Radiofrequency-Induced Heating in Open Bore MRI

Open bore MRI systems account for approximately 18% of the global MRI installed base which is equivalent to the number of 3 T closed bore MRI systems. The wide patient table, large opening and open view of these open bore MRI systems can be compared to the closed bore MRI system design as shown in Figure 1. Open bore MRI systems are advantageous for imaging pediatric, bariatric, geriatric and claustrophobic patients. With the parallel growth of open bore MRI systems and the increased prevalence of patients with implanted medical devices, it is important to consider the extent of RF-induced heating due to implants in open bore MRI systems.