Study to Evaluate the Effectiveness of DRG Stimulation for Discogenic Low Back Pain

Exclusion Criteria

• •1. Female subject of childbearing potential is pregnant/nursing or plans to become pregnant during the course of the study
• •2. Escalating or changing pain condition within the past month as evidenced by investigator examination
• •3. BMI ≥35
• •4. Subject has had injection therapy or radiofrequency treatment for their low back pain within the past 3 months
• •5. Subject currently has an active implantable device including ICD, pacemaker, spinal cord stimulator or intrathecal drug pump
• •6. Subject is unable to operate the device
• •7. Severe disc degeneration at the affected level as evidenced by \>50% disc height loss on plain anteroposterior and lateral lumbar radiographs or CT/MRI.
• •8. Extruded or sequestered herniated nucleus pulposus at the affected level(s).
• •9. Previous lumbar back surgery (e.g. Laminectomy, discectomy or fusion) at the affected level(s)
• •10. Moderate to severe spinal stenosis due to osteophyte and/or ligamentous overgrowth as evidenced by MRI or CT in the previous 6 months
• •11. Moderate to severe endplate degenerative changes at the affected levels
• •12. Grade 1-2 spondylolisthesis
• •13. Previous Neurostimulation therapy