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    • 1. 发明申请
    • PREFILLED SYRINGE
    • 预先注射
    • WO03074103A2
    • 2003-09-12
    • PCT/JP0213690
    • 2002-12-26
    • TERUMO CORPKASAI MASAAKITACHIKAWA KOUICHIKOYAMA SHINGO
    • KASAI MASAAKITACHIKAWA KOUICHIKOYAMA SHINGO
    • F16J15/10A61M20060101A61M5/28A61M5/31A61M5/315A61M
    • A61M5/31596A61M5/2459A61M5/31513A61M2005/2462A61M2005/31598
    • A two-chamber type prefilled syringe (1A), wherein chemical (100) is stored in a first space (27) surrounded by an outer tube (2) and a first gasket (3) and liquid (200) is stored in a second space (46) surrounded by an inner tube (4) and a second gasket (5), and when an opening/closing mechanism part (7A) capable of switching the state of communication between the first space (27) and the second space (46) is opened and the inner tube (4) is moved in the base end direction thereof relative to the outer tube (2), the liquid (200) flows into the first space (27), and the second gasket (5) in the inner tube (4) slidably moves in the tip direction of the inner tube, whereby, since a large worn portion formed of the broken part (56) of a coated layer (55) is provided on the second gasket (5) moved near the tip of the inner tube (4), the second gasket (5) can be prevented from returning in the base end direction of the inner tube.
    • 二室式预充式注射器(1A),其中化学品(100)储存在由外管(2)和第一垫圈(3)和液体(200)围绕的第一空间(27)中,第二 由内管(4)和第二垫片(5)包围的空间(46),以及当能够切换第一空间(27)和第二空间(27)之间的连通状态的开闭机构部(7A) 46)打开,内管(4)相对于外管(2)在其基端方向移动,液体(200)流入第一空间(27),第二垫圈(5) 内管(4)在内管的顶端方向上可滑动地移动,由此,由第二垫圈(5)上的被涂层(55)的断裂部分(56)形成的大的磨损部分设置在靠近 可以防止内管(4)的前端,第二垫圈(5)在内管的基端方向返回。