Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1995-03-16
1998-04-14
Casler, Brian L.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600435, 324318, A61B 5055
Patent
active
057386323
ABSTRACT:
A device for use in combination with a magnetic resonance imaging apparatus which generates a static magnetic field and detects magnetic resonances in a living body is placed in the static magnetic field, includes a distal end portion and another portion having an end connected to the distal end portion. The distal end portion has a magnetic permeability of such a value that diagnosis and treatment are not influenced by magnetic resonance image distortions due to a disturbance in a uniformity of the static magnetic field generated by the apparatus. The device includes other portions which have a magnetic permeability which is higher than that of the distal end portion and have a value so that the other portions are prevented from being attracted to the static magnetic field. The device does not adversely influence magnetic resonance images since the device is not attracted to a magnet of the magnetic resonance imaging apparatus, thereby increasing an accuracy in diagnosis and treatment.
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Casler Brian L.
Olympus Optical Co,. Ltd.
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