Overview
This is a retrospective-prospective study in which 40 patients have received a permanent Freedom PNS System. Subjects presented with chronic, intractable pain of peripheral nerve origin refractory to standard medical and/or surgical treatment.
A retrospective chart review will be conducted to assess baseline and follow-up parameters in patients who have received a permanent implant with the Freedom PNS system for at least 12 months. Missing data might be collected after informed consent.
Eligibility
Inclusion Criteria:
- Subject is ≥ 18 years of age at time permanent implant; B. Subject has been implanted with the Freedom PNS system; C. Subject is willing to attend visit as scheduled, and comply with the study requirements (if prospective); D. Patient is capable of giving informed consent.
Exclusion Criteria:
- Subject is currently enrolled in or plans to enroll in any concurrent drug and/or device study while participating in this study (if prospective); B. Any additional active implanted devices for the treatment of chronic pain in addition to the Freedom PNS system.