The purpose of this study is to characterize the pain coverage capability of the RESTORE spinal cord stimulation (SCS) and assess health outcomes.

Inclusion Criteria:

• Has chronic refractory pain associated with one of the conditions currently approved for spinal cord stimulation as follows: Failed Back Syndrome, Degenerative Disk Disease (DDD), Herniated Disk pain refractory to conservative and surgical interventions, Peripheral Causalgia, Complex Regional Pain Syndrome (CRPS) or Reflex Sympathetic Dystrophy (RSD).
• Primary pain in the lower half of the body.

Exclusion Criteria:

• Requires, or will in the future, diathermy treatments.
• Had implanted spinal cord stimulation system within the last six months.