ANTITHROMBOTIC POLYURETHANE POLYMER AND MANUFACTURE

摘要

There is disclosed an antithrombogenic polyurethane polymer which comprises:… a polyurethane substrate;… a polymeric amine covalently bonded to the polyurethane substrate; and… an antithrombogenic agent… wherein the polymeric amine is chosen from:… a polyvinyl amine, a polyalkylenimine which has 2, 3 or 4 carbon atoms per amine unit, and mixtures thereof. …A process for imparting antithrombogenic activity to a polyurethane substrate is also disclosed.