Medicine:Bebionic

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BeBionic is a commercial prosthetic hand designed to enable amputees to perform everyday activities, such as eating, drinking, writing, typing, turning a key in a lock and picking up small objects.

The first version of the bebionic hand was launched at the World Congress and Orthopädie & Reha-Technik, Trade Show, Leipzig, Germany in May 2010.[1][2]

Designed in the United Kingdom , the bebionic hand is manufactured by RSL Steeper and is available worldwide. Since February 2nd, 2017 BeBionic is owned by Ottobock[3][4]

Technical specification

Dimensions:

There are two formats of the "Bebionic3", the first is called the "Large" and the second is the "Medium". You will find in the next Table some dimensions of the 2 different prostheses. [5][6]

Part of the hand Large Medium
Middle finger tip to hand base 200mm 190mm
Thumb tip to hand base 125mm 121mm
Diameter of chassis at wrist 50mm 50mm
Weight btw. 572g & 598g btw. 565g & 591g

Grips:

The "Bebionic3" hand allows you to have several different holds, up to 14. This allows the user to perform a much larger number of tasks. This large number of grips is achieved thanks to a thumb that can take 2 positions according to the user's needs: opposite and not opposite.

- The opposite is true when the thumb is in opposition with the fingers of the hand, which allows holds such as pinching for example.

- The non-opposed position corresponds to the moment when the thumb is parallel to the fingers of the hand, which allows holds such as pointing the finger.[5][7]

On the back of the hand, there is a button that will allow the holder of the prosthesis to choose the grip he wants. In fact, this button offers the possibility to choose between 2 programs, the primary and the secondary. Each of these 2 programs allows 2 different types of sockets. To switch from one to the other, the user must apply an OPEN OPEN signal, i.e. he must send a signal so that the hand opens completely, followed by a release and then again a signal allowing the complete opening.

In total with the 2 thumb positions, we get to 2*2*2=8 different takes, each with a specific name:

- Tripod: This is possible when the thumb is in the opposite position. We then have the index and middle fingers in contact with the thumb. For the other 2 remaining fingers, they continue to close until they reach the palm of the hand and therefore feel a resistance.  It is therefore a fairly common grip since it allows you to hold all kinds of everyday objects such as a fork or a pen.

- Pinch: This also happens when the thumb is in the opposite position, but it is necessary for the thumb to be manually repositioned by a technician so that only the index finger meets the thumb when the hand is closed. Indeed, the thumb is equipped with an adjustment device, which allows it to be repositioned according to the desired grips. The pivot is actually equipped with a screw that once slightly unscrewed allows a small movement of the thumb. Smaller objects, such as a coin, can then be handled.

Technology

The bionic hand is said to receive instructions from sensors that detect the movement of the muscles in the patient’s arm. These instructions are processed, which are then directed to the 337 mechanical parts, which are present within this bionic hand that eventually, mimic natural human movements.[8][9]

bebionic 2.0

In September 2011, the bebionic second-generation prosthetic hand was updated with improvements to speed, accuracy, grip and durability. The updated version also saw the bebionic hand available two sizes - medium and large.[10] The device was upgraded with new, higher capacity 2200mAh split cell internal batteries for increased usage time.

Patients

During 2008, Jonathan Metz, from West Hartford, Connecticut, got his arm wedged in his basement furnace. Trapped in his own basement for three days, he had no alternative to self-amputate his own arm. Since using the prosthetic hand, in 2010, his life has dramatically improved.[11]

In 2012, Kingston upon Hull man, Mike Swainger, was the first person to receive bionic hand on the NHS.[12]

In 2015, a 26-year old London-based woman, Nicky Ashwell who was born without a right hand received Bebionic's prosthetic hand.[9]

Margarita Gracheva, from the Moscow Serpukhov, had her hands cut off by her husband. After six months of rehabilitation, dozens of concerned viewers of the Program live with Andrey Malakhov of Russia 1 TV channel, helped to make it super-modern prosthesis Bebionic on YouTube.

Pop Culture

In the world of science fiction, the bebionic hand has been compared to the artificial hands of fictional characters such as The Terminator and Luke Skywalker from Star Wars.[13][14]

References

  1. "ORTHOPÄDIE International Trade Show". ORTHOPAEDIE + REHA-TECHNIK 2012. http://www.ot-leipzig.de/LeMMon/ort_web_eng.nsf/framessuchen?OpenPage&Query=bebionic. 
  2. "RSLSteeper launches bebionic fully articulating myo-electric hand". GizMag. http://www.gizmag.com/rslsteeper-bebionic-fully-articulating-myo-electric-hand/15501/. Retrieved 22 June 2010. 
  3. "Ottobock acquires BeBionic from Steeper" (in en). https://www.healio.com/orthotics-prosthetics/industry-news/news/online/%7Be973ffbd-3c94-4a48-a400-7481c7af32df%7D/ottobock-acquires-bebionic-from-steeper. Retrieved 2017-09-15. 
  4. "New Owners at Steeper Group". BeBionic. http://bebionic.com/latest_news/new_owners_at_steeper_group. Retrieved 2 February 2017. 
  5. 5.0 5.1 "bebionic" (in fr-FR). https://www.ottobock.fr/protheses/produits-a-z/membre-superieur/mains/bebionic.html. 
  6. RSL Steeper (2012). bebionic3 - technical information. RSL Steeper. 
  7. Belter (2013). "Mechanical design and performance specifications of anthropomorphic prosthetic hands: A review.". Journal of Rehabilitation Research & Development 50: 5. 
  8. "Bebionic myoelectric hand prosthesis - Today's Medical Developments" (in en). Today's Medical Developments. http://www.todaysmedicaldevelopments.com/article/micromo-faulhaber-prosthetic-medical-device-bebionic-3917/. 
  9. 9.0 9.1 "26-year-old woman receives world's most advanced bionic hand" (in en-US). http://inhabitat.com/26-year-old-woman-receives-worlds-most-advanced-natural-bionic-hand/. 
  10. "Bionic hand gets a grip on prosthetics market". The Telegraph. https://www.telegraph.co.uk/finance/newsbysector/pharmaceuticalsandchemicals/8816665/Bionic-hand-gets-a-grip-on-prosthetics-market.html. Retrieved 10 October 2011. 
  11. "NBC Connecticut, Self-Amputee Makes Amazing Strides With Prosthesis". NBC Connecticut. http://www.nbcconnecticut.com/news/local/Self-Amputee-Makes-Amazing-Strides-With-Prosthesis-101479284.html. Retrieved 19 December 2012. 
  12. "Mike Swainger: Amputee becomes first person to receive bionic hand on NHS". Published by the Telegraph. https://www.telegraph.co.uk/health/healthnews/9576029/Mike-Swainger-Amputee-becomes-first-person-to-receive-bionic-hand-on-NHS.html. Retrieved 29 September 2012. 
  13. "Father who lost arm in work accident has bionic ‘Terminator hand’ fitted so accurate he can even TYPE". Published by SWNS.com. http://swns.com/news/father-lost-arm-work-accident-bionic-terminator-hand-fitted-27120/. Retrieved 5 November 2012. 
  14. "Science Fiction, Fantasy, Horror News | SYFY WIRE". Dvice.com. http://www.dvice.com/archives/2012/11/luke_skywalkers.php. Retrieved 2019-09-07. 

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