Abstract: According to an X-ray imaging device for performing CT imaging, a main body control section controls at least one of an X-ray revolution plane formed by an X-ray cone beam along with the revolution of a revolving arm and a revolution range of the revolving arm in accordance with a CT imaging area accepted by an imaging area setting screen. Such control is performed in order to decrease X-ray radiation to a high sensitivity site in the area that revolves during the CT imaging, the high sensitivity site being positionally set in a biological body as a site that is sensitive to X-rays.

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.

Abstract: Provided are an improved three-dimensional synthetic tissue, a composite tissue thereof, and a production method of the same. The present invention provides: an implantable synthetic tissue substantially made of a mesenchymal stem cell induced from a pluripotent stem cell or an equivalent cell thereof, and an extracellular matrix derived from the cell; a composite tissue for treating or preventing a disease, disorder, or condition associated with an osteochondral defect, comprising a synthetic tissue and an artificial bone, wherein the artificial bone is smaller in size than a depth of a defect of a bone section in the osteochondral defect; and a production method of the same.

Abstract: Provided is an image diagnostic device with which it is possible to correct location misalignment of an image capture subject, and to improve the reliability of the result of the correction, in time series image data. An image diagnostic device may include an input part (13) which receives image data input; a correction unit (14) which computes a correction vector which denotes location misalignment of an image capture subject, and selects image data used with an image correction unit; an image correction part (20) which carries out a correction process on the image data based on the correction vector and creates corrected image data; a control part (21) which controls the correction unit and the image correction part; a memory (22) which stores the corrected image data and measurement data as stored data; an output unit (23) which outputs the stored data externally; a display unit (24) which displays the stored data; and an external input device (30) where an operator makes an input operation.

Abstract: An ultrasonic diagnostic device and image display method display an inflow time map representing relative differences in blood flow dynamics such as inflow of a contrast agent, including extracting a vessel and constructing a noise-less inflow time map, and, in the comparison of differences in color between the constructed inflow time map and the past inflow time map, unifying the color of regions as a base. A TIC analysis unit calculates a parameter (t?) indicating an inflow starting time of a contrast agent and a difference of brightness ?I due to the contrast agent using image data in a range designated by an image detection unit. A first pixel selection unit extracts a pixel and removes a non-contrast-enhanced region. An image construction unit constructs an inflow time map colored according to t?, and a second pixel selection unit extracts a vessel using a histogram based on ?I.

Abstract: An ultrasonic diagnostic apparatus and a method having a highly-reliable elastic evaluation unit for tissues. The invention includes a signal processing unit that processes received data obtained after ultrasonic waves are transmitted and received to/from an inspection target through a probe. An ROI detection unit of the processing unit obtains a distance index indicating a region proper for an elastic evaluation based on brightness distribution of the received data obtained by transmitting and receiving first ultrasonic waves to/from the probe, and sets an ROI based on the distance index. Then, second ultrasonic waves are transmitted to the ROI to generate shear waves. An elastic evaluation unit calculates a shear wave velocity based on received data obtained by transmitting and receiving third ultrasonic waves in the ROI, and outputs the shear wave velocity and an elastic evaluation value of the ROI as a reliability index.

Abstract: An ultrasonic diagnostic apparatus and a method having a highly-reliable elastic evaluation unit for tissues. The invention includes a signal processing unit that processes received data obtained after ultrasonic waves are transmitted and received to/from an inspection target through a probe. An ROI detection unit of the processing unit obtains a distance index indicating a region proper for an elastic evaluation based on brightness distribution of the received data obtained by transmitting and receiving first ultrasonic waves to/from the probe, and sets an ROI based on the distance index. Then, second ultrasonic waves are transmitted to the ROI to generate shear waves. An elastic evaluation unit calculates a shear wave velocity based on received data obtained by transmitting and receiving third ultrasonic waves in the ROI, and outputs the shear wave velocity and an elastic evaluation value of the ROI as a reliability index.

Abstract: There is provided an ultrasonic diagnostic apparatus capable of measuring hardness information of a subject with high time resolution and spatial resolution. The apparatus is provided with a ultrasonic probe 1 and a displacement generation unit 10 configured to displace an inside of a subject and is configured to transmit an ultrasonic beam for displacement detection to a plurality of detection positions of the subject from the ultrasonic probe 1, and to detect a shear wave velocity based on the displacement at the plurality of detection positions in a control unit 3 by using a reflection signal detected in a detection unit 20, thereby outputting hardness information of the subject. The ultrasonic beam for displacement detection is transmitted to one of the plurality of detection positions.

Abstract: An X-ray CT apparatus including an X-ray generator, an X-ray detector, a support part, and a base that rotatably supports the support part. The support part includes an exterior part made of carbon fiber reinforced plastic, and the X-ray generator and the X-ray detector are supported by the exterior part while being opposed to each other. The base rotatably supports the support part such that the X-ray generator and the X-ray detector turn about a turning axis.

