Prosthetic unit for intervertebral extradiscal stabilization, comprising: - at least two vertebral screws that are able to engage in two different vertebrae; - a connecting member that is able to connect these two screws; one of each screw or connecting member having a rod (1018), while the other of each screw or connecting member is provided with at least one eyelet (1005) whose walls have a suitable shape, these walls defining an orifice, and the rod or each rod being able to engage in the orifice or each orifice, with a possibility of clearance in at least one direction of the plane of this orifice.
PROSTHETIC UNIT FOR INTERVERTEBRAL EXTRADISCAL STABILIZATION