Abstract

In this study, we explore and improve a dynamic-type air cushion system's time pattern in inflation and deflation to achieve an optimal effect of pressure ulcer prevention and treatment. Via analysis and experiments, we found that a two-phase air cushion's optimal, or best, time pattern, which provides its users the most comfort, has an identical inflation and deflation time for the individual phases with their operation durations complementing each other, and the time pattern with the individual phases' inflation time being overlapped with each other ranks second in usage comfort. The time pattern with the two phases' deflation durations being overlapped with each other ranks the lowest in usage comfort.

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