MRI protector

Details MRI protector MRI protector

2002-03-11

2009-02-10

Casler, Brian L. (Department: 3737)

Electricity: measuring and testing

Magnetic

Plural tests

C600S407000, C600S409000, C600S410000, C324S244000, C324S260000, C324S261000, C324S243000, C324S242000

Reexamination Certificate

active

07489128

ABSTRACT:
An MRI protector for protecting personnel and the MRI apparatus from the introduction of ferrous articles into the magnetic field of the MRI has an array of Hall effect sensors oriented to scan the magnetic field of the MRI. The Hall effect sensors are oriented to scan the magnetic field at the access door of the shielded MRI room. The sensors are connected to a central processing unit (CPU) which analyses the output of the sensors and propagates a warning when the presence of ferrous articles affects the magnetic field of the MRI.

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