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    • 6. 发明申请
    • DOSAGE INHALATOR PROVIDING OPTIMIZED COMPOUND INHALATION TRAJECTORY
    • 剂量吸入器提供优化的化合物吸入途径
    • WO1994004210A1
    • 1994-03-03
    • PCT/US1993007312
    • 1993-08-04
    • GLAXO INC.EVANS, Rix, Earl
    • GLAXO INC.
    • A61M15/00
    • A61M15/0065A61M2202/064
    • A breath actuated dry powder medicament inhaler (10) has a primary air passageway (14) therethrough defining a venturi (14c) in the medial portion thereof. A second air passageway (16) is provided which contains a compound deaggregating swirl chamber (16c) and is fluidly connected to the venturi (14c). A dry powder storage chamber (18) and cooperatively associated metering plate (18b) act to introduce a predetermined amount of compound into the swirl chamber upon actuation of the metering plate. The primary air passageway (14) is configured within the inhalator apparatus so as to create an optimized air flow trajectory through the mouth of the user to minimize dry powder compound impingement upon the outside radius of the throat.
    • 呼吸致动的干粉药物吸入器(10)具有穿过其中间部分限定文丘里管(14c)的一次空气通路(14)。 提供了第二空气通道(16),其包含复合解聚涡旋室(16c)并且流体地连接到文丘里管(14c)。 干粉存储室(18)和配合关联的计量板(18b)用于在计量板致动时将预定量的化合物引入涡流室。 主空气通道(14)构造在吸入器装置内,以便通过使用者的口产生优化的空气流动轨迹,以使干粉混合物撞击在喉部的外半径上。