The sham operation group was only given neck skin discission to expose the left carotid.
假手术组仅切开颈部皮肤，暴露左侧颈总动脉。
The patients underwent routine surgery, and the mean operation time was recorded from skin discission to incision close except closed reduction.
按常规手术方式进行手术，平均手术时间从切开皮肤至关闭伤口计算，闭合复位的时间不纳入统计。
ConclusionsThe technique of suture needle puncture and discission of bile duct is a simple, effective and safe method for laparoscopic common duct exploration.
结论：缝针穿刺切开胆管法是一种在腹腔镜下简单、有效和安全的解剖及切开胆总管的方法。
ConclusionsThe technique of suture needle puncture and discission of bile duct is a simple, effective and safe method for laparoscopic common duct exploration.
结论：缝针穿刺切开胆管法是一种在腹腔镜下简单、有效和安全的解剖及切开胆总管的方法。
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