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    • 1. 发明申请
    • ADDITIVE FORCE DEVICE FOR DRUG DELIVERY PEN FOR INTRADERMAL MEDICATION INJECTION
    • 用于药物输注的添加剂装置用于入侵药物注射
    • WO2010056367A1
    • 2010-05-20
    • PCT/US2009/006146
    • 2009-11-17
    • BECTON, DICKINSON AND COMPANYBANIK, Robert
    • BANIK, Robert
    • A61M5/48
    • A61M5/31535A61M5/20A61M5/24A61M5/31551A61M5/31585A61M5/482A61M5/484A61M2005/2026
    • [0063] An additive force device (111) is connectible with a drug delivery device (100) to increase the amount of force exerted by a user on the dose setting knob (24) to facilitate injection. The additive force device (111) includes a first spring (121) and a loading barrel (135) connected to the first spring (121) for storing torque therein. A ratchet assembly (129) is connected to the loading barrel (135) and to the first spring (121). The ratchet assembly (129) has a first position in which torque is stored in the first spring (121) and a second position in which torque is released from the first spring (121). An inner barrel (133) is connected to the ratchet assembly and to the drug delivery device (100). The inner barrel (133) transmits the stored torque from the first spring (121) to the drug delivery device (100) to increase an injection force thereof.
    • 附加力装置(111)可与药物输送装置(100)连接,以增加用户施加在剂量调节旋钮(24)上的力量以便于注射。 附加力装置(111)包括连接到第一弹簧(121)的第一弹簧(121)和装载筒(135),用于在其中存储扭矩。 棘轮组件(129)连接到装载筒(135)和第一弹簧(121)。 棘轮组件(129)具有在第一弹簧(121)中存储扭矩的第一位置和从第一弹簧(121)释放扭矩的第二位置。 内筒(133)连接到棘轮组件和药物输送装置(100)。 内筒(133)将存储的扭矩从第一弹簧(121)传递到药物输送装置(100)以增加其注射力。