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Category: Otto Bock

Otto Bock Michelangelo hand DEMO [Gonzo report]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Otto Bock Michelangelo hand DEMO [Gonzo report]; published May 27, 2011, 12:01; URL: https://www.swisswuff.ch/tech/?p=416.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Otto Bock Michelangelo hand DEMO [Gonzo report]}}, month = {May},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=416}}


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[Find all articles about the Otto Bock Michelangelo hand]

Zurich, May 27th 2011.

Dipl.-Ing. Martin Wehrle presented the Otto Bock Michelangelo hand starting at 9:00 AM in a presentation at our local technical orthopedic service, Balgrist Tec. To that purpose he was wearing one on his right arm. This is my Gonzo report about the event.

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Otto Bock Michelangelo hand - new multi electrode version [rumor]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Otto Bock Michelangelo hand - new multi electrode version [rumor]; published May 20, 2011, 22:49; URL: https://www.swisswuff.ch/tech/?p=414.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Otto Bock Michelangelo hand - new multi electrode version [rumor]}}, month = {May},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=414}}


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The video below seems to show a 6 or 7 electrode hand. By origin (Austria) and appearance this likely is an advanced Otto Bock Michelangelo hand. It is rather noisy as is the iLimb. It appears that before they started to roll out their 2-electrode hand to orthopedic technicians, they already try to get it up to level with multi electrode control and, hopefully, trained grip patterns.

Interesting!

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iLimb versus DMC plus hand [comparison of myoelectric prostheses]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - iLimb versus DMC plus hand [comparison of myoelectric prostheses]; published April 10, 2011, 17:17; URL: https://www.swisswuff.ch/tech/?p=398.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - iLimb versus DMC plus hand [comparison of myoelectric prostheses]}}, month = {April},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=398}}


[Artikel auf Deutsch]

While the feedback one gets through support / user circles concerning the iLimb hand is alleged to not be very good, this does not necessarily mean much. It may not be a significant thing to learn after all. Because on the other hand ('bwahaha') the iLimb hand does seem to have its fans. In my own view and having seen this device up-front, it is extremely loud and noisy and - as mentioned on this blog website several times now - not too functional.

Whatever may turn out to be the case from your own view, the iLimb hand appears to be a generally lovable and endearing product. A bit on the expensive side, admitted - but still lovable. Generally people wear things and like things that may not even have to be too functional. Why one would have to point out an iLimb to wear as product that falls into the 'lovable but not too functional' category is something I do not understand though. For my own needs, wearing a 'lovable but not too functional arm' is sufficiently covered by using my cosmetic arm.

But now there is this study out so let's have a look.

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iLimb versus DMC plus Hand [Vergleich myoelektrischer Prothesen]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - iLimb versus DMC plus Hand [Vergleich myoelektrischer Prothesen]; published April 10, 2011, 17:08; URL: https://www.swisswuff.ch/tech/?p=397.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - iLimb versus DMC plus Hand [Vergleich myoelektrischer Prothesen]}}, month = {April},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=397}}


[Article in English]

Waehrend man in Support-Kreisen von Betroffenen eher nicht so viel gutes ueber die iLimb-Hand zu hoeren bekommt, was nichts heissen soll, scheint diese Hand auch ihre Fans zu haben. Wie auch immer, ist das Produkt jedenfalls (fuer meinen Geschmack) ganz extrem laut, und wie bereits mehrfach hier auf meiner Blog-Seite erwaehnt, keineswegs besonders funktionell.

Unbeachtet dessen ist sie offenbar an sich ein liebenswertes Produkt. Das zeigt, dass Leute auch gerne Sachen anhaben, die gar nicht einmal besonders funktionell sein muessen. Warum das ausgerechnet eine i-Limb hand sein muss, wissen die Goetter - mir selbst reicht zum Gernhaben und aufgrund der Erscheinung (im Gegensatz zur Funktion) bevorzugte Hand eine vergleichsweise spottbillige passive Kosmetik-Hand.

