Richard Van didn’t want to become a biomedical engineer. But an accident in which he lost four fingers prompted him to engineer his own replacement fingers. Stephen Mraz of Machine Design reports that Van’s recognition of the exorbitant cost of prosthetic fingers ($10,000 per), led him and a partner to look at 3D printing to design and create lower-cost prosthetics. The designers quickly had the first version of Robohand which modeled after the muscle and tendon structures of crab legs and human fingers, which only needs about $150 in parts. Read more

3D printing creates low-cost prosthetic fingers
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