针对神经导航的准确性:对创新的可穿戴AR平台与传统的EM导航相比进行比较评估
Marina Carbone1,2, Nicola Montemurro2,3, Nadia Cattari1,2
1Department of Information Engineering, University of Pisa, Pisa, Italy.
Frontiers in digital health
|January 29, 2025
概括
像VOSTARS系统一样,神经外科的可穿戴增强现实 (AR) 与传统导航相比,提供了更高的目标准确性. 这种先进的AR技术显示了通过提供实时指导来改善手术结果的潜力.
科学领域:
- 神经外科 神经外科
- 医疗技术 医疗技术 医学技术
- 增强现实是一种增强现实.
背景情况:
- 在神经外科手术中,可穿戴增强现实 (AR) 允许对患者的导航数据进行直接可视化.
- 这种方法将虚拟信息与真实外科领域相结合,有可能减少认知负载并提高外科准确性.
研究的目的:
- 为了评估一个新的AR平台的好处,VOSTARS.
- 为了比较VOSTARS的目标准确度与金级标准的Medtronic StealthStation® S7®电磁导航系统.
主要方法:
- 无论是VOSTARS还是标准的神经导航器,都在幻影和人体研究中进行了测试.
- 在幻影研究中,参与者针对13个预定义的地标.
- 在人类研究中,在9名志愿者进行脑瘤手术后,针对了三个面部标志.
主要成果:
- 在幻影和人体研究中,VOSTARS表现出卓越的性能.
- 幻影研究:VOSTARS的中位精度为1.4毫米 (IQR: 1.2毫米) 与标准的2.9毫米 (IQR: 1.4毫米) 相比.
- 人类研究:VOSTARS对外侧眉毛 (3.7毫米对6.6毫米,p=0.05) 和额头 (4.5毫米对6.3毫米,p=0.021) 里程碑的准确性显著提高.
结论:
- 沃斯塔斯ARS AR系统实现了比标准神经导航器更高的目标准确性.
- 研究结果表明,AR技术有可能显著改善神经外科手术的结果.
相关概念视频
01:26Errors in Global Positioning System
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
01:28Field Application of Global Positioning System
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...