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Abstract #4008

4-DoF Needle-Guide Manipulator System for Interactive Real-Time MRI-Guided Prostate Interventions

Junichi Tokuda1,2, Pedro Moreira1,2, Amanda Aleong3, Franklin King1, John P Grimble4, Kemal Tuncali1,2, Ravi Seethamraju5, Gerald Moran6, Himanshu Bhat5, Nick V Iftimia4, and Jesung Park4
1Radiology, Brigham and Women's Hospital, Boston, MA, United States, 2Harvard Medical School, Boston, MA, United States, 3University of Toronto, Toronto, ON, Canada, 4Physical Science Inc., Andover, MA, United States, 5Siemens Medical Solutions USA Inc., Boston, MA, United States, 6Siemens Healthcare Ltd., Oakville, ON, Canada

Accurate needle placement is crucial for MRI-guided targeted prostate biopsy. However, needle placement accuracy is often affected by the deviation of the needle caused by the anatomical structures on the needle path. To avoid anatomical structures that are likely to cause significant needle deviation, we developed a 4-degree-of-freedom (DoF) needle-guide manipulator system named “Smart Template”. The Smart Template allows physicians to insert a needle accurately to the target while monitoring the needle through interactive real-time MRI. We performed a preliminary evaluation of the device to test the feasibility of needle placement using Smart Template.

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