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Towards Scarless Surgery: An Endoscopic-Ultrasound Navigation System for Transgastric Access Procedures

  • Raúl San José Estépar
  • Nicholas Stylopoulos
  • Randy E. Ellis
  • Eigil Samset
  • Carl-Fredrik Westin
  • Christopher Thompson
  • Kirby Vosburgh
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4190)

Abstract

Scarless surgery is a new and very promising technique that can mark a new era in surgical procedures. We have created and validated a navigation system for endoscopic and transgastric access interventions in in vivo pilot studies. The system provides augmented visual feedback and additional contextual information by establishing a correspondence between the real time endoscopic ultrasound image and a preoperative CT volume using rigid registration. The system enhances the operator’s ability to interpret the ultrasound image reducing the mental burden used in probe placement. Our analysis shows that rigid registration is accurate enough to help physicians in endoscopic abdominal surgery where, by using preoperative data for context and real-time imaging for targeting, distortions that limit the use of only preoperative data can be overcome.

Keywords

Navigation System Free Breathing Preoperative Data Rigid Registration Additional Contextual Information 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Raúl San José Estépar
    • 1
  • Nicholas Stylopoulos
    • 2
  • Randy E. Ellis
    • 1
  • Eigil Samset
    • 1
  • Carl-Fredrik Westin
    • 1
  • Christopher Thompson
    • 1
  • Kirby Vosburgh
    • 1
    • 2
    • 3
  1. 1.Brigham and Women’s Hospital 
  2. 2.Massachusetts General Hospital 
  3. 3.Center of Integration of Medicine and Innovative Technology (CIMIT)Boston

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