초록

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Abstract ▼ AI-Helper

The pressure of skin is one of the most important factors that cause human bedsore. Bedsore is a pressure-induced ulceration of the skin occurring in persons confined to bed for a long time. So reduction of pressure over bony prominences is the most important method to prevent and cure bedsore. In o...

The pressure of skin is one of the most important factors that cause human bedsore. Bedsore is a pressure-induced ulceration of the skin occurring in persons confined to bed for a long time. So reduction of pressure over bony prominences is the most important method to prevent and cure bedsore. In order to prevent human bedsore, many kinds of mattresses have been developed over a long period of time. These days, the air-cell type is the most typical mattress. Therefore, the air-cell alternating mattress to prevent bedsore was selected for this study in order to evaluate and improve its design from the user"s aspect. Design and functional suitability were evaluated by ergonomic evaluation including expert review and body pressure evaluation using a pressure mat. Moreover, usability of the mattress controller was evaluated by expert evaluation and usability testing. Some usability problems were identified through usability evaluation. Then, the mattress controller was redesigned solving those problems. The new controller design was evaluated in comparison with the existing controller by eye tracking system.

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