| Video laryngoscopy is a medical equipment that is used to obtain a view of the vocal folds and the glottis. At present, the modelling of video laryngoscope in China not only lack of aesthetics, but also be difficult to meet the user’s needs and emotional needs. Therefore, how to improve the sense of quality and worth of the medical products, and how to improve the competitiveness of their products, should be the focus of research in the design of medical product.Based on the research of ergonomics and users demand, the new modelling of laryngoscope is designed by five steps. Firstly, the function and structure of the video laryngoscope are studied, and the market is analyzed in order to find out the market demand. Secondly, the way the users operate and usage scenarios are discussed to seek operational needs and emotional needs of users through a series of research methods. After determining the audit objectives, ergonomic knowledge and related methods are applied to study HMI elements of video laryngoscope, obtaining the dimension of the product. Based on previous research, the modelling design of the video laryngoscope are created by hand-painted and three-dimensional modeling. Finally, benefiting from foreign good form evaluation system, the medical laryngoscope design evaluation criteria are established to evaluate the modelling of new video laryngoscope. In conclusion, the results show that the modelling of new video laryngoscope is promoted in comfort, aesthetics and convenience compared with the existing video laryngoscope. Moreover, the study of ergonomics theory, applied to the video laryngoscope design, provides a solid theoretical foundation and methodologies. |
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