To compare the extracorporeal knot-tying suture with metallic endoclips in laparoscopic appendiceal stump closure in terms of complications, operative time, hospital stay and cost.

比较打结缝合在并发症发生率、腹腔镜阑尾残端闭合金属夹的体外结手术时间、住院时间和费用方面。

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Surgical robot; "MicroHand" system; knot tying of suture; knot theory; "Twisting knot tying"; "Twining knot tying".

外科手术机器人；“妙手”系统；缝合线打结；纽结理论；“扭转打结”法；“缠绕打结”。

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