Fig. 6

The comparison between visualized drilled foraminoplasty and visualized reamed foraminoplasty technique. a The bony plasty of the lateral recess by the endoscopic reamer. b The foraminoplasty by the endoscopic drill
The comparison between visualized drilled foraminoplasty and visualized reamed foraminoplasty technique. a The bony plasty of the lateral recess by the endoscopic reamer. b The foraminoplasty by the endoscopic drill