Total Knee Replacement (TKR) Total Knee Replacement (also called Total Knee Arthroplasty) is a surgical procedure in which a damaged knee joint is replaced with an artificial joint (implant). 🦴 Why is Total Knee Replacement done? It is usually recommended when: Severe osteoarthritis Rheumatoid arthritis Knee injury or fracture Severe knee pain and stiffness Difficulty in walking, climbing stairs, or daily activities When medicines and physiotherapy no longer help 🔧 What happens in the surgery? Damaged cartilage and bone from the knee joint are removed. Metal components are placed on the thigh bone (femur) and shin bone (tibia). A plastic spacer is inserted between them for smooth movement. Sometimes, the back surface of the kneecap (patella) is also replaced. ⏳ Duration of Surgery Usually takes 1–2 hours Hospital stay: 3–5 days 🏃 Recovery Time Walking with support: within 1–2 days Physiotherapy starts immediately Normal activities: 6–12 weeks Full recovery: around 3–6 months ✅ Benefits Relief from severe pain Improved movement and flexibility Better quality of life ⚠️ Risks (rare but possible) Infection Blood clots Implant loosening Knee stiffness 🩺 Implant Life Modern knee implants usually last 15–25 years, depending on activity level and care. If you want, I can also explain: Cost of knee replacement in India Precautions after surgery Exercises after TKR Difference between partial and total knee replacement Let me know what you would like to know.