Fig. 2From: Association between intraoperative computed tomography navigation system and incidence of surgical site infection in patients with spinal surgeries: a retrospective analysisA sterile procedure of A-arm and O-arm/navigation. C-arm fitted with a sterile drape (A), positioned to acquire AP view and was covered with sterile drapes lateral view (B). The surgical area was covered with sterile drapes while scanning using the O-arm (C). Surgeons used navigation system (D). AP, anteroposteriorBack to article page