Fast and Automatic Periacetabular Osteotomy Fragment Pose Estimation Using Intraoperatively Implanted Fiducials and Single-View Fluoroscopy

@article{Grupp2020FastAA,
  title={Fast and Automatic Periacetabular Osteotomy Fragment Pose Estimation Using Intraoperatively Implanted Fiducials and Single-View Fluoroscopy},
  author={Robert Grupp and Ryan J. Murphy and Rachel A. Hegeman and Clayton P. Alexander and M. Unberath and Yoshito Otake and Benjamin A. McArthur and Mehran Armand and Russell H. Taylor},
  journal={Physics in medicine and biology},
  year={2020}
}
Accurate and consistent mental interpretation of fluoroscopy to determine the position and orientation of acetabular bone fragments in 3D space is difficult. We propose a computer assisted approach that uses a single fluoroscopic view and quickly reports the pose of an acetabular fragment without any user input or initialization. Intraoperatively, but prior to any osteotomies, two constellations of metallic ball-bearings (BBs) are injected into the wing of a patient's ilium and lateral superior… Expand
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