相关实验视频
Updated: Aug 11, 2026

06:24
A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement
Published on: May 11, 2020
8.7K
使用ExcelsiusGPS机器人导航平台进行脚螺丝放置的准确性:对728个螺丝的分析
Meghana Bhimreddy1, Andrew M Hersh2, Kelly Jiang2
1Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA mbhimre1@jhmi.edu.
International journal of spine surgery
|November 26, 2024
概括
使用ExcelsiusGPS的机器人踏板螺丝放置显示了高精度 (96%可接受). 不准确的预测因素包括男性性别,修改手术和胸部放置,为手术决定提供了信息.
科学领域:
- 脊柱外科手术 脊柱外科手术
- 机器人手术是一种机器人手术.
- 整形外科 整形外科 整形外科
背景情况:
- 机器人平台增强了脚螺丝的位置.
- 本研究回顾了 ExcelsiusGPS 的机构经验.
研究的目的:
- 评估ExcelsiusGPS辅助脚螺丝放置的准确性.
- 确定放置不准确性的预测因素.
主要方法:
- 回顾性队列研究 (2017-2022年).
- 使用ExcelsiusGPS分析了117名患者的728个螺丝.
- 通过Gertzbein和Robbins尺度 (GRS) 在术后CT上评估准确性.
- 使用后勤回归来找出不准确螺丝的风险因素 (GRS C/D/E).
主要成果:
- 总体而言,临床上可接受的螺丝放置率 (GRS A/B) 为96%.
- 男性性别,修复手术和胸部水平插入与不准确的放置有关.
- 728个螺丝中的3个需要修复,因为松或破裂.
结论:
- 通过ExcelsiusGPS辅助的螺丝插入显示了高精度和低修订率.
- 不准确性的预测 (男性性别,胸部位置,修复手术) 与自由手技巧相似.
- 机器人脊椎手术是准确可靠的,改善了患者的治疗结果.
相关概念视频
Distance Corrections
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
Common Leveling Mistakes and Errors
A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
Adjusting a Traverse
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
Errors 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,...
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...

