Improvement Strategies of Depression Rehabilitation Products Based on Kano/QFD and Double Helix Structure Model

HUANG Zijie; HUANG Xuefei; ZHANG Zhipeng

doi:10.19554/j.cnki.1001-3563.2026.16.009

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (16) : 92-104. DOI: 10.19554/j.cnki.1001-3563.2026.16.009

Industrial Design

Improvement Strategies of Depression Rehabilitation Products Based on Kano/QFD and Double Helix Structure Model

HUANG Zijie¹, HUANG Xuefei¹, ZHANG Zhipeng²

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Abstract

Addressing issues of poor user experience, weak emotional response, and low compliance in existing depression rehabilitation devices due to fragmented functions and impersonal interactions, the work aims to explore a product improvement design strategy led by industrial design and integrating clinical effectiveness and emotional care, to facilitate the development of rehabilitation systems more aligned with users' psychological and behavioral characteristics and enhance patient acceptance of such products. The Kano model and QFD method were employed to establish a systematic toolchain from multidimensional psychological needs identification to design parameter translation. Conflict resolution algorithms and the "double helix structure model" were introduced, creating dynamic coupling between the user demand chain and the technical implementation chain, and establishing an"emotion perception-technical response-dynamic adjustment" closed loop, enabling product solutions to adapt iteratively according to users' state changes. Through surveys of diagnosed users, family physicians, and operation personnel, key requirements such as ease of use, privacy protection, and emotional feedback were identified. A QFD weight matrix and function priority ranking were constructed, and the strategy system was validated at the micro-interaction level with the Apple Watch App redesign as an example. The study demonstrates that the "Kano-QFD-double helix" improvement design strategy is reasonable and transferable, providing support for the design of depression rehabilitation devices, wearable products, and affective interaction systems, offering a new feasible path for "user emotion-centered" product innovation.

Key words

depression rehabilitation products / Kano-QFD model / double helix structure model / improved design

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HUANG Zijie, HUANG Xuefei, ZHANG Zhipeng. Improvement Strategies of Depression Rehabilitation Products Based on Kano/QFD and Double Helix Structure Model[J]. Packaging Engineering. 2026, 47(16): 92-104 https://doi.org/10.19554/j.cnki.1001-3563.2026.16.009

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