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Ünal, R. and Behrens, S.M. and Carloni, R. and Hekman, E.E.G. and Stramigioli, S. and Koopman, H.F.J.M. (2010) Prototype design and realization of an innovative energy efficient transfemoral prosthesis. In: Proceedings of the 3rd IEEE RAS and EMBS International Conference on Biomedical Robotics and Biomechatronics, BioRob 2010, 26-29 Sept. 2010, Tokyo, Japan. pp. 191-196. IEEE Robotics and Automation Society and IEEE Engineering in Medicine and Biology Society. ISSN 2155-1774 ISBN 978-1-4244-7708-1
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Official URL: http://dx.doi.org/10.1109/BIOROB.2010.5626778
In this paper, we present the prototype realization of the conceptual design of a fully-passive transfemoral prosthesis. The working principle has been inspired by the power flow in human gait so to achieve an energy efficient device. The main goal of this paper is to validate the concept by implementing in a real prototype. The prototype, in scale 1 ∶ 2 with respect to the average dimensions of an adult human, is based on two storage elements, which are responsible for the energetic coupling between the knee and ankle joints during the swing phase and for the energy storage during the stance phase. The design parameters of the prototype are determined according to the human body and the energetic characteristics of the gait. The construction of the prototype is explained in details together with a test setup that has been built to evaluate the prototype.
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