AIM: to explore the clinical feasibility and superiority of hand-assisted laparoscopic surgery (HALS) technique through lap disc hand-assisted device and to extend the application range of HALS.
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结论:蓝碟手助器的良好性能特点能很好满足该手术的需要。
CONCLUSION: the lap disc hand-assisted device can fairly meet the demands of minimally invasive operation.