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US5013306A Anti-infective and antithrombogenic medical articles and method for their preparation 失效
抗感染和抗血栓形成的医疗用品及其制备方法

Anti-infective and antithrombogenic medical articles and method for
their preparation
摘要:
An anti-infective medical article has chlorhexidine bulk distributed throughout a polyurethane base layer and may have a coating layer on the base layer. The coating layer may be chlorhexidine permeated into the surface or it may be an antibiotic, antithrombogenic agent or a polymeric surface layer laminated onto the base layer. The invention includes a method for preparing the article wherein a homogeneous melt of polymer and chlorhexidine is prepared by twin screw compounding and the melt is extruded to give a medical article having bulk distributed chlorhexidine.
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