Peripheral Nerve Stimulation for Treatment of Sacroiliac Joint Pain

Inclusion Criteria: * Subject is at least 18 years old * Subject with chronic sacroiliac joint pain refractory to conservative treatment * Subject with NRS of at least 60/100 * Subject with temporary pain reduction of at least 50% (NRS) after fluoroscopy guided SIJ infiltration * Subject received conservative treatment for at least three months including physiotherapy and pain medication * Subject is able to understand the study and Impulse generator programming Exclusion Criteria: * Pregnancy * Subject is under age * Acute traumatic injury of the ISG * Active inflammation or neoplastic infiltration of the SIJ * Neoplastic diseases of the spine * Spinal surgery within the last three months * The SIJ pain is not the leading symptom * Contraindication for Neuromodulation Device (severe psychiatric disease, severe coagulation disorder, acute infection, active autoimmune disease with immunosupression)