Vertebral osteosynthesis equipment and revision set (1) for this vertebral osteosynthesis equipment, the vertebral osteosynthesis equipment comprising at least one bone anchoring organ (51) including a threaded proximal pin (54), at least one connecting piece (52) comprising a hole (58) for engagement in said threaded proximal pin (54), and at least one nut designed to be screwed onto the thread, comprised externally by the pin (54) to receive said nut； characterized in that: - the revision assembly (1) comprises a threaded extension rod (2) having a widened end (6) defining a threaded axial cavity (10), said threaded axial cavity (10) being sized to allow the threaded extension rod (2) is screwed onto said thread disposed on the threaded pin (54)； - the hole (58) provided in said connecting part (52) has a diameter such that it is capable of receiving said widened end (6) of the threaded extension rod (2) therethrough； and - the revision assembly (1) comprises a nut called "reassembly" suitable for being screwed onto said threaded extension rod (2).Equipo de osteosíntesis vertebral y conjunto de revisión (1) para este equipo de osteosíntesis vertebral, comprendiendo el equipo de osteosíntesis vertebral al menos un órgano de anclaje óseo (51) que incluye un pasador proximal roscado (54), al menos una pieza de conexión (52) que comprende un orificio (58) para su acoplamiento en dicho pasador proximal roscado (54), y al menos una tuerca diseñada para ser atornillada sobre la rosca, comprendida exteriormente por el pasador (54) para recibir dicha tuerca； caracterizado porque: - el conjunto de revisión (1) comprende una varilla de extensión roscada (2) que tiene un extremo ensanchado (6) que define una cavidad axial roscada (10), estando dimensionada dicha cavidad axial roscada (10) para permitir que la varilla de extensión roscada (2) sea atornillada sobre dicha rosca dispuesta sobre el pasador roscado (54)； - el orificio (58) provisto en dicha parte de conexión (52) t
