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Software Framework for VR-Enabled Transcatheter Valve Implantation in Unity

Part of the Lecture Notes in Computer Science book series (LNIP,volume 11613)

Abstract

VR navigation systems have emerged as a particularly useful tool for the guidance of minimally invasive surgical procedures to restore the 3D perception of the surgical field and augment the visual information available to the surgical team. Over the past decade, X-ray free VR navigation systems based on Electromagnetic (EM) tracking have been proposed to guide catheter-based minimally invasive surgical procedures, including transcatheter valve implantation, with a reduced intra-procedural radiation exposure and contrast medium injections. One of the major limits of current navigation platforms is the lack or the poor reliability/efficiency of the real-time modeling unit to reproduce the deformations of the cardiovascular anatomy and surgical instruments. In this work we propose an EM navigation platform, with software functionalities, developed using the Unity game engine, to mimic physical behaviors of surgical instruments inside the patient vasculature, handle the interaction between the tools and the anatomical model via collision detection, and (in the next version of the software) deform in real-time the anatomy. Additionally, the technology used (Unity) can allow a seamless integration of AR headset to further improve the ergonomics of the 3D scene visualization.

Keywords

  • Electromagnetic navigation
  • Virtual reality
  • Unity game engine
  • Computer-assisted surgery
  • Minimally-invasive surgery
  • Surgical simulation

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Acknowledgments

The research leading to these results has been partially supported by the scientific project “VIVIR: Virtual and Augmented Reality Support for Transcatheter Valve Implantation by using Cardiovascular MRI” (PE–2013–02357974) funded by the Italian Ministry of Health through the call “Ricerca Finalizzata 2013”.

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Correspondence to Sara Condino .

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Turini, G. et al. (2019). Software Framework for VR-Enabled Transcatheter Valve Implantation in Unity. In: De Paolis, L., Bourdot, P. (eds) Augmented Reality, Virtual Reality, and Computer Graphics. AVR 2019. Lecture Notes in Computer Science(), vol 11613. Springer, Cham. https://doi.org/10.1007/978-3-030-25965-5_28

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  • DOI: https://doi.org/10.1007/978-3-030-25965-5_28

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