Home / Spine Solutions / Spine Procedures / Posterior Thoracolumbar Fixation / Janus Fenestrated Screw Janus Fenestrated Screw Support Material Janus Fenestrated OpTech Download Janus Fenestrated Brochure Learn More Instructions For Use Janus Fenestrated Screw Janus Fenestrated Screw IFU Janus Fenestrated Screw IFU – International Only Firebird Spinal Fixation System IFU – AW-44-9902 Rev CP – March 2022 US only Previous Versions JANUS Fenestrated Screw – Rev CF – May 2018 – AW-44-9902 JANUS Fenestrated Screw – Rev CH – Sept 2018 – AW-44-9902 JANUS Fenestrated Screw – Rev CL – Feb 2019 – AW-44-9902 JANUS Fenestrated Screw – Rev CM – July 2019 – AW-44-9902 JANUS Fenestrated System – Rev AA – Aug 2018 – AW-36-9902_ – For International Use Only JANUS Fenestrated System – Rev AB – Sept 2018 – AW-36-9902__ – For International Use Only JANUS Fenestrated System – Rev AC – Feb 2019 – AW-36-9902__ – For International Use Only JANUS Midline Fixation Screw – Rev AD – July 2019 – AW-36-9902 – For International Use Only