摘要
目的 :设计一种用于测量神经导航系统误差的体模。方法 :神经导航误差测量体模主要由玻璃底座、玻璃罩和玻璃立柱3个部分组成。使用时先对体模扫描成像,获取图像数据,并选取体模中预设的特征点模拟病灶部位,做出手术计划,用已有的手术导航系统进行定位注册。获取神经导航系统中的立体图像靶位与实际体模中的靶位之间的误差数据,并运用统计学方法进行分析,获取影响导航精度的因素。结果:神经导航体模能够精确客观地获取实验研究数据,从而方便进行导航误差数据的统计学分析。结论:该神经导航体模可以检验神经导航系统的导航精度,是神经导航系统误差测量的理想校验器材。
Objective To design a phantom used to measure neurosurgical navigation system error.Methods The phantom was composed of a glass base, a cover glass and a glass stand. The phantom underwent scan imaging firstly to obtain image data, and the preset feature points on the phantom were used to simulate focal zone and determine operational plan, then location registration was performed with the existing operation navigation system. Results The errors between the target sites of 3D images in the operation navigation system and the ones of the phantom were gained, and then went through statistical analysis to determine the factors influencing navigation precision.Conclosion The phantom can be used to measure the precision and error of neurosurgical navigation system.
出处
《医疗卫生装备》
CAS
2016年第1期34-36,共3页
Chinese Medical Equipment Journal
基金
军事医学计量科研专项(2012-JL1-004)
关键词
神经导航系统
误差测量
体模
neuronavigation system
error measurement
phantom
