Magnetic resonance imaging system

Details Magnetic resonance imaging system Magnetic resonance imaging system

1990-08-08

1993-05-04

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01V 300

Patent

active

052085341

ABSTRACT:
A magnetic resonance imaging system includes a magnetic field applying section for applying a static field, gradient field pulses, and an RF field to an object to be examined, a signal detecting section, including a homogeneous coil and a plurality of surface coils arranged to surround a desired region of the object, for detecting magnetic resonance signals from the object through the homogeneous coil and the surface coils, and an image data processing section for obtaining an image of the desired region by synthesizing image data based on the magnetic resonance signals respectively detected by the surface coils upon weighting/adding processing. The system uses differential surface coils as the surface coils. A magnetic resonance signal is detected through the homogeneous coil within the same time interval in which magnetic resonance signals are detected through the surface coils. Weighting functions for weighting/adding processing of image data are determined on the basis of these magnetic resonance signals.

REFERENCES:
patent: 4721913 (1988-01-01), Hyde et al.
patent: 4825162 (1989-04-01), Roemer et al.
patent: 4851777 (1989-07-01), Macovski
patent: 4973907 (1990-11-01), Bergman et al.
patent: 5086275 (1992-02-01), Roemer

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