Centrifuge apparatus and method with improved temperature...

Details Centrifuge apparatus and method with improved temperature... Centrifuge apparatus and method with improved temperature...

2006-04-25

2006-04-25

Walker, W. L. (Department: 1723)

Liquid purification or separation

Filter

Movable medium

C210S781000, C210S782000, C210S748080, C210S742000, C210S149000, C494S043000

Reexamination Certificate

active

07033501

ABSTRACT:
An apparatus is adapted to centrifuge a container for separating a component, such as fibrin monomer, from blood or plasma. The container includes a cylindrical member, and a piston displaceable therein and a tubular piston rod, which extends through a top wall of the cylindrical member. The piston divides the cylindrical member into a first chamber positioned above the piston between the piston and the top wall, and a second chamber positioned below the piston. The apparatus includes a supporting turntable which releasably retains the cylindrical member. The supporting turntable is connected to a first activator for rotating the supporting turntable with the container about the central axis thereof. The apparatus also includes a rotatably journalled piston activating mechanism adapted to activate the piston by a second activator. A heat-emitting device is provided opposite the cylindrical member, and an filter is provided between the heat-emitting device and the cylindrical member to block radiation emitted by the heat-emitting device that degrades protein in the blood or plasma.

REFERENCES:
patent: 4330177 (1982-05-01), Miller
patent: 5073012 (1991-12-01), Lynam
patent: 5552671 (1996-09-01), Parham
patent: 5593823 (1997-01-01), Wollowitz et al.
patent: 5603845 (1997-02-01), Holm
patent: WO 98/30304 (1998-07-01), None

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