Abstract: A high-frequency coil device can maintain a distance between coils at any mounting position in an RF coil including a movable coil unit and can achieve a uniform sensitivity distribution and high sensitivity. A first coil unit configured to move along a substantially circular trajectory and a second coil unit fixed within the substantially circular trajectory are provided, the first coil unit and the second coil unit are disposed at substantially point-symmetric positions, and magnetic coupling between conductor loops provided in both the coil units is maintained substantially constant in a movable range of the first coil unit.

Abstract: Provided is an MRI apparatus that supports re-setting of an imaging condition for preventing occurrence of aliasing in a phase encoding direction. A region in which an aliasing signal causing aliasing occurs is estimated by using a FOV set at the beginning and a positioning image, a range of the FOV to be changed or a weighting amount of each channel of a reception coil is calculated based on an estimation result, and an imaging condition is changed. Thereafter, a main scan is executed, and in a case where a weight of the reception coil is changed, channel combination is performed using the changed weight.

Abstract: Provided is a weighted reconstruction technique of a channel for suppressing a blood flow artifact and a body movement artifact in imaging using a multi-channel reception coil. In a case of reconstructing an image of a subject by using a nuclear magnetic resonance signal collected by each of a plurality of channels of a reception coil, by using a positioning image, an organ or a region causing a blood flow artifact and a body movement artifact in the subject is specified, a weight of each channel is decided by using information on the specified organ or region, and weighted reconstruction is performed by using the weight.

Abstract: An RF coil array includes: a first coil unit including a first fixing belt formed of a first stretch material stretchable in a first direction and RF coils independently disposed on the first fixing belt; and a second coil unit including a second fixing belt formed of a second stretch material stretchable in the first direction and RF coils independently disposed on the second fixing belt. The first coil unit is mounted on a subject with a distal end of the first fixing belt directed from one side to the other side of the subject in the first direction, and the second coil unit is mounted on the subject with a distal end of the second fixing belt directed from the other side to the one side of the subject in the first direction such that at least a part of the second coil unit overlaps the first coil unit.

Abstract: Provided are a coil set and a trunk part coil that can easily fix a receiving coil to a subject by closely attaching the receiving coil to the subject. A coil set according to the present disclosure includes: a trunk part coil that has flexibility and in which a plurality of receiving coils that receive a nuclear magnetic resonance signal of a subject are two-dimensionally arranged; two belts that are configured separately from the trunk part coil and that fix the trunk part coil to the subject; and a length adjustment mechanism that fixes the two belts at positions of arbitrary lengths, in which the trunk part coil includes a plurality of through-holes, and the two belts are each passed through any of the plurality of through-holes, and the length adjustment mechanism adjusts lengths of the two belts to arbitrary lengths.

Abstract: Provided are a coil unit, a magnetic resonance imaging system, and a control method of the magnetic resonance imaging system, which can be used by being adjusted according to a size of a subject. A coil unit according to the present disclosure is a coil unit that is fixed to a subject by the string-like member, and includes a plurality of receive coils that receive a nuclear magnetic resonance signal of the subject, and a coil cover that has flexibility and on which the plurality of receive coils are two-dimensionally arranged, in which the coil cover has a plurality of through-holes penetrating from one surface to the other surface, the through-holes being disposed at positions corresponding to a size of the subject, into which the string-like members are inserted.

Abstract: An outer panel structure includes a front fender panel, which is an outer panel, and a charging receiver module or fuel receiver module. The front fender panel is provided at a side part of a vehicle, and includes a frame part formed therein by having a part thereof perforated in a thickness direction. The charging receiver module or fuel receiver module is inserted and fixed in the frame part. The charging receiver module or fuel receiver module includes a lid that can be opened and closed. The outer panel structure further includes a reinforcement bracket mounted to the front fender panel at a part located below an opening/closing hinge axis of the lid in terms of a vehicle height direction.

Abstract: Provided are a receive coil unit and a medical image diagnostic system capable of reducing a burden on an imaging staff. A receive coil unit includes a band member, a first connecting tool and a second connecting tool that are provided at both ends of the band member and connect the band member to a table, a receive coil that includes a plurality of coil elements receiving a nuclear magnetic resonance signal of a subject, and a hook member that is disposed on the receive coil and holds the band member so that the receive coil is slidable along the band member.

Abstract: Provided are a receive coil unit that can suppress heat transfer from a heat generation element disposed inside a coil cover to a subject and that can release heat generated from the heat generation element or the subject from between the coil cover and the subject, and a magnetic resonance imaging apparatus comprising the receive coil unit. A receive coil unit includes: a coil element that receives a signal generated from a subject; a heat generation element that is connected to the coil element; a coil cover that covers an outside of the coil element and the heat generation element; and buffer members each having a convex shape toward a subject side, the buffer members being disposed at a position overlapping a region of the heat generation element as viewed from the subject side, on a surface of the coil cover that comes into contact with the subject.

Abstract: Provided are a coil unit, a magnetic resonance imaging apparatus, and a coil unit cover that enable dissipation of heat emitted from a subject to the outside of the coil unit. A coil unit includes one or more loop-shaped coil elements, a coil unit cover which includes a first sheet covering one surface of the coil element and a second sheet covering the other surface of the coil element and in which one or more first through-holes penetrating the first sheet and the second sheet are formed, and a first fastening member that fastens an edge of the first sheet in the first through-hole and an edge of the second sheet in the first through-hole.

