Keywords Anesthesia;local Nerve block Lumbosacral plexus Sciatic nerve Levobupivacaine/ therapeutic use Arthroscopy Knee joint;

• 关键词麻醉;局部;神经传导阻滞;腰骶丛;坐骨神经;左旋布比卡因/治疗应用;关节镜检查;膝关节;