What Exactly are Rods and Screws Used for in Backbone Surgery? Rods and screws are metallic implants used to guidance and stabilize the spine during surgical treatments. This screw-rod-nut program retains the vertebrae securely in placement, promoting bone fusion and retaining appropriate alignment. These implants are generally crafted from Titanium https://www.tumblr.com/drronakshah/817385058312880128/how-robotic-technology-improves-knee-replacement?source=share