big bone flap的用法和样例：
- standard craniectomy with big bone flap extended to pterion
- All cases were treated by clearance of hematoma by craniotomy with bigger bone flap, clearance of hematoma by craniotomy with smaller born window, fragmentation, aspiration and drainage of hematoma by awl or ventriculopuncture.
- Use partial recovery of frontal bone flap and modification decompression in the therapy of frontal lobe contusion after big bone flap craniotomy
- Big bone flap decompression
- tRauma big bone flap