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32222222222222222222KOperating paved sterile towels. with 1% procaine scheduled puncture points infiltration anesthesia, assistant fingers to press the buttons jugular Triangle, blocked vein blood filling. (6) the operator with a needle and the skin was 45 degrees needle, After re-Paper angle of 25 degrees along the direction of the external jugular vein piercing, to see the blood, with the left thumb to press the pinhole, right hand holding a prepared silica tubes and connecting with the 10 ml syringe, Quick to silicone tube inserted by pinhole 10-12cm, with intubation assistant with a needle. slowly injected liquid. suppress the proximal external jugular vein, down from 10 cm syringes, needle withdrawal. Withdrawal at the primary fixed silicone tube without rendering its discredit, the EOC will needles silicone tube