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    IMPROVEMENTS IN AND RELATING TO A PEN-TYPE INJECTOR
    26.
    发明公开
    IMPROVEMENTS IN AND RELATING TO A PEN-TYPE INJECTOR 有权
    VERBESSERTER笔者

    公开(公告)号：EP1601395A2

    公开(公告)日：2005-12-07

    申请号：EP04716557.6

    申请日：2004-03-03

    申请人： DCA Design International Limited

    发明人： VEASEY, Robert, Frederick ,  LANGLEY, Christopher, Nigel ,  WIMPENNY, Steven

    IPC分类号： A61M5/315 ,  A61M5/24 ,  A61M5/32

    CPC分类号： A61M5/31528 ,  A61M5/24 ,  A61M5/2422 ,  A61M5/31501 ,  A61M5/31511 ,  A61M5/31526 ,  A61M5/31533 ,  A61M5/31541 ,  A61M5/3155 ,  A61M5/31551 ,  A61M5/3156 ,  A61M5/31583 ,  A61M5/31585 ,  A61M5/31593 ,  A61M2205/581 ,  A61M2205/582

    摘要： The invention relates to a drive mechanism for use in a drug delivery device for dispensing a medicinal product comprising: a housing (154) having an external thread (150); a piston rod (20") having a generally circular section; a dose dial sleeve (70"'), which is threadedly engaged with the external thread (150) of the housing (154) and being rotatable with respect to the housing (154); a drive sleeve (30'), located between the housing (154) and the piston rod (20"), a clutch means (60"") located between the drive sleeve (30') and the dose dial sleeve (70"'), in which e) when the dose dial sleeve (70"') and the drive sleeve (30') are de-coupled by the said clutch means (60""), rotation of said dose dial sleeve (70"') with respect to the said drive sleeve (30') is allowed; and f) when the dose dial sleeve (70"') and drive sleeve (30') are coupled by the said clutch means (60""), rotation of the dose dial sleeve (70"') with respect to the said drive sleeve (30') is prevented, A nut (40') is located between the drive sleeve (30') and the housing (154), the nut (40') having a thread that is engaged with a thread of the drive sleeve (30') and the nut (40') and the housing (154) being keyed together by means of longitudinally directed splines to prevent rotation between the nut (40') and the housing (154) while allowing relative longitudinal movement therebetween.

    摘要翻译： 本发明涉及一种用于药物输送装置用于分配医药产品的驱动机构，包括：具有外螺纹（150）的壳体（154）; 具有大致圆形截面的活塞杆（20“）;与所述壳体（154）的外螺纹（150）螺纹接合且能够相对于壳体（154）旋转的剂量拨片套筒（70”'） ）; 位于所述壳体（154）和所述活塞杆（20“）之间的驱动套筒（30'），位于所述驱动套筒（30'）和所述剂量拨号套筒（70”）之间的离合器装置（60“ ），其中e）当所述剂量拨盘套筒（70“'）和所述驱动套筒（30'）通过所述离合器装置（60”）解耦时，所述剂量拨号套筒（70“'）的旋转 相对于所述驱动套筒（30'）被允许; 以及f）当所述剂量拨盘套筒（70“'）和驱动套筒（30'）通过所述离合器装置（60”）联接时，剂量拨片套筒（70“'）相对于所述驱动器 防止套筒（30'），螺母（40'）位于驱动套筒（30'）和壳体（154）之间，螺母（40'）具有与驱动套筒 （30'）和螺母（40'）和壳体（154）通过纵向定向的花键键合在一起，以防止螺母（40'）和壳体（154）之间的旋转，同时允许它们之间的相对纵向运动。

    DRIVE MECHANISM FOR AN INJECTION DEVICE
    30.
    发明公开
    DRIVE MECHANISM FOR AN INJECTION DEVICE 有权
    注射装置的驱动机构

    公开(公告)号：EP1353712A1

    公开(公告)日：2003-10-22

    申请号：EP01272093.4

    申请日：2001-12-21

    申请人： DCA Design International Limited

    发明人： LANGLEY, Christopher Nigel ,  DAY, Shane, Alistair ,  VEASEY, Robert, Frederick ,  WOOLSTON, Robert

    IPC分类号： A61M5/145 ,  A61M5/142

    CPC分类号： A61M5/14244 ,  A61M5/14566 ,  A61M5/20 ,  A61M5/31525 ,  A61M5/31546 ,  A61M2005/31588 ,  A61M2205/215 ,  A61M2205/50 ,  A61M2205/6018 ,  A61M2205/8206 ,  G06F19/00 ,  Y10S128/01

    摘要： An injection device having a drive mechanism to expel selectively a dose of medicament from a medicament cartridge through a needle unit is disclosed. The injection device further comprises an electronic control unit to control the drive mechanism, and a dispense button to generate a dispense button signal to the electronic control unit indicative of the dose to be expelled in which an arm button causes a first arm button signal to be sent to the electronic control unit to permit the dose to be expelled.

    摘要翻译： 公开了一种用于注射装置的驱动机构，其中活塞装置被选择性地驱动以从药筒内排出药物。 驱动机构包括与第一棘轮装置（178）相关联的驱动装置（170），与活塞装置（180）相关联的第二棘轮装置（174），壳体（176），第一棘轮装置（178）和 第二棘轮装置（174）设置在壳体（176）内。 第二棘轮装置（174）通过偏置装置（182）偏向第一棘轮装置（178）。 驱动装置170可往复驱动以沿第一角度方向驱动第一棘轮装置178，使得第一棘轮装置178沿其纵向轴线驱动第二棘轮装置174抵靠偏置装置182 ）沿其运动的至少一部分移动，并随后沿第二角度方向将第一棘轮装置（178）和第二棘轮装置（174）一起驱动，从而驱动活塞装置（180）。