Artificial limbs Prosthesis 11 Amputation 5 Design and construction 4 Orthopedic apparatus 4 Artificial legs 3 Piezoelectric materials 2 Rehabilitation 2 Amputees 1 Automatic control 1 Complications 1 Design 1 Electromyography 1 Fuzzy logic 1 Gait 1 Leg 1 Medical technology 1 Neural networks (Computer science) 1 Physical therapy 1 Rapid prototyping 1 Residual limbs 1 Senses and sensation 1 Technological innovations 1