How to Implement a High-Fidelity Prototyping Approach in a Cardiac Surgery Device?

Heuristic Inspection, Task Analysis and Usability Testing for Improving an Aortic Valve Resection and Implantation Device Design
  • René Patesson
  • Eric Brangier
  • Xavier Bollen
  • Mathias Tummers
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 824)


Increasingly often, the surgeon operates remotely. More and more, he/she does neither see nor touch the patient directly but acts with miniaturized systems, such as catheters and robotic instruments. This reduces intervention time and accelerates the patient’s recovery. This paper reports the ergonomic contribution to the design of a device for the resection of stenosed aortic valves and the implantation of a new aortic bioprosthesis. In high-risk contexts as in cardiac surgery, high fidelity prototypes are necessary to allow clinical trials. An association between engineers and ergonomists becomes essential, because the prototype becomes a key stage of the design process. We suggest a triangulation of methods (heuristic inspection, task analysis and usability testing) to produce a high-fidelity prototype reliable for clinical trials. The clinical trials themselves then constitute a preliminary step for further improving the device.


High-fidelity prototype Ergonomics Medical device mechanical design 



This research project is funded by BioWin, the Health Cluster of Wallonia (Belgium). The AVATAR2 project’s goal is to develop, design and tune a medical device that will allow to resect a stenosed aortic valve very securely and quickly as such to prepare the aortic annulus for implantation of the new artificial valve.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • René Patesson
    • 1
  • Eric Brangier
    • 2
  • Xavier Bollen
    • 3
  • Mathias Tummers
    • 3
  1. 1.Université Libre de BruxellesBrusselsBelgium
  2. 2.Université de LorraineNancyFrance
  3. 3.Institute of Mechanics, Materials and Civil EngineeringUniversité catholique de LouvainLouvain-la-NeuveBelgium

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