A gradient coil having a coil body made from a cured casting compound and at least one cooler embedded in the casting compound, serving to conduct a fluid coolant, wherein the cooler and the casting compound do not adhere to each other.

A gradient coil having a coil body made from a cured casting compound and at least one cooler embedded in the casting compound, serving to conduct a fluid coolant, wherein the cooler and the casting compound do not adhere to each other.

In a method for correcting an influence of an interference effect on a gradient system of a MR apparatus during a MR scan, a gradient pulse is emitted by an amplifier of the gradient system, a gradient sequence is established, an output signal of the amplifier is captured for the gradient pulse, a transfer function is established, and an output signal of the amplifier is established such that the gradient system provides an expected gradient sequence.

A gradient coil assembly for a magnetic resonance imaging device is disclosed. The gradient coil assembly comprises a cylindrical carrier with conductors forming three gradient coils associated with three orthogonal physical gradient axes. The cylindrical carrier comprises at least two radial through openings at different angular positions. At least one of the conductors runs through at least one area of the carrier located circumferentially between the through openings.

A gradient coil assembly for a magnetic resonance imaging device is disclosed. The gradient coil assembly comprises a cylindrical carrier with conductors forming three gradient coils associated with three orthogonal physical gradient axes. The cylindrical carrier comprises at least two radial through openings at different angular positions. At least one of the conductors runs through at least one area of the carrier located circumferentially between the through openings.

According to one embodiment, an arrayed structure includes a cylindrical-shaped conductor layer and a cylindrical-shaped layer stack. The cylindrical-shaped layer stack is arranged on an inner periphery of the conductor layer and a plurality of frequency selective surfaces are arranged in layers and stacked. Each of the frequency selective surfaces has a plurality of elements which are periodically arranged. Each element of the plurality of elements is formed in such a manner that at least a portion of an edge of a first element that faces an adjacent element in the same layer is closer to a center of the first element than another portion of edge.

According to one embodiment, an arrayed structure includes a cylindrical-shaped conductor layer and a cylindrical-shaped layer stack. The cylindrical-shaped layer stack is arranged on an inner periphery of the conductor layer and a plurality of frequency selective surfaces are arranged in layers and stacked. Each of the frequency selective surfaces has a plurality of elements which are periodically arranged. Each element of the plurality of elements is formed in such a manner that at least a portion of an edge of a first element that faces an adjacent element in the same layer is closer to a center of the first element than another portion of edge.

According to one or more example embodiments, a computer-implemented method for at least partially suppressing a field emitted by a magnetic resonance device during an examination, the emitted field being at least one of an electric field or a magnetic field, the method comprises measuring a signature of the emitted field with a sensor facility; providing a trained function which is configured, based on a signature to generate a field information item relating to the emitted field upon which the respective signature is based; creating a field information item for the emitted field by inputting the signature into the trained function; and suppressing the emitted field by generating a counterfield with a transmitting facility based on the created field information item, the counterfield being at least one of an electric counterfield or a magnetic counterfield, wherein the counterfield is generated such that the counterfield least partially suppresses the emitted field.

According to one or more example embodiments, a computer-implemented method for at least partially suppressing a field emitted by a magnetic resonance device during an examination, the emitted field being at least one of an electric field or a magnetic field, the method comprises measuring a signature of the emitted field with a sensor facility; providing a trained function which is configured, based on a signature to generate a field information item relating to the emitted field upon which the respective signature is based; creating a field information item for the emitted field by inputting the signature into the trained function; and suppressing the emitted field by generating a counterfield with a transmitting facility based on the created field information item, the counterfield being at least one of an electric counterfield or a magnetic counterfield, wherein the counterfield is generated such that the counterfield least partially suppresses the emitted field.

Some embodiments of the present disclosure disclose systems and methods for robust magnetic resonance image reconstruction that can model for all or nearly all components in the magnetic resonance imaging system, that possess compressibility features to speed up reconstructions, and that can be optimized such that the reconstruction can be performed within a short period of time.