MRI device having high field strength cylindrical magnet with tw

Details MRI device having high field strength cylindrical magnet with tw MRI device having high field strength cylindrical magnet with tw

1992-12-18

1995-02-14

Wieder, Kenneth A.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324320, G01R 3328

Patent

active

053898796

ABSTRACT:
An MRI imaging device has a cylindrical magnet configuration, gradient coils and an Rf coil. The magnet has a primary and a secondary electromagnet on the same longitudinal center axis but spaced apart along the axis. Each electromagnet is a coil located within a flux guiding member preferably having a cylindrical structure closed at one end. The electromagnets provide a static magnetic field having substantial homogeneity in a central air gap A.sub.G extending from within the primary electromagnet coil axially beyond the primary coil toward the secondary electromagnet coil.

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