Background: Infraclavicular brachial plexus block has been widely used for surgical procedures below the mid humerus owing to its excellent anesthetic quality and ease of practice.

• 摘要背景：锁骨下臂神经丛阻断术，因有良好的麻醉效果与容易施行，临床上广泛运用于肱骨中段以下之上肢手术麻醉。