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    • 2. 发明申请
    • INJECTION DEVICE
    • 注射装置
    • WO2004054645A2
    • 2004-07-01
    • PCT/GB2003/005494
    • 2003-12-17
    • CILAG AG INTERNATIONALHARRISON, Nigel, DavidBRADY, Matthew, JamesBERMAN, GregoryJOHNSTON, David, MaxwellHABESHAW, Rosemary, Louise
    • HARRISON, Nigel, DavidBRADY, Matthew, JamesBERMAN, GregoryJOHNSTON, David, MaxwellHABESHAW, Rosemary, Louise
    • A61M5/32
    • A61M5/326A61M5/2033A61M2005/206A61M2005/3143A61M2005/31516
    • An injection device including a housing for containing a syringe having a bore extending from an end surface, a needle communicating with the bore through the end surface and a dispensing piston movable in said bore towards said end surface so as to expel the contents of the syringe through the needle, the housing having an opening at one end through which the needle may extend, a resilient member for biassing the syringe and the needle inwardly off the housing, a first coupling element moveable towards said one end so as to move the needle of the syringe out of the opening and to move the dispensing piston of the syringe towards the end surface, a mechanism operable to release the syringe such that the needle moves inwardly off the housing, a drive coupling for extending from said first coupling element to the dispensing piston of the syringe so as to transfer movement of said first coupling element to the dispensing piston wherein the mechanism is triggered to release the syringe and includes components to delay release of the syringe until a predetermined period after being triggered such that it can be ensured that the dispensing piston reaches the end surface before the syringe is released and/or the mechanism includes an inertial mass moveable with the first coupling element and drive coupling and a release member actuable by the inertial mass to release the syringe such that when the dispensing piston releases the end surface of the syringe and the first coupling element and drive coupling stop moving, the inertial mass continues to move so as to actuate the release member to release the syringe.
    • 一种注射装置,包括用于容纳具有从端表面延伸的孔的注射器的壳体,通过端表面与孔连通的针,以及可在所述孔中朝向所述端表面移动的分配活塞,以便排出注射器的内容物 通过所述针,所述壳体在所述针可以延伸穿过的一端具有开口,用于将所述注射器和所述针向内偏离所述壳体的弹性构件,朝向所述一端可移动的第一联接元件, 所述注射器离开所述开口并且使所述注射器的分配活塞朝向所述端表面移动,所述机构可操作以释放所述注射器,使得所述针向内移出所述壳体;驱动联接器,用于从所述第一联接元件延伸到所述分配 以便将所述第一联接元件的运动传递到所述分配活塞,其中所述机构被触发以释放所述注射器 包括用于延迟注射器释放直到在被触发之后的预定时间段的释放的部件,使得可以确保在注射器被释放之前分配活塞到达端面,和/或该机构包括可与第一联接元件一起移动的惯性块,以及 驱动联接器和由惯性块致动的释放构件以释放注射器,使得当分配活塞释放注射器的端面并且第一联接元件和驱动联接件停止移动时,惯性质量块继续移动,以便致动 释放构件释放注射器。