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The world's most advanced bionic hand which is controlled by the mind and even has a sense of touch has been developed by scientists.
The breakthrough prosthetic - the first of its kind for those with a below-elbow amputation - offers a greater degree of sensitivity than existing artificial limbs.
Prosthetics - Amputees - Computers - Rucksack - Hand
And unlike past prosthetics that required amputees carry large computers in a rucksack, this hand has all its technology packed into the fist and is battery charged.
Known as a osseo-neuromuscular implant, the prosthetic has been tested on one woman in Sweden - who declined to be named. She is already relearning how to control the artificial limb via virtual technology.
Scientists - World - University - Essex - Project
Scientists from all the world - including the University of Essex - collaborated on the project.
It was led by Dr Max Ortiz Catalan, associate professor at the biomedical signals and systems research unit at Chalmers University of Technology, Gothenburg.
Prosthetic - Effectiveness - Amputee - Titanium - Implants
To test the prosthetic's effectiveness, the Swedish amputee had titanium implants placed in two bones around her elbow.
She went under the knife at Sahlgrenska University Hospital in Gothenburg.
Sixteen - Implants - Muscle - Stump - Electrodes
Sixteen electrodes come out of these implants and into the remaining muscle in her stump. These electrodes were then connected to her nerves.
Sensors then drive stimulation to the patient's nerves, resulting in her having greater sensation and control over the prosthetic hand.
Hands - Electrodes - Top - Skin - Signals
Conventional prosthetic hands rely on electrodes on top of the skin that pick up signals from muscles in the stump.
But this is unreliable, with only basic movements, such as opening and closing the hand, being controlled.
Users - Contact - Object
Users are also unable to tell - by touch - when they have made contact with an object or how tightly they have grasped it.
Dr Luca Citi - from the University of Essex's Brain-Computer Interfaces and Neural Engineering Laboratory - said...
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