Design optimization and fabricate of hand free leg brace to improve conventional crutches

Jaafar, Muhd Solehuddin (2019) Design optimization and fabricate of hand free leg brace to improve conventional crutches. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Crutches is a device or assist tools that help disabilities people or lower leg injury that tranfer their weight from leg to the crutches depend on their device and types of crutches. Crutches was been used almost over 500 years ago and the design and revolusion has been change but the function it still same. Based on history crutches are created since Civil War at 1861-1865 and the first person that created the crutches is Emile Shlick at 1917. There are have several types of crutches such as auxillary crutches, forearm crutches, knee crutches and more than that. Basically conventional crutches are very familiar because of it simple design and the lower cost of production. But conventional crutches not enough satisfy the patients espicially on their comfortable and the side effect when long term used. So there are almost over 100 study about to improve the conventional study and most of the study focus on comfortable and to reduce side effect of conventional crutches. Sometimes, most of injury can be more serious cause of wrong step or ways using the crutches and used it for long term. So in this project is one alternative that to improve the conventional crutches to more comfortable and reliable. Beside that, on this project will introduce a new technology that crutches able to support the patient without using both of their hands. This project has been fabricate of the hand free crutches that helps the patients more relax and restful by using hand free crutches of reduce their amount of pain. More than that, the benefit of hand free crutches is to allow the leg free to bend at their knee during walking and also allowing the patients to exercise the muscle even their in disabilities. In the production of one item, it need to consider a several factor such as cost and safety of factor to avoid error in design and fabricate. Then, for succesfully of this project, analytic test or optimization need to obtain where the design should capable working with the predetermined parameter bu using Solid Work engineering software. The purpose of optimization is to increase performance, material saving, strength, and increase safety of factor of the design before fabricate the product. In this project also covers the process for the high quality of production, competitive and able to work under state parameter.

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