Int J CARS (2017) 12:1621–1633 DOI 10.1007/s11548-017-1546-0 ORIGINAL ARTICLE A software solution to dynamically reduce metallic distortions of electromagnetic tracking systems for image-guided surgery 1,2 2 1 Mengfei Li · Christian Hansen · Georg Rose Received: 22 August 2016 / Accepted: 21 February 2017 / Published online: 3 March 2017 © CARS 2017 Abstract Conclusions Our software-based approach can be inte- Purpose Electromagnetic tracking systems (EMTS) have grated into existing medical EMTS seamlessly with no achieved a high level of acceptance in clinical settings, e.g., change in hardware. It improves the tracking accuracy of to support tracking of medical instruments in image-guided clinical EMTS when there is a metallic object placed near interventions. However, tracking errors caused by movable the sensor coil and has the potential to improve the safety metallic medical instruments and electronic devices are a crit- and outcome of image-guided interventions. ical problem which prevents the wider application of EMTS for clinical applications. Keywords Electromagnetic tracking · Image-guided Methods We plan to introduce a method to dynamically interventions · Clinical navigation systems · Error reduction · reduce tracking errors caused by metallic objects in prox- Metallic distortion imity to the magnetic sensor coil of the EMTS.
International Journal of Computer Assisted Radiology and Surgery – Springer Journals
Published: Mar 3, 2017
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