A spine stabilization device is provided, the spine stabilization device comprising an interbody spacer (3) shaped to be inserted between a vertebral body (1) of an upper vertebra and a vertebral body (2) of a lower vertebra, and comprising a top surface (11) oriented towards the lower endplate of the vertebral body of the upper vertebra and a bottom surface oriented towards the upper endplate of the vertebral body of the lower vertebra； the interbody spacer comprising at least one channel-like recess (123) reaching to an end in the top surface and at least one channel-like recess (123) reaching to an end in the bottom surface, and comprising in a region of these recesses a structure (124) that includes an undercut, whereby it is suitable for making a positive-fit connection together with an anchoring device (121). The spine stabilization device further comprises for every channel-like recess an anchoring device (121), the anchoring devices comprising a proximal end and a distal end, a first securing portion (127), a second securing portion (127) and a bridge portion (128) between the first and second securing portions.
