Methods ompared with vaseline gauze used as control group, the porket skin biological dressing were dressed on the wounds after the operation.

• 方法:用凡士林纱布做对照,将乳猪皮生物敷料覆盖猪皮肤缺损创面,观察创面面积、愈合时间、炎性反应及肉芽生长等组织学改变。