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[Gizmag] Pneumatic thought-controlled prosthetic arm created by students

post #1 of 23
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Quote:
Two undergraduate students from Toronto's Ryerson University have created a prosthetic arm that is controlled by its wearer's brain signals, and powered by compressed air. Not only is the Artificial Muscle-Operated (AMO) Arm said to offer a greater range of movement than traditional prostheses, but it also doesn't require the amputee to undergo invasive surgery, is easy to learn to use, and it is relatively inexpensive to make.

The AMO Arm was designed and built by Ryerson biomedical engineering students Thiago Caires and Michal Prywata. While it took them a year to create the custom software, the prototype itself was assembled in just 72 hours.

Amputee users wear a headset, which detects signals that their brains still produce, even after an arm has been lost. Those electrical signals are sent wirelessly to a microprocessor in the arm, that compares them to an onboard database of established command signals. If there's a match, it actuates the arm accordingly – if the user thinks of "up," for instance, the arm moves up.
Source

nice, still looks a bit crude I think, but the best part is that it's "relatively" cheap.
 
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post #2 of 23
Cool... inb4terminator
post #3 of 23
looks heavy...
weight?
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post #4 of 23
So basically, it won't cost an arm and a leg?

HACHACHACHA!!!
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post #5 of 23
Not that the thought controller isn't impressive. But as far as the pneumatic actuation....well, that is not a new concept for robotic movement at all. Seems to me, they would be better off using Nitinol (a.k.a. "muscle wire"). Rather than having to carry, or have access to an air compressor. A battery, or even possibly tapping into the nervous system for the electrical impulses to amplify may be an better solution.

Crap, should have patented that prior to putting it on a forum
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post #6 of 23
Quote:
Originally Posted by Lucky 13 SpeedShop View Post
Not that the thought controller isn't impressive. But as far as the pneumatic actuation....well, that is not a new concept for robotic movement at all. Seems to me, they would be better off using Nitinol (a.k.a. "muscle wire"). Rather than having to carry, or have access to an air compressor. A battery, or even possibly tapping into the nervous system for the electrical impulses to amplify may be an better solution.

Crap, should have patented that prior to putting it on a forum
I seriously doubt you could power anything of significance with a human nervous system, it is for data not power(kinda like trying to power a pc with ethernet). if they can make an electrically powered compressor that is quiet enough to not be bothersome, these arms would be useful... if not, then its back to servos i guess.
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post #7 of 23
Quote:
Originally Posted by qwertymac93 View Post
I seriously doubt you could power anything of significance with a human nervous system, it is for data not power(kinda like trying to power a pc with ethernet). if they can make an electrically powered compressor that is quiet enough to not be bothersome, these arms would be useful... if not, then its back to servos i guess.
Which is why they should use that stuff that produces electricity when it flexes as the 'skin' for the arm

...or alternatively graft a load of it into the human body and wire it up so you can throw electricity from the fingers
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post #8 of 23
Ya know the people without a limb probably wouldnt give a crap if its a tad noisy if they can use their arm again. I wouldnt care, i would buy it it if i was missing an arm and then tell people to go do something with theirselves if they complain about it.
post #9 of 23
Quote:
Originally Posted by redfroth View Post
So basically, it won't cost an arm and a leg?

HACHACHACHA!!!
HAAHHHHHHH good one, lets give him a hand.
get it... pfhfhfh...
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post #10 of 23
Quote:
Originally Posted by Kevlo View Post
Ya know the people without a limb probably wouldnt give a crap if its a tad noisy if they can use their arm again. I wouldnt care, i would buy it it if i was missing an arm and then tell people to go do something with theirselves if they complain about it.
Yeah, this is exactly what i want to hear every time I'm in a public place... The tech is cool, usefull, and needed. But also INCREDIBLY ANNOYING.
I'm not asking them to quit doing what their doing, I'm just asking them to make it quiet.

Edit: I would however, find it completely hilarious if you walked into a library with an arm powered by a loud ass compressor. Oh how the politically correct(and incorrect) will react... PRICELESS.
Edited by qwertymac93 - 4/2/11 at 7:37am
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