Abstract: Provided is an ultrasonic diagnostic apparatus configured to perform speed measurement while lessening the influence of the wave surface feature and scattering resulting from the shear wave propagation, which transmits burst wave as first ultrasonic wave to the subject from the probe 11 and ultrasonic transmission-reception section 13 to apply radiation pressure. The track pulse wave as the second ultrasonic wave is transmitted to and received from the subject to detect displacement of medium in the subject resulting from the shear wave propagation in the subject at the radiation pressure. The elasticity evaluation section 17 of the controller 12 measures the first arrival time at the first depth and the second arrival time at the second depth of the shear wave with the single track pulse wave at the predetermined angle ?(?0) to the subject depth direction using the data received from the ultrasonic transmission-reception section 13.

Abstract: Provided is an ultrasonic diagnostic apparatus provided with an elasticity evaluation technology that an error caused by a tissue structure has been reduced. The ultrasonic diagnostic apparatus that measures a velocity of a shear wave that propagates in a test object by utilizing an ultrasonic wave to evaluate elasticity of the aforementioned test object transmits and receives a first ultrasonic wave to the test object to detect a position and a size of the tissue structure of the test object and to automatically decide a measurement region except the tissue structure, transmits a second ultrasonic wave to the measurement region to make it generate the shear wave, and transmits and receives a third ultrasonic wave to the measurement region to measure an amount of displacement in association with propagation of the shear wave and to calculate the shear wave velocity by utilizing this displacement amount.

Abstract: An X-ray photography apparatus including: a turning arm that supports an X-ray generator and an X-ray detector while the X-ray generator and the X-ray detector are opposed to each other so that a head of a patient can be interposed therebetween; and a moving mechanism that turns the turning arm about a turning axis with respect to the head and moves the turning arm in a direction perpendicular to the turning axis with respect to the head. The X-ray photography apparatus further includes: an image processor that generates an X-ray image based on an electric signal output from the X-ray detector; and a photographic region designation receiving part that designates part of a row of teeth along a dental arch as a pseudo intraoral radiography region. The image processor generates plural tomographic images by applying convolution and filtered back projection to X-ray image data obtained by pseudo intraoral radiography.

Abstract: An X-ray photography apparatus including: a turning arm that supports an X-ray generator and an X-ray detector which are opposed to each other so that the head of a patient can be interposed therebetween, and a moving mechanism that includes a turning part and a moving part. The turning part turns the turning arm about a turning axis with respect to the head. The moving part moves the turning arm relative to the head in a direction perpendicular to the turning axis. The X-ray photography apparatus also includes: an image processor that generates an X-ray image, a photographic region designation part that designates part of a row of teeth along a dental arch as a pseudo intraoral radiography region, and an X-ray forming mechanism that changes the irradiation direction in which the head is irradiated with an X-ray relative to the axial direction of the body axis of the patient.

Abstract: An ultrasonic diagnostic apparatus and a method having a highly-reliable elastic evaluation unit for tissues. The invention includes a signal processing unit that processes received data obtained after ultrasonic waves are transmitted and received to/from an inspection target through a probe. An ROI detection unit of the processing unit obtains a distance index indicating a region proper for an elastic evaluation based on brightness distribution of the received data obtained by transmitting and receiving first ultrasonic waves to/from the probe, and sets an ROI based on the distance index. Then, second ultrasonic waves are transmitted to the ROI to generate shear waves. An elastic evaluation unit calculates a shear wave velocity based on the received data obtained by transmitting and receiving third ultrasonic waves in the ROI, and outputs the shear wave velocity and an elastic evaluation value of the ROI as a reliability index.

Abstract: When subject tissue such as a living body is a viscoelastic body, a shear wave propagation velocity is changed according to the frequency of a shear wave. An ultrasonic diagnostic apparatus applies a displacement generating transmission beam from an ultrasound probe based on a signal from a displacement generating unit to generate a shear wave, applies a pulse wave to the biological tissue by a displacement detecting unit, detects the particle velocity of the shear wave, estimates a viscosity parameter from a temporal extent of a waveform of the particle velocity of the shear wave detected at a viscoelasticity analyzing unit, and displays the estimated viscoelasticity on a display unit.

Abstract: An improved method of treating an osteochondral defect is provided, which is a composite tissue for treating or preventing a disease, disorder, or condition associated with an osteochondral defect, comprising a three-dimensional synthetic tissue and an artificial bone, wherein the three-dimensional synthetic tissue is substantially made of a cell and an extracellular matrix derived from the cell, the extracellular matrix contains fibronectin, collagen I, collagen III, and vitronectin, and the extracellular matrix is diffusedly distributed in the tissue.

Abstract: An ultrasonic diagnostic apparatus is provided for displaying a color map on which a difference in blood flow dynamics is reflected. Setting a test subject who is administered a contrast agent is assumed as an imaging target, and a probe transmits and receives ultrasonic waves to and from the target for contrast imaging. Image data is constructed based on signals received by the probe and a time-intensity curve is generated from intensity values of the image data. According to the time-intensity curve, a value of a predetermined parameter is calculated for producing a distribution image of blood flow dynamics. The distribution image (color map) of the blood flow dynamics is produced from the parameter value. The color map is a two-dimensional or a three-dimensional image being color-coded according to the parameter value.

Abstract: resistance switching device having a high resistance variation ratio, an excellent response characteristic, an excellent resistance memory characteristic (retention characteristics) and an excellent repeat resistance. The resistance switching device comprises an n-type oxide semiconductor and