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26 de feb. de 2024 · Optimal planning of the pedicle screw path is a key guarantee of safe operation during the pedicle screw placement surgery. Existing semi-automatic or automatic path planning methods are mainly based on anatomical information of the vertebrae rather than mechanical information.
27 de nov. de 2017 · Since CBT follows a widely different screw path from the traditional anatomical transpedicular trajectory, it can be an option for a compromised screw path, such as screw misplacement, screw loosening, and pseudoarthrosis.
12 de nov. de 2021 · We present an improved approach that achieves the pedicle screw path planning through multiple projections of a numerically re-oriented vertebra with the estimated posture.
In this paper, we propose a multi-directional reconstruction approach for screw path planning. An optimal screw path in a projected pedicle image is estimated first. Then, the 3D path is a reconstruction from the paths in the projections from multiple directions.
4 de nov. de 2022 · This paper adopted two metrics of precision and accuracy to effectively evaluate the screw path, which were accuracy evaluation indices based on the absolute difference of entry and exit point coordinates before and after the operation.
8 de sept. de 2023 · We present an improved approach that achieves the pedicle screw path planning through multiple projections of a numerically re-oriented vertebra with the estimated posture.
