Disposable diagnostic plasma filter dispenser

Details Disposable diagnostic plasma filter dispenser Disposable diagnostic plasma filter dispenser

1985-08-12

1987-06-02

Sever, Frank

Liquid purification or separation

Adjuncts

210542, 210927, B01D 3500

Patent

active

046701478

ABSTRACT:
A disposable diagnostic plasma filter dispenser includes a low cost disposable container and a rotor drive for rotationally energizing a rotor within the container. The disposable container is particularly suitable for drawing and dispensing blood samples for clinical analysis and includes a tube shaped outer wall having a frangible dispenser outlet cover, a close fitting inner tube supporting a filter membrane and a unitary rotor disposed for axel free rotation and axial translation within the inner tube in response to energization from the rotor driver. The rotor produces vortex enhanced filtration while maintaining a flow of filter fluid through the filtration gap and creating a transmembrane pressure.

REFERENCES:
patent: 3634228 (1972-01-01), Latham
Lopez-Lena; "Ultrifiltration at Low Degrees of Concentration Polarization: Technical Possibilities"; Dec. '80; pp. 210-651.
Dorson; Int. App. WO. 82/03567; 10-1982.
Forstrom et al; "Formed Element Deposition onto Filtering Walls"; Trans. Am. Soc. Artif. Int. Organs; vol. XXI; pp. 602-607.

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