Objective: Titanium clips, absorbable clips, electrome and ultrasonically activated scalpels are the usual method used in sealing vessel in laparoscopic operation.

• 目的：钛夹、可吸收夹、电刀、超声止血刀是腹腔镜外科手术封合管腔的常用方法，但是管腔封合不当可出现大出血、漏等严重并发症。