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Int J Comput Assist Radiol Surg. 2016 Apr;11(4):613-20. doi: 10.1007/s11548-015-1282-2. Epub 2015 Oct 8.

Development of preoperative planning software for transforaminal endoscopic surgery and the guidance for clinical applications.

Author information

1
Institute of Biomedical Manufacturing and Life Quality Engineering, State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China. xiaojunchen@163.com.
2
School of Mechanical Engineering, Shanghai Jiao Tong University, Room A-805, Dongchuan Road 800, Minhang District, Shanghai, 200240, China. xiaojunchen@163.com.
3
Institute of Biomedical Manufacturing and Life Quality Engineering, State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China.
4
Shanghai Tenth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai, China.
5
Faculty of Medicine, KU Leuven, Leuven, Belgium.

Abstract

PURPOSE:

Preoperative planning is of great importance for transforaminal endoscopic techniques applied in percutaneous endoscopic lumbar discectomy. In this study, a modular preoperative planning software for transforaminal endoscopic surgery was developed and demonstrated.

METHODS:

The path searching method is based on collision detection, and the oriented bounding box was constructed for the anatomical models. Then, image reformatting algorithms were developed for multiplanar reconstruction which provides detailed anatomical information surrounding the virtual planned path. Finally, multithread technique was implemented to realize the steady-state condition of the software.

RESULTS:

A preoperative planning software for transforaminal endoscopic surgery (TE-Guider) was developed; seven cases of patients with symptomatic lumbar disc herniations were planned preoperatively using TE-Guider. The distances to the midlines and the direction of the optimal paths were exported, and each result was in line with the empirical value.

CONCLUSIONS:

TE-Guider provides an efficient and cost-effective way to search the ideal path and entry point for the puncture. However, more clinical cases will be conducted to demonstrate its feasibility and reliability.

KEYWORDS:

Image reformatting; Preoperative planning; Transforaminal endoscopic surgery

PMID:
26450110
DOI:
10.1007/s11548-015-1282-2
[Indexed for MEDLINE]

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