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    • 21. 发明公开
    • PUNCTURE NEEDLE CARTRIDGE AND PUNCTURE DEVICE
    • 穿刺针筒和穿刺装置
    • EP2298173A1
    • 2011-03-23
    • EP09758400.7
    • 2009-06-04
    • Lightnix, Inc.
    • FUKUDA, Mitsuo
    • A61B5/151A61B5/15
    • A61B5/150458A61B5/150022A61B5/150282A61B5/15111A61B5/15113A61B5/15117A61B5/1513A61B5/15186A61B5/1519A61B5/15194
    • A puncture needle cartridge 20 detachably mounted on a puncturing device body to form a puncturing device is provided with a needle body 21 having a puncturing portion 212a, and also with a casing 22 for housing the needle body 21 and having openings 223, 224 that are respectively formed in front of and behind the needle body 21. The needle body 21 is mounted so as to be movable between a retracted position, wherein the tip 212c of the puncturing portion is retraced in the casing 22, and an extended position, wherein the tip 212c of the puncturing portion is projected outward from the casing 22 by receiving a pressing force from the puncturing device body. The needle body 21 has a biasing means for biasing the needle body 21 from an extended position towards a retracted position. The puncture needle cartridge can be mass-produced at low cost, and enables a user to perform puncturing safely and easily.
    • 可拆卸地安装在穿刺装置主体上以形成穿刺装置的穿刺针筒20设置有具有穿刺部分212a的针体21,以及用于容纳针体21并且具有开口223,224的壳体22 分别形成在针体21的前方和后方。针体21被安装成可在缩回位置和伸出位置之间移动,其中穿刺部分的尖端212c在壳体22中缩回, 穿刺部分的尖端212c通过接收来自穿刺装置主体的压力而从壳体22向外突出。 针体21具有用于将针体21从伸出位置朝向缩回位置偏压的偏压装置。 刺针筒可以以低成本大量生产,并且使得使用者能够安全且容易地执行穿刺。