Magnetic resonance imaging apparatus

Details Magnetic resonance imaging apparatus Magnetic resonance imaging apparatus

1998-02-18

1999-07-27

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

335296, 335298, 335302, 335306, A61B 505

Patent

active

059281472

ABSTRACT:
In magnetic resonance imaging (MRI) apparatus in which weight considerations and accessibility of the patient result in a magnet 1 with a large bore 2, in order to enable spectroscopy or other activities requiring large magnetic fields to nevertheless be carried out, a small magnet 4 with its own cryostat can be moved from an inoperative position A to an operative position B, in which the large magnet acts as a shield winding for the small magnet.

REFERENCES:
patent: 5154603 (1992-10-01), Sepponen
patent: 5276399 (1994-01-01), Kasten et al.
patent: 5655533 (1997-08-01), Petropoulos et al.
patent: 5735278 (1998-04-01), Hoult et al.
patent: 5798680 (1998-08-01), Abele et al.

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