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Experimental prosthetic arms in labs across the country will soon pave the way for commercial versions to antiquate the last major upgrade that took place almost a hundred years ago. That was the cable-operated prosthetic hook (for above-the-elbow amputees).
Thanks to the Defense Advanced Research Projects Agency’s (DARPA) $80 million program, Revolutionizing Prosthetics 2009 (RP2009), nationwide research is underway to develop a fully functional (motor and sensory) upper limb that responds to direct neural control.
Physicians at the Rehabilitation Institute of Chicago (RIC) developed an intuitive way for amputee patients to control a robotic arm by surgically rearranging the nerves that normally connect to the lost limb. This allows patients to control prosthetic arms simply by thinking about it. While the technique, targeted muscle reinnervation (TMR), was first demonstrated in 2007, they reported successful tests among several patients this month.
“This neural interface, used in combination with DARPA’s new sophisticated prosthetics, is creating better patient independence and supporting RIC’s vision to advance human ability,” said Todd Kuiken, MD, PhD, director of the RIC Center for Bionic Medicine.
A study released by the Journal of the American Medical Association found that TMR can produce sufficient electromyogram (EMG) information for real-time control of advanced artificial arms.
Technology Review supplies additional coverage, including a video showing three patients performing complex tasks, such as picking up a cup and grasping a cracker without breaking it.
Chicago isn’t the only hot spot for next gen prostheses. The DARPA program has been testing control technologies on volunteers at OrthoCare, in Oklahoma City and at the Johns Hopkins University Applied Physics Laboratory (APL), in Laurel, Md. According to a feature in IEEE Spectrum, last year, a Canadian hospital borrowed some of DARPA’s technology and made ‘huge improvements’ in commercially available prosthetic devices.
Beth Haller, Ph.D., is Co-Director of the Global Alliance for Disability in Media and Entertainment (www.gadim.org). A former print journalist, she is a member of the Advisory Board for the National Center on Disability and Journalism (https://ncdj.org/). Haller is Professor Emerita in the Department of Mass Communication at Towson University in Maryland, USA. Haller is co-editor of the 2020 "Routledge Companion to Disability and Media" (with Gerard Goggin of University of Sydney & Katie Ellis of Curtin University, Australia). She is author of "Representing Disability in an Ableist World: Essays on Mass Media" (Advocado Press, 2010) and the author/editor of Byline of Hope: Collected Newspaper and Magazine Writing of Helen Keller (Advocado Press, 2015). She has been researching disability representation in mass media for 30+ years. She is adjunct faculty in the Disability Studies programs at the City University of New York (CUNY) and the University of Texas-Arlington.
From the zdnet.com Emerging Tech blog by Chris Jablonski:
