Observational, Post Market Study in Treating Chronic Upper Extremity Limb Pain

Inclusion Criteria

• A subject must MEET ALL of the following inclusion criteria:
• Be diagnosed with chronic, intractable pain of the upper limb related to the cervical spine and/or neuropathic arm pain.
• Be a candidate for SCS system (trial and implant) per labeled indication (upper limb pain due to one of the conditions listed in indications statement)
• Considering daily activity and rest, has average upper limb pain intensity of ≥ 5 out of 10 cm on the Visual Analog Scale (VAS) at enrollment
• Be willing and capable of giving written informed consent to participate in this clinical study based on voluntary agreement after a thorough explanation of the subject's participation has been provided.
• Be willing and capable of subjective evaluation, read and understand written questionnaires, and read, understand and sign the written inform consent.
• Be 18 years of age or older at the time of enrollment
• Be on a stable pain medication regime, as determined by the study investigator, for at least 30 days prior to enrolling in this study
• Be willing and able to comply with study -related requirements, procedures, and visits, including not increasing pain meds through the three month visit
• Has adequate cognitive ability to use a patient programmer and recharger as determined by the Investigator

Exclusion Criteria

• A subject must NOT MEET ANY of the following exclusion criteria:
• Has a medical, anatomical, and/or psychosocial condition that is contraindicated for commercially available IntellisTM SCS systems as determined by the Investigator
• Have a medical condition or pain in other area(s), not intended to be treated with SCS, that could interfere with study procedures, as determined by the Investigator
• Currently enrolled or planning to enroll in an interventional clinical study that could potentially confound the study results (co-enrollment in an interventional study is only allowed when documented pre-approval is obtained from the study manager or designee)
• Has an existing active implanted device such as a pacemaker, another SCS unit, peripheral nerve stimulator, and/or drug delivery pump.
• Has pain in other area(s) and/or medical condition requiring the regular use of significant pain medications that could interfere with accurate pain reporting, study procedures, and/or confound evaluation of study endpoints, as determined by the Investigator
• Has significant cervical stenosis, as determined by the Investigator
• Has facet spondylosis, as determined by the Investigator
• Has mechanical spine instability, as determined by the Investigator
• Has undergone, within 30 days prior to enrollment, an interventional procedure and/or surgery to treat upper limb pain, which is providing significant pain relief
• Has unresolved major issues of secondary gain (e.g., social, financial, legal, such as worker compensation matters)
• Be pregnant as determined by urine testing unless female subject is surgically sterile or post-menopausal. If female, sexually active, and childbearing age, subject must be willing to use a reliable form of birth control.
• Have evidence of an active disruptive psychological or psychiatric disorder as determined by a psychologist
• Have a current diagnosis of a progressive neurological disease as determined by the Investigator
• Have a current diagnosis of a coagulation disorder, bleeding diathesis, progressive peripheral vascular disease or uncontrolled diabetes mellitus
• Have a condition that the Investigator determines would significantly increase perioperative risk
• Any previous history of surgery on the posterior elements (laminectomy, posterior fusion) of the cervical spine
• Have metastatic malignant disease or active local malignant disease
• Have a life expectancy of less than 1 year
• Have an active systemic or local infection
• Have within 6 months of enrollment a significant untreated addiction to dependency producing medications or have