A novel system for markerless intra-operative bone and bone fragment tracking
Fluoroscopic guidance is an integral tool in modern orthopaedic surgery often used to track bones and/or bone fragments during a surgical procedure. However, relying upon this intra-operative 2D projective imaging modality for this purpose can challenge a surgeon’s ability to interpret 3D position a...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2025-12-01
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| Series: | Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization |
| Subjects: | |
| Online Access: | https://www.tandfonline.com/doi/10.1080/21681163.2025.2463327 |
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| Summary: | Fluoroscopic guidance is an integral tool in modern orthopaedic surgery often used to track bones and/or bone fragments during a surgical procedure. However, relying upon this intra-operative 2D projective imaging modality for this purpose can challenge a surgeon’s ability to interpret 3D position and orientation of any but the simplest bony anatomy. A number of object-tracking technologies have been developed to aid surgeons, but they have failed to be generalisable to a wider array of procedures, have required an unrealistic amount of time and effort to implement, or have unacceptably changed the flow of the surgery. This work describes a novel, general-purpose system for markerless, intra-operative bone tracking that seamlessly integrates into a surgical setting. The system uses a unique calibration object placed next to the patient, which provides a common reference for aligning multiple fluoroscopic images. This approach enables robust and expedient 3D object registration from only two semi-orthogonal 2D fluoroscopic images. |
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| ISSN: | 2168-1163 2168-1171 |