Abstract: Provided is a medical imaging apparatus that, while preventing damage of connector pins, can simultaneously connect electric connectors when a bed is mechanically docked with an apparatus main body. One coupling mechanism either on an apparatus main body side or on a bed side includes a coupling plate, and the other coupling mechanism includes a holding member that holds a coupling plate that, during coupling, respectively contacts both side surfaces of the coupling plate at two or more points, and sandwiches and holds the coupling plate from both sides. A first electric connector is mounted on the coupling plate, a second electric connector is mounted on the holding member, and an electric connector coupling mechanism that couples the first and second electric connectors is mounted on at least one of the coupling plate and the holding member in a state where the coupling plate is held by the holding member.

Abstract: The invention was made to simplify the operation relating to the detection of an absolute pressure applied to a test body by an ultrasonic probe and thereby to enhance usability.

Abstract: Provided is a narrow docking mechanism chat enables a bed and an apparatus main body to be coupled together with sufficient holding force during docking and that does not hinder access by an examiner to an object. A coupling mechanism on a bed 3 side includes a coupling plate 7 having one end fixed to the bed 3, and a coupling mechanism 50 on the main apparatus side includes a plurality of rollers 12 arranged side by side along the shape of both sides of the coupling plate 7. As the plurality of rollers 12 sandwiches and holds the coupling plate 7 from both sides, the coupling plate 7 can attach to and detach from the bed 3 by coupling the bed to the apparatus main body so as to be inserted between the arranged rollers 12.

Abstract: Smoothing processing appropriate for a subject is performed and a CT image in which artifacts are reduced is acquired. At least a part of the X-ray detecting data 171 and the projection data 174 is used to generate boundary data 175, and at least one of the X-ray detecting data and the projection data is subjected to smoothing processing, by using the boundary data as a threshold. With this configuration, it is possible to perform smoothing processing by using as the threshold, the boundary data generated from the X-ray detecting data that passed through the subject or its projection data, enabling the smoothing processing adapted to the subject, and accordingly, the artifacts are removed while suppressing deterioration of spatial resolution.

Abstract: In order to provide a technique which can suppress coupling to homogenize the spatial distribution of an RF magnetic field and can improve penetration of the RF magnetic field into the subject, pad-like electric field conductors having a predetermined area are provided outside both ends of a rung conductor as a part of a configuration which forms a loop-like circuit and is driven as an antenna. An antenna device includes a sheet-like conductor, a rung conductor which is arranged at a predetermined distance from the sheet-like conductor, two electric field conductors which are arranged in both end portions of the rung conductor at a predetermined distance from the sheet-like conductor, and connection terminals which are transmission and reception terminals provided in the rung conductor and the sheet-like conductor. The rung conductor and the sheet-like conductor configure a loop circuit which resonates at a preset frequency.

Abstract: To obtain the irradiation magnetic field distribution of each channel of a multichannel transmission RF coil at high speed, for multiple channels which are all or some of the channels of the transmission coil, an image is acquired by irradiation with one channel or a combination of two or more channels, an irradiation magnetic field distribution upon irradiation with all of the multiple channels is acquired, and the irradiation magnetic field distribution of each channel is calculated using the acquired irradiation magnetic field distribution of all of the multiple channels and the phase difference calculated from the image of each channel and the image of all of the multiple channels.

Abstract: The medical image display device is provided with a medical image reading unit configured to read a medical image obtained by a medical image diagnostic apparatus, a projected image creating unit configured to project the medical image onto a projection plane to created the projected image, and a projected image display unit configured to display the projected image, wherein the projected image creating unit has a virtual liquid generating unit configured to generate virtual liquid, the light transmittance of which is not zero and a virtual liquid adding unit configured to add the virtual liquid to the surface of an organ within the medical image, and creates a projected image of the medical image to which the virtual liquid has been added.

Abstract: Blood streams different in direction can be selectively depicted, and a blood vessel image (MRA image) which has an excellent blood vessel contrast and in which a background signal is suppressed is obtained. Therefore, the present invention sets a pre-saturation area (pre-saturation area) in an area containing at least a part of an imaging area and performs imaging in a blood vessel imaging operation using a pre-saturation pulse for pre-exciting spins.

Abstract: A weight value used for a beamforming process performed on received signals in an ultrasound imaging apparatus is obtained with a small amount of computations and with a high degree of precision, even when a method of adaptive signal processing is employed. Multiple elements 401 receive ultrasound signals from a test subject, and the similarity operator 404 obtains the similarity between the received signals x(n). By using the similarity C(n) between the received signals obtained by the similarity operator 404, the adaptive weight operator 407 computes the adaptive weight w(n) in association with the similarity. The beamforming operator 408 uses the adaptive weight w(n) and the received signal x(n) to generate a beamforming output. The imaging processor 108 uses the beamforming output to generate image data. By way of example, the similarity operator 404 performs computations of the similarity in the time direction.

Abstract: In a medical image display device for displaying a hollow organ of an examinee as a panoramic image, in order to inform an operator of the existence or nonexistence of a blind area in a panoramic image, the medical image display device has a panoramic image creating unit configured to create a panoramic image of a hollow organ of an examinee and a display unit configured to display the panoramic image, and further has a blind area detecting unit configured to detect a blind area in the panoramic image and an informing unit configured to inform an operator of the existence or nonexistence of the blind portion.

Abstract: There are provided an X-ray detector, which can reduce the deformation of a collimator plate and can be easily processed and installed, and an X-ray CT apparatus using it. The X-ray detector includes a collimator plate, and a scintillator array, a photoelectric conversion element array and a substrate that are bonded in order from the X-ray incidence direction. The collimator plate is disposed such that one of a pair of opposite sides of the collimator plate is bonded to a lower support plate bonded on the scintillator array and the other side is bonded to an upper support plate and directions of the opposite sides are the same as a rotation axis direction of an X-ray CT apparatus in which the X-ray detector is provided.

Abstract: An ultrasound image is displayed while clarifying a positional relationship with an ultrasound probe. An ultrasound diagnostic device is provided with an ultrasound probe, a first position detecting means for detecting a position of the ultrasound probe, an ultrasound image generating means for generating an ultrasound image by using a reflected echo signal, an ultrasound volume data generating means for generating three-dimensional ultrasound volume data by accumulating the ultrasound images, a reference image generating means for generating a ultrasound reference image of an arbitrary cross section by using the ultrasound volume data and displaying an ultrasound probe mark indicating the position of the ultrasound probe in a superimposed manner on a position in the ultrasound reference image, the position corresponding to the ultrasound probe position detected by the first position detecting means, and a display means for displaying the ultrasound image and the ultrasound reference image.

Abstract: The problem addressed by the invention is to always keep an imaging angle of an X-ray detector to an object constant before and after an imaging unit is moved. In order to solve the problem, a mobile X-ray diagnostic apparatus related to the present invention detects a rotation amount of a main body in a horizontal surface due to movement on a floor surface and controls rotation drive of the X-ray detector based on a detection result.

Abstract: With respect to projection data covering a plurality of sites, in order to create a medical image in which a uniform noise reduction effect is achieved for all sites within the projection data, an arithmetic device (5) determines one or more of proper subsets on the basis of scanning conditions and reconstruction conditions (step 2). Next, the arithmetic device (5) calculates a penalty-term weight for each proper subset on the basis of a detector output weight corresponding to a set element contained in the proper subset (step 3). Then, the arithmetic unit (5) performs an iterative approximation by using the penalty-term weight for each proper subset (step 4).

Abstract: A biological optical measurement instrument has a gain adjustment unit (40) configured to set the gain value according to the intensity of the passing light in the measurement data detected by the optical measurement unit (12), a gain storage unit (44) configured to store the damage gain value set by the gain adjustment unit (40) when a damaged incident optical fiber (6a) or a damaged detection optical fiber (8a) is used, a gain comparison unit (42) configured to compare the gain value set by the gain adjustment unit (40) and the damage gain value stored in the gain storage unit (44), and a damage determination unit (46) configured to determine whether or not the incident optical fiber (6a) or the detection optical fiber (8a) is damaged on the basis of the comparison result by the gain comparison unit (42). The display unit (36) displays the damage condition.

Abstract: A mobile X-ray apparatus is provided with an X-ray source, an X-ray planar detector being arranged in such a manner as opposed to the X-ray source, a support (C-shaped arm) for linking and supporting the X-ray source and the X-ray planar detector, an angle input part for inputting a rotation angle at which the X-ray planar detector is rotated within a plane including the X-ray incidence plane, a rotation controller and a rotation mechanism for rotating the X-ray planar detector according to the rotation angle being inputted, an image generator for generating an image of the test subject based on the transmitted X-rays being detected, displays for displaying the image, and an image rotor for subjecting the image being displayed on the displays to a rotation process according to an amount of the rotation of the X-ray planar detector.

Abstract: An adjustment method of a magnetic resonance imaging apparatus includes: a cooling and excitation step in which work of transporting a superconducting magnet to a facility different from a facility where the superconducting magnet is to be installed, cooling a superconducting coil of the superconducting magnet with a refrigerant, and supplying a current from an external power supply for excitation is repeated until a predetermined rated current flows; a demagnetization and transportation step of demagnetizing the superconducting coil and transporting the superconducting magnet to the facility where the superconducting magnet is to be installed in a state where the superconducting coil is cooled by the refrigerant; and an installation step of installing the superconducting magnet in the facility where the superconducting magnet is to be installed and supplying a predetermined rated current from an external power supply to the superconducting coil in order to excite the superconducting coil.

Abstract: Provided is an image diagnostic device with which the start and end of the in-flow of a contrast medium are automatically assessed. An image diagnostic device assesses the start and end times of the in-flow of a contrast medium into organs in a lifeform which is a subject. The image diagnostic device comprises: an input unit (11) which receives an input of a signal from a contrast medium which is acquired from such as an image acquisition unit (22); a luminosity evaluation unit (13) which creates a luminosity curve that denotes a change over time in signal strength; a function evaluation unit (14) which approximates the luminosity curve with an S-shaped function and creates a model function; an assessment unit (12), further comprising a circulation evaluation unit (15) which uses a tangent line at an inflection point of the model function and assesses the start and end of the in-flow of the contrast medium; and a display unit (19) which displays the result which is evaluated with the assessment unit (12).

Abstract: In order to provide a medical image diagnostic apparatus in which a mechanism for drawing a top plate into a gantry can be connected to the top plate without the collision, a pin 17 is provided in an end portion of a top plate 70, and a hook 12 that is connected to the pin 17 is provided in the connecting mechanism 82 that is moved on a top plate receiving portion. According to a position of the connecting mechanism 82 on the top plate receiving portion, the position of the hook 12 varies to connect to the pin 17.