Development of female hygienic urinal device using design for X

Che Manan, Adila Fazliana (2021) Development of female hygienic urinal device using design for X. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, there are various type of urinal devices for females available on market. However, not much of the urinal devices are specifically designed for bedridden users and Syariah compliance. Most of the bedridden patients utilize disposable diapers that have to be changed frequently due to limited usage which is costly and non-environmentally friendly. Hence, this research aims to develop a female hygienic urinal device using design for x methodology. Survey had been conducted at nursing home in Melaka to investigate the effect of disposable diapers and technical specification preference for develop proposed product. Furthermore, various design activities included market investigation, concept generation, concept selection, concept development, and optimization using design for x were carried out to develop four conceptual designs of proposed product. Digital logical method (DLM) and Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) were then implemented to decide the best conceptual design. Subsequently, the selected design was further optimized through Design Failure Mode and Effects Analysis (DFMEA) and Design for Environment (DFE) method. The options collected from survey conducted concluded that the proposed product should be easy to handle and environmentally friendly while the best design selected through TOPSIS was equipped with single spray washing system. Thus, users may reuse the urinal device without changing it frequently and create waste. Besides, analysis conducted shown that the Risk Priority Number (RPN) after implemented DFMEA was less than 100 and improved by 78%. Next, the DFE analysis had showed that the end of life of the proposed product after redesign was improved as indicated by bigger eco web design and 13% increment in eco indicator value. In conclusion, the proposed product performs better in term of environmental protection and functionality compared to existing product as it is reusable and equipped with self-cleaning system.

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