发明名称 LIQUID DISPENSER
摘要 There is provided a liquid administration device 10 including: an inner structure 1 that includes a cylindrical body 2 which can be filled with a liquid therein, a needle tube which is mounted in a distal portion of the cylindrical body 2, and a gasket 8; an operation member 5 which has a plunger 51 pressing the gasket 8 and performs a pressing operation through which the plunger 51 is moved to the cylindrical body 2 toward a distal direction while being pressed; an engagement portion that includes a first engagement portion which is provided in one of the inner structure 1 and the operation member 5 and a second engagement portion which is provided in the other one of the inner structure and the operation member, in which the engagement portion enters an engagement state where the pressing operation is inhibited when the first engagement portion and the second engagement portion are engaged with each other, and enters a released state where the pressing operation can be performed when the engagement state is released; and a rotary portion which makes the first engagement portion and the second engagement portion, being in the engagement state, relatively rotate around a central axis of the inner structure 1 and enter the released state.
申请公布号 EP2946801(A4) 申请公布日期 2016.10.05
申请号 EP20140740539 申请日期 2014.01.09
申请人 TERUMO KABUSHIKI KAISHA 发明人 IMAI, MASAOMI;FUKE, SHIGEAKI;ARINOBE, MANABU;HANDA, KENJI
分类号 A61M5/20;A61M5/31;A61M5/315;A61M5/32 主分类号 A61M5/20
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