FEATURE Every millimetre matters in surgery. While tools are available to help surgeons improve precision, they tend to have built-in challenges, such as bulkiness, obstruction risks and high costs. Scientists at HKUMed have created an innovative solution that overcomes these challenges and holds the promise of reducing risks and improving safety and precision surgery, even in highly complex cases. The Multiview, Markerless, Magnetic Location Surgical Navigation System was developed by Dr Qi Weichen, Dr Meng Nan, Dr Cheng Pengfei, Professor Zhang Teng and Professor Jason Cheung Pui-yin in the Department of Orthopaedics and Traumatology, SClinMed. The system, which uses computer vision AI and light field technology, won a Gold Award at the 50th International Exhibition of Inventions of Geneva (IEIG) 2025. ‘Our system enables surgeons to accurately locate surgical targets, which reduces risks and complications,’ said Department Chairperson Professor Jason Cheung Pui-yin. ‘It also promotes minimally invasive surgery, which reduces surgical trauma and shortens patient recovery time. It can provide crucial assistance in complex surgeries, particularly in neurosurgery and orthopaedics.’ Unlike other surgical navigation systems, which use infrared stereoscopic cameras and reflective marker spheres to track the position and patient anatomy in Beyond the Infrared: The Next Era of Surgical Navigation 12
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