PublicationDetail

Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

B. Olbrich, J. Traub, S. Wiesner, A. Wiechert, H. Feußner, N. Navab
Respiratory Motion Analysis: Towards Gated Augmentation of the Liver
Proceedings of Computer Assisted Radiology and Surgery (CARS 2005), pp. 248-253, Berlin, Germany, June 2005 (bib)

Laparoscopic surgery had a rapid development over the past decade. However, the view of the surgeon is limited to the image of the laparoscope. Augmented reality can provide further information to the surgeon by enabling a view inside the patient, and thus supporting a more precise and less invasive procedure. The limiting factors for realistic augmentation during liver surgery are movement and deformation of the organ due to respiratory motion. In our experiments we analyzed respiratory motion patterns of the liver caused by the respirator. Throughout our experiments we validated our assumption that repositioning after one breathing cycle is within a range of 1mm. For an optimal augmentation of the liver in the laparoscopic image we suggest to adjust the respirator thus that we have a static exhalation phase of two to three seconds on which our augmentation is performed.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each authors copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.



Edit | Attach | Refresh | Diffs | More | Revision r1.11 - 19 Jul 2016 - 16:26 - NassirNavab

Lehrstuhl für Computer Aided Medical Procedures & Augmented Reality    rss.gif