A biocompatible hemoperfusion system employing a polymer-coated detoxicant composition comprising a solid detoxicant having a semipermeable polymer coating which substantially retains free heparin is disclosed. The semipermeable polymer coating has an effective pore size permitting waste metabolites...http://www.google.fr/patents/US4048064?utm_source=gb-gplus-shareBrevet US4048064 - Biocompatible hemoperfusion system
