28 Icon System Manual T02985_02_03
Safety (English)
within the magnet and drops considerably outside the tunnel as a function of the distance
to the magnet.
Especially when approaching the entrance of the magnet bore the magnetic field
increases within a very short distance to its full strength with a high magnetic field
gradient. Thus, ferromagnetic parts will be suddenly strongly attracted by the field
gradient. Consequently, such objects in the vicinity of the magnetic field may become
hazardous projectiles.
At normal working distance (> 35 cm) away from the magnet housing the magnetic stray
field is below 0.5 mT, where no substantial forces exist.
Risk of temporary impairment for persons with cardiac pacemakers.
Cardiac pacemakers could temporarily switch into test mode in the vicinity of the
magnet.
Persons with cardiac pacemakers must not approach the magnet closer than
35 cm (14 inches).
Risk of injury or serious material damage.
Always be aware of the strong and sudden attractive force on ferromagnetic materials
inside the shielded magnet system. Do not bring ferromagnetic material into the MRI
magnet. Ferromagnetic materials that have been attracted by the magnet might
eventually not be removed again, resulting in serious magnet damage.
The magnet may not be switched off. Do not try to remove accidentally attracted
magnetic items from inside the magnet. Contact your local Bruker service instead.
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