Filter unit for separating precipitates containing cholesterol

Details Filter unit for separating precipitates containing cholesterol Filter unit for separating precipitates containing cholesterol

1988-04-01

1989-09-05

Sever, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210492, 2104931, 210927, A61M 500, E01D 2900

Patent

active

048636037

ABSTRACT:
A multilayer filter medium (6) is used for separating precipitates containing cholesterol from blood plasma which consists of at least one open filter medium (7) which adsorbs precipitate and of a microporous membrane (9) which controls the pressure conditions in the filter element, whereby the layer (7) which specifically adsorbs the precipitate is hydrophobic and the microporous membrane (9) is hydrophilic. In addition, a positively charged adsorption medium (9) is provided on the side of the microporous membrane (8) facing away from the hydrophobic adsorption medium (7). In this manner, a large adsorption area is created and kept accessible for the precipitates and for heparin.

REFERENCES:
patent: 4579698 (1986-04-01), Meyering et al.
patent: 4642098 (1987-02-01), Lundquist

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