期刊
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
卷 22, 期 1, 页码 138-148出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNSRE.2013.2282416
关键词
Bionic feet; compliant actuation; prosthetics; transfemoral; transtibial
资金
- European Commissions 7th Framework Program as part of the project Cyberlegs [287894]
Transtibial (TT) amputations, or below-knee amputations, are among the most frequently performed major limb removals. To replace the missing limb, numerous prosthetic devices were developed. A study of the state-of-the-art in TT prostheses shows that none of the commercially available devices are capable of mimicking an able-bodied ankle-foot complex. Still on a research level, some powered prosthetic devices have the potential to improve amputee walking experience, but still need heavy and bulky actuators to provide the necessary power of propulsion. With the AMP-Foot 2.0, the authors propose a new concept for an energy efficient, powered transtibial prosthesis. Its design enables the use of a low power actuator which stores energy in springs during the complete stance phase that can be released at push-off. Thanks to this, the size and weight of the actuator can be decreased considerably while the ankle still provides the full power necessary for forward propulsion. A prototype of the AMP-Foot 2.0 has been built and experiments with a transfemural amputee were conducted. The captured data is presented and analyzed throughout this paper.
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