Abstract
The purpose of this work was to asses the application of haptic device for preoperative virtual planning and intraoperative aiding oncological treatment in maxillofacial area, as well as to preliminarily evaluate an accuracy of intraoperative model registration using Geomagic Touch device. The skull anatomical phantom with mounted titanium screws, previously scanned using CBCT, was used for validation. Preoperative planning, including indication of 6 fiducial registration points and 5 target registration points, was performed for 4 different data sets and repeated 10 times by single user. An average fiducial registration error was \(2.46\pm 0.25\) mm, while an average target registration error was \(2.88\pm 0.44\) mm. Although, obtained accuracy is lower than in the case of optical and electromagnetic navigation system, it still can improve surgery procedure in less demanding applications being a low cost alternative. Geomagic Touch haptic device can be used for preoperative virtual planning of maxillofacial surgery, as well as for intraoperative navigation.
Published Version
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