4.6 Review

4D printing of soft orthoses for tremor suppression

Journal

BIO-DESIGN AND MANUFACTURING
Volume 5, Issue 4, Pages 786-807

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s42242-022-00199-y

Keywords

Tremor suppression; Parkinson's disease; Essential tremor; Additive manufacturing; 4D printing

Funding

  1. Faculty of Science, Engineering and Built Environment, Deakin University [253101]

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This study investigates different types of tremor-suppression orthoses, discusses their efficiency, mechanism, benefits, and disadvantages. Traditional manufacturing problems can be solved with the help of additive manufacturing (AM) techniques, making orthoses that are lighter, more affordable, and customizable. Additionally, using smart materials and AM methods can produce more comfortable and efficient orthoses.
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. [GRAPHICS] .

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