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    • 4. 发明申请
    • INHALER
    • WO2004026380A3
    • 2004-08-26
    • PCT/GB0304137
    • 2003-09-17
    • AVENTIS PHARMA LTDYOUNG DUNCAN GRANTWELLS SIMON PAULLEDGEWAY ANDREW JAMESLACY GRAHAM KEITHSWAN JULIAN FRANCIS RALPH
    • YOUNG DUNCAN GRANTWELLS SIMON PAULLEDGEWAY ANDREW JAMESLACY GRAHAM KEITHSWAN JULIAN FRANCIS RALPH
    • A61M15/00G06M1/04G06M1/16G06M1/24
    • A61M15/0065A61M15/0068A61M15/0073A61M2202/064G06M1/041G06M1/163G06M1/241
    • A dry powder inhaler (10) for administering a dose of a medicament comprises a reservoir (16) holding the medicament, an air channel assembly (14) engaged with, and movable relatively to, the reservoir for receiving the dose of medicament upon said relative motion, and a counter (26) for counting a number of doses dispensed from the reservoir or that can still be delivered before the inhaler is considered empty. The counter comprises a first indicator member (30) which moves one increment in response to said relative motion, and a second indicator member (34) which moves intermittently in response to motion of the first indicator member (30). A rotatory intermittent drive transfer mechanism (32) is positioned between and engageable with the first and second indicator members. The first indicator member drives the rotatory intermittent drive transfer mechanism (32). The rotatory intermittent drive transfer mechanism (32) drives the second indicator member intermittently upon motion of the first indicator member. The first and second indicator members have indicia (40, 42) thereon for displaying the number of doses dispensed from the reservoir or that can still be delivered before the inhaler (20) is considered empty.
    • 用于给药剂量的干粉吸入器(10)包括容纳药物的储存器(16),与所述储存器接合并相对于所述储存器移动的空气通道组件(14),用于在所述相对位置 运动和用于对从储存器分配的剂量进行计数的计数器(26),或者在吸入器被认为是空的之前仍然可以传送的剂量的计数器(26)。 计数器包括响应于所述相对运动而移动一个增量的第一指示器构件(30)和响应于第一指示器构件(30)的运动间歇地移动的第二指示器构件(34)。 旋转间歇驱动传递机构(32)定位在第一和第二指示器构件之间并可与第一和第二指示器构件接合。 第一指示器构件驱动旋转间歇驱动传递机构(32)。 旋转间歇驱动传递机构32在第一指示器构件运动时间歇地驱动第二指示器构件。 第一和第二指示器构件上具有用于显示从储存器分配的剂量的数量的标记(40,42),或者在吸入器(20)被认为是空的之前仍可以传送的剂量。