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Otto Bock Michelangelo hand - length of unit about 185 mm of wrist to tip of thumb, weight around 700g [rumor]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Otto Bock Michelangelo hand - length of unit about 185 mm of wrist to tip of thumb, weight around 700g [rumor]; published April 10, 2011, 14:16; URL: https://www.swisswuff.ch/tech/?p=393.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Otto Bock Michelangelo hand - length of unit about 185 mm of wrist to tip of thumb, weight around 700g [rumor]}}, month = {April},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=393}}


1 Comment

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Length of the Otto Bock Michelangelo hand unit measured tip of thumb to wrist mount is allegedly about 18,5 cm. This is certainly relevant to know right from the outset. As that it can not be considered for people with longer stumps such as me.

Weight apparently is around 700g without socket. That will probably place it up there with the other myo arms, weight wise.

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What does Otto Bock mean by "significant benefits" with their Michelangelo hand?

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - What does Otto Bock mean by "significant benefits" with their Michelangelo hand?; published November 3, 2010, 05:31; URL: https://www.swisswuff.ch/tech/?p=363.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - What does Otto Bock mean by "significant benefits" with their Michelangelo hand?}}, month = {November},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=363}}


[Find all articles about the Otto Bock Michelangelo hand]

In their ISPO World Congress 2010 Leipzig contribution, Otto Bock stated their Michelangelo hand would show significant benefits for arm amputees.

After an initially very appealing presentation of the Otto Bock Michelangelo hand, absence of further functional improvements at the Leipzig 2010 exhibition appeared to miss out on some functions that we would expect by now, given that 2008 research already reported some of these. Also, the Otto Bock Michelangelo hand is *not* thought-controlled as some may believe.

So when I see my prosthetic technicians spending their time traveling to Otto Bock Michelangelo demos, instead of conducting seminars about how to build better body powered arms, and instead I find myself in my own work shop every now and so often, revising their work, fixing their work, coming up with the technical designs they would be paoAs rotatory cuff problems are one of the bigger and more neglected aspects, improvement of shoulder strain certainly would count as significant. For that, grip geometry and weight are key issues.

The following video shows a Otto Bock Michelangelo hand demonstration.

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Robotic arm man Christian Kandlbauer dies in hospital after crash [news]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Robotic arm man Christian Kandlbauer dies in hospital after crash [news]; published October 24, 2010, 14:25; URL: https://www.swisswuff.ch/tech/?p=359.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Robotic arm man Christian Kandlbauer dies in hospital after crash [news]}}, month = {October},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=359}}


News report:

An Austrian man who was the first in Europe to wear an innovative high-tech artificial arm has died after the car he was driving veered off the road and crashed into a tree.

Christian Kandlbauer lost both of his arms in an electrical accident in September 2005 but was able to live a largely normal life thanks to a mind-controlled robotic prosthetic left arm and a normal prosthesis in place of his right arm.

The 22-year-old died yesterday said Andreas Waltensdorfer, a senior physician at a hospital in the southern city of Graz, where Kandlbauer had been in intensive care since Tuesday, the day of the crash.

The cause of the crash remains unclear. Both Waltensdorfer and local police said today it was impossible to tell whether the accident was caused by problems with Kandlbauer's prosthetic arms.

Kandlbauer, who drove himself to work every morning after getting his driver's licence last year, had said his quality of life improved dramatically due to the mind-controlled prothesis, which recognised signals from his brain and moved accordingly.

"Thanks to the mind-controlled prothesis, I'm almost as independent and self-reliant as I was before my accident," Kandlbauer said in comments on the Web site of Otto Bock HealthCare Products, the company that produced the prothesis. "I can pretty much live the life before the accident."

Kandlbauer's car was adapted with special equipment and was approved by local transportation authorities.

Notburga Halbauer, a spokeswoman for Otto Bock, said Kandlbauer was the first person outside the United States to wear the mind-controlled prothesis.

Men, young men, cars, fast cars, always are a combination that sometimes end tragically. In this instance, all that remains is to wish the family and friends all the best.

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Cable ball link - steel cable connection

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Cable ball link - steel cable connection; published September 27, 2010, 14:57; URL: https://www.swisswuff.ch/tech/?p=355.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Cable ball link - steel cable connection}}, month = {September},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=355}}


Since I got equipped with ball end to steel cable connectors by Otto Bock, I did not know any different. But their cable connectors contain a hollow portion that takes up the steel cable end measuring not more than about 8 mm in length. With that, the amount of tool marks that show squeeze locations usually runs up to about two. And after about 3-6 weeks of usage, that is where the steel cable comes out. During an average pull, *shwoop*, out comes the cable and that then is the end of that particular cable.

