the deka arm michael heath. problem being solved loss of upper limbs in war paralysis gives use to...
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THE DEKA ARMMICHAEL HEATH
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PROBLEM BEING SOLVED
• Loss of upper limbs in war
• Paralysis
• Gives use to arm, isn’t just a “fake” arm
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HISTORY OF PROSTHETIC ARMS
• First prosthetic arms thought to be used 1,000 years ago
• Movable joints with control used in early 1800s
• US government agency for advancing prostheses formed in 1945 after WWII
• Largely unchanged since then
• The standard of care today is a body-powered “hook”
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CURRENT STATE
• The DEKA or “Luke” arm- Gen 1, 2, and 3
- 3 types: RC, HC, and SC
- 12 Dimensions of motion and counting
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GEN 1 (GENERATION 1)
• Project started at DEKA in 2006
• Simultaneous control of multiple powered degrees of freedom
• Advanced grasp control
• Touch feedback
• Strength, range of motion, and speed to perform daily activities
• Tolerance to outdoor environments
• Advanced control
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THE “LUKE” GEN 2
• Refinements made to Gen 1 prototype
• Designed for clinical study platform
• Able to support up to 3 different amputations levels (RC, HC, SC)
• Extensive testing by subjects helped to give feedback to support GEN 3
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3 CONFIGURATIONS
• Radial
• Humeral
• Shoulder
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THE “LUKE” GEN 3
• 10 degrees of freedom
- 5 brushless and 5 brushed DC motors
• 6 pre-programmed hand grips
• Rechargeable Li-Ion battery
• Multiple user input devices available ( foot sensors)
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LIMITATIONS
• Price: cold start at over $100,000 apiece
• Short life span
• No “one size fits all”
• Small market
• Not fully waterproof
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FUTURE DIRECTION
• New DEKA arm in testing/developing stages
• Clinical trials performed
• Completely controlled by thought
• Electrodes implanted into brain
• Arm is “trained”
• Jan Scheuermann (right)
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REFERENCES
• Deka's Luke Arm In Clinical Trials, Is it the Future of Prosthetics? (Video). (2009, January 1). Retrieved September 27, 2014.
• Doyon, T. (2012, October 1). Bio-Robotics: The DEKA Luke Prosthetic Arm. Retrieved September 30, 2014.
• Griggs, B. (2014, May 1). FDA approves 'Star Wars' bionic arm. Retrieved September 26, 2014, from http://www.cnn.com/2014/05/12/tech/innovation/deka-bionic-arm-kamen/
• Guizzo, E. (2014, January 1). Dean Kamen's "Luke Arm" Prosthesis Receives FDA Approval. Retrieved September 26, 2014.
• Hruska, J. (n.d.). FDA approves the Deka arm, the first commercial mind-controlled prosthetic arm.
• Norton, K. (2007, November 1). A Brief History of Prosthetics. Retrieved September 30, 2014.
• Otto. (2013, February 1). Oandp.com. Retrieved September 26, 2014.
• Resnik. (2013). The DEKA Arm: Its features, functionality, and evolution during the Veterans Affairs Study to optimize the DEKA Arm. Prosthetics and Orthotics International.
• Statistics on hand and arm loss. (2014, February 4). Retrieved September 26, 2014.