1. A tibial component suitable for use in an orthopedic prosthesis containing a femoral component and a spacer bearing, the tibial component comprising: a flat tibial plate containing an upper abutment surface and a lower mounting surface and configured to in situ accept front loaded spacer bearings interchangeably in movable or fixed assemblies of the prosthesis； - the tibial plate also containing at least one means of attaching the spacer bearing nickname located in front for attaching the spacer bearing to the tibial plate with the possibility of removal； moreover, interchangeability between the movable and fixed assemblies of the specified spacer bearing is provided directly during or after revision surgery without affecting the bone connecting the surfaces of the tibial component. 2. The tibial component according to claim 1, wherein the spacer bearing is removably attached to the tibial component, thereby preventing movement of the spacer bearing relative to the tibial component. The tibial component according to claim 2, wherein the movement of the spacer bearing is a rotational movement, translational movement, or a combination of rotational and translational movement. The tibial component according to claim 1, wherein the spacer bearing comprises a concave surface for receiving the femoral component therein. The tibial component according to claim 4, wherein the concave surface of the spacer bearing defines a curvature of substantially 6 °. 6. Bolsheb1. Большеберцовый компонент, подходящий для использования в ортопедическом протезе, содержащем бедренный компонент и распорный подшипник, причем большеберцовый компонент содержит:- плоскую большеберцовую пластину, содержащую верхнюю опорную поверхность и нижнюю крепежную поверхность и выполненную с возможностью in situ принимать нагруженные спереди распорные подшипники взаимозаменяемо в подвижной или фиксированной сборках протеза；- большеберцовую пластину, также содержащую по меньшей мере одни средства прикрепл
