A study of hybrid navigation system for seamless MR image guided surgery

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A novel image navigation system has been successfully developed using a standard high-field MR system and an MR-compatible surgical robot to assist image-guided puncture. With this system, the robot automatically chased the preset target point immediately after the image acquisition without registration process. The safe and optimal puncture route could be selected while monitoring reconstructed images along the needle path. After the puncture of the target, the position and direction of the needle were recorded. MR images for the evaluation of the puncture could be immediately acquired without scout images. Thus, seamless MR image-guided surgical procedures were realized inside and outside the magnet.