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    • 1. 发明申请
    • INCREASED DOSAGE METERED DOSE INHALER
    • 增加剂量计量剂吸入剂
    • WO2004041340A3
    • 2005-02-24
    • PCT/US0334473
    • 2003-10-30
    • NEKTAR THERAPEUTICSSCHULER CARLOSCLARK ANDREW RWALSH KEVIN RALSTON WILLIAM
    • SCHULER CARLOSCLARK ANDREW RWALSH KEVIN RALSTON WILLIAM
    • A61M15/00B65D83/14B65D83/52
    • B65D83/54A61M15/009
    • An aerosolization apparatus (100) comprises a container (105) containing a pharmaceutical formulation, the pharmaceutical formulation comprising an active agent and a propellant. The aerosolization apparatus (100) further comprises a metering chamber (130) in communication with the container (105), the metering chambe (130) adapted to hold a metered amount of the pharmaceutical formulation, a valve (140) to allow the metered amount of the pharmaceutical formulation to be released from the metering chamber (130) when the valve (140) is actuated, and a pressurizer (165) that applies pressure to the pharmaceutical formulation in the metering chamber (130) while the pharmaceutical formulation is being released from the metering chamber (130). In one version, the metering chamber (130) is sized so that at least 2 mg, and preferably at least 5 mg, of the active agent is be aerosolized for delivery to a user during inhalation.
    • 雾化装置(100)包括容纳药物制剂的容器(105),所述药物制剂包含活性剂和推进剂。 雾化装置(100)还包括与容器(105)连通的计量腔室(130),计量腔体(130)适于容纳计量的药物制剂,阀(140)允许计量量 所述药物制剂在所述阀(140)被致动时从所述计量室(130)释放;以及加压器(165),其在所述药物制剂被释放时向所述计量室(130)中的药物制剂施加压力 从计量室(130)。 在一个版本中,计量室(130)的尺寸使得至少2mg,优选至少5mg的活性剂被雾化以在吸入期间输送给使用者。