Abstract #2323
A System for Real-time MRI-guided Transperineal Interventions
Santhi Elayaperumal 1 , Juan Camilo Plata 2 , Andrew Holbrook 3 , Bruce Daniel 3 , Mark Cutkosky 1 , and Kim Butts Pauly 3
1
Mechanical Engineering, Stanford University,
Stanford, CA, United States,
2
Bioengineering,
Stanford University, CA, United States,
3
Radiology,
Stanford University, CA, United States
We present a feasibility study of a system for MR-guided
interventions including a passive manipulator to steer a
needle from outside a closed bore scanner, demonstrated
by a prostate biopsy in a canine. The system comprises
of a shape sensing needle with fiber optic strain
sensors such that the full 3D shape of the needle can be
reconstructed and used to inform the physician about the
tool trajectory in real-time. Real-time imaging,
tracking and tool annotation is integrated with a web
browser based guided user interface, which allows the
physician visualization and scanner control
intraoperatively from inside the MRI suite.
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