VIDEO: Creation of biportal working corridor for unilateral biportal endoscopic laminotomy

Demonstrated in this video is the creation of a biportal working corridor during unilateral biportal endoscopic laminotomy, using tubular dilators and subperiosteal elevation of paraspinal musculature.According to Aryan Patel, BS; Puranjay Gupta, BS; Sehajvir Singh, BS; Aimen A. Khan, BS; Noah A. Pogonitz, BS; and Kern Singh, MD, surgeons should be able to clearly identify the inferior border of