Knee brace, a medical device used to stabilize and support the knee joint. Knee braces are used to protect the knee after an injury or surgery, and can also help with pain relief and improve mobility. They come in various types, designed for different purposes, such as preventing injuries, providing stability, or aiding rehabilitation. Knee braces are beneficial during physical activities or when walking long distances, but may cause skin irritation if worn for extended periods. They are commonly used for conditions like osteoarthritis and after injuries.