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Developing a human factors engineering process for medical device design: methodological considerations
2003 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis deals with the further development of the Human Factors Approach and introduces structural and methodological improvements in the approach. The design methodology presented in the thesis was named the Human Factor Engineering Process and was a synthesis of the Human Factors Approach, the IEC 60601-1-6 standard and the Reverse Engineering and Redesign Methodology. The process was structured and was aimed to be easy to follow, even for an inexperienced engineer. The process is divided into six phases: start up, data acquisition, data processing, design, validation and deployment. The foundation of the methodology consisted of the application of the Design Structure Matrix which facilitated the planning of the work, Hierarchical Task Analysis which helped to map the functions and operations of the device, Enhanced Cognitive Walkthrough which revealed many of the usability problems with the user interface and the usability aim which focused the work to fit the user interface to the intended users. The Human Factors Engineering Process was applied on the redesign of the user interface of the volumetric infusion pump IVAC 591. The IVAC 591 volumetric infusion pump is manufactured by ALARIS Medical Systems, USA. The volumetric infusion pump is a medical device used for infusion of drugs and nutrition and is built with relatively simple medical technology. The redesign is a continuation of a former redesign of the user interface of the IVAC 591. Usability tests with IVAC 591 and the redesign by Liljegren showed that several design dependent usability errors remained with the redesign by Liljegren. The design concepts generated from the process were further validated by usability tests. The results from the Human Factor Engineering Process and the Human Factors Approach were compared. The conclusion was that the concepts generated from the Human Factor Engineering Process had fewer usability related problems.

Place, publisher, year, edition, pages
2003.
Keyword [en]
Technology, Human Factors Approach, HFA, user interface design, medical, device design, Hierachical Task analysis, HTA, Hierarchical, Task Analysis with interaction, Cognitive Walkthrough, CV, Enhanced Cognitive Walkthrough, Usability test, userfriendliness, usability, ergonomic design
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-52460ISRN: LTU-EX--03/265--SELocal ID: 9967573a-ea63-45e6-bcc4-b1d7154c0cddOAI: oai:DiVA.org:ltu-52460DiVA: diva2:1025830
Subject / course
Student thesis, at least 30 credits
Educational program
Ergonomic Design & Production Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf