Robotic Assistant for Transperineal Prostate Interventions in 3T Closed MRI

  • Gregory S. Fischer
  • Simon P. DiMaio
  • Iulian I. Iordachita
  • Gabor Fichtinger
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4791)


Numerous studies have demonstrated the efficacy of image-guided needle-based therapy and biopsy in the management of prostate cancer. The accuracy of traditional prostate interventions performed using transrectal ultrasound (TRUS) is limited by image fidelity, needle template guides, needle deflection and tissue deformation. Magnetic Resonance Imaging (MRI) is an ideal modality for guiding and monitoring such interventions due to its excellent visualization of the prostate, its sub-structure and surrounding tissues. We have designed a comprehensive robotic assistant system that allows prostate biopsy and brachytherapy procedures to be performed entirely inside a 3T closed MRI scanner. We present a detailed design of the robotic manipulator and an evaluation of its usability and MR compatibility.


Prostate Biopsy Needle Insertion Needle Placement Robotic Assistant Needle Guide 
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 2007

Authors and Affiliations

  • Gregory S. Fischer
    • 1
  • Simon P. DiMaio
    • 2
  • Iulian I. Iordachita
    • 1
  • Gabor Fichtinger
    • 1
  1. 1.Center for Computer Integrated Surgery, Johns Hopkins UniversityUSA
  2. 2.Surgical Planning Lab, Harvard UniversityUSA .

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