The accelerating complexity and variety of medical imaging devices and methods have
outpaced the ability to evaluate and optimize their design and clinical use. This is a …

During an MRI scan, the radiofrequency field from the scanner's transmit coil, but also the
switched gradient fields, induce currents in any conductive object in the bore. This makes …

Ultrahigh magnetic fields offer significantly higher signal-to-noise ratio, and several
magnetic resonance applications additionally benefit from a higher contrast-to-noise ratio …

MRI is a valuable clinical and research tool for patients undergoing deep brain stimulation
(DBS). However, risks associated with imaging DBS devices have led to stringent …

Ultra-high field MRI at 7 T can produce much better visualization of sub-cortical structures
compared to lower field, which can greatly help target verification as well as overall …

Parallel transmission (pTX) techniques are required to tackle a number of challenges, eg,
the inhomogeneous distribution of the transmit field and elevated specific absorption rate …

Patients with active implants such as deep brain stimulation (DBS) devices have limited
access to magnetic resonance imaging (MRI) due to risks associated with RF heating of …

Targeted radiofrequency (RF) heating induced hyperthermia has a wide range of
applications, ranging from adjunct anti-cancer treatment to localized release of drugs. Focal …

Purpose To investigate a novel reduced RF heating method for imaging in the presence of
active implanted medical devices (AIMDs) which employs a sensor‐equipped implant that …

Purpose Rapid detection and mitigation of radiofrequency (RF)‐induced implant heating
during MRI based on small and low‐cost embedded sensors. Theory and Methods A diode …