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1. 发明申请

WO1997030743A2 POWDERED MEDICATION INHALER 审中-公开
标题翻译：粉末药物吸入器
公开(公告)号：WO1997030743A2
公开(公告)日：1997-08-28
申请号：PCT/US1997001562
申请日：1997-02-13
申请人： SCHERING CORPORATION
发明人： SCHERING CORPORATION , AMBROSIO, Thomas, J. , BENSON, Warren, A., Jr. , DAO, Kim, C. , KENYON, David, J. , KREISEDER, Walter, J. , SCHONEBAUM, Theodore, J. , VOGEL, Allen, J. , WALKER, Louis, B. , YANG, Tsong-Toh
IPC分类号： A61M15/00
CPC分类号： A61M15/0065 , A61M11/002 , A61M15/0025 , A61M15/0068 , A61M15/0073 , A61M15/008 , A61M15/0081 , A61M2202/064 , G06M1/163
摘要： A powder dispenser includes a reservoir body including a supply of powder and an inhalation conduit; a driving body for rotating the reservoir body and including upper recesses and two spring fingers in lower driving recesses thereof; a rotatable metering plate for carrying a metered amount of powder from the supply to theinhalation conduit, and having an underside with ribs; a gas permeable retainer welded to the ribs; a spring biasing the metering plate toward the reservoir body; a nozzle having spiked ribs welded in the upper recesses of the driving body and including a chimney with vertical flutes; an adapter non-rotatably mounted with respect to the metering plate and including two locking recesses for receiving the spring fingers for locking engagement and two helical cam tracks with a square cross section; a closure cap covering the driving body and including priming ribs biasing the spring fingers out of the locking recesses and engaging with the locking recesses to rotate the driving body, and two cams riding within the cam tracks; a base non-rotatably connected with the metering plate; and a counter rotatably mounted on the base and including rotatable counter rings providing a visual count of the number of doses of powder to be dispensed, and a pawl assembly engaging with gear teeth of the counter rings for rotating the same, the pawl assembly including an outer wall, a pawl and a pawl spring integrally molded as a single piece.
摘要翻译：粉末分配器包括储存器主体，其包括粉末供应源和吸入管道; 驱动体，用于使贮存器本体旋转并且在其下驱动凹部中包括上凹部和两个弹簧指; 可旋转计量板，用于将来自供给到计量管道的计量的粉末携带，并且具有带肋的下侧; 焊接在肋上的可透气保持架; 将所述计量板朝向所述储存器本体偏压的弹簧; 具有焊接在所述驱动体的上部凹部中并且包括具有垂直槽纹的烟囱的喷嘴的喷嘴; 相对于计量板不可旋转地安装的适配器，并且包括用于接收用于锁定接合的弹簧指的两个锁定凹槽和具有正方形横截面的两个螺旋形凸轮轨道; 覆盖所述驱动体的闭合帽，并且包括将所述弹簧指从所述锁定凹部偏置的引导肋，并且与所述锁定凹部接合以使所述驱动体旋转，以及两个凸轮骑在所述凸轮轨道内; 与计量板不可旋转地连接的基座; 以及计数器，其可旋转地安装在所述基座上并且包括可旋转的相对环，其提供待分配的粉末的剂量的视觉计数;以及棘爪组件，其与所述计数器环的齿轮齿接合以旋转所述棘爪组件，所述棘爪组件包括整体模制成单件的外壁，棘爪和棘爪弹簧。

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