Magnetic resonance imaging (MRI) using fast spin echo (FSE) imag

Details Magnetic resonance imaging (MRI) using fast spin echo (FSE) imag Magnetic resonance imaging (MRI) using fast spin echo (FSE) imag

Filed on

1997-04-25

Date issued

2000-02-15

Examiner

Oda, Christine

Patent Class

Electricity: measuring and testing

SubClass

Particle precession resonance

SubSubClass

Using a nuclear resonance spectrometer system

Other Related Categories

324306, 324307, 600410, G01V 300

Type

Patent

Status

active

Patent number

060257148

Description

ABSTRACT:
A magnetic resonance imaging sequence synergistically combines Half Fourier Transform complex conjugation with shared echo imaging. The Half Fourier Transform complex conjugation reduces data acquisition time and permits the data acquisition per scan to be accomplished with a single RF transmission loop. The shared echo imaging provides multiple images of an image plane from a single scan, yet with different contrast and a larger number of slices. In an alternative embodiment, phase correction is provided between the non-shared echo responses.

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patent: 5270654 (1993-12-01), Feinberg
patent: 5329231 (1994-07-01), Hatta et al.
patent: 5557204 (1996-09-01), Lenz
Lenz, G.W., "Dual Contrast Turbose Sequence Optimized For Low Field Strength," Medical Engineering Group, Siemens AG, Erlangen, Germany, SMRM, 1994, p. 779.
Low, et al., "Fast Spin-Echo MR Imaging Of The Abdomen: Contrast Optimization and Artifact Reduction," SMR, 1994, vol. 4, No. 5, JMRI, pp. 637-645.
Avram et al., "Conjugation and Hybrid MR Imaging," Radiology 1993; 189:891-895.
Vinitski, et al., "Conventional and Fast Spin-Echo MR Imaging: Minimizing Echo Time," JMRI 1993; 3:501-511.

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