Figure 1From: Axial pullout strength comparison of different screw designs: fenestrated screw, dual outer diameter screw and standard pedicle screwScrew designs: A) REVERE® dual outer diameter screw (DOD) with large outer diameter (7.0 mm) and nominal diameter (5.5 mm) at the distal end; and B) REVLOKTM fenestrated screw (FS), fully cannulated with four radial screw fenestrations for even 360° cement distribution.Back to article page