total knee replacement, comprising a tray (4) and a tibial insert (2), the top surface having a tibial plateau which is disposed on the insert.and a bottom face to be bonded to the tibia plateau, including anchorage at the proximal or upper tibia by means of a pin (5) end of the tray.characterized in that a cylindrical hub (6), including, in particular, circular, projecting from the upper surface of the tibial tray and is received in a cavity (26) formed in the insert.at least two abutments (8, 9, 10), respectively, anterior and posterior, protruding the upper face of the tibial plateau, the stops (8, 9, 10) being received in a cavity (28, 29)the tibial insert (30) is formed in the at least two abutments are disposed on either side of the plot in the anterior posterior direction.