在软组织充分扩张后安放管状牵开器系统。
A tubular retractor system is subsequently deployed after tissue dilation is performed.
取出通道牵开器，使组织闭合，表面伤口用小敷料包扎。 。
The tubular retractor is removed, allowing the tissue to close. The surface wound is covered with a samll bandage.
取出通道牵开器，使组织闭合，表面伤口用小敷料包扎。 。
The tubular retractor is removed, allowing the tissue to close. The surface wound is covered with a samll bandage.
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