Jon Kuniholm's Page

Sir,
I am a new fan of yours from India. I have read your articles and blogs about amputation. We were a bunch of students who were doing a prosthetic arm project, just for fun. But then we have came across the real trauma of amputation during the pre project survey(read the full story on our blog shabdorg.blogspot.com). After that incidence we taken this project as our life long project. Our mission is atleast we could give our national amputees at least what people of your country can get. In our country each year million of rupee is wasted on research and the final product is kept in the research center itself as a showpiece. The reality is in our country 80%amputees never get more than the bandages over the wound. Anyways we are not in favour the new research of transplantation of arm from a brain dead person to an amputee. Though its almost 100% successful (49/50), it is death of ethics and almost killing someone for a rich man amputation surgery.
In the meanwhile we came across your website and at last we are here. We just want to enquire how really this site helps us to achieve our goal. Please do contact us, my mail id is dasdevashishdas@gmail.com
regards,
Devashish Das,
India

Some people found it useful that the Carnes arm's feature used position dependent motion combination. There was elbow dependent wrist rotation allowing pronation for an extended elbow and supination for a flexed elbow. So from past experience some position dependency of prosthetic function could be justified to be 'useful'.

With limited input variables, the one and only clever way to exploit these constraints has not been found.

So my guess would be to include the Bosch accelerometer, build a demo and start testing it. Only when you wear it and play with it you can find out how cool or how useless it really is.

Just starting out, Jon, and your link to Open... was very interesting. Just FYI, I have an evaluation board for the Micro line of Microcontrollers. It has a Wii-like accelerometer and some demo software that makes it like a Wii. The accelerometer proper is a digital wonder chip from Bosh, costs ~$5 small quantities. So, if Wii-like motion sensing is wanted, it looks like it is in the bag, more or less, already.

George

I'm including the simplest schematics ckt. that i ever designed for this prosthesis hand. Please note, i tried to use only those components which are only available in developing countries (like my countriy Bangladesh). Moreover it minimize the cost dramatically with a small sacrifice of performance.

Dear Jon

I am Riam Dean's mother, it was nice of you to add one of her interviews on your blog. I am very interested to know more about your social network and projects. I will also pass your details to Riam.

hi there,

we are both missing the same limb i see.
i was wondering how you started this website?

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