基于3D红外光学定位仪的模拟头颅穿刺导航方案设计与实现  

Design and implementation of navigation scheme of simulated cranial puncture based on 3D infrared optical locator

作　　者：陈桂林 李飞[2] 张艳玲[3] 常洪华 李源[1] 罗永秀 石胜陵 Chen Guilin;Li Fei;Zhang Yanling;Chang Honghua;Li Yuan;Luo Yongxiu;Shi Shengling(Department of Medical Equipment,Chongqing University Fuling Hospital;Department of Pain,Chongqing University Fuling Hospital;Department of Radiology,Chongqing University Fuling Hospital,Chongqing 408000,China)

机构地区：[1]重庆大学附属涪陵医院医学装备科,重庆408000 [2]重庆大学附属涪陵医院疼痛科,重庆408000 [3]重庆大学附属涪陵医院放射科,重庆408000

出　　处：《中国医学装备》2024年第12期7-12,共6页China Medical Equipment

基　　金：重庆市科卫联合科研项目(2023MSXM080)。

摘　　要：目的:设计基于3D红外光学定位仪的模拟头颅穿刺导航方案,实现三叉神经半月节精准穿刺,确保临床手术效果最大化。方法:通过CT扫描头颅模体,将其数据导入3DSlicer系统中;通过3D光学定位仪和3DSlicer系统的图像引导治疗(IGT)模块将头颅模体、手术工具、手术针及针尖空间坐标转换到3DSlice系统中,实时显示针尖与头颅模型空间位置关系,实验验证3D光学定位仪的实测精度以及头颅穿刺导航方案定位精度。结果:经10次实验验证,3D光学定位仪定义精度达到0.2 mm;3DSlicer系统虚拟世界与真实世界的操作能够实时准确对应,模拟导航定位测量结果为(0.87±0.49)mm。结论:实验结果验证了模拟头颅穿刺导航精度,效果良好,能够为PBC术前规划导航方案提供参考。Objective:To design a simulated navigation scheme of cranial puncture based on three dimensional(3D)infrared optical locator,so as to achieve accurately puncture of trigeminal nerve semilunar node and ensure maximization of the effect of clinical surgery.Methods:The experiment used computed tomography(CT)to scan skull phantom,and imported its data into 3D Slicer system.Spatial coordinates of skull phantom,surgical tool,surgical needle and needle tips were converted to 3D Slicer through the 3D optical locator and 3D Slicer's image guided therapy(IGT)module,so as to display the relationship of spatial position between needle tip and skull model in real-time,and to verify the accuracy of actual measurement of 3D optical locator,and the located accuracy of navigation scheme of skull puncture.Results:After the verification of 10 verification tests,the defined accuracy of 3D optical locator reached 0.2 mm.The operation of virtual world of 3D Slicer system can real-timely and accurately correspond with that of real world.The measured result of simulated navigation and position was(0.87±0.49)mm.Conclusion:The testing results verify the accuracy of navigation of simulated cranial puncture,which has favorable effect,and which can provide a reference for planning navigation scheme before percutaneous puncture balloon compression(PBC)surgery.

关 键 词：3D光学定位仪 3D Slicer系统 经皮穿刺球囊压迫术(PBC) 图像引导治疗(IGT) 

分 类 号：R319[医药卫生—基础医学]