Ten guidelines for the design of non-assembly mechanisms: The case of 3D-printed prosthetic hands.
Ten guidelines for the design of non-assembly mechanisms: The case of 3D-printed prosthetic hands.
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DOI：
10.1177/0954411918794734
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发表时间：
2018-09
期刊：
影响因子：
--
通讯作者：
Breedveld P
中科院分区：
文献类型：
--
作者：
Cuellar JS;Smit G;Zadpoor AA;Breedveld P
在发展中国家，假肢作坊数量有限，难以到达，甚至根本不存在。特别是，主动、多关节和个性化手部假肢装置的制造通常被认为是一个耗时且要求较高的过程。通过熔融沉积建模技术制造并在 3D 打印过程结束后立即完全组装的主动假肢手将通过减少或绕过当前的制造和后处理步骤来提高假肢装置的可访问性。在这项研究中，开发了一种生产主动手假肢的方法，该假肢可以通过熔融沉积建模技术完全组装而成。通过介绍非组装 3D 打印的成功案例，本文定义了实现功能齐全的非组装设备应遵循的设计注意事项列表。提出了非组装机构增材制造的十个设计考虑因素，并成功解决了一个设计案例，从而产生了功能齐全的假手。手部假肢可以使用廉价的熔融沉积建模机进行 3D 打印，并且能够执行不同类型的抓握。开始捏握所需的启动力、闭合所需的能量以及总质量均明显低于身体驱动的商业假手。结果表明，这种非组装设计对于发展中国家的截肢者来说可能是一个很好的替代方案。
In developing countries, prosthetic workshops are limited, difficult to reach, or even non-existent. Especially, fabrication of active, multi-articulated, and personalized hand prosthetic devices is often seen as a time-consuming and demanding process. An active prosthetic hand made through the fused deposition modelling technology and fully assembled right after the end of the 3D printing process will increase accessibility of prosthetic devices by reducing or bypassing the current manufacturing and post-processing steps. In this study, an approach for producing active hand prosthesis that could be fabricated fully assembled by fused deposition modelling technology is developed. By presenting a successful case of non-assembly 3D printing, this article defines a list of design considerations that should be followed in order to achieve fully functional non-assembly devices. Ten design considerations for additive manufacturing of non-assembly mechanisms have been proposed and a design case has been successfully addressed resulting in a fully functional prosthetic hand. The hand prosthesis can be 3D printed with an inexpensive fused deposition modelling machine and is capable of performing different types of grasping. The activation force required to start a pinch grasp, the energy required for closing, and the overall mass are significantly lower than body-powered commercial prosthetic hands. The results suggest that this non-assembly design may be a good alternative for amputees in developing countries.
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影响因子：
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