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    • 6. 发明公开
    • SAFETY MECHANISM FOR REMAINING NEEDLE AND REMAINING NEEDLE WITH SAME
    • 剩余针和剩余针的安全机制
    • EP3315152A1
    • 2018-05-02
    • EP16813740.4
    • 2016-06-24
    • Sol-Millennium Medical HK Limited
    • LIN, Zuoqian
    • A61M5/158
    • A61M5/158A61M25/0612A61M2005/1585A61M2005/1586
    • The present utility model discloses a safety mechanism for a retaining needle and a retaining needle having the safety mechanism. The retaining needle comprises a hollow handle and a needle seat at least partially disposed within the handle for receiving a puncture needle, the safety mechanism comprises: a snapping step disposed at an inner side of the hollow handle; at least one elastic arm radially spreading outward disposed on the needle seat, an end portion of the elastic arm has a snapping portion radially protruding outward, the snapping portion being engaged with the snapping step; a button disposed on a distal side portion of the handle; the button, when being depressed, pushing the elastic arm along a radial inward direction, such that while the snapping portion of the elastic arm is disengaged from the snapping step, the needle seat and the puncture needle stretching outside of the handle are retracted into the hollow handle by virtue of vacuum within the hollow handle.
    • 本实用新型公开了一种具有该安全机构的止动针和止动针的安全机构。 所述保持针包括中空手柄和至少部分设置在所述手柄内用于接收穿刺针的针座,所述安全机构包括:设置在所述中空手柄内侧的卡扣台阶; 所述弹性臂的端部具有径向向外突出的卡扣部,所述卡扣部卡合于所述卡扣台阶; 布置在手柄的远侧部分上的按钮; 所述按钮在被压下时沿着径向向内的方向推动所述弹性臂,使得当所述弹性臂的所述扣合部分与所述扣合步骤脱离时,所述针座和伸出所述手柄外侧的所述穿刺针缩回到 凭借中空手柄内的真空获得中空手柄。