It include a femoral component (1) and a tibial component (2), each front and a back side (4) with integral connector, in face of bone and polyethylene (PE) liner (3) the present invention relates to knee joint prosthesis. In order to allow to be implanted no metal and not the knee joint prosthesis of cement, femoral component (1) and tibial component (2) are made of an integral ceramic material, and two components (1,2) have in face of the back sides integrated porous osseointegrative (4) of bone.
