3139121 (1964-06-01), Ballin
patent: 3608550 (1971-09-01), Stawski
patent: 3780935 (1973-12-01), Lukacs et al.
patent: 3852194 (1974-12-01), Zine, Jr.
patent: 3901219 (1975-08-01), Kay
patent: 3920557 (1975-11-01), Atres

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