RETRACTED: A Tuohy needle with engrave processing at the tip of the bevel is the safety needle for ultrasound-guided nerve block.
Department of Anesthesiology, Showa University Hospital, Tokyo, Japan. Electronic address: ueshimhi@yahoo.co.jp.
Hironobu
H
Ueshima
Department of Anesthesiology, Showa University Hospital, Tokyo, Japan.
Hiroshi
H
Otake
D004209:Disposable Equipment; D004867:Equipment Design; D006801:Humans; D009339:Needles; D009407:Nerve Block / Q000295:instrumentation*; D018084:Ultrasonography, Interventional
Engrave processing; Touhy needle; Visceral pain