Method for producing physical gradient waveforms in magnetic res

Details Method for producing physical gradient waveforms in magnetic res Method for producing physical gradient waveforms in magnetic res

1997-12-04

1999-12-28

Oda, Christine

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324318, 324307, 600425, G01V 300

Patent

active

060086483

ABSTRACT:
An MRI system produces magnetic field gradients along physical axes during a patient scan. The gradients are specified as logical gradient waveforms in a pulse sequence and these are stored in a logical vector table. A physical vector table is produced by rotating amplitude values in the logical vector table, and the resulting rotated amplitude values are used to calculate the heating in each gradient axis of the MRI system.

REFERENCES:
patent: 4322684 (1982-03-01), Hounsfield
patent: 4510448 (1985-04-01), Riedl
patent: 4743851 (1988-05-01), Lim et al.
patent: 4952877 (1990-08-01), Stormont et al.
patent: 5399969 (1995-03-01), Berstein

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