The Utah Bionic Leg is touted as the most advanced yet, as it utilizes motors, processors and artificial intelligence to give amputees more power to walk, stand up, sit down as well as ascend / descend stairs. This makes everyday activities less stressful for amputees, who normally need to over-use their upper body and an intact leg to compensate for the lack of assistance.
It features custom-designed force and torque sensors, along with accelerometers as well as gyroscopes, to help calculate the leg’s position in space. These sensors are then connected to a computer processor that translates the sensor inputs into movements of the prosthetic joints in real-time. Using this data, the leg provides power to the motors in the joints to assist in walking, standing up, walking up / down stairs, or getting around obstacles. A “smart transmission system” connects the electrical motors to the robotic joints of the prosthetic, thus automatically adapting the joint behaviors for each activity.
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The largest prosthetics manufacturer in the world has committed to use the highest level of technologies available in robotics and AI to bring this prosthetic leg to those who need it as soon as possible. Ottobock promotes freedom of movement, quality for life, and independence. They are saying now is the time to make such technical solutions available to everyone,” said Tommaso Lenzi, University of Utah mechanical engineering associate professor.