Systems and methods for magnetic resonance imaging
First Claim
Patent Images
1. A method for operating an MRI system, comprising:
- providing a diffusion-prepared driven-equilibrium preparation for an imaging volume; and
acquiring 3-dimensional k-space data from said imaging volume by a plurality of echoplanar readouts of stimulated echoes.
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Abstract
Methods and apparatus for operating an MRI system is provided. The disclosure provides a diffusion-prepared driven-equilibrium preparation for an imaging volume and acquiring 3-dimensional k-space data from said prepared volume by a plurality of echoplanar readouts of stimulated echoes. An excitation radio-frequency signal and first and second inversion RF signals are provided to define a field-of-view (FOV).
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Citations
40 Claims
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1. A method for operating an MRI system, comprising:
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providing a diffusion-prepared driven-equilibrium preparation for an imaging volume; and
acquiring 3-dimensional k-space data from said imaging volume by a plurality of echoplanar readouts of stimulated echoes. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for interleaved MR imaging, comprising:
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providing an excitation radio-frequency (RF) signal;
providing first and second inversion RF signals to define a field-of-view (FOV). - View Dependent Claims (8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26)
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14. A control system for an MRI apparatus, comprising:
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a control component configured to generate one or more instructions for;
providing a diffusion-prepared driven-equilibrium preparation for an imaging volume; and
acquiring 3-dimensional k-space data from said prepared volume by a plurality of echoplanar readouts of stimulated echoes.
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20. A control system for an MRI apparatus, comprising:
a control component configured to generate one or more instructions for;
providing an excitation radio-frequency (RF) signal;
providing first and second inversion RF signals to define a field-of-view (FOV).
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27. A method for correcting a motion artifact during MR imaging, comprising:
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acquiring navigation data substantially together with imaging data;
determining whether to re-acquire said imaging data based on said navigation data; and
re-acquiring said imaging data based on said determination. - View Dependent Claims (28, 29, 30, 31, 32, 33)
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34. A system for correcting a motion artifact during MR imaging, comprising:
a control component configured to generate one or more instructions for;
acquiring navigation data substantially together with imaging data;
determining whether to re-acquire said imaging data based on said navigation data; and
re-acquiring said imaging data based on said determination. - View Dependent Claims (35, 36, 37, 38, 39, 40)
Specification