Unbeknownst to me, and probably 99% of the population, surgery under the guidance of a live operating MRI was impossible due to the magnetic fields. The NeuroArm is the world’s first MRI-guided neurosurgical robot allowing for microscopic surgeries. The NeuroArm’s motors were designed and built using ceramics, enabling it to work within magnetic fields and allowing surgeons and scientist to navigate and see how the brain is impacted during surgery.
More info here.
Video after the ‘leap’