Growing need with older population. Largest market in US. New treatments and methods. Plastic and metal hips wear out, need revision, complications, infection, dislocation. Preserve neck of femur. Using adult stem cells to regrow joint surfaces. Grow new cartilage. Repair knee, hip, shoulder repairs. Chronic pain and disability, lack of mobility, improving mobility and function, range of movement. Medical research. Orthopaedics / orthopaedics and rheumatology future trends. Patrick Dixon, conference keynote speaker and futurist.