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A mixed-reality surgical trainer with comprehensive sensing for fetal laser minimally invasive surgery

Javaux, A; Bouget, D; Gruijthuijsen, C; Stoyanov, D; Vercauteren, T; Ourselin, S; Deprest, J; ... Vander Poorten, E; + view all (2018) A mixed-reality surgical trainer with comprehensive sensing for fetal laser minimally invasive surgery. International Journal of Computer Assisted Radiology and Surgery 10.1007/s11548-018-1822-7. Green open access

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Abstract

PURPOSE: Smaller incisions and reduced surgical trauma made minimally invasive surgery (MIS) grow in popularity even though long training is required to master the instrument manipulation constraints. While numerous training systems have been developed in the past, very few of them tackled fetal surgery and more specifically the treatment of twin-twin transfusion syndrome (TTTS). To address this lack of training resources, this paper presents a novel mixed-reality surgical trainer equipped with comprehensive sensing for TTTS procedures. The proposed trainer combines the benefits of box trainer technology and virtual reality systems. Face and content validation studies are presented and a use-case highlights the benefits of having embedded sensors. METHODS: Face and content validity of the developed setup was assessed by asking surgeons from the field of fetal MIS to accomplish specific tasks on the trainer. A small use-case investigates whether the trainer sensors are able to distinguish between an easy and difficult scenario. RESULTS: The trainer was deemed sufficiently realistic and its proposed tasks relevant for practicing the required motor skills. The use-case demonstrated that the motion and force sensing capabilities of the trainer were able to analyze surgical skill. CONCLUSION: The developed trainer for fetal laser surgery was validated by surgeons from a specialized center in fetal medicine. Further similar investigations in other centers are of interest, as well as quality improvements which will allow to increase the difficulty of the trainer. The comprehensive sensing appeared to be capable of objectively assessing skill.

Type: Article
Title: A mixed-reality surgical trainer with comprehensive sensing for fetal laser minimally invasive surgery
Location: Germany
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s11548-018-1822-7
Publisher version: https://doi.org/10.1007/s11548-018-1822-7
Language: English
Additional information: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Keywords: Content validation, Face validation, Fetal minimally invasive surgery, Mixed-reality trainer
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10055200
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