• Oasys : The OASYS™ occipito-cervico-thoracic system was developed to provide the surgeon with unsurpassed versatility for the treatment of pathologies of the occipitocervical junction, and the posterior cervical and upper thoracic spine. The modular system consists of hooks, polyaxial screws, and rods as well as plates* and bone screws. An occiput plate and a variety of connectors complement the product line