This osseointegrated artificial joint is for amputees using prosthetic hands to have more stability and joint movement.
It’s designed at Chalmers University of Technology’s Biomechatronics and Neurorehabilitation Lab together with Integrum AB for people with below-elbow amputation, allowing a natural forearm rotation.
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The osseointegrated implants that allow for direct skeletal attachment of the prosthesis also include osseo-neuromuscular interfaces. The electrodes implanted in the nerves and muscles allow for the extraction of control information and provide intuitive sensory feedback.
The implanted electrodes are safe, long-term stable, and provide bidirectional communication interfaces to the prosthetic hands. Patients initially use a virtual prosthesis during recovery from the implantation, before receiving the smart and sensorized hand prosthesis to be used in daily life.