How Many Years Does A Knee Replacement Last? Knee replacement surgery has helped millions of patients regain mobility and reduce pain. Patients with severe joint wear, arthritis, and reduced mobility may benefit significantly from this procedure. Patients frequently wonder how many years their knee implant will continue to function effectively. https://medium.com/@linda.wockhardthospitals/how-long-does-knee-replacement-surgery-last-4328855286a7