Early Feasibility of the Nervonik Peripheral Nerve Stimulation Device

Inclusion criteria

• ✓. Subject is between 18 to 80 years of age at the time of enrollment.
• ✓. Subject has been diagnosed with knee, arm, or shoulder chronic pain (NRS of at least 5 out of 10).
• ✓. Post-surgical/post-traumatic peripheral neuralgia including but not limited to pain due to peripheral nerve injury, post-surgical scar formation, nerve entrapment; Mononeuropathy, specified or unspecified or in diseases classified elsewhere; Other neuralgia or neuropathic pain
• ✓. Subject is willing to cooperate with the study requirements including, compliance with the study procedures and completion of all study visits.
• ✓. Subject reported stable pain (non-escalating) for 60 days prior to signing informed consent.
• ✓. Subject is currently receiving CMM and has had stable pain medication use and dosage for 30 days prior to signing informed consent.
• ✓. Subject is psychologically qualified to receive a peripheral nerve stimulator as per the clinician's standard clinical practice and judgment and does not have clinically relevant psychological condition(s) that would interfere with their ability to accurately report outcomes or complete study procedures.
• ✓. Subject has demonstrated the ability to appropriately place the wearable in the location where the IPG is most likely to be implanted. Alternatively, subject is able to appropriately use the relief belt and/or limb cuff to keep the wearable in place.