Local coil matrix and methods for image acquisition
AssigneeSiemens Healthcare GmbH
InventorStefan Popescu
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Abstract
A local coil matrix and a method are provided for image acquisition with a magnetic resonance tomography unit. The local coil matrix includes a plurality of coil windings. In magnetic resonance imaging, a predetermined region of a patient arranged in the vicinity of the local coil with selectable differently-sized sensitivity ranges is acquired and/or excited. An image is reconstructed from the magnetic resonance signals acquired with the local coil matrix.
Claims16
A local coil matrix for image acquisition with a magnetic resonance tomography unit, the local coil matrix comprising:
- a plurality of coil windings;
- wherein the local coil matrix is configured, during magnetic resonance imaging, to acquire, excite, or acquire and excite a predetermined region of a patient arranged in the vicinity of the local coil matrix with selectable differently sized sensitivity ranges.
A method for image acquisition with a magnetic resonance tomography unit with a local coil matrix, the method comprising:
- transmitting a first excitation pulse, wherein a first set of first coil windings is resonant at a frequency of the first excitation pulse;
- encoding spins by gradient coils;
- receiving magnetic resonance signals by a second set of first coil windings, second coil windings, or first coil windings and second coil windings;
- transmitting a second excitation pulse, wherein a third set of first coil windings is resonant at a frequency of the first excitation pulse;
- encoding the spins by the gradient coils;
- and
- receiving magnetic resonance signals by a fourth set of first coil windings, second coil windings, or first coil windings and second coil windings,
- wherein the first set of first coil windings is different than the third set of first coil windings.
A method for image acquisition with a magnetic resonance tomography unit with a local coil matrix, the method comprising:
- transmitting a first excitation pulse;
- encoding spins by gradient coils;
- receiving magnetic resonance signals by a second set of first coil windings, second coil windings, or first coil windings and second coil windings;
- transmitting a second excitation pulse;
- encoding the spins by the gradient coils;
- and
- receiving magnetic resonance signals by a fourth set of first coil windings, second coil windings, or first coil windings and second coil windings,
- wherein the second set of first coil windings, second coil windings, or first coil windings and second coil windings is different than the fourth set of first coil windings, second coil windings, or first coil windings and second coil windings.
Dependencies are inferred from the claim text.