Fig. 1From: Pretic-I was a safe and effective artificial cervical disc prosthesis--a retrospective and comparative study with 5-year follow-upThe Images of Pretic-I Cervical Disc Prosthesis and Intra-operative Implantation. a Overall design of Pretic-I; b and c superior and inferior image of the cranial end of Pretic-I; d and e superior and inferior image of the caudal end of Pretic-I; f-i Intra-operative use of Pretic-IBack to article page