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    • 7. 发明申请
    • IMPROVEMENTS IN OR RELATING TO THE DELIVERY OF ORAL DRUGS
    • 改善口服药物或提供口服药物
    • WO2003020197A1
    • 2003-03-13
    • PCT/IB2002/003590
    • 2002-09-04
    • VECTURA LIMITEDTOBYN, MichaelSTANIFORTH, JohnSIMPSON, David, Bradley, BrookPATERSON, Graeme, Lindsay, JonathanALTHORPE, Christopher
    • TOBYN, MichaelSTANIFORTH, JohnSIMPSON, David, Bradley, BrookPATERSON, Graeme, Lindsay, JonathanALTHORPE, Christopher
    • A61J7/00
    • A61J7/0053A61J7/02
    • A drug delivery device and method for administering a multiparticulate therapeutic agent into an oral cavity of a human patient for gastrointestinal deposition. The device includes a housing, a delivery unit, a metering unit and an actuator. The housing define a reservoir capable of containing multiple doses of the therapeutic agent. The delivery unit defines a delivery receptacle, is moveable between a closed position and an extended position, and is capable of delivering a unit dose of the therapeutic agent into the oral cavity when the delivery unit is in the extended position. The metering unit defines a dose receptacle and is moveable between a loading position, in which the dose receptacle communicates with the reservoir, and an unloading position, in which the dose receptacle communicates with the delivery receptacle when the delivery unit is in the closed position. The actuator, upon actuation, causes the metering unit to move from the loading to the unloading position so as to meter the unit dose and move the unit dose from the reservoir to the delivery receptacle. The actuator also prevents the delivery unit from being moved from the closed position until after the metering unit has moved from the loading to the unloading position.
    • 一种用于将多颗粒治疗剂施用于人类患者口腔以用于胃肠道沉积的药物递送装置和方法。 该装置包括壳体,输送单元,计量单元和致动器。 壳体限定能够容纳多个剂量的治疗剂的贮存器。 递送单元限定递送容器,其可在关闭位置和延伸位置之间移动,并且当输送单元处于伸出位置时能够将单位剂量的治疗剂输送到口腔中。 计量单元限定剂量容器,并且可以在剂量容器与储存器连通的装载位置和卸载位置之间移动,在卸载位置,当输送单元处于关闭位置时,剂量容器与输送容器连通。 致动器在致动时使得计量单元从装载件移动到卸载位置,以便计量单位剂量并将单位剂量从储存器移动到输送容器。 致动器还防止输送单元从关闭位置移动直到计量单元从装载位置移动到卸载位置。