Cervical total disc replacement (CTDR) device is used to treat patients suffering from degenerative disc disorders (DDD). Neck pain is the major cause for development of DDD in cervical region of the spine. Cervical disc replacement procedures is performed for treatment of DDD, where the degenerated disc is removed surgically and an artificial disc is implanted in the vertebra. This is a minimal incision surgery (MIS) and results in quick recovery post-surgery, short hospital stay and low revision surgery rate. 成長期の高齢者は、子宮頸管置換手術の低改訂手術率と高度な革...