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Dynamic Navigation for Dental Implant Placement

Dynamic Navigation for Dental Implant Placement

Published on: September 13, 2022

用于手术仪器追踪的分布式视觉定位.

Yu Cai¹, Mingzhu Zhu², Bingwei He³

¹School of Mechanical Engineering, Fuzhou University, Fuzhou, 350108, China.

Physical and engineering sciences in medicine

|January 9, 2024

概括

此摘要是机器生成的。

这项研究引入了一种新的分布式视觉定位系统,用于精确的手术仪器跟踪. 该系统实现了亚毫米精度,通过克服传统跟踪限制,提高了手术安全性和效率.

关键词:

多摄像头定位多摄像头定位手术仪器的定位位置手术导航手术导航手术导航

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科学领域:

医疗技术医疗技术医学技术
计算机视觉计算机视觉
手术机器人手术机器人手术机器人手术机器人

背景情况:

准确的手术仪器跟踪对于临床操作至关重要.
传统的定位系统面临着诸如摄像机/标记器堵塞和环境干扰等挑战.

研究的目的:

开发一个强大的分布式视觉定位系统,用于手术仪器跟踪.
为了提高手术期间仪器定位的准确性和可靠性.

主要方法:

设计了一个独特的标记图案,用三角格子和点来改进特征检测和识别.
实施了多视角-n-点 (mPnP) 方法来融合多摄像头数据.
利用基于仪器运动状态的动态或静态卡尔曼过来减少动.

主要成果:

拟议的系统显示定位误差低于0.207毫米.
该系统的处理时间低于118.842 ms.
对比实验显示,再投影误差低于主流算法.

结论:

开发的系统提供了准确可靠的手术仪器定位.
这项技术具有显著的潜力,可以提高外科手术效率和患者安全.