Endoscopic Dorsal Ramus Rhizotomy is a procedure that can provide patients with relief of pain associated with degenerative disease of the facet joints. Use of the spine endoscope provides visualization of the posterior spinal anatomy and nerves, while an endoscopic RF probe facilitates the ablation of the medial (and lateral) branches of the dorsal ramus and can lead to more complete ablation of the nerves and therefore better and longer lasting pain relief. Endoscopic Rhizotomy is most effective in those patients who have experienced greater than 50% relief of pain with medial branch blocks. The Endoscopic Dorsal Ramus Rhizotomy procedure offers an alternative for addressing axial back pain that is much less invasive than spinal fusion. A Rhizotomy is primarily done at the junction where the medial branch of the dorsal ramus nerve crosses over the transverse process of the vertebral body, however to make sure a complete ablation is accomplished rotating the RF probe through a full 360˚ ensures a complete evulsion of the nerves is achieved.