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    • 3. 发明申请
    • BALLOON CATHETER COMPRISING PRESSURE SENSITIVE MICROPARTICLES
    • 包含压力敏感性微孔的气囊导管
    • WO2010133557A2
    • 2010-11-25
    • PCT/EP2010056756
    • 2010-05-17
    • ENCAPSON B VAYRES LEEVRIEZEMA DENNIS MANUELHANSSEN JOHANNES HENDRIKUS LEONARDUSOPSTEEN JOHANNES ANTONIUS
    • AYRES LEEVRIEZEMA DENNIS MANUELHANSSEN JOHANNES HENDRIKUS LEONARDUSOPSTEEN JOHANNES ANTONIUS
    • A61L29/00
    • A61L29/14A61L29/085A61L29/16A61L2300/606A61L2300/622
    • The invention provides a solution to the above mentioned problem in that it provides a catheter balloon comprising a flexible coating on its outer surface wherein a plurality of microparticles are contained wherein said coating comprises a material selected from the group consisting of poly(N-vinyl-pirrolidone, poly(N-vinyl- pirrolidone-co-butylacrylate), poly(4-vinyl pyridine), polyacrylamides, e.g. poly(N- isopropylacrylamide), poly(amido-amines), poly(ethylene imine), poly(ethylene oxide- block-propylene oxide), poly(ethylene oxide-block-propylene oxide-block-ethylene oxide), poly(styrene-block-isobutylene-block-styrene), poly(hydroxystyrene-block- isobutylene-block-hydroxystyrene), polydialkylsiloxanes, polysaccharides, polyacrylates and polyalkylmethacrylates, e.g. polymethylmethacrylate and poly(2- hydroxyethylmethacrylate) and wherein said microparticles comprise a material selected from the group consisting of polyesters, e.g. poly(lactic acid), poly(lactic-co- glycol acid), poly(glycolic acid), poly(3-hydroxybutyrate), poly(3-hydroxyvalerate), poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and polycaprolactone, polyamides, polysaccharides, polyurethanes, polyalkylmethacrylates and polyacrylates, e.g. polymethylmethacrylate and poly(2-hydroxyethylmethacrylate) and wherein the microparticles comprise a pharmaceutically active compound.
    • 本发明提供了一种上述问题的解决方案,其中提供一种导管球囊,其在其外表面上包括柔性涂层,其中容纳多个微粒,其中所述涂层包括选自聚(N-乙烯基 - 吡咯烷酮,聚(N-乙烯基吡咯烷酮 - 丙烯酸丙酯共聚物),聚(4-乙烯基吡啶),聚丙烯酰胺,例如聚(N-异丙基丙烯酰胺),聚(酰胺 - 胺),聚(亚乙基亚胺),聚(环氧乙烷 (环氧乙烷 - 环氧丙烷 - 环氧乙烷),聚(苯乙烯 - 嵌段 - 异丁烯 - 嵌段 - 苯乙烯),聚(羟基苯乙烯 - 嵌段 - 异丁烯 - 嵌段 - 羟基苯乙烯),聚二烷基硅氧烷 ,多糖,聚丙烯酸酯和聚烷基甲基丙烯酸酯,例如聚甲基丙烯酸甲酯和聚(2-羟乙基甲基丙烯酸酯),其中所述微粒包括选自聚酯,例如聚(乳酸),聚(乳酸 - 共 - 乙二醇酸),po 聚(3-羟基丁酸酯),聚(3-羟基戊酸酯),聚(3-羟基丁酸酯 - 共-3-羟基戊酸酯)和聚己内酯,聚酰胺,多糖,聚氨酯,聚烷基甲基丙烯酸酯和聚丙烯酸酯。 聚甲基丙烯酸甲酯和聚(甲基丙烯酸2-羟乙酯),其中微粒包含药物活性化合物。