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ULTRASOUND-GUIDED PIERCING NEEDLE AND INDWELLING NEEDLE
ULTRASOUND-GUIDED PIERCING NEEDLE AND INDWELLING NEEDLE
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机译:超声波穿刺针和留置针
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摘要
An ultrasound-guided piercing needle constituting the internal needle of an indwelling needle has ridged and grooved portions which reflect ultrasonic waves. The ridged and grooved portions comprise grooves, which are disposed on the outer periphery near the tip having a blade face, and ridges, which are arranged on both sides of the grooves.
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