Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Percutaneous transforaminal puncture into disk after percutaneous pedicle screw fixation. (b) Sequential dilation. (c) Optional foraminoplasty and expansion of the safety triangle by bone drill under endoscopic views. (d) Neurological decompression and initial endplate preparation in endoscopic view. (e) and (f) Working tube insertion in anteroposterior and lateral X-ray views.
