Abstract: Radio-frequency (RF) traps and methods of common-mode energy damping are provided. One RF trap includes a body and a shutter holder rotatably coupled within the body, wherein the shutter holder is configured to rotate within the body about a longitudinal axis. The RF trap further including a magnetic flux shutter coupled to the shutter holder, wherein the magnetic flux shutter rotates within the body with the shutter holder to align the magnetic flux shutter at an angle within the body.

Abstract: A radio frequency (RF) coil array includes a first coil section and a second coil section mechanically coupled to the first coil section. The first coil section includes a first row of a plurality of double asymmetric saddle coil pairs arranged in a left-right direction and a second row of a plurality of double asymmetric saddle coil pairs arranged in a left-right direction. The first row and the second row are arranged along a superior-inferior direction. The second coil section includes a plurality of loop coils arranged around at least a portion of a perimeter of the first coil section.

Abstract: Radio-frequency (RF) traps and methods of common-mode energy damping are provided. One RF trap includes a body and a shutter holder rotatably coupled within the body, wherein the shutter holder is configured to rotate within the body about a longitudinal axis. The RF trap further including a magnetic flux shutter coupled to the shutter holder, wherein the magnetic flux shutter rotates within the body with the shutter holder to align the magnetic flux shutter at an angle within the body.

Abstract: A radio frequency (RF) coil array includes a plurality of RF coil sections arranged in a superior-inferior direction. Each RF coil section includes a first linear coil element, a loop-saddle coil quadrature pair and a second linear coil element configured in an overlapping arrangement in a left-right direction. The position of the first linear coil element and the second linear coil element on the left and right may be shifted in the superior-inferior direction with respect to the center loop-saddle coil quadrature pair.

Abstract: A radio frequency (RF) coil array includes a first coil section and a second coil section mechanically coupled to the first coil section. The first coil section includes a first row of a plurality of double asymmetric saddle coil pairs arranged in a left-right direction and a second row of a plurality of double asymmetric saddle coil pairs arranged in a left-right direction. The first row and the second row are arranged along a superior-inferior direction. The second coil section includes a plurality of loop coils arranged around at least a portion of a perimeter of the first coil section.

Abstract: A radio frequency (RF) coil array includes a plurality of RF coil sections arranged in a superior-inferior direction. Each RF coil section includes a plurality of asymmetric saddle coil pairs configured in an overlapping arrangement in a left-right direction. The plurality of asymmetric saddle coil pairs may include three asymmetric saddle coil pairs arranged in a left-right direction. The position of the asymmetric saddle coil pairs on the left and right may be shifted in the superior-inferior direction with respect to the middle asymmetric saddle coil pair. In an alternative configuration, each RF coil section includes a first loop coil, an asymmetric saddle coil pair and a second loop coil arranged in a left-right direction.

Abstract: A RF array coil system and method for magnetic resonance imaging are provided. The array coil system includes an anterior coil section having a main anterior coil section and at least one secondary anterior coil section removably attachable to the main anterior coil section. The array coil system further includes a posterior coil section having a main posterior coil section and at least one secondary posterior coil section removably attachable to the main posterior coil section.

Abstract: A radio frequency (RF) coil array includes a plurality of RF coil sections arranged in a superior-inferior direction. Each RF coil section includes a first linear coil element, a loop-saddle coil quadrature pair and a second linear coil element configured in an overlapping arrangement in a left-right direction. The position of the first linear coil element and the second linear coil element on the left and right may be shifted in the superior-inferior direction with respect to the center loop-saddle coil quadrature pair.

Abstract: A radio frequency (RF) coil array includes a plurality of RF coil sections arranged in a superior-inferior direction. Each RF coil section includes a plurality of asymmetric saddle coil pairs configured in an overlapping arrangement in a left-right direction. The plurality of asymmetric saddle coil pairs may include three asymmetric saddle coil pairs arranged in a left-right direction. The position of the asymmetric saddle coil pairs on the left and right may be shifted in the superior-inferior direction with respect to the middle asymmetric saddle coil pair. In an alternative configuration, each RF coil section includes a first loop coil, an asymmetric saddle coil pair and a second loop coil arranged in a left-right direction.

Abstract: A magnetic resonance imaging (MRI) array coil system and method for breast imaging are provided. The MRI array coil system includes a top coil portion with two openings configured to receive therethrough objects to be imaged. The MRI array coil system further includes a bottom coil portion having two openings configured to access from sides of the bottom coil portion the objects to be imaged. The top coil portion and bottom coil portion each have a plurality of coil elements configured to provide parallel imaging.

Abstract: A partially parallel acquisition RF coil array for imaging a sample includes at least a first, a second and a third coil adapted to be arranged circumambiently about the sample and to provide both contrast data and spatial phase encoding data.

Abstract: A partially parallel acquisition RF coil array for imaging a human head includes at least a first, a second and a third loop coil adapted to be arranged circumambiently about the lower portion of the head; and at least a forth, a fifth and a sixth coil adapted to be conformably arranged about the summit of the head. A partially parallel acquisition RF coil array for imaging a human head includes at least a first, a second, a third and a fourth loop coil adapted to be arranged circumambiently about the lower portion of the head; and at least a first and a second Figure-8 or saddle coil adapted to be conformably arranged about the summit of the head.

Abstract: A partially parallel acquisition RF coil array for imaging a human head having a summit and a lower portion includes at least a first, a second and a third quadrature coil pair adapted to be arranged circumambiently about the lower portion of the head; and at least a forth, a fifth and a sixth quadrature coil pair adapted to be conformably arranged about the summit of the head.