GRANVIA®-C Cervical Disc Prosthesis Multicenter European Pilot Study

Inclusion Criteria: * Cervicobrachial neuralgia due to symptomatic cervical discopathy * Presence of pain (arm or arm and neck) and/or a neurologic deficit with a radiographic confirmation (by CT, MRI, X-ray, etc.) of any of the following: * Herniated nucleus pulposus * Spondylosis (defined by the presence of osteophytes) * Degenerative Disc Disease at a single level or 2-level(s) adjacent or not between C3 and C7 Exclusion Criteria (non exhaustive): * Asymptomatic degenerative disc disease (DDD) * DDD of 3-levels or more * Axial neck pain as the solitary symptom * Severe spondylosis at the level to be treated by arthroplasty as * Characterized by any of the following: * Bridging osteophytes * A loss of disc height greater than 50% (compared to adjacent levels) * Absence of motion (\<2°) * Any prior spine surgery at any cervical level, especially fusion procedure; views) for the level operated by arthroplasty * Tumor * Deformity or fracture of the cervical vertebrae * Active systemic infection or infection at the operative site(s) * Pregnant or interested in becoming pregnant in the next three years; * Advanced emphysema, Alzheimer's disease or other medical conditions that would interfere with patient self-assessment of function, pain or quality of life