NuNec® Cervical Arthroplasty System The NuNec® Cervical Disc Replacement allows physiological motion between the two adjacent vertebra ((Meyers JE. Commentary: NuNec™ Cervical Disc Arthroplasty Improves Quality of Life in Cervical Radiculopathy and Myelopathy: a 2-Year Follow-up. Neurosurgery. 2017 Aug 31. doi: 10.1093/neuros/nyx461. [Epub ahead of print] PubMed PMID: 28945915.)). http://www.rtix.com/en_gb/products/product-implant/nunec-cervical-arthroplasty-system