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    • 5. 发明授权
    • Medication dispensing apparatus with gear set having drive member accommodating opening
    • 具有齿轮组的药物分配装置具有驱动构件容纳开口
    • US07857791B2
    • 2010-12-28
    • US10598989
    • 2005-03-25
    • Alexander Thomas JacobsJared Alden Judson
    • Alexander Thomas JacobsJared Alden Judson
    • A61M5/315
    • A61M5/31555A61M5/31536A61M5/31558A61M5/3157A61M5/31571A61M5/3158A61M5/502A61M2205/583
    • A medication dispensing apparatus having a gear set (62) to provide a mechanical advantage to the plunging of the apparatus plunger (64). The gear set has a first pinion (114) in meshed engagement with a rack (91) of the plunger, and a second pinion (126) in meshed engagement with a rack (80) of a drive member (68) of the apparatus. The gear set operatively interconnects the plunger and the drive member such that after the plunger is moved relative to the housing (30, 31) in proximal direction to prepare the apparatus for injection, the plunger, when distally moved, causes the drive member to advance in a distal direction to force medication through an outlet, typically provided with an injection needle (40), at the distal end (22) of the apparatus. An opening (130) through one of the pinions accommodates the drive member to allow for a compact apparatus.
    • 一种药物分配装置,具有齿轮组(62),以为装置柱塞(64)的突入提供机械优点。 齿轮组具有与柱塞的齿条(91)啮合的第一小齿轮(114)和与装置的驱动部件(68)的齿条(80)啮合的第二小齿轮(126)。 齿轮组可操作地将柱塞和驱动构件相互连接,使得在柱塞相对于壳体(30,31)沿近端方向移动以准备注射装置之后,柱塞在远端移动时使驱动构件前进 在远端方向上,以迫使药物通过出口,通常在设备的远端(22)处设置有注射针(40)。 通过一个小齿轮的开口(130)容纳驱动构件以允许紧凑的装置。
    • 9. 发明授权
    • Medication dispensing apparatus with spring-driven locking feature enabled by administration of final dose
    • 具有弹簧驱动锁定功能的药物分配装置通过施用最终剂量而实现
    • US07517334B2
    • 2009-04-14
    • US10598987
    • 2005-03-25
    • Alexander Thomas JacobsJared Alden JudsonGordon Davidson Row
    • Alexander Thomas JacobsJared Alden JudsonGordon Davidson Row
    • A61M5/00A61M5/315
    • A61M5/3158A61M5/24A61M5/31511A61M5/31541A61M5/31555A61M5/31558A61M5/3157A61M5/31571A61M5/502A61M2005/2407
    • A medication dispensing apparatus with a spring-driven locking feature includes a drive member movable in a distal direction within a housing, and a fluid container with a piston that is advanceable by the drive member (60) when such drive member is moved distally by a driving means. The apparatus includes a latching element (180) having a skid (190) that is slidable along a surface of the drive member as the drive member passes distally during advancement. The drive member is arranged with the skid so as to maintain a latching lip of the latching element against a spring force in a first position free of the driving means during dose preparing and injecting prior to a final dose administration. The skid-engaging surface shifts distally of the skid such that the skid passes beyond a proximal end of that surface upon administration of a final dose, whereby the latching lip is urged by the spring force from the first position to a second position to physically lock the driving means to prevent further dose preparing and injecting.
    • 具有弹簧驱动的锁定特征的药物分配装置包括可在壳体内沿远端方向移动的驱动构件和具有活塞的流体容器,该驱动构件当该驱动构件向远侧移动时可由驱动构件(60)推进 驾驶手段。 所述装置包括具有滑动件(190)的闩锁元件(180),当所述驱动构件在推进期间向远侧方向移动时,所述滑动件可沿着所述驱动构件的表面滑动。 驱动构件布置有滑动件,以便在最终剂量给药之前的剂量制备和注射期间,保持闩锁元件的闩锁唇抵抗弹簧力而在没有驱动装置的第一位置。 防滑接合表面向滑轨的远侧移动,使得当施加最终剂量时,滑动件超过该表面的近端,由此锁定唇被弹簧力从第一位置推动到第二位置以物理锁定 防止进一步剂量制备和注射的驱动手段。