Abstract
PurposeIn the last decade, there has been a great effort to bring mixed reality (MR) into the operating room to assist surgeons intraoperatively. However, progress towards this goal is still at an early stage. The aim of this paper is to propose a MR visualisation platform which projects multiple imaging modalities to assist intraoperative surgical guidance.MethodologyIn this work, a MR visualisation platform has been developed for the Microsoft HoloLens. The platform contains three visualisation components, namely a 3D organ model, volumetric data, and tissue morphology captured with intraoperative imaging modalities. Furthermore, a set of novel interactive functionalities have been designed including scrolling through volumetric data and adjustment of the virtual objects’ transparency. A pilot user study has been conducted to evaluate the usability of the proposed platform in the operating room. The participants were allowed to interact with the visualisation components and test the different functionalities. Each surgeon answered a questionnaire on the usability of the platform and provided their feedback and suggestions.ResultsThe analysis of the surgeons’ scores showed that the 3D model is the most popular MR visualisation component and neurosurgery is the most relevant speciality for this platform. The majority of the surgeons found the proposed visualisation platform intuitive and would use it in their operating rooms for intraoperative surgical guidance. Our platform has several promising potential clinical applications, including vascular neurosurgery.ConclusionThe presented pilot study verified the potential of the proposed visualisation platform and its usability in the operating room. Our future work will focus on enhancing the platform by incorporating the surgeons’ suggestions and conducting extensive evaluation on a large group of surgeons.
Highlights
Mixed reality (MR) is emerging as a vital tool in surgery as it enables the surgeon to visualise subsurface anatomical structures in 3D
The multimodal data presented on the virtual screens come from medical imaging modalities such as magnetic resonance imaging (MRI), ultrasound (US), probe-based confocal laser endomicroscopy, and computed tomography (CT) scanners
We propose a mixed reality (MR) visualisation platform to assist in intraoperative surgical guidance by projecting multiple imaging modalities simultaneously using both 2D screens and 3D virtual objects
Summary
Mixed reality (MR) is emerging as a vital tool in surgery as it enables the surgeon to visualise subsurface anatomical structures in 3D. This is because MR “mixes” virtual and real objects, allowing, for example, a surgeon to see a. Besides the virtual 3D objects, MR enables a surgeon to consult a patient’s data through virtual 2D screens. Those virtual screens can display data collected before surgery (preoperatively) or during surgery (intraoperatively). The multimodal data presented on the virtual screens come from medical imaging modalities such as magnetic resonance imaging (MRI), ultrasound (US), probe-based confocal laser endomicroscopy (pCLE), and computed tomography (CT) scanners
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