Nuclear magnetic resonance imaging device

Details Nuclear magnetic resonance imaging device Nuclear magnetic resonance imaging device

1986-02-24

1987-09-15

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

046942505

ABSTRACT:
In a nuclear magnetic resonance imaging device, a pulse sequence is selected and a variance or standard deviation of a calculated image for T1, T2, .rho. is determined as a function of scan parameters from the theoretical equation of signal intensity in the pulse sequence and the variance in the values for T1, T2, .rho. to be measured and the original image. Scan parameters, with which the total sum of variance or standard deviation of the calculated image takes a minimum value, are determined as optimum values. An image is obtained from the optimum scan parameters to obtain a plurality of original images. A calculated image for T1, T2, .rho. is determined, based on the original images, whereby a calculated image of high quality is simultaneously obtained.

REFERENCES:
patent: 4318044 (1982-03-01), Mansfield
patent: 4486709 (1984-12-01), Bendall
patent: 4498048 (1985-02-01), Lee et al.
patent: 4609872 (1986-09-01), O'Donnell

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