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    • 9. 发明授权
    • Dissolvable device for contraception or delivery of medication
    • 用于避孕或递送药物的可溶解装置
    • US5393528A
    • 1995-02-28
    • US68778
    • 1993-06-01
    • Robert J. Staab
    • Robert J. Staab
    • A61F6/08A61F13/00A61F13/26A61K9/00A61K9/70A61L15/44A61L15/62A61F9/02A01N25/08A61F13/15A61F13/20
    • A61F13/26A61F13/00063A61F6/08A61K9/0034A61K9/7007A61L15/44A61L15/62A61F2013/00093A61F2013/00157A61F2013/00642A61L2300/408A61L2300/602Y10S424/14Y10S514/841Y10S514/843Y10S514/953Y10S514/967Y10S604/904
    • A dissolvable element containing an agent material is used for local administration of the agent material in an internal body area. The dissolvable element is made of dissolvable polymer material and/or complex carbohydrate material which are food grade materials and have selected dissolving properties, such that it remains in substantially solid form before use, and dissolves due to human body temperatures and moisture during use to release the agent material in a desired timed release and dosage. As a contraceptive, the dissolvable element is preferably a film made of polyvinyl alcohol, polyethylene oxide, hydroxypropyl methyl cellulose and/or carboxymethyl cellulose. The dissolvable element may be formed as a laminate of different film layers for compound release properties, or it may be ground into particles and incorporated in a tampon or suppository. The dissolvable element may be foamed as a means for increasing its dissolution rate. The agent material can be a spermicide, such as Nonoxynol-9, and/or a drug or medication. The device of the invention can also be applied topically as for example in the treatment of wounds, burns and ulcers, as well as to treat, irritations, Herpes, and ulcerations and blisters of the oral cavity. It is also possible to prepare dressings in which the dissolvable element of the invention comprises the bottom most layer. This permits painless application of medication to wounds.
    • 含有试剂材料的可溶解元素用于在内部身体区域中局部施用药剂材料。 可溶性元素由可溶性聚合物材料和/或复合碳水化合物材料制成,其为食品级材料并具有选择的溶解性质,使得其在使用前保持基本上为固体形式,并且在使用期间由于人体温度和湿气而溶解以释放 所述试剂材料以期望的定时释放和剂量。 作为避孕药,可溶性元素优选为由聚乙烯醇,聚环氧乙烷,羟丙基甲基纤维素和/或羧甲基纤维素制成的膜。 可溶解元素可以形成为用于化合物释放性质的不同膜层的层压体,或者可以将其研磨成颗粒并掺入棉塞或栓剂中。 可溶解元素可以作为增加其溶解速率的手段发泡。 药剂材料可以是杀精剂,例如壬苯醇酯-9,和/或药物或药物。 本发明的装置也可以局部应用于例如治疗伤口,烧伤和溃疡,以及治疗,刺激,疱疹,口腔溃疡和水疱。 还可以制备本发明的可溶解元素包括最底层的敷料。 这样可以无痛施用药物给伤口。