Electromagnetic Tracking for Image-Guided Abdominal Procedures: Overall System and Technical Issues

Author

Cleary, Kevin ; Zhang, Hui ; Glossop, Neil ; Levy, Elliot ; Wood, Bradford ; Banovac, Filip

Author_Institution

Dept. of Radiol., Georgetown Univ., Washington, DC

fYear

2005

fDate

6/27/1905 12:00:00 AM

Firstpage

6748

Lastpage

6753

Abstract

This paper summarizes our work over the past several years in developing an image-guided system based on electromagnetic tracking for abdominal interventions. The paper begins with a review of computer-aided surgery and electromagnetic tracking. We next describe our image-guided system along with phantom and animal studies. We then present some technical issues in improving accuracy including pivot calibration, dynamic referencing, and registration using two 5 degree-of-freedom sensors. Electromagnetic tracking has great potential for assisting physicians in precision placement of instruments during minimally invasive interventions. However, the accuracy of these systems needs to be validated in the clinical environment and issues such as respiratory motion and organ deformation need to be addressed

Keywords

biological organs; calibration; computerised tomography; deformation; image registration; medical image processing; pneumodynamics; animal studies; computer-aided surgery; dynamic referencing; electromagnetic tracking; image registration; image-guided abdominal procedures; minimally invasive interventions; organ deformation; phantom; pivot calibration; respiratory motion; Abdomen; Biomedical imaging; Biomedical optical imaging; Computer displays; Computer vision; Instruments; Minimally invasive surgery; Optical sensors; Physics computing; Target tracking;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the

Conference_Location

Shanghai

Print_ISBN

0-7803-8741-4

Type

conf

DOI

10.1109/IEMBS.2005.1616054

Filename

1616054