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- W2922349869 abstract "For percutaneous needle insertion in the lower abdomen, preoperative insertion path planning with CT imaging is important. Previous studies have shown that needle deflection can be minimized by selecting an insertion path for which the sum of the insertion angles on the tissue boundaries is minimized. To apply the concept of path planning to the clinical setting, a system must be developed to automatically calculate the insertion angle and determine the optimal insertion path on CT images. We herein present a method for multilayered tissue boundary detection in the lower abdomen and insertion angle calculation along the insertion path based on the boundary detection. Because this detection method does not depend on the tissue shape, the boundary points showing a peak brightness change on each insertion path are detected and connected. The experimental results showed an average insertion angle error in the skin, muscle, and bowel of 0.68, 0.99, and 5.3 degrees, respectively." @default.
- W2922349869 created "2019-03-22" @default.
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- W2922349869 date "2018-12-01" @default.
- W2922349869 modified "2023-09-24" @default.
- W2922349869 title "Needle Insertion Path Planning System for Lower Abdominal Insertion Based on CT Images" @default.
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- W2922349869 doi "https://doi.org/10.1109/robio.2018.8664883" @default.
- W2922349869 hasPublicationYear "2018" @default.
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