What is Knee and Hip Replacement? Knee and hip prosthesis is a surgical procedure performed to relieve pain and limitation of movement in cases such as excessive wear, damage or deformation in the joints. Prosthesis surgeries are a method used especially in joint problems such as advanced calcification (osteoarthritis), rheumatoid arthritis, hip fracture. Conditions requiring prosthesis Osteoarthritis: Severe pain as a result of wear of the cartilage tissue in the joints [...]