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3D-Printed Hand Could Serve as Scaffold for Living Tissue – Discovery News

by • February 22, 2016 • No Comments

Thanks to sat any timeal million years of evolutionary R&D, the human hand is one of the many amazingly complicated and sensitive tools at any time engineered.
So when it comes to robotic hand turn it into, things have traditionally been … hmm, challenging is most likely an understatement. For decades, robot hand turn it into has tended to favor function over form, drawing of the world of man-created machines pretty than intricate biology.
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Researchers at the University of Washington are hoping to take things in another way. By essentially starting of scratch, they’ve created a essentially various — and pretty attractive — turn it into version for artificial hands.
Zhe Xu and Emanuel Todorov, of the university’s Department of Computer Science & Engineering, began by laser scanning the hand of an actual human skeleton and via the data to 3D-print artificial bones. This allowed the researchers to turn it into a baseline structure that accounts for sure peculiarities in the human hand.
Meanwhile, joint ligaments and tendons on the robotic hand were created of the lightweight, high-strength fiber material known as Spectra. Other soft tissues were replicated with laser-cut rubber sheeting, resulting in a layered web-like structure.
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Muscles were created of an array of servos with cable routing turn it intoed to mimic the carpal tunnel — the notoriously troublesome passageway between the forearm and the palm. It all adds up to a artificial hand that’s eerily exact in its movements, as you can see in the demo video at a lower place.
“Our robotic hand turn it into uniquely preserves the significant biomechanical information of the human hand on anatomical level,” say the researchers in their paper, that can be officially presented at International Conference on Robotics and Automation (ICRA) in Stockholm.
The new artificial hand turn it into has future application in humanoid robotics as well as limb prosthetics. But actually additional intriguingly, the researchers suggest that — together with makes it to in neuroprosthetics and skin grafting — the turn it into may be utilized as 3-D scaffolding for actual limb regeneration.

via MedGadget

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