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A novel high-technology device for active positive, negative, and alternating pressure modulation of the vocal tract
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Resumo(s)
Voice therapy has established itself as a low-cost, minimally invasive, and clinically effective approach to vocal disorders, with a growing body of scientific literature supporting its application across hypofunctional and hyperfunctional conditions alike. Despite significant advances in vocal assessment technology, therapeutic devices capable of actively and controllably modifying the aerodynamic environment of the vocal tract remain absent from clinical practice. Existing tools are passive in nature, offering no active or real-time modulation capacity.
This workshop introduces a novel high-technology device capable of delivering controlled active positive, negative, and alternating pressure to the vocal tract and airway during phonation and respiration — a concept for which no comparable technology has been identified in existing patent databases or the scientific literature prior to the provisional patent application filing.
The device is designed to create dynamically adjustable aerodynamic conditions that can either challenge or facilitate vocal fold vibration and respiratory effort according to clinical objectives, with potential indications spanning both hypofunctional and hyperfunctional vocal disorders, as well as respiratory muscle training. Beyond vocal and respiratory applications, the device also holds potential as a multifunctional platform for autonomic nervous system regulation through controlled respiratory loading.
This session will present the conceptual framework of the device and demonstrate the working prototype. Its hypothesized physiological and acoustic effects will be discussed, and participants will be invited to contribute to interdisciplinary dialogue on clinical applications, research directions, and methodological challenges at the intersection of vocology, speech-language pathology, respiratory training, and biomedical engineering.