Evaluation of a navigated and power controlled milling system "navigated control spine" for spinal surgery

C. Trantakis, M. Dengl, R. Grunert, W. Korb, G. Strauss, T. Lueth, J. Meixensberger

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

4 Zitate (Scopus)


Purpose: The aim of this work was the evaluation of a navigated and power controlled milling system for spine surgery (navigated control spine). The navigation is based on a set of intraoperatively taken fluoroscopic images from different angles. A manually planned workspace limits the power of the mill and assures a higher automatisation degree than any other established navigation system for spine surgery. Methods: Both a technical study in workspace planning from fluoroscopic images and a milling study on a spine phantom were performed with participants with different level of knowledge of spinal surgery. Results: In the region of interest the workspace planning could be performed with a maximum excess of 1.40 mm for surgeons. In the study performing the milling of a standardised workspace the remnant bone after milling had a mean difference from the planned workspace margin of 1.96-2.12 mm in the region of most interest. Accurate handling of the mill still required a certain level of medical knowledge and experience. In both studies the time needed for application of the system proved acceptable for clinical purposes. Discussion: This concept of navigated and power controlled spinal surgery has proven feasible in an experimental study. This navigation system seems therefore promising for clinical application.

Seiten (von - bis)487-495
FachzeitschriftInternational Journal of Computer Assisted Radiology and Surgery
PublikationsstatusVeröffentlicht - 2009


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