A tubular retractor system is subsequently deployed after tissue dilation is performed.
在软组织充分扩张后安放管状牵开器系统。
2
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。 。
3
Objeetive: Stretch the brain by brain retractor, use microdialysis technique to monitor local cerebral tissue, Dynamic collection of extracellular fluid (ECF) in the biochemical substances.