Grip Force Feedback in an Electric Hand - Preliminary Results
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Feedback of sensation has long been the dream of developers (and wearers) of prosthetic hands, and many earlier efforts have made progress, but never a practical commercially-available system. Although grip force feedback (GFF) is an obvious shortcoming in a hand prosthesis, it has been slow to develop because of the innate difficulties of providing consistent and accurate feedback information to the wearer of an electric hand. A truly useful GFF system must provide, 1) true clinical relevance (we feel it should demonstrably improve control of grip force, contribute to a more natural feel, and represent an acceptable ratio of cost to benefits provided), and 2) technically provide a practical system which can operate for months reliably, and be small enough to install into a cosmetic-looking prosthesis.
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