Abstract

As the second most prevalent malignant tumor in the head and neck region in China, laryngeal cancer patients undergoing total laryngectomy face significant challenges in voice rehabilitation. The current traditional system suffers from three major dilemmas: uneven distribution of medical resources, poor training compliance, and delayed assessment. This study focuses on digital innovation pathways by developing a voice rehabilitation system based on serious games, aiming to overcome the inefficiency of rehabilitation through technological integration. This study employed product design and development methodologies: first, semi-structured interviews were conducted with seven typical patients, and the KJ method was applied to identify four core unmet needs — resource accessibility, training engagement, real-time assessment, and information interoperability. Subsequently, a tripartite design strategy integrating "gamified software + rehabilitation hardware terminal + management platform" was proposed and implemented, resulting in the completion of product and service prototypes. Additionally, a scale-based questionnaire survey was administered to 20 experts and users to validate the effectiveness of the service prototype. Empirical evaluation demonstrated an average score of 4.39/5 in the system functionality dimension, confirming its validity among experts and users. This study presents an innovative paradigm for speech rehabilitation in the digital healthcare era, not only improving the quality of life for 4.2 million laryngectomy patients but also providing a replicable design framework for the digital transformation of chronic disease rehabilitation.

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