a device designed to limit cervical spine motion by extending to cover more of the upper torso than a standard cervical orthosis.
cer·vi·co·tho·rac·ic or·tho·sis
(sĕr'vi-kō-thōr-as'ik ōr-thō'sis) A device designed to limit cervical spine motion by extending itself to cover more of the upper torso than a standard cervical orthosis.