A spine fixation assembly (100) connecting a first vertebra to a second vertebra includes first and second mounting assemblies and a first spinal stabilization component. The first mounting assembly (110a) is configured to be attached to a first location of the first vertebra and includes a first bone anchor housing (111) and first and second spinal stabilization component housings (130a, 130b) extending from the first bone anchor housing. The second mounting assembly (110b) is configured to be attached to a first location of the second vertebra and includes a second bone anchor housing and third and fourth spinal stabilization component housings extending from the second housing. The first spinal stabilization component (140b) includes an elongated body having a first end (142b) and a second end (144b) and is configured to connect the first mounting assembly to the second mounting assembly. The first spinal stabilization component housing is adapted to receive and connect to the first end of the spinal stabilization component and the third spinal stabilization component housing is adapted to receive and connect to the second end of the spinal stabilization component.Linvention concerne un ensemble fixation à la colonne vertébrale (100) connectant une première vertèbre à une seconde vertèbre, ledit ensemble comportant un premier ensemble de montage et un second ensemble de montage et un premier composant de stabilisation rachidien. Le premier ensemble de montage (110a) est configuré pour être fixé à un premier emplacement de la première vertèbre et contient un premier logement dancrage dos (111) et un premier logement de composant de stabilisation rachidien et un second logement de composant de stabilisation rachidien (130a, 130b) sétendant à partir du premier logement dancrage dos. Le second ensemble de montage (110b) est configuré pour être fixé à un premier emplacement de la seconde vertèbre et contient un second logement dancrage dos et un troisième logement de
