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Bionic limbs
posted on 11/01/2009 10:41 AM by Pandemonium1323

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http://www.jpost.com/servlet/Satellite?pagename=JP ost/JPArticle/ShowFull&cid=1256799054663
http://tinyurl.com/yhjmmjx

THE COMPUTERIZED device is made of three different microprocessors, 12 sensors and a frame of aluminum, titanium and rubber. It is powered by modular batteries that snap in and out and are recharged once a day. Skin-like rubber coatings are available at extra charge to look like a real foot, but Herr says he and many others "prefer the robotic look. At a certain point, people appreciate the machine. It is beautiful," he declared.

The microprocessors and sensors assess and adjust the position of the ankle and other factors, while algorithms generate human-like force while accessing stairs, flat ground and inclines. His feet have a neural interface that can communicate with the nerves in the stumps of his legs. The robotic devices allow him to walk smoothly, with no hint of a disability; in fact, during his lecture at the conference, he declared that he did not feel at all disabled.

His invention allows him to grip snow-coated rocks on mountains that would be almost impossible to negotiate with human feet, change his height to clutch holds that he couldn't before, and compete against climbers who are able bodied.

He is well aware of the enormous need for his products not only in the developed world where war injuries, road accidents, diabetic foot, stroke, rheumatic diseases and other conditions lead to amputations, immobility or paralysis. There are large number of adults and children in developing countries disabled by land mines, war, terror and diseases who need his prostheses and orthoses. "The actual raw materials for the foot cost around $150, but they are sold for tens of thousands of dollars. In poor countries, sophisticated local manufacturing plants could bring down the cost tremendously," Herr suggested.

HERR DOESN'T want to stop there; he believes that robots that interact with people will revolutionize life. They can be used instead of doctors to ask embarrassing questions; they could of course take on household chores and further liberate women, the elderly and the disabled. Herr predicted in his lecture that brain implants much smaller than a thumb nail could sense neural data and provide thought control of computerized objects.

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Re: Bionic limbs
posted on 11/03/2009 4:04 PM by exapted

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Interesting article Pandemonium.

I have a question for you or anyone.

I know someone who is paralyzed starting at the torso somewhere. So there is no feeling below, I guess, the chest. How and when will bionic exo-skeletons be available for such cases?

(Followup: When might it be possible to use bio-computer interfaces to [wirelessly] reconnect the nerves so that the original body could function again?)

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Re: Bionic limbs
posted on 11/03/2009 4:20 PM by Pandemonium1323

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Is the question when will it be ubiquitous, or when will it exist?

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Re: Bionic limbs
posted on 11/03/2009 4:42 PM by exapted

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[1] When will it exist in a form that functions satisfactorily?
[2] When will it be available commercially?
[3] When will it be common in rich countries?

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Re: Bionic limbs
posted on 11/03/2009 5:15 PM by someday69

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OK now this is exactly what some people get angry about,,WHEN WILL IT START WORKING FOR ME...it's what makes people look into the future and say..
S.O.S.....same old sh*t......pie-in-the-sky---
like mysticMonkeyguru..."the sing will not be televised"....

But if you see the worry on the mothers children,as they sit,smok'n various medications,in the waiting room of the hospital......
Then the doors to the emergency surgical,,OR--OPENs..and they have Obviouslly sent out the A.I.robot,,and as it rolls toward them,,,two of the women,breakdown,crying,,the other actually screeaammss...the two men,lower there heads and walk out,,probably to find a bar,,with loud music,,
The robot trys to consol the women,to no avail....they a;; knew as soon as the robot wheeled out,,,that the doctor,,did'nt want to give the bad news.......someday...

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Re: Bionic limbs
posted on 11/03/2009 5:18 PM by someday69

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But actually ,,,If there was AI robot or not,,,,then the paient would not of died...or at the very least,,she would have been uploaded in lue of here clone,,,being grown...ect..

What would work out better is ....the robot was sent to give the bad news....at eleven.....

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Re: Bionic limbs
posted on 11/03/2009 5:19 PM by exapted

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I'm confident there will be a solution to the friend I was referring to. I'm just not sure what kind of technology could enable bionic exo-skeletons for people who are paralyzed from somewhere in the torso down. They couldn't use nerve-endings in limbs, it would have to start in their brain or spinal cord or something.

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Re: Bionic limbs
posted on 11/05/2009 4:18 AM by Virgilic

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the technology to connect electronics and nerves is already present. It has been shown that the brain learns to understand electric signals coming from electronics attached to nerves.

It is only a matter of complexity to create bionic limbs that replicate biologic functionality satisfactorily. Or to wirelessly connect parts of severed nerves to close the gap.

Miniaturisation and biocompatibility is still an issue but it is advancing rapidly.

I'd say your friend will be fine in about 15 - 20 years considering FDA approval time.

I can't wait to connect stuff to may brain and experience the feeling of having additional eyes or limbs. It's the transition that fascinates me, connecting new things and training the brain to control them, integrating them into my consciousness, my self-awareness. I want to go through this experience. It would be truly a moment of becoming or something, I can't find the words to describe what I predict the feeling will b like...

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Re: Bionic limbs
posted on 11/05/2009 10:57 AM by Pandemonium1323

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http://www.sciencedaily.com/releases/2009/11/09110 4132708.htm

A new invention from Tel Aviv University researchers may change that. Prof. Yosi Shacham-Diamand of TAU's Department of Engineering, working with a team of European Union scientists, has successfully wired a state-of-the-art artificial hand to existing nerve endings in the stump of a severed arm. The device, called "SmartHand," resembles -- in function, sensitivity and appearance -- a real hand.
Robin af Ekenstam of Sweden, the project's first human subject, has not only been able to complete extremely complicated tasks like eating and writing, he reports he is also able to "feel" his fingers once again.
In short, Prof. Shacham-Diamand and his team have seamlessly rewired Ekenstam's mind to his SmartHand.
Linking mind and machine
Prof. Shacham-Diamand's contribution to the project, on which TAU collaborated with Sweden's Lund University, is the interface between the body's nerves and the device's electronics. "Perfectly good nerve endings remain at the stem of a severed limb," the researcher says. "Our team is building the interface between the device and the nerves in the arm, connecting cognitive neuroscience with state-of-the-art information technologies."
Prof. Shacham-Diamand runs one of the top labs in the world for nano-bio-interfacing science: the Department of Electrical Engineering -- Physical Electronics Lab under the Bernard L. Schwartz Chair for Nano-scale Information Technologies. "Our challenge," remarks Prof. Shacham-Diamand, "was to make an electrode that was not only flexible, but could be implanted in the human body and function properly for at least 20 years."
The artificial SmartHand, built by a team of top European Union scientists, will belong to Ekenstam, the test subject, as long as he wishes. "After only a few training sessions, he is operating the artificial hand as though it's his own," says Prof. Shacham-Diamand. "We've built in tactile sensors too, so the information transfer goes two ways. These allow Ekenstam to do difficult tasks like eating and writing."

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Re: Bionic limbs
posted on 11/05/2009 11:11 AM by Virgilic

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Ok, 5-10years

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Re: Bionic limbs
posted on 11/05/2009 11:27 AM by Pandemonium1323

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Yep. The question is when will social progress and economic progress get it's head out of the sand, not how fast we can design this stuff.

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