The Xenon Pedicle Screw System is a comprehensive state-of-the-art system developed for strength and versatility. Intuitively designed instruments and a comprehensive selection of implants are designed to simplify the procedure, accommodate individual patient anatomy, and provide a reliable and reproducible solution. Key Features & Benefits Dual-lead (double helix) screw thread is designed to expedite the insertion time Top-loading low-profile screw head is designed to better accommodate patient's anatomy Polyaxial and monoaxial screws available in various lengths and diameters Buttress thread set screw helps reduce cross threading and head splay Low-profile tapered bottom head minimizes interference with the anatomy and is designed to improve the placement of bone graft material Comprehensive intuitively designed instrumentation simplifies the placement of implants Cylindrical major with transitional minor diameter of screw provides increased purchase at distal end for easy insertion and high pullout strength