Abstract: Provided are a receive coil unit, a medical image diagnostic system, and a coil cover with which heat can be released from between the receive coil unit and a subject to an outside. A receive coil unit includes: a coil element that receives a nuclear magnetic resonance signal of a subject; a flexible coil cover that covers a periphery of the coil element; and a plurality of passage forming members disposed on an outer side surface of the coil cover that comes into contact with the subject, the plurality of passage forming members forming a first passage extending in a first direction and a second passage extending in a second direction different from the first direction between the subject and the coil cover.

Abstract: Provide is a coil unit capable of easily fixing a receive coil to a patient. A coil unit according to the present disclosure includes a receive coil that receives a magnetic resonance signal of an examination target, a belt member with one end side fixed to the receive coil and the other end side being a free end, and a locking member that is fixed to the receive coil and fixes the belt member at a position of any length from the one end side of the belt member, in which a user winds the belt member fixed to the receive coil around a trunk of a patient and fixes the belt member by the locking member such that the receive coil is fixed to the patient.

Abstract: In an RF coil according to the present disclosure, a first outer peripheral region formed by a plurality of elements of a first fixing belt, which is disposed on a top plate on which a subject is placed, has a tapered shape as being spaced from a first end side of the top plate, a second outer peripheral region formed by a plurality of elements of a second fixing belt, which is disposed on the top plate, has a tapered shape as being spaced from a second end side of the top plate, and the first outer peripheral region and the second outer peripheral region are disposed with phases in a longitudinal direction shifted from each other.

Abstract: Provided are a receive cable and a medical image diagnostic system capable of reducing the burden on imaging staff. A receive cable includes: a coaxial cable; a tubular shield conductor accommodating the coaxial cable and having at least one non-conductive cutout portion at an intermediate portion in the axis ? direction; and a tubular conductor overlapping with the cutout portion and a part of each of two shield conductors located on both sides of the cutout portion, and is disposed with respect to the shield conductor via a gap portion in the diameter A direction of the shield conductor.

Abstract: Provided are a receive coil unit and a medical image diagnosis system capable of reducing a burden on imaging staff. A receive coil unit includes: a receive coil of which one end side of a table, on which a subject is placed, is attached to one side portion among both side portions of the table, that has one sheet accommodating a plurality of sub coil channels, and that has a member to be locked provided on a surface of the sheet; and a fixing member that is attached to the other side portion of the table, that has a locking member locked to the member to be locked, and that fixes the receive coil to be length-adjustable by adjusting a locking position of the member to be locked with respect to the locking member.

Abstract: A camera image of a subject placed on a table for subject transport of an imaging apparatus is acquired, and the camera image is used to present an optimal disposition of equipment to be mounted on the subject from the viewpoint of image quality. Next, a camera image of the subject on which the equipment is mounted is used to determine/predict safety, such as whether or not there is a collision or entanglement between the mounted equipment or the like and a structure of the imaging apparatus or the like, and whether or not a clearance with a bore can be maintained even after the mounting, and a result is presented to an operator.

Abstract: A camera image of a subject to be examined after mounting a reception coil, which is acquired before the subject to be examined is transported to an imaging position, information for specifying a position (target position) of an imaging site of the subject to be examined, and design information of the reception coil are collated with each other, an element of the reception coil that includes the target position is selected, and a coil region to be activated, which includes the selected element, is determined. The target position is specified by a method such as a user designation on the camera image of the subject to be examined before mounting the reception coil, or a user designation on a pre-scan image. Image reconstruction is performed using a signal received by the element in the activated coil region.

Abstract: Provided is a weighted reconstruction technique of a channel for suppressing a blood flow artifact and a body movement artifact in imaging using a multi-channel reception coil. In a case of reconstructing an image of a subject by using a nuclear magnetic resonance signal collected by each of a plurality of channels of a reception coil, by using a positioning image, an organ or a region causing a blood flow artifact and a body movement artifact in the subject is specified, a weight of each channel is decided by using information on the specified organ or region, and weighted reconstruction is performed by using the weight.

Abstract: Provided is an MRI apparatus that supports re-setting of an imaging condition for preventing occurrence of aliasing in a phase encoding direction. A region in which an aliasing signal causing aliasing occurs is estimated by using a FOV set at the beginning and a positioning image, a range of the FOV to be changed or a weighting amount of each channel of a reception coil is calculated based on an estimation result, and an imaging condition is changed. Thereafter, a main scan is executed, and in a case where a weight of the reception coil is changed, channel combination is performed using the changed weight.

Abstract: A coil unit can be configured for a reception coil to avoid interference between high-frequency circuits included in the reception coil and coupling with a transmission coil and to suppress an influence of the transmission coil on the high-frequency circuit of the reception coil. A coil unit of an MRI apparatus includes a plurality of coil elements arranged in a two-dimensional direction, a wiring line connected to each coil element and configured to bundle a signal line, and baluns provided at a plurality of positions of the wiring line, in which at least a part of the wiring line runs from one end toward other end in an arrangement direction of the coil elements while being folded back in a direction oblique to the arrangement direction.