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    • 1. 发明申请
    • DELAY MECHANISM FOR AUTOMATIC INJECTION DEVICE
    • 自动注射装置延时机构
    • WO2008112472A3
    • 2008-11-20
    • PCT/US2008055892
    • 2008-03-05
    • LILLY CO ELIJAMES ADRIAN BENTONLISTER ROBERT IANSILBERSCHATZ PAUL JOSEPHMASON BRIAN JOSEPH
    • JAMES ADRIAN BENTONLISTER ROBERT IANSILBERSCHATZ PAUL JOSEPHMASON BRIAN JOSEPH
    • A61M5/20A61M5/32
    • A61M5/2033A61M5/3202A61M5/3204A61M5/326A61M2005/206A61M2005/2073A61M2005/3143
    • A delay mechanism for staging the operation of an automatic injection apparatus (20) to ensure medication contents are properly delivered prior to the needled syringe (32) of the apparatus being retracted. In one form, the delay mechanism includes a shuttle (50), a follower (110), a locking member, a damping compound, and a driver and a driver biasing element (44). The shuttle is for a needled syringe of the apparatus and includes a first latching element. The follower includes a second latching element and a cammable surface, which second latching element is for cooperating with the first latching element to limit motion of the shuttle relative to the follower in a second direction opposite the first direction. The locking member is movable from a locking position to a release position by engagement with the syringe plunger during an injection, the locking member, when in the locking position, preventing rotation of the follower relative to the shuttle, the locking member, when in the release position, allowing rotation of the follower relative to the shuttle. The damping compound is between the follower and a supporting surface to dampen rotation of the follower relative to the shuttle. The driver is rotatably fixed relative to the shuttle and includes a camming surface. The shuttle allowing retracting of the syringe needle into the housing of the automatic injection apparatus after injection.
    • 用于分级自动注射装置(20)的操作以确保药物内容物的操作的延迟机构在装置的针刺注射器(32)缩回之前被适当地递送。 在一种形式中,延迟机构包括梭(50),从动件(110),锁定构件,阻尼组件以及驱动器和驱动器偏置元件(44)。 梭子是针对该设备的针刺注射器,并且包括第一闭锁元件。 从动件包括第二闭锁元件和可雕刻表面,该第二闩锁元件用于与第一闩锁元件配合,以在与第一方向相反的第二方向上相对于从动件限制梭的运动。 锁定构件通过在注射期间与注射器柱塞接合而可从锁定位置移动到释放位置,当处于锁定位置时,锁定构件防止随动件相对于梭子的旋转,锁定构件当处于 释放位置,允许从动件相对于梭子的旋转。 阻尼复合物在从动件和支撑表面之间,以阻尼从动件相对于梭子的转动。 驱动器相对于梭子可旋转地固定并且包括凸轮表面。 穿梭器允许注射器针头在注射后将注射器针头缩回到自动注射装置的壳体中。