MyKnee:新型动力可变刚度假膝的机电一体化设计

IF 3.4 Q2 ENGINEERING, BIOMEDICAL IEEE transactions on medical robotics and bionics Pub Date : 2024-03-30 DOI:10.1109/TMRB.2024.3407194
Gregorio Tagliabue;Vishal Raveendranathan;Amedeo Gariboldi;Lennard Y. Hut;Andrea Zucchelli;Raffaella Carloni
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引用次数: 0

摘要

动力假肢有可能大大提高下肢截肢者的活动能力、独立性和整体生活质量。遗憾的是,与被动或半主动假肢相比,动力假肢存在重量大、电池寿命有限等问题,而被动或半主动假肢则缺乏复杂的运动能力。在本文中,我们介绍了一种创新设计和开发的动力假体膝关节,它由一个紧凑的可变刚度致动器驱动。这种创新且前景广阔的技术能够适应不同的日常生活活动,同时还能确保能源效率并保持轻质设计。这种新型动力膝关节的主要特点在于采用了一种机制,可通过新设计的非线性弹性元件来改变关节的刚度。通过在设计过程中应用先进的有限元分析,实现了一种坚固耐用的装置,可轻松符合 ISO 10328.2016 结构完整性标准。因此,该膝关节适用于未来对膝部以上截肢者进行临床试验。
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MyKnee: Mechatronic Design of a Novel Powered Variable Stiffness Prosthetic Knee
Powered prosthetic legs have the potential of significantly enhancing the mobility, independence, and overall quality of life of individuals with lower-limb amputation. Unfortunately, powered prosthesis are followed by the issue of their weight and limited battery life when compared to passive or semi-active prosthesis, which, conversely, lack of complex movement capabilities. In this paper, we present an innovative design and the development of a powered prosthetic knee joint, which is actuated by means of a compact variable stiffness actuator. This innovative and promising technology can provide adaptability to different activities of daily living, while also ensuring energy efficiency and maintaining a lightweight design. The key feature of this novel powered knee joint lies in the use of a mechanism that can vary the stiffness of the joint through newly designed non-linear elastic elements. By applying advanced finite element analysis in the design process, a robust device has been realized that could readily comply with the ISO 10328.2016 standard for structural integrity. This made the knee joint suitable for future clinical trials with people with above-knee amputation.
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Table of Contents IEEE Transactions on Medical Robotics and Bionics Society Information Guest Editorial Special section on the Hamlyn Symposium 2023—Immersive Tech: The Future of Medicine IEEE Transactions on Medical Robotics and Bionics Publication Information IEEE Transactions on Medical Robotics and Bionics Information for Authors
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