Dean Kamen's DEKA Arm is an electronic prosthetic that mimics natural arm and hand movement with an amazing level of finesse. It's controlled by electrical signals from the wearer's muscles. This week, the DEKA Arm became the first muscle-controlled prosthetic approved by the FDA for sale to the general public.
The first ever bionic hand that allows patients to feel again will be transplanted into a human this year, according to the researchers who have developed it.
One day while riding in his friend's car, Evan Reynolds' arm got ripped off, and he became one of the first people to score a fully functioning Luke-Skywalker-style robotic I-Limb from Touch Bionics.