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PEN TYPE DEVICE FOR ULTRASOUND GUIDED FINE NEEDLE ASPIRATION CYTOLOGY AND BIOPSY
PEN TYPE DEVICE FOR ULTRASOUND GUIDED FINE NEEDLE ASPIRATION CYTOLOGY AND BIOPSY
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机译:超声引导下细针吸取细胞学和活检的笔型设备
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摘要
A pen type device for ultrasound guided fine needle aspiration cytology and biopsy comprises a hollow body having a needle hole, a sliding part slidably mounted inside the body, elastic members mounted inside the body, a syringe having a cylinder mounted, a rotating part disposed inside the sliding part and the body, a head screw-coupled to the rear end of the sliding part and drawn out from the body, and a negative pressure generating part mounted on the body to generate negative pressure to the syringe by pulling a piston of the syringe when a button located on the outer face of the body is pushed.
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