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Performance of Robotic Assistance for Skull Base Biopsy: A Phantom Study.

Authors
  • Zhu, Jian-Hua1
  • Wang, Jing1
  • Wang, Yong-Gui2
  • Li, Meng2
  • Guo, Yu-Xing1
  • Liu, Xiao-Jing1
  • Guo, Chuan-Bin1
  • 1 Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Haidian District, Beijing, People's Republic of China. , (China)
  • 2 Intelligent Robotics Institute, Beijing Institute of Technology, Haidian District, Beijing, People's Republic of China. , (China)
Type
Published Article
Journal
Journal of neurological surgery. Part B, Skull base
Publication Date
Oct 01, 2017
Volume
78
Issue
5
Pages
385–392
Identifiers
DOI: 10.1055/s-0037-1602791
PMID: 28875116
Source
Medline
Keywords
License
Unknown

Abstract

Objectives This study aims to evaluate the feasibility of a custom robot system guided by optical cone beam computed tomography (CBCT)-based navigation for skull base biopsy. Design An accuracy study was conducted. Setting Platform for navigation and robot-aided surgery technology. Participants Phantom skull. Main Outcome Measures The primary outcome measure was to investigate the accuracy of robot-assisted needle biopsy for skull base tumors. A 14-gauge needle was automatically inserted by the five degrees of freedom robot into the intended target, guided by optical navigation. The result was displayed on the graphical user interface after matrix transformation. Postoperative image scanning was performed, and the result was verified with image fusion. Results All 20 interventions were successfully performed. The mean deviation of the needle tip was 0.56 ± 0.22 mm (measured by the navigation system) versus 1.73 ± 0.60 mm (measured by image fusion) ( p < 0.05). The mean insertion depth was 52.3 mm (range: 49.7-55.2 mm). The mean angular deviations off the x-axis, y-axis, and z-axis were 1.51 ± 0.67, 2.33 ± 1.65, and 1.47 ± 1.16 degrees, respectively. Conclusions The experimental results show the robot system is efficient, reliable, and safe. The navigation accuracy is a significant factor in robotic procedures.

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