Fig. 2

Artistic illustration of bone channel establishment. The bone channel was established at the anterior lower edge of the vertebral body under the diseased segment obliquely toward the center of the disc-osteophyte complex (A); the endoscopic system is inserted through the bone channel (B); The disc-osteophyte complex was fully exposed and completely removed to complete the decompression of the cervical spinal canal, the left and right distances of the maximum decompression range were set as the decompression width (black double arrow) (C)