Methods Full thickness suture out of the peritoneum which consist of skin,subcutaneous tissues,aponeurosis of obliquus externus abdominis,obliquus internus abdominis,transverses abdominis.

• 方法不缝合腹膜,在腹膜外将皮肤、皮下组织、腹外斜肌腱膜、腹内斜肌、腹横肌一层缝合。