目的：探讨经脐入路行腹腔镜胆囊切除术的可行性。

Objective: to investigate the feasibility of laparoscopic cholecystectomy trough the transumbilical approach.

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目的探索“周氏脐刀”和“脐孔操作镜鞘气囊”做脐孔腔镜阑尾切除术以及其它腹部手术的微创优点。

Objective To investigate the advantages of the peritoneoscopic appendectomy through the umbilicus with Zhou s umbilicus lancet and trocar balloon.

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目的探索“周氏脐刀”和“脐孔操作镜鞘气囊”做脐孔腔镜阑尾切除术以及其它腹部手术的微创优点。

Objective To investigate the advantages of the peritoneoscopic appendectomy through the umbilicus with Zhou s umbilicus lancet and trocar balloon.

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