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Keywords = prosthetic hand user perspective

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16 pages, 4487 KiB  
Article
Developing a Novel Prosthetic Hand with Wireless Wearable Sensor Technology Based on User Perspectives: A Pilot Study
by Yukiyo Shimizu, Takahiko Mori, Kenichi Yoshikawa, Daisuke Katane, Hiroyuki Torishima, Yuki Hara, Arito Yozu, Masashi Yamazaki, Yasushi Hada and Hirotaka Mutsuzaki
Sensors 2024, 24(9), 2765; https://doi.org/10.3390/s24092765 - 26 Apr 2024
Cited by 2 | Viewed by 4160
Abstract
Myoelectric hands are beneficial tools in the daily activities of people with upper-limb deficiencies. Because traditional myoelectric hands rely on detecting muscle activity in residual limbs, they are not suitable for individuals with short stumps or paralyzed limbs. Therefore, we developed a novel [...] Read more.
Myoelectric hands are beneficial tools in the daily activities of people with upper-limb deficiencies. Because traditional myoelectric hands rely on detecting muscle activity in residual limbs, they are not suitable for individuals with short stumps or paralyzed limbs. Therefore, we developed a novel electric prosthetic hand that functions without myoelectricity, utilizing wearable wireless sensor technology for control. As a preliminary evaluation, our prototype hand with wireless button sensors was compared with a conventional myoelectric hand (Ottobock). Ten healthy therapists were enrolled in this study. The hands were fixed to their forearms, myoelectric hand muscle activity sensors were attached to the wrist extensor and flexor muscles, and wireless button sensors for the prostheses were attached to each user’s trunk. Clinical evaluations were performed using the Simple Test for Evaluating Hand Function and the Action Research Arm Test. The fatigue degree was evaluated using the modified Borg scale before and after the tests. While no statistically significant differences were observed between the two hands across the tests, the change in the Borg scale was notably smaller for our prosthetic hand (p = 0.045). Compared with the Ottobock hand, the proposed hand prosthesis has potential for widespread applications in people with upper-limb deficiencies. Full article
(This article belongs to the Special Issue Challenges and Future Trends of Wearable Robotics2nd Edition)
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