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    • 31. 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。
    • 38. 发明申请
    • MEDICATION CARTRIDGE PISTON
    • 药品盒活塞
    • US20090312716A1
    • 2009-12-17
    • US12307788
    • 2007-06-27
    • Ari Tao AdlerJames J. Collins, JR.Jose Colucci, JR.Jared Alden Judson
    • Ari Tao AdlerJames J. Collins, JR.Jose Colucci, JR.Jared Alden Judson
    • A61M5/315
    • A61M5/31513A61J1/065A61M5/31515A61M2005/31516
    • A medication cartridge piston of a cartridge for an injection device. In one form, the piston includes a body (32) formed of a first material and including an interior hollow with a rearward facing mouth allowing for insertion of a drive member of the injection device. The body includes a first portion and a second portion disposed rearwared of the first portion, a sealing gland (34) secured to the body and formed of a material that is less rigid than the first material, the sealing gland ringing at least an axial segment of the second portion and having at least one exterior periphery region for sealingly engaging an interior surface of the cartridge barrel, and the body first portion including a thrust surface (4S) within the interior hollow for direct abutment by the drive member, at least a portion of the thrust surface disposed forward of a forward edge of a forwardmost sealing gland exterior periphery region of the at least one exterior periphery region. This piston can be operatively pulled by the drive member in a forward direction within the cartridge barrel to dispense medication from the cartridge. In an alternate embodiment, a piston is provided which is adapted for use with different drive members of injection devices.
    • 用于注射装置的药筒的药筒活塞。 在一种形式中,活塞包括由第一材料形成并包括具有向后的嘴的内部空腔的主体(32),其允许插入注射装置的驱动构件。 本体包括第一部分和第二部分,该第一部分和第二部分设置在第一部分的后部,密封压盖(34)固定到主体并且由比第一材料刚性小的材料形成,密封压盖至少振动至少一个轴向部分 并且具有用于密封地接合盒筒的内表面的至少一个外周边区域,并且主体第一部分包括内部空心内的推力表面(4S),用于由驱动构件直接邻接,至少一个 推力表面的一部分设置在至少一个外周边区域的最前面的密封压盖外周边区域的前边缘的前方。 该活塞可以由驱动构件在筒筒内沿向前方向可操作地拉动,以从药筒分配药物。 在替代实施例中,提供适于与注射装置的不同驱动构件一起使用的活塞。