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Dec 9, 2013

New artificial, bionic hands start to get real feelings

Posted by in categories: bionic, biotech/medical

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Simple tasks, like plucking the stem off a cherry, are still monumental challenges for artificial hands. With a bill of materials perhaps a few hundred components long, it is not surprising that their functionality is low compared with one assembled from trillions of components. A new prosthetic bionic hand, designed and built by researchers at Case Western University is now capable of using measurements from 20 sensor points to control the grip force of its digits. Incredibly, the sensor data is linked directly to the sensory nerves in the patient’s forearm. The control for the grip closure is then extracted myoelectrically from the normal biological return loop to the muscles in the forearm.

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