Product design and analysis of bio-inspired 3D printed wrist splint for rehabilitation

Padzil, Nur Wardah Sufina (2022) Product design and analysis of bio-inspired 3D printed wrist splint for rehabilitation. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

A wrist splint is a rehabilitation device to keep the wounded portion of the hand in place and protect it from additional harm. For the past few decades, a plethora of splints have been developed for maximum wrist immobility to treat fractured bones around the wrist and thumb for rehabilitation, as well as to function as versatile tools to help the movement of damaged parts with some assistance. However, the use of conventional immobilization splints can cause a lot of mishaps and discomfort to the patients which contribute to poor aesthetics, fit, and performance. To overcome this, the use of additive manufacturing (AM) offers many benefits including functional, ergonomic, user-fit, and aesthetic improvements which collectively can contribute to an improved emotional response to a developed and fabricated personalized splint. By exploring AM technology, a highly complex geometrical wrist splint embedded of bio-inspired design can be designed and analyzed with the combination of 3D Computer-Aided Design (CAD) software, Meshmixer, and Solidworks. Finite Element Analysis (FEA) is used to simulate the behavior part of a part under a given condition. This is important to predict failure of the splint structure or material under an unknown condition.

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