发明授权
US4999210A 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
- 专利标题: Anti-infective and antithrombogenic medical articles and method for their preparation
- 专利标题(中): 抗感染和抗血栓形成的医疗用品及其制备方法
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申请号: US449382申请日: 1989-12-07
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公开(公告)号: US4999210A公开(公告)日: 1991-03-12
- 发明人: Donald D. Solomon , M. Parke Byron
- 申请人: Donald D. Solomon , M. Parke Byron
- 申请人地址: NJ Franklin Lakes
- 专利权人: Becton, Dickinson and Company
- 当前专利权人: Becton, Dickinson and Company
- 当前专利权人地址: NJ Franklin Lakes
- 主分类号: A61L27/34
- IPC分类号: A61L27/34 ; A61L27/54 ; A61L29/06 ; A61L29/08 ; A61L29/16 ; A61L31/10 ; A61L31/16
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, an antibiotic, or an antithrombogenic agent permeated into the surface or it may be a polymeric surface layer having bulk distributed chlorhexidine 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. The article may then be laminated by dipping into a solution of chlorhexidine and a substantially hydrophilic polymer in a solvent.
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