专利名称:Methods for preparation of medical
dressing containing antimicrobial agent
发明人:Harish A. Patel申请号:US14192937申请日:20140228公开号:US09480770B2公开日:20161101
专利附图:
摘要:A medical dressing containing an antimicrobial agent is disclosed. The medicaldressing comprises a layered fabric comprising an inner layer of substantially hydrophilicmaterial, an outer layer of substantially hydrophobic material on both sides of the innerlayer; and an antimicrobial agent. The antimicrobial agent may be releasably impregnatedinto the fabric, coated on said fabric or a combination thereof. The antimicrobial agentmay be a biguanide, such as polyhexamethylene biguanide (PHMB). The fabric inner layermaterial may be substantially a cellulose fiber, preferably substantially rayon, and thefabric outer layer material may be substantially polyester, e.g., a combination of textilematrix grade polyester fiber and amorphous binder grade polyester fiber. The fabric is
preferably treated with an aqueous solution of surfactant and PHMB to have about 1500-3500 ppm of extractable PHMB.
申请人:Covidien LP
地址:Mansfield MA US
国籍:US
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