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    • 46. 发明授权
    • Safety syringe
    • 安全注射器
    • US07927301B2
    • 2011-04-19
    • US12418556
    • 2009-04-03
    • Hsi-Hsun TsengChih-Ming WangPo-Liang LeeChun-Chieh Chuang
    • Hsi-Hsun TsengChih-Ming WangPo-Liang LeeChun-Chieh Chuang
    • A61M5/00
    • A61M5/3234A61M2005/323A61M2005/3241A61M2005/3242
    • A safety syringe includes an outer barrel, a needle unit, an outer barrel plug, an inner barrel, an inner barrel plug, a needle clamper, and a vacuum generating device. The needle unit is disposed within the front end of the outer barrel. The outer barrel plug is disposed within the outer barrel; the outer barrel plug is connected with the needle unit so as to fix the needle unit. The inner barrel plug is disposed within the front end of the inner barrel. The needle clamper is connected with the inner barrel plug. The needle clamper is able to clamp a rear opening of the needle unit. The vacuum generating device is disposed within the inner barrel, and the needle unit can be retracted into the inner barrel by the low pressure which is generated by the vacuum generating device.
    • 安全注射器包括外筒,针单元,外筒塞,内筒,内筒塞,针夹持器和真空产生装置。 针单元设置在外筒的前端内。 外桶塞设置在外筒内; 外筒塞与针单元连接,以固定针单元。 内筒塞设置在内筒的前端内。 针夹持器与内筒塞连接。 针夹具能够夹紧针单元的后开口。 真空发生装置设置在内筒内,并且针单元可以通过由真空发生装置产生的低压缩回到内筒中。