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Category: Carnes Arm

Carnes arm getting re-engineered by an Australian [news]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Carnes arm getting re-engineered by an Australian [news]; published June 19, 2011, 19:27; URL: https://www.swisswuff.ch/tech/?p=444.

BibTeX: @MISC{schweitzer_wolf_1569141986, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Carnes arm getting re-engineered by an Australian [news]}}, month = {June},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=444}}


The Carnes arm here has some previous entries, check them out.

Now, Mark actually visited the man that sold him the Carnes arm 'over Internet connection and friends' (Mark: anytime again : ) Turns out things are now really going in the right direction.

Particularly for transhumeral amputees, I believe the Carnes arm has a lot going for it, but it definitely needs a tune up both in terms of materials and ease of clockwork. With osseointegration, you want light weight and as much integrated function as ever possible. Combining elbow flexion and supination is one really good example of a possibly sensible integration over several joints.

As far as I am aware, even combined hand and wrist motion, leave alone hand - wrist - elbow combinations, are really nothing our current commercial consumer product designers do consider in their current "all things are called now 'bionic'" rage. So as every now and so often, amputees have to look out for themselves.

It really appears that the Carnes arm re-engineering now is underway as I read this hot off the press news. Great stuff.

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Carnes arm - history and current status [update]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Carnes arm - history and current status [update]; published July 14, 2010, 06:35; URL: https://www.swisswuff.ch/tech/?p=243.

BibTeX: @MISC{schweitzer_wolf_1569141986, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Carnes arm - history and current status [update]}}, month = {July},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=243}}


Carnes arm and function

The Carnes arm is a sophisticated and mechanical prosthetic arm. It was developed by William T. Carnes and patented from the year 1911 on under the US Patents 760102 (artifical limb), 1046966 and 10469672287781 (artificial arm and hand). Interestingly, the more intricate mechanism that the Germans bought from William Carnes (see below) does not appear to surface in the US Patent files until 1942 (US Patent 2287781).

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Carnes arm - hand function

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Carnes arm - hand function; published January 30, 2010, 22:46; URL: https://www.swisswuff.ch/tech/?p=268.

BibTeX: @MISC{schweitzer_wolf_1569141986, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Carnes arm - hand function}}, month = {January},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=268}}


After I discussed the history of the Carnes arm, here is a description of one of the more intricate mechanisms found in later Carnes hands [4]. I find it absolutely fascinating to also consider how history seems to repeat itself.

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