Methods During the operation, the cranial flap were kept floating on the pachymeninx of bone window repaired carefully.
方法术中硬脑膜减张严密修复，让骨瓣漂浮于骨窗硬脑膜上。
2
The operation mode needs operate with two hands, having the disadvantages of easy brain tissue losing, the irregular cutting edge of the pachymeninx and long time needed.