A few days ago, researchers at the University of Basel developed a system called SpectoVive, a system based on HTC Vive that enhances diagnostic accuracy through VR technology to accurately plan surgery.
The researchers are from the University of Basel School of Biomedical Engineering and its affiliated hospitals. Usually before surgery, surgeons need to obtain anatomical images (bones, blood vessels, muscles, etc.) that are as accurate as possible on the body structure of the surgical object in order to perform surgical planning, such as determining the size and position of the incision, and how to avoid other organs. And nerves to achieve perfect and successful surgical results.
Traditional imaging tools, such as CT and MRI, can provide static 3D stereo images, but the surgeon is still only a flat viewing angle when viewing. The SpectoVive developed by technicians and doctors at the University of Basel uses computed tomography to acquire 2D cross-sections and generate 3D images in real time. Through complex programs and high-performance graphics cards, the rendering speed is up to the VR head display. Frame rate. Allows the surgeon to detect the human body structure in a virtual environment directly through realistic real-time 3D images and make the most reasonable surgical plan. In addition, the SpectoVive system can perform fluid shadow rendering (scanning of various liquids such as blood and tissue fluids), which is important for creating realistic depth impressions.
Converting CT images to 3D playback is not a new technology. The problem with many 3D images not available for virtual environments is the speed of their real-time rendering. At least 180 frames / s, that is, a single eye 90 frames / S rate, will not cause dizziness. Based on the results of SpectoVive's research and development, the technician's solution is to build a system to process the scanned data and use high-performance graphics cards.
As shown in the video, using this system, the doctor puts on the Vive head display, which can check the skeleton structure of a human body in a virtual environment. This process can zoom in and view the bones at different angles, adjust the angle of view and view the 3D view at the same time. And regular CT images. In the words of Professor Philippe C. Cattin of the Basel Bioengineering Research and Development team, VR provides doctors with a very intuitive way to get a visual overview and understand what might happen during surgery.
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