The tidal volume (VT), vital capacity (VC), respiratory rate (R) and pulse oxygen saturation of blood SPO2 were recorded before block, at 15 minutes after block and 5 minutes after the administration of K1 Dolantine(50 mg) and Droperidol(5mg)(D-Diu).

• 分别在阻滞前、阻滞后15min、用杜－氟合剂1u后分别5min分别记录潮气量（VT）、肺活量（VC）、呼吸频率（R），脉搏血氧饱和度（SPO2）。