摘要 |
<p>A process and device for the selective separation of pathological and/or toxic species from blood, plasma or serum wherein a plasma or serum fraction is passed through a container containing one or more filter candles of decreasing means pore diameter and which may contain a sterilizable spacing disc between the filter candles. In accordance with the invention, macromolecular pathological and/or toxic species with molecular weight exclusion limits between about 20,000 and 3,000,000 D may be selectively separated from a fraction of plasma or serum.</p> |