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    • 10. 发明授权
    • Oral osmotic device with hydrogel driving member
    • 具有水凝胶驱动构件的口腔渗透装置
    • US5021053A
    • 1991-06-04
    • US380229
    • 1989-07-14
    • Brian L. BarclayJerry D. ChildersJeri WrightVirgil A. PlacePatrick S. L. Wong
    • Brian L. BarclayJerry D. ChildersJeri WrightVirgil A. PlacePatrick S. L. Wong
    • A61K20060101A61K9/00A61K9/22
    • A61K9/0004
    • An osmotic device for delivering a beneficial drug, such as an anti-fungal, into the mouth of a human patient is disclosed. The device has a size and shape adapting it to be comfortably retained in the mouth for extended periods of time. The device comprises a wall surrounding a compartment housing a layer of an agent that is insoluble to very soluble in aqueous biological fluid, e.g., saliva, and a layer of a fluid swellable, hydrophilic polymer. A passageway in the wall connects the agent with the exterior of the device. The wall is permeable to the passage of aqueous biological fluid but substantially impermeable to the passage of the hydrophilic polymer. In one embodiment the beneficial agent has a different color than the hydrophilic polymer. The wall is sufficiently translucent to permit the patient to see the amount of drug/beneficial agent remaining to be delivered. Marking lines may be provided on the wall indicating the amount of drug/agent which has been delivered and/or the amount remaining to be delivered.
    • 公开了用于将有益药物(例如抗真菌)递送到人类患者的口腔中的渗透装置。 该装置的尺寸和形状适应于舒适地保持在口中长时间。 该装置包括一个围绕隔室的壁,该隔室容纳不溶于非常可溶于水生物流体例如唾液的一层试剂,以及一层流体可溶胀的亲水性聚合物。 墙壁上的一个通道可将药剂与装置的外部连接起来。 该壁对于水性生物流体的通道是可渗透的,但是对亲水性聚合物的通过基本上是不可渗透的。 在一个实施方案中,有益剂具有与亲水性聚合物不同的颜色。 该壁足够半透明以允许患者看到剩余的待传递的药物/有益剂的量。 可以在墙上提供标记线,指示已经递送的药物/药剂的量和/或剩余的待传送量。