Abstract
The goal of this study is to identify ways to increase the usability of a mobile dialysis device through semi-structured interviews during the early stage of product development. We analyzed interview data using a mixed method of rank order and open-ended questions. The results from the open-ended questions showed that patients and care partners prefer the device being carried on patients’ backs, followed by the waist and the shoulder. We also identified 13 key categories of ideal features that the mobile dialysis device must hold. The results from the rank order question showed that the participants significantly preferred the Vest over the Backpack, Shoulder bag, and Distributed model. Accuracy of the device is more important compared to Safety, Ease of attachment, Comfort, Size, Operational simplicity, and Invisibility. The prioritized needs from patients and care partners provide designers and clinicians with better target solutions for designing a mobile dialysis device.
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