Make sure that they are board Qualified in orthopedic operation and they did a fellowship in joint replacement surgical treatment. This differs from a complete knee replacement, by which bone and cartilage from the entire joint are changed. Most complete knee replacements at HSS are done less than regional anesthesia. http://knee cap replacement https://www.theorthopaedicandpainpractice.com/knee-cap-replacement-understanding-the-basics-of-this-orthopaedic-surgery/