Now, that problem got solved and if not, at least it got delayed.

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Otto Bock USA - afraid of the rest of the world?

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Otto Bock USA - afraid of the rest of the world?; published July 18, 2010, 16:40; URL: https://www.swisswuff.ch/tech/?p=336.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Otto Bock USA - afraid of the rest of the world?}}, month = {July},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=336}}


It appears that Otto Bock USA now promotes Upper Extremity Prosthetics via a Fan Page on Facebook:

http://www.facebook.com/pages/Otto-Bock-US-Upper-Limb-Prosthetics/129165297093809?v=wall

But not to everyone.

The web page of Otto Bock USA is closed to my access. I cannot access it. Not from here (Zuerich, Switzerland).

Unless, of course, I use an American proxy server. So I use an American proxy server. Then, Facebook (which obviously supports and forwards IP restrictions) will exhibit all content. I still cannot use the "LIKE" button, so they also blocked that.

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Art and Disability - Vom Makel des Charmes und vom Unsinn, die Kombination von Behinderung, Submissivität, Objektfetisch und Oberflächlichkeit andauernd als was anderes anzupreisen

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Art and Disability - Vom Makel des Charmes und vom Unsinn, die Kombination von Behinderung, Submissivität, Objektfetisch und Oberflächlichkeit andauernd als was anderes anzupreisen; published June 13, 2010, 15:49; URL: https://www.swisswuff.ch/tech/?p=317.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Art and Disability - Vom Makel des Charmes und vom Unsinn, die Kombination von Behinderung, Submissivität, Objektfetisch und Oberflächlichkeit andauernd als was anderes anzupreisen}}, month = {June},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=317}}


4 Comments

Charme [?arm] der-snur Sg 1. der reizvolle, positive Eindruck, den eine Person od. Sache auf jemanden macht <der Charme einer Frau, einer Stadt; bezaubernder, unwiderstehlicher, weiblicher Charme; Charme ausstrahlen; (viel) Charme haben> 2. seinen Charme spielen lassen gespr; sich absichtlich liebenswürdig und höflich verhalten (meist um dadurch einen Vorteil für sich zu erreichen)

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Gedankengesteuerte Armprothese von Otto Bock: die Michelangelo-Hand [Medien-Hysterie]

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - Gedankengesteuerte Armprothese von Otto Bock: die Michelangelo-Hand [Medien-Hysterie]; published May 16, 2010, 21:46; URL: https://www.swisswuff.ch/tech/?p=308.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Gedankengesteuerte Armprothese von Otto Bock: die Michelangelo-Hand [Medien-Hysterie]}}, month = {May},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=308}}


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Wie immer: Nichtbehinderte verfallen immer wieder in eine Art Hysterie beim Thema Prothesentechnik, und die kann blind machen

Von Nichtbehinderten wissen wir, dass sie mitunter bei Kontakt mit Behinderten eine sie selbst blind machende Hysterie, einen gestressten Eifer an den Tag legen.

Ein Problem koennte sein, dass unser Comme-il-faut, unser Benimm-Buch, der Umgangs-Kodex unserer Gesellschaft, keine wirklichen Regeln fuer den Umgang mit Behinderungen vorsieht. Es ist daher Vorsicht, Mut und Improvisationstalent gefragt. Das ist aber nicht allen Leuten gegeben. Das Fehlen derartiger Hilfestellungen koennte dann dazu fuehren, dass Nichtbehinderte, die mit diesen etwas unklaren Situationen ueberfordert sind, auf gelegentlich durchaus stereotype Weise reagieren.

Auch Journalisten haben solche Reaktionen. Die Gesellschaft insgesamt 'kennt' dann die Darbieter des Wunderglaubens, man sei 'da' (mit verheissungsvollem Blick auf den Armstumpf) schon 'sehr weit' - etwa Otto Bock oder Touchbionics.

Da geben sich diese Firmen echte Muehe, aus etwas Plastik und Elektrik Dinge fuer einen tausendfachen Preis als "bionische Prothese" zu verkaufen. Versicherungen sind verunsichert ;) und die Hersteller wittern extreme Renditen. Aber wer ihnen auf den Leim geht, ist selbst schuld: Medienhypes sind nicht neu. Und sie sind als schaedlich zu betrachten.

Und jetzt heisst es, die Michelangelo-Hand sei 'gedankengesteuert'. So ... mal wieder ein hysterischer Tag?

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What happened to the Otto Bock Michelangelo hand?

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Wolf Schweitzer: Technical Below Elbow Amputee Issues - What happened to the Otto Bock Michelangelo hand?; published May 12, 2010, 21:14; URL: https://www.swisswuff.ch/tech/?p=307.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - What happened to the Otto Bock Michelangelo hand?}}, month = {May},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=307}}


[Find all articles about the Otto Bock Michelangelo hand]

Cost of Michelangelo hand

As of 2013, the Michelangelo hand was reported to cost around 90'000 CHF. An extension of the 1-year warranty (!) appears to cost another 10'000 CHF.

What did we expect?

Earlier press releases of the Otto Bock Michelangelo hand had showed a great industrial look that resembled famous real world prosthetic hands, such as the Becker Imperial hand.

So far and in my view, the Otto Bock Michelangelo design study was the coolest prosthetic design close to production ever (don't get me started on the coolest design NOT close to production).

Functionally, I did expect the Michelangelo hand to lead the market with a first multi electrode or full surface recording, with interference stable electronics that they built together with any of the major mobile phone or laptop computer manufacturers, and obviously a data glove for the remaining hand to train the whole system. Full customer software access is a given for anything that costs over 2'000 CHF and with myoelectric technology sold at prices around 30'000 CHF upwards I will expect full access to any part at any time. Also, batteries are out, Toshiba now sells fuel cells. Where are they?

But what happened!?

At the OT-Leipzig 2010 exhibition (below), they showed this oops-looking white el-cheapo rapid prototyping design. What it conveys is neither male, nor capable, or cool. None of these. There are no cables, no steel, no rust, no dried up color drip to tell us "man at work" - in essence, no coolness to fill us with joy. Waaah!

And I believe we have too be critical of what is shown as test, as proof of concept, as apparent sign of possible usefulness.

So tell me, when will they stop peeling bananas or filling water bottles, or holding on to objects of no particular concern? All these are actions of no particular prosthetic need (ANPPN). They do not prove a thing. We can do any of these just as well with a hook - or even a regular Otto Bock hand. And we can do them more comfortable and without any recharge, at a far lesser cost and with far cooler looks.

Try to show us something new. Show us piano play, guitar picking, show us a fist and then an extended index finger. Show us *new* stuff, that's what I meant to say.

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Is Otto Bock moving over - is their previously occupied body powered market segment now being cleared?

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Is Otto Bock moving over - is their previously occupied body powered market segment now being cleared?; published May 5, 2010, 06:55; URL: https://www.swisswuff.ch/tech/?p=305.

BibTeX: @MISC{schweitzer_wolf_1571793165, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Is Otto Bock moving over - is their previously occupied body powered market segment now being cleared?}}, month = {May},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=305}}


[Article in German]

It appears that Otto Bock never introduced their 2008 release of the MovoHook prosthetic hook - it never surfaced in their catalogs nor on their websites. The product is inherently unpatentable as all principles used in that hook are already patented in old outdated patents. Also and since 2008, no other innovations of body powered prosthetics are seen from Otto Bock. Their body powered parts (wrist, bolts, cables, harness) are characterized by a high price but a quality that I find rather arguable (see other pages of this website). And a product such as the Michelangelo hand will not be constructed for body powered arms - not at any time within the foreseeable future.

Now, Otto Bock Switzerland has opened up the Otto Bock orthopedic technical competence center Dynortis in Lucerne, Switzerland. Their rather strangely attractive website has one eerie gap, something missing: there are explicitly no body powered parts offered. Since October 2009 when they opened that franchise, body powered arms are no longer part of what Otto Bock represents there!!

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