Methods 44 cases with 53 wounds were divided into Groups A and B,whose wounds were covered with manual occlusive dressing and compound occlusive dressing,respectively.

• 方法将44例计53处四类伤口按基本条件相当原则分为A、B两组，A组伤口采用自制棉纱敷料封闭，B组则采用合成敷料封闭。