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Bio-Design and Manufacturing  2022 Vol.5 No.4 P.786-807

http://doi.org/10.1007/s42242-022-00199-y


4D printing of soft orthoses for tremor suppression


Author(s):  Moslem Mohammadi, Ali Zolfagharian, Mahdi Bodaghi, Yong Xiang & Abbas Z. Kouzani

Affiliation(s):  School of Engineering, Deakin University, Geelong, VIC 3216, Australia; more

Corresponding email(s):   a.zolfagharian@deakin.edu.au

Key Words:  Tremor suppression, Parkinson’s disease, Essential tremor, Additive manufacturing, 4D printing


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Moslem Mohammadi, Ali Zolfagharian, Mahdi Bodaghi, Yong Xiang & Abbas Z. Kouzani. 4D printing of soft orthoses for tremor suppression[J]. Journal of Zhejiang University Science D, 2022, 5(4): 786-807.

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Abstract: 
Tremor is an involuntary and oscillatory movement disorder that makes daily activities difficult for affected patients. Hand tremor-suppression orthoses are noninvasive, wearable devices designed to mitigate tremors. Various studies have shown that these devices are effective, economical, and safe; however, they have drawbacks such as large weight, awkward shape, and rigid parts. This study investigates different types of tremor-suppression orthoses and discusses their efficiency, mechanism, benefits, and disadvantages. First, various orthoses (with passive, semi-active, and active mechanisms) are described in detail. Next, we look at how additive manufacturing (AM) has progressed recently in making sensors and actuators for application in tremor orthoses. Then, the materials used in AM are further analyzed. It is found that traditional manufacturing problems can be solved with the help of AM techniques, like making orthoses that are affordable, lighter, and more customizable. Another concept being discussed is using smart materials and AM methods, such as four-dimensional (4D) printing, to make orthoses that are more comfortable and efficient.

迪肯大学Ali Zolfagharian等 | 4D打印柔性手部除颤器

本综述论文回顾了手部除颤器的各种形式,并展望了4D打印在其中的发展趋势。震颤是一种不自主和振荡的运动障碍,使受影响的患者难以进行日常活动。手部震颤抑制矫形器是无创的可穿戴设备,旨在减轻震颤。各种研究表明,这些设备是有效、经济和安全的;但是,它们具有诸如重量大、形状笨拙和刚性部件等缺点。本研究调研了不同类型的震颤抑制矫形器,并讨论了它们的效率、机制和优缺点。首先,详细描述了各种矫形器(具有被动、半主动和主动机制)。接下来,作者介绍了增材制造(AM)最近在制造用于震颤矫形器的传感器和执行器方面取得的进展,并进一步分析增材制造技术中使用的材料。研究发现,传统的制造问题可以借助AM技术解决,例如使矫形器价格合理,更轻,更便于定制。正被广泛讨论的另一个概念是使用智能材料和AM方法,例如4D打印,以使矫形器更加舒适和高效。

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