S08-282 Configurations for integrated MRI-linear accelerators Stanford researchers have developed an integrated MRI-Linac hybrid system that can increase the efficacy of image-guided radiotherapy (IGRT). Norbert Pelc Amit Sawant Lei Xing Greig Scott Steven Conolly Rebecca Fahrig Paul Keall Kim Butts Pauly
S09-042 MRI - A Frequency Offset Cartesian Feedback System An amplifier system providing improved Cartesian feedback is provided. A complex band pass error amplifier is provided. Marta Zanchi Greig Scott
S09-382 Frequency Selective Negative Feedback to Avoid Preamplifier Oscillation in Multi-Channel Arrays A system and method for generating preamplifier feedback in magnetic resonance imaging (MRI) systems are provided. Fraser Robb Thomas Grafendorfer Greig Scott Shreyas Vasanawala James Tropp Paul Calderon
S08-179 MRI - Ensuring Implant Safety During MRI Procedures Using Reversed RF Polarization A method for detecting coupled RF current magnetic resonance (MR) objects in a body and determining MR risk is provided. The body is scanned with reverse circularly polarized RF. William Overall Greig Scott