1·Objective Observation of gynecologic laparoscopic surgery after general anesthesia butorphanol for continuous intravenous analgesic effect.
目的观察布托啡诺用于妇科腹腔镜全麻术后静脉持续镇痛的效果。
2·ObjectiveTo observe the effects of Butorphanol preemptive analgesia on brachial plexus nerve block.
目的：观察布托啡诺超前镇痛对臂丛神经阻滞麻醉效果的影响。