Towards X-ray free endovascular interventions – using HoloLens for on-line holographic visualisation

Healthcare Technology Letters

article

Ivo Kuhlemann¹  Markus Kleemann²  Philipp Jauer¹  Achim Schweikard¹  Floris Ernst¹ 

[1] Institute for Robotics and Cognitive Systems, University of Lübeck;Department of Vascular Surgery, University Hospital Schleswig-Holstein

关键词: computerised tomography;    holography;    diagnostic radiography;    magnetic tracking system;    computed tomography;    two-dimensional X-ray images;    on-line holographic visualisation;    HoloLens;    X-ray free endovascular interventions;   

DOI  :  10.1049/htl.2017.0061

学科分类：肠胃与肝脏病学

来源: Wiley

【 摘 要 】

A major challenge during endovascular interventions is visualising the position and orientation of the catheter being inserted. This is typically achieved by intermittent X-ray imaging. Since the radiation exposure to the surgeon is considerable, it is desirable to reduce X-ray exposure to the bare minimum needed. Additionally, transferring two-dimensional (2D) X-ray images to 3D locations is challenging. The authors present the development of a real-time navigation framework, which allows a 3D holographic view of the vascular system without any need of radiation. They extract the patient's surface and vascular tree from pre-operative computed tomography data and register it to the patient using a magnetic tracking system. The system was evaluated on an anthropomorphic full-body phantom by experienced clinicians using a four-point questionnaire. The average score of the system (maximum of 20) was found to be 17.5. The authors’ approach shows great potential to improve the workflow for endovascular procedures, by simultaneously reducing X-ray exposure. It will also improve the learning curve and help novices to more quickly master the required skills.

【 授权许可】

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