基于图像识别的无追踪器增强现实导航系统在一系列骨试验中的应用
Elvis Chun-Sing Chui1, Kyle Ka-Kwan Mak2, Randy Hin-Ting Ng2
1Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China. elvis_chui@cuhk.edu.hk.
Arthroplasty (London, England)
|August 1, 2024
概括
这项研究引入了一个增强现实 (AR) 导航系统用于高骨切除术 (HTO),显著减少了规划和手术时间. 虽然比传统方法更不准确,但它的效率在骨科手术中提供了有前途的进步.
科学领域:
- 整形外科手术 整形外科手术
- 医疗技术 医疗技术 医学技术
- 手术导航 手术导航
背景情况:
- 传统的高骨切除术 (HTO) 在精度和效率方面存在局限性.
- 挑战包括不一致的术后对齐和潜在的神经血管损伤.
- 探索增强现实 (AR) 导航以克服这些局限性.
研究的目的:
- 引入和评估HTO的AR导航系统.
- 为了提高HTO程序的精度和效率.
- 为了应对传统HTO方法的挑战.
主要方法:
- 使用HoloLens,Unity Engine和Vuforia软件开发了一个AR混合现实 (AR-MR) 导航系统.
- 临床前试验是在骨模型上进行的.
- 来自CT扫描的3D解剖模型通过HoloLens进行投影,以使用手势进行外科医生互动.
主要成果:
- 与传统导航 (30.5分钟) 和金属导航 (75.5分钟) 相比,AR-MR系统显著减少了手术前规划时间 (4分钟).
- 术内时间也减少了 (8.5分钟) 与传统导航 (31.5分钟) 和金属导航 (10.5分钟) 相比.
- 该AR系统表现出高效率,尽管精度略低.
结论:
- 增强现实导航系统为HTO提供了一个变革性的方法,平衡准确性和效率.
- 诸如双阶段注册等改进可以提高精度.
- 该系统的效率为简化骨科手术和最大限度地减少伤害带来了潜在的突破.
相关概念视频
Field 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...
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point served as...
Real-World Applications of Space Curves
Modern aerospace navigation depends on the accurate prediction of motion in three-dimensional space. In defense applications, radar systems continuously track both interceptors and moving aerial targets to find whether their flight paths will result in a collision. These motions are modeled mathematically as space curves, which represent paths that change continuously with time. Each object’s position is described by a vector function that specifies its location in terms of time-dependent...


