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 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: 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.

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 a coil device capable of improving operability or durability thereof, being attached to a subject in a close contact state regardless of the size of a head of the subject, and obtaining a high-quality MRI image. The coil device includes at least one coil unit which has a coil element and a coil support portion which has a mechanism for attaching the coil unit to a head of a subject. The coil support portion includes a base portion, a support body which is connected to the base portion and has an elastic member, and a holder which connects the support body to the at least one coil unit and the holder has at least three contact points which are formed directly or indirectly with respect to the base portion.

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: The receiving coil device includes one or a plurality of receiving coils configured to cover a head of a subject, a base portion on which the head of the subject is to be placed, a holder portion supported by the base portion, one of the receiving coils being fixed to the holder portion, a mechanism portion configured to bring the receiving coil fixed to the holder portion into close contact with a part of the head, and further, a detection unit configured to detect a physical quantity related to a displacement of the holder portion on the holder portion or the base portion. The physical quantity detected by the detection unit is sent to an MRI apparatus including the receiving coil device.

Abstract: The receiving coil device includes one or a plurality of receiving coils configured to cover a head of a subject, a base portion on which the head of the subject is to be placed, a holder portion supported by the base portion, one of the receiving coils being fixed to the holder portion, a mechanism portion configured to bring the receiving coil fixed to the holder portion into close contact with a part of the head, and further, a detection unit configured to detect a physical quantity related to a displacement of the holder portion on the holder portion or the base portion. The physical quantity detected by the detection unit is sent to an MRI apparatus including the receiving coil device.

Abstract: A high-frequency array coil for an MRI apparatus includes: a plurality of coil units each of which includes a plurality of RF reception coils including a conductor loop and adjusted to receive a magnetic resonance signal; an extension conductor which includes a part of each conductor loop of each RF reception coil of the plurality of coil units and a conductor connecting the parts; and an extension conductor control circuit which adjusts a reception frequency of the extension conductor. The extension conductor is disposed so as to be wound in a spiral shape when the extension conductor is disposed on a subject and a direction of a magnetic field to be detected intersects a direction of a magnetic field detected by the RF reception coil constituting the coil unit. Accordingly, the detection efficiency of an RF coil can be increased and an image with a high SNR can be obtained.

Abstract: A flexible RF coil with excellent portability is provided. The RF coil includes a first coil, a first skeleton, and a second skeleton, the first skeleton and the second skeleton being rod shaped. The first coil includes a first loop made from a conductor that receives radio frequency signals, and a first signal detector that is inserted in series into the first loop and that detects the signals received by the first loop. The first skeleton and the second skeleton are arranged with a spacing in the short axis direction, the first signal detector is mounted on the first skeleton, and a portion of the first loop that faces the first signal detector is mounted on the second skeleton. The first loop is deformable, and the spacing between the first skeleton and the second skeleton is changeable in accordance with the deformation of the first loop.