Actively shielded transverse gradient coil for nuclear magnetic

Details Actively shielded transverse gradient coil for nuclear magnetic Actively shielded transverse gradient coil for nuclear magnetic

1995-06-20

1996-04-30

Tokar, Michael

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324318, 1286532, G01R 3320

Patent

active

055128289

ABSTRACT:
An actively shielded transverse gradient coil arrangement contains a primary coil and a secondary coil that are arranged at a radial spacing from one another. Turns of the primary coil and the secondary coil disposed farther from the center of the examination volume in an axial direction of the gradient coil arrangement have a smaller radial spacing from one another than do turns lying close to the center. The parasitic flux density can thus be minimized. This is particularly important in EPI sequences for avoiding physiological stimulations in the examination subject.

REFERENCES:
patent: 3309107 (1994-05-01), Pausch
patent: 5296810 (1994-03-01), Morich
patent: 5343148 (1994-08-01), Westphal et al.
patent: 5349296 (1994-09-01), Cikotte et al.
patent: 5414360 (1995-05-01), Westphal et al.
patent: 5416414 (1995-05-01), Mansfield et al.
patent: 5457387 (1995-10-01), Patrick et al.

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