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Category: Upper Extremity Amputation

DEKA Arm System

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The DEKA Arm System, or the LUKE arm is an advanced prosthetic arm that has up to 10 powered degrees of freedom including a powered shoulder, humeral rotator, and multi-movement wrist. The arm offers state-of-the-art flexibility, strength, and dexterity to provide greater independence for people with forearm through shoulder-level amputations. The LUKE arm incorporates the latest technology in electronics, motors, batteries, and materials. It is a less-than-eight-pound prosthetic, advanced robotic prosthesis with near-natural control designed to improve quality of life for amputees.

The LUKE arm is a modular prosthetic arm that is configurable for different levels of amputation including transradial, transhumeral, and shoulder disarticulation. In its maximum configuration, it has 10 powered degrees of freedom including a powered shoulder, humeral rotator, and wrist flexor with ulnar/radial deviation. Multiple powered degrees of freedom can be moved at the same time. The hand has many preprogrammed grips using four individually controlled degrees of freedom. The hand also includes a sensor that provides grip force feedback. The LUKE arm provides resistance against light rain and fine dust, allowing wearers peace of mind when using the arm outside the home.

The LUKE arm has a very flexible control system that allows the arm to be controlled by a variety of input devices.  Familiar input devices may be used such as surface EMG electrodes and pressure switches.  In addition, the LUKE arm may be controlled by intuitive wireless IMUs (inertial measurement units) that are typically worn on top of the shoes.  The clinical team and the client work together to develop the input configuration that best meets the client's needs.

The LUKE arm was developed by DEKA as part of the Defense Advanced Research Projects Agency’s (DARPA) Revolutionizing Prosthetics program with additional funding from the U.S. Army Medical Research and Materiel Command through a contract with the Army Research Office.

Technical Specifications: 


  • Radial 1.4 kilograms.
  • Humeral 3.4 kilograms.
  • Shoulder 4.7 kilograms.

Voltage: 14.8 volts (nominal).


  • Li-ion rechargeable battery.
  • Up to 5000 mAh (Radial).
  • Up to 7000 mAh (Humeral and Shoulder).

Operating Temperature: -10 degrees Celsius to 50 degrees Celsius​ (14 degrees Fahrenheit to 122 degrees Fahrenheit).


Price Check
as of: 
DEKA Arm System

Made By:

Dean Kamen
Dean Kamen Organization Type: 
Dean Kamen is founder of FIRST (1989( and DEKA Research & Development (1982). Kamen is best known for inventing the product that eventually became known as the Segway PT. Kamen invented the first drug infusion pump and started the company AutoSyringe. His company DEKA also holds patents for the technology used in portable dialysis machines, an insulin pump (based on the drug infusion pump technology), and an all-terrain electricwheelchair known as the iBOT. Kamen has worked extensively on a project involving Stirling engine designs, attempting to create two machines; one that would generate power, and the Slingshot that would serve as a water purification system. He hopes the project will help improve living standards in developing countries. Kamen has a patent issued on his water purifier, U.S. Patent 7,340,879, and other patents pending. In 2014, the film SlingShot was released, detailing Kamen's quest to use his vapor compression distiller to fix the world's water crisis.   Kamen is also the co-inventor of a compressed air device that would launch a human into the air in order to quickly launch SWAT teams or other emergency workers to the roofs of tall, inaccessible buildings. In 2009 Kamen claimed his company DEKA was now working on solar power inventions. Kamen and DEKA also developed the DEKA Arm System or "Luke". In 1989, Kamen founded FIRST (For Inspiration and Recognition of Science and Technology). In 2011, it held 55 regional competitions around the globe, and one international competition in St. Louis, Missouri. He has also won many awards for his many inventions.
Bedford , NH United States
Email address: contactDEKA@dekaresearch.com
New Hampshire US
Web Address: 

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