This creation is an artificial knee joint replacement structure.To connect a femur and a tibia.The utility model comprises a first base.1. The first replacement unit,A second base,A second replacement part and an artificial meniscus,The first base and the second base are respectively fixed on the femur and the tibia.And the first replacement part and the second replacement part are fixed on the first base and the second base in a detachable way.And the artificial meniscus is arranged between the first replacement part and the second replacement part,Accordingly, the first replacement part,The artificial meniscus and the second replacement part act as the wearing surface of the artificial knee joint when it moves.When worn to the point of replacement,As long as the first replacement part,The artificial meniscus can be replaced with the second replacement part.It can effectively reduce the injury and risk when the artificial knee joint is replaced again.本創作為一種人工膝關節替換結構，供連接一股骨與一脛骨，其包括有一第一基座、一第一替換部、一第二基座、一第二替換部與一人工半月板，該第一基座與該第二基座分別固定於該股骨與該脛骨上，而該第一替換部與該第二替換部分別可拆卸的固定方式固定於該第一基座與該第二基座上，而該人工半月板設置於該第一替換部與該第二替換部之間，據此該第一替換部、該人工半月板與該第二替換部作為人工膝關節活動時的磨損面，當磨損至需要更換時，只要更換該第一替換部、該人工半月板與該第二替換部即可，可以有效減少再次更換人工膝關節時造成的傷害與風險。
