Stealth RF energy harvesting in MRI using selective shielding

• Published in: Magnetic resonance in medicine Vol. 92; no. 1; pp. 406 - 415
• Main Authors: Bjorkqvist, Oskar, Pruessmann, Klaas P.
• Format: Journal Article
• Language: English
• Published: United States Wiley Subscription Services, Inc 01.07.2024
• Subjects: Electromagnetic induction; Energy harvesting; Equipment Design; Equipment Failure Analysis; Humans; Image quality; Magnetic resonance imaging; Magnetic Resonance Imaging - instrumentation; Phantoms, Imaging; Power management; Power sources; Radiation Protection - instrumentation; Radio frequency; Radio Waves; RF harvesting; Shielding; wireless power; shielding; wireless power; RF harvesting

Purpose To utilize the transmit radiofrequency (RF) field in MRI as a power source, near or within the field of view but without affecting image quality or safety. Methods Power harvesting is performed by RF induction in a resonant coil. Resulting RF field distortion in the subject is canceled by a...