Abstract： Objective To evaluate bladder encapsulation with sigmoid muscular flap for the treatment of detrusor underactivity.

摘 要： 目的 介绍一种治疗膀胱逼尿肌收缩无力的新术式--乙状结肠肌瓣包膀胱术。

Objective To explore the muscular flaps design,metastasis and precation for necrose for head and neck neoplasm s defect after operation.

目的探讨头颈肿瘤术后组织缺损所需各肌皮瓣的设计、制备、转移和预防肌皮瓣坏死的措施。