camera that has touch screen / easy to press shutter button

My uncle had an accident in his semi-truck that left him paralyzed from the chest down.  He has some use of his arms and hands but cannot hold onto a camera and snap the shutter.  He loves to take photos and I was looking for a way for him to continue. What I'm thinking is a decent lightweight point and shoot with one of those gorilla arm tripods that he can wrap around his wheel chair.  What would be ideal would be a camera where the shutter can be triggered on a touch screen or even a very easy to press shutter button.  Any ideas or suggestions would be much appreciated.
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http://www.raysoldano.com
Nikon D300s, Nikon 70-300 VR & Nikon 50mm f1.8g
Nikon D200, Sigma 70-300mm & Quantray 18-50mm Lenses (RIP - Lost in house fire)

My Nikon coolpix is very lightweight and takes great photos. I have an adapter that hooks onto my spotting scope and the adapter has a neat shutter release gadget that I would imagine you could use even without hooking it up to a spotting scope. It's like a wired shutter release, but without being plugged into the camera. (a prong reaches down and pushes on the shutter release button) This cord could easily be attached where he can reach it.
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I think there's a few different ones that have remote releases.
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-John
Sarcasm, frustrating the clueless since 3000 b.c.
"There is no Un-Suck filter" David duChemin

Check out the new blog. http://www.jklebphoto.wordpress.com

All he needs is a remote trigger. I have all the tools he would need to snap the shutter with his teeth. Manfroto makes a clamp that will attach pretty much anything to anything.
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Between two evils, I always pick the one I never tried before. -- Mae West

Chattanooga Portrait Photographer BobEdens.com

All he needs is a remote trigger. I have all the tools he would need to snap the shutter with his teeth. Manfroto makes a clamp that will attach pretty much anything to anything.

Got a link to the manfroto stuff?
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http://www.raysoldano.com
Nikon D300s, Nikon 70-300 VR & Nikon 50mm f1.8g
Nikon D200, Sigma 70-300mm & Quantray 18-50mm Lenses (RIP - Lost in house fire)