Novel method for setting up 3D navigation system with skin-fixed dynamic reference frame in anterior cervical surgery.

Q Medicine

Computer Aided Surgery Pub Date : 2015-01-01 Epub Date: 2015-08-21 DOI:10.3109/10929088.2015.1076040

Sang Hoon Jang, Ji Young Cho, Won Chul Choi, Ho Yeon Lee, Sang-Ho Lee, Jae Taek Hong

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引用次数: 16

Abstract

Purpose: To introduce easy and useful methods using 3D navigation system with skin-fixed dynamic reference frame (DRF) in anterior cervical surgery and to validate its accuracy.

Methods: From September 2012 to May 2013, 31 patients underwent anterior cervical surgery and a total of 48 caspar distraction pins were inserted into each cervical vertebra. Every operation was performed using O-arm® navigation system with skin-fixed DRF. To validate the accuracy of these methods, a custom-made metal sleeve was used. In surgical field, through the metal sleeve, the tip of a navigation probe promptly contacts to the tip of caspar pin. We measured the vertical and horizontal distances and the angular deviation in sagittal plane between the caspar pin and the navigation probe on the virtual images and evaluated accuracy of navigation system with skin fixed DRF.

Results: Total 31 (males 20, females 11) patients and 48 caspar pins were included in this study. The mean horizontal distance between the caspar pin and the navigation probe displayed in navigation monitor was 0.49 ± 0.71 mm. The mean vertical distance between the caspar pin and the navigation probe displayed in navigation monitor was 0.88 ± 0.93 mm. And the mean angular deviation in sagittal plane between the caspar pin and the navigation probe displayed in navigation monitor was 0.59 ± 0.55°.

Conclusions: 3D navigation system with skin-fixed DRF in anterior cervical surgery is a simple and reliable method and it can be a helpful supplement to a spine surgeon's judgement.

查看原文本刊更多论文

基于皮肤固定动态参考系的颈椎前路手术三维导航系统的建立方法。

目的:介绍皮肤固定动态参考框架(DRF)三维导航系统在颈椎前路手术中的简便实用方法，并验证其准确性。方法:2012年9月至2013年5月，31例患者行颈椎前路手术，每节颈椎共置入48枚caspar牵张针。每次手术均采用O-arm®导航系统，皮肤固定DRF。为了验证这些方法的准确性，使用了定制的金属套管。在手术领域，通过金属套管，导航探针的尖端迅速接触到卡斯帕针的尖端。在虚拟图像上测量了caspar pin与导航探头之间的垂直、水平距离和矢状面角偏差，评价了皮肤固定DRF导航系统的精度。结果:本研究共纳入31例患者(男20例，女11例)和48例caspar pin。导航显示器显示卡斯帕针与导航探头之间的平均水平距离为0.49±0.71 mm。导航显示器显示卡斯帕针与导航探头之间的平均垂直距离为0.88±0.93 mm。导航显示器显示的caspar针与导航探头矢状面平均角度偏差为0.59±0.55°。结论:三维导航系统皮肤固定DRF在颈椎前路手术中是一种简单可靠的方法，可作为脊柱外科医生判断的有益补充。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Computer Aided Surgery 医学-外科

CiteScore

0.75

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The scope of Computer Aided Surgery encompasses all fields within surgery, as well as biomedical imaging and instrumentation, and digital technology employed as an adjunct to imaging in diagnosis, therapeutics, and surgery. Topics featured include frameless as well as conventional stereotaxic procedures, surgery guided by ultrasound, image guided focal irradiation, robotic surgery, and other therapeutic interventions that are performed with the use of digital imaging technology.