Post Market Data Collection Protocol to Evaluate the Performance of the Synergy Disc

Inclusion Criteria

• •Age 21 or above at the time of the surgery.
• •Have had (retrospective cohort) or the decision has been made to have (prospective cohort) the Synergy Disc implanted
• •Skeletally mature patients for reconstruction of the disc from C3-C7 following a single or multiple level discectomy for intractable radiculopathy
• •Intractable radiculopathy and/or myelopathy with at least one of the following producing symptomatic nerve root and/or spinal cord compression:
• •* herniated disc and/or osteophyte formation
• •* Symptomatic nerve root and/or spinal cord compression documented by patient history (arm or neck pain and/or neurologic deficit) and imaging (CT, MRI, x-rays, etc.)
• •* Failed a minimum of 6 weeks conservative treatment
• •Written informed consent given by subject.