Fig. 2From: The analysis of percutaneous pedicle screw technique with guide wire-less in lateral decubitus position following extreme lateral interbody fusiona Intraoperative images demonstrating placement of the PPS using the Viper PrimeTM with the patient in the lateral decubitus position. Marking the location of the incision. b Upside PPS placement. c Downside PPS placementBack to article page