Artifact suppression system for magnetic resonnance imaging appa

Details Artifact suppression system for magnetic resonnance imaging appa Artifact suppression system for magnetic resonnance imaging appa

1990-01-02

1992-10-27

Envall, Jr., Roy N.

Boots, shoes, and leggings

324307, 1286532, G06F 1500

Patent

active

051595508

ABSTRACT:
An artifact suppression system for a magnetic resonance imaging apparatus, comprising static field application means for applying a static field to a subject, RF pulse application means for applying RF pulses, gradient field application means for applying gradient fields which consist of a slice field for designating a tomographic slice, a phase encode field for affording a phase encode magnitude, and a signal read field for encoding a frequency, and sequence control means for controlling a signal acquistion sequence which acquires a magnetic resonance signal from the designated tomographic slice of the subject, and a saturation sequence which saturates spins of movable objects to traverse the designated tomographic slice of the subject for the signal acquisition, before execution of the signal acquisition sequence.

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patent: 4728890 (1988-03-01), Pattany et al.
patent: 4746860 (1988-05-01), Satoh
patent: 4746864 (1988-05-01), Satoh
Matthaei, Dieter; Haase, Axel, Magnetic Resonance in Medicine 4 "SYS-Flash. Systemic Saturation in Flash MR Imaging", pp. 302-305 (1987).
Pattany, Pradip M. et al., Journal of Computer Assisted Tomography, "Motion Artifact Suppression Technique (MAST) For MR Imaging", pp. 369-377 (May/Jun. 1987).
Pykett, Ian L., Scientific American, "NMR Imaging in Medicine" vol. 246, No. 5, pp. 78-88 (May, 1982).

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