What is a joint prosthesis Now that artificial knee replacement has been accepted by more and more patients and the clinical excellence rate has reached more than 96%, we are often asked, “Doctor, which is the best one to use and how long will this joint last? Indeed, the problem of artificial joints is still to be solved is the infection and wear, just like a new car, there will be wear and tear after driving. What is an artificial joint? Once this layer of cartilage is damaged or worn out, patients may experience pain and walking problems, and in severe cases, they may need to use crutches or a wheelchair to travel, which greatly reduces their quality of life. The wear resistance of the joints is generally very good, but it depends on the surgeon’s surgical technique and the patient’s usage. The patient’s pre-operative joint deformation, surgical techniques and post-operative rehabilitation have more to do with