[Blabber] Can we make a set of thumbs for a four-year-old boy?

Ben S ben.sugimori at gmail.com
Tue Apr 16 17:00:28 UTC 2013


Kon would be the guy I know, who's been researching that tech. Dave likely knows a lot, as do others.

I wouldn't know where to start.

BenS

On Apr 16, 2013, at 12:12, Guan Yang <guan at yang.dk> wrote:

> So we should start with some EMG tests?
> 
> 
> 
> On Tuesday, April 16, 2013 at 11:57 , Ben S wrote:
> 
>> I agree with Konstantin - EEG would only work with a full skull-cap and conductive paste, if at all. The toy/hacker EEGs are severely limited. EMG would be more natural.
>> 
>> It's a good time to start this boy on learning the interface - an adult wouldn't adjust as easily. Also, his friends will more likely think it's cool than be uncomfortable around it.
>> 
>> One concern I have is that, unlike the person in the article, this boy was born without the digits in question, and there may be more going on, with respect to signals sent to that part of his hand.
>> 
>> A mold of both hands would help, as would details of the boy's hand functionality as it exists now.
>> 
>> I lack the 3D printing and coding skills, but I'd be happy to lend a hand making it more aesthetically-appealing to the boy and his friends. 
>> 
>> Also, I think I could make sure it's comfortable and doesn't lead to ergonomicly-related problems further on (carpel-tunnel, etc). 
>> 
>> Comfort is very important to a boy that age. If it's itchy or makes him sweaty, he'll likely not want to wear it. Looking cool is important to all boys.
>> 
>> BenS
>> 
>> On Apr 16, 2013, at 7:32, Konstantin Avdashchenko <konsgn at hotmail.com (mailto:konsgn at hotmail.com)> wrote:
>> 
>>> emg would be a better option if possible. Unfortunately, unlike the other fingers an the hand(whose muscles to control them are in the forearm) the thumb is powered by muscles in the palm. as such it is much harder to get a stable reading from. 
>>> 
>>> Although if we can get a reading, then as emg signals are in the mv not nv range, we would have a much more reliable signal. Also there shouldn't be too much learning involved.
>>> 
>>> Date: Mon, 15 Apr 2013 22:27:31 -0400
>>> From: matthewduepner14 at gmail.com (mailto:matthewduepner14 at gmail.com)
>>> To: blabber at list.hackmanhattan.com (mailto:blabber at list.hackmanhattan.com)
>>> Subject: Re: [Blabber] Can we make a set of thumbs for a four-year-old boy?
>>> 
>>> I would love to help. Considering what they were able to do for that other boy, this should be no problem at all :)
>>> -Matthew
>>> 
>>> 
>>> 
>>> On Mon, Apr 15, 2013 at 10:23 PM, Jim E Galvin <jim at galvinized.com (mailto:jim at galvinized.com)> wrote:
>>>> A friend of mine has a 4-year-old nephew, who was born without thumbs or pinkies, but his other digits function well. After reading this article in Blaze, she asked me if we could do something similar.
>>>> 
>>>> http://www.theblaze.com/stories/2013/02/07/5-year-old-without-fingers-receives-custom-robohand-made-using-3d-printer-and-150-in-parts/ 
>>>> 
>>>> Can we? 
>>>> 
>>>> Thanks, 
>>>> Jim
>>>> 
>>>> 
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