Читать книгу Essentials of MRI Safety - Donald W. McRobbie - Страница 25

A recent industry trend has been to reduce the length of the magnet, typical to around 1.6 m and to increase the diameter of the bore from 60 to 70 cm to afford better patient comfort and to accommodate larger patients. This has implications for safety as it affects the fringe field (see Fringe field spatial gradient, page 19).