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Usability Evaluation of Augmented Reality: A Neuro-Information-Systems Study
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Usability standards meet scenario-based design: challenges and opportunities.

Christopher J Vincent1, Ann Blandford1

  • 1UCLIC, University College London, Malet Place Engineering Building 8th floor, Malet Place, London WC1E 7JE, United Kingdom.

Journal of Biomedical Informatics
|December 3, 2014
PubMed
Summary

Developing realistic use scenarios for medical devices like infusion pumps presents challenges and opportunities. This research explores "real use" scenarios to improve device design, marketing, and training.

Keywords:
Medical device designMultidisciplinary communicationSoftware designUser-Computer interface

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Area of Science:

  • Medical device usability engineering
  • Human-computer interaction in healthcare

Background:

  • Scenarios are crucial for medical device usability engineering (IEC 62366:2007) and health software development.
  • The standard focuses on mitigating risk during "normal use," but "real use" in practice may differ.

Purpose of the Study:

  • To explore challenges and opportunities in developing "real use" scenarios for interactive medical devices.
  • To inform the design of infusion pumps using empirically grounded "real use" scenarios.
  • To assess the utility of scenarios across the product lifecycle.

Main Methods:

  • Overview of the product lifecycle's impact on scenario development.
  • Development and testing of "real use" scenarios for infusion pumps.
  • Validation by clinical researchers, practitioners, and developers.

Main Results:

  • Identified challenges: integrating scenario design with usability practice, covering diverse device uses, and managing conflicting evidence.
  • Highlighted opportunities: using scenarios for marketing, purchasing decisions, and staff training.
  • Demonstrated an empirically grounded approach to bridging practice and design.

Conclusions:

  • "Real use" scenarios offer valuable insights beyond initial design, impacting various product lifecycle stages.
  • Effective scenario development requires addressing practical challenges and leveraging identified opportunities.
  • This study provides a framework for communicating and negotiating clinical realities in medical device development.