Localized pulsed superconductive MRI system

Details Localized pulsed superconductive MRI system Localized pulsed superconductive MRI system

1996-10-28

1998-11-10

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01V 300

Patent

active

058359958

ABSTRACT:
A pulsed strong magnetic field, created with a superconductive coil, is applied to a selected region of the anatomy. Following the pulse a relatively low readout field is used along with a set of spatially orthogonal gradient fields parallel to the readout field. The readout field is chosen such that the noise arises primarily from body losses, and results in negligible susceptibility effects. Following excitation, the resultant signals from the precessing moments are detected, processed and used to make magnetic resonance images of the object. The field pulsing is made efficient using energy recovery.

REFERENCES:
patent: 4573015 (1986-02-01), Abe et al.
patent: 5057776 (1991-10-01), Macovski
patent: 5629624 (1997-05-01), Carlson et al.

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