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    • 9. 发明申请
    • Biofilm-Inhibiting Catheters and Tubings
    • 生物膜抑制导管和管
    • US20090255536A1
    • 2009-10-15
    • US12420671
    • 2009-04-08
    • Yossef Av-GayLivia MahlerChristopher C. Miller
    • Yossef Av-GayLivia MahlerChristopher C. Miller
    • A61L29/16A61M16/04A61M27/00B05D7/24
    • A61L29/16A61L2300/114A61L2300/404A61M16/04A61M16/0465A61M2025/0056
    • Antimicrobial and biofilm-inhibiting nitric oxide-releasing medical appliances for installation into a patient, and processes for producing the medical appliances. The medical appliances are configured for conveying materials into and out of the patient's body and may comprise tubings or pouching systems. The medical appliances comprise a gas-permeable cured resin material selected from the group consisting of curable silicones, polyvinyl acetates, thermoplastic elastomers, acrylonitrile-butadiene-styrene copolymer rubber, polyurethanes and selected combinations thereof, wherein the gas-permeable cured resin material comprises a matrix suitable for releasably sequestering therein permeating gases. A plurality of nitric-oxide gas-releasing moieties is sequestered within and through the gas-permeable resin material. Nitric oxide is released from at least a portion of said plurality of nitric oxide gas-releasing moieties upon contact of the medical appliance with a moisture source. Exemplary medical appliances include endotracheal tubes, crichotracheotomy tubes, urinary catheters, wound drainage tubes, central intravenous catheters, peripheral intravenous catheters, and poucing systems.
    • 用于安装到患者体内的抗菌和生物膜抑制一氧化氮释放医疗器具,以及用于生产医疗器具的方法。 医疗器具被配置为将材料输送进入和离开患者身体,并且可以包括管道或包囊系统。 所述医疗器具包括选自可固化的硅酮,聚乙酸乙烯酯,热塑性弹性体,丙烯腈 - 丁二烯 - 苯乙烯共聚物橡胶,聚氨酯及其选择的组合的透气性固化树脂材料,其中透气性固化树脂材料包括 基质适于在其中可释放地封闭渗透气体。 多个一氧化氮气体释放部分被隔离在透气性树脂材料内并通过透气性树脂材料。 当医疗器具与湿气源接触时,一氧化氮从所述多个一氧化氮气体释放部分的至少一部分释放。 示例性医疗器具包括气管内导管,气管切开术管,导尿管,伤口引流管,中央静脉导管,外周静脉导管和灌注系统。