#$%^&*AU2018101347A420181018.pdf#####ABSTRACT A cervical locking cage for placement between adjacent vertebrae of the cervical spine, the cage having a first surface and a second surface for respective engagement with an endplate of adjacent vertebrae, the cage having an opening extending between the first and second surfaces. An engagement member is rotatably mounted to a wall defining the opening, the engagement member being rotatable to extend beyond one or both of the first and second surfaces wherein the engagement member comprises at least one blade angled away from the wall to which the engagement member is rotatably mounted.- IlI 1 3 Figure la 1 II 9 10 Figure lb