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Functional total upper-limb orthoses that use power sources (usually electric) and powered mechanisms and are designed to make possible and/or improve the functional activities of the limb. They provide support, supplement, and/or augment the limb functions. These orthoses typically consist of dynamic wearable devices that include sensors, power sources, motors, and a variety of mechanisms appropriate to facilitate the normal function of otherwise disabled upper limbs. Dedicated powered upper-limb orthoses controlled by bioelectric muscular (i.e., myoelectric) or central nerve (neuroelectric) signals, and/or user operated switches (i.e., autonomous) are available.
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