👉 An arthrotomy, also known as a cartilage repair or an artificial joint replacement, is a surgical procedure that involves removing part of the affected joint. This can be done to replace worn-out or damaged cartilage and allow for better movement and function in the affected area. Arthrotomies are performed when the affected joint has become inflamed or swollen due to arthritis or other conditions such as osteoarthritis, which is characterized by pain, stiffness, and aching in the