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    INJECTION DEVICE
    6.
    发明公开
    INJECTION DEVICE 有权
    注射装置

    公开(公告)号：EP2755705A1

    公开(公告)日：2014-07-23

    申请号：EP12756481.3

    申请日：2012-09-11

    申请人： Sanofi-Aventis Deutschland GmbH

    发明人： EKMAN, Matthew ,  SMITH, Christopher James ,  BAKER, Troy ,  WILSON, Graham ,  ROBERTS, Gareth ,  SLEMMEN, John

    IPC分类号： A61M5/50 ,  A61M5/32

    CPC分类号： A61M5/3204 ,  A61M5/3202 ,  A61M5/326 ,  A61M2005/3263 ,  A61M2005/3267 ,  A61M2205/586

    摘要： According to the invention, an injection device (1) for administering a liquid comprises a pre-filled syringe (3) and a safety mechanism for providing needle safety for an injection needle (3.2) of the pre-filled syringe (3). The pre-filled syringe (3) comprises a barrel (3.1) containing the liquid, a stopper (3.5) translatably disposed within the barrel (3.1), the injection needle (3.2) attached to a distal end of the barrel (3.1). The safety mechanism comprises a substantially cylindrical housing (2) adapted to contain the pre-filled syringe (3), a plunger (4) connectable to the stopper (3.5) of the pre-filled syringe (3) and adapted to be translated in a distal direction (D) to expel the liquid through the injection needle (3.2), an energizable biasing means (6) arranged between the housing (2) and the pre-filled syringe (3), wherein the energized biasing means (6) is capable of biasing the pre-filled syringe (3) with respect to the housing (2) in a proximal direction (P) and a retaining mechanism for retaining the pre-filled syringe (3) with respect to the housing (2) in a first retracted position(R1), in an advanced position (A) and in a second retracted position (R2). The injection needle (3.2) is covered by the housing (2) in the first and second retracted positions (R1, R2) and projects distally from the housing (2) in the advanced position (A). The biasing means (6) is arranged in a non-energized state when the pre-filled syringe (3) is in the first retracted position (R1). The biasing means (6) is adapted to be energized upon translation of the pre-filled syringe (3) from the first retracted position (R1) to the advanced position (A) so as to bias the syringe (3) from the advanced position (A) towards the second retracted position (R2).

    摘要翻译： 根据本发明，用于给予液体的注射装置（1）包括预填充注射器（3）和用于为预填充注射器（3）的注射针（3.2）提供针头安全性的安全机构。 预填充注射器（3）包括容纳液体的桶（3.1），可移动地设置在桶（3.1）内的塞子（3.5），注射针（3.2）附接到桶（3.1）的远端。 该安全机构包括适于容纳预填充注射器（3）的基本上圆柱形的壳体（2），可连接到预填充注射器（3）的塞子（3.5）并且适于平移的柱塞（4） 通过注射针（3.2）排出液体的远侧方向（D），布置在壳体（2）和预填充注射器（3）之间的可通电偏置装置（6），其中通电偏置装置（6） 能够沿近侧方向（P）相对于所述壳体（2）偏置所述预填充注射器（3），并且所述保持机构用于将所述预填充注射器（3）相对于所述壳体（2）保持在 第一缩回位置（R1）处于前进位置（A）和第二缩回位置（R2）。 在第一和第二缩回位置（R1，R2）中，注射针（3.2）被壳体（2）覆盖并且在提前位置（A）从壳体（2）向远侧突出。 当预填充注射器（3）处于第一缩回位置（R1）时，偏置装置（6）布置在非通电状态。 偏置装置（6）适于在预填充注射器（3）从第一缩回位置（R1）平移到前进位置（A）时被通电，以便将注射器（3）从前进位置 （A）朝向第二缩回位置（R2）。

    TRIGGER MECHANISM FOR A DRUG DELIVERY DEVICE
    10.
    发明公开
    TRIGGER MECHANISM FOR A DRUG DELIVERY DEVICE 审中-公开
    触发机理的药物递送装置

    公开(公告)号：EP2408496A1

    公开(公告)日：2012-01-25

    申请号：EP10709002.9

    申请日：2010-03-17

    申请人： Sanofi-Aventis Deutschland GmbH

    发明人： SMITH, Christopher James

    IPC分类号： A61M15/00

    CPC分类号： A61M15/0091 ,  A61M5/2033 ,  A61M11/007 ,  A61M15/009 ,  A61M2005/2013 ,  A61M2202/064 ,  A61M2205/8281

    摘要： The invention relates to a trigger mechanism for a drug delivery device comprising at least one energy storing element, an actuation element and a series of cascaded trigger elements. The trigger elements are pre-stressed with increasing pre-stressing and coupled to the at least one energy storing element such that the trigger elements, upon exerting a sufficient actuation force (Fa, U) on the actuation element, cause a cascaded release of increasing portions of energy stored in the at least one energy storing device. At least one of the trigger elements is equipped with a latch element directly coupling at least two trigger elements such that the latch element restrains at least one of these trigger elements to its pre-stressed state before exerting the actuation force (Fa, U).