Abstract
This study is devoted to the accuracy of the optic navigation system “Neuroplan”. To assess the complex error of the system, a plastic model of the skull with 8 radiocontrast target points was developed. Twelve neurosurgeons with different levels of training participated in the study. The design of the study provided for each doctor performance of registration in the “Neuroplan” system at various positions of the model with subsequent hit at the target points. To select the optimal method of registration for different patient positions on the operating table, the registration table for anatomical landmarks (from 3 to 7) and on the surface was used. The analysis of the obtained results showed a high accuracy of the optic navigation system “Neuroplan”: in the side position of the scull model the target error averaged 1.57 [1.11; 2.13] mm, in the face down position – 1.69 [1.26; 2.19] mm, which is comparable with the declared accuracy of foreign analogues. When the experiment was repeated, it was shown that the system has high retest reliability.
Highlights
4лаборатория медицинских компьютерных систем Научно-исследовательского института ядерной физики им
Для выбора оптимального способа регистрации при различных положениях пациента на операционном столе использовались варианты регистрации по анатомическим ориентирам и по поверхности
This study is devoted to the accuracy of the optic navigation system “Neuroplan”
Summary
Целью данного исследования стало изучение зависимости точности навигационной системы «Нейроплан» от условий регистрации и опыта нейрохирургов, а также разработка алгоритма регистрации в зависимости от положения пациента и локализации мишеней. С целью оценки точности навигационной системы «Нейроплан», а также отработки алгоритма регистрации пациента в системе навигации, на модели черепа установили пластиковые блоки высотой 1 и 3 см, на верхнем конце которых были закреплены рентгеноконтрастные метки диаметром 1,5 мм. По 7 анатомическим ориентирам (+ суставной бугорок правой височной кости) / By 7 anatomical reference points (+ articular facet of the right temporal bone). По 3 анатомическим ориентирам (основание носа, медиальная часть скуло-лобного шва справа, суставной бугорок правой височной кости) / By 3 anatomical reference points (base of the nose, medial part of the zygomaticofacial foramen on the left, articular facet of the right temporal bone). Оценка величины ошибки регистрации по маркерам качества (I, II) / Registration error evaluation per quality markers (I, II)
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