Risk-Based Selection of GUI Elements for different Input Devices

Abstract: Following the U.S. Food and Drug Administration and the EU Medical Device Regulation, manufacturers must design graphical user interfaces (GUI) with appropriate controls that meet risk and usability requirements, including safety, efficiency, effectivity, learnability and satisfaction. To meet these, we collected and categorized commonly used GUI elements and analyzed those based on criteria related to criticality, such as visibility of options or selections, number of options, accuracy, and control speed. We created tabular overviews to display each GUI element's characteristics, enabling the GUI designer to choose risk-, task- and usability-based the most suitable GUI element. These tabular overviews could increase efficiency during early development phases and help avoid common mistakes. While this work has the potential to support choosing appropriate GUI elements, reduce risks and improve usability, its practicality and effectiveness still need to be verified in further work.

Keywords: user Interface, UI, GUI, risk management, clinical workflow, operating room, interoperability

DOI: 10.54941/ahfe1004275

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