Abstract: The device consists of at least two segments which are fixed on spinal vertebrae and which are mutually interconnected. Each segment (1) is fixed on at least one vertebra (7) by means of at least one fixing segment (3). Each segment (1) is connected by means of at least one spring (4) by the force coupling with at least one other segment (1') fixed on at least one other vertebra (7'). The connecting line of 8 the spring (4) ends contains with the vertical vertebral axis (7) an angle to 45.degree. in the frontal as well as in the sagittal plane in the ventral and/or dorsal direction. Required stability of the spine is ensured while preserving the necessary flexibility and adaptation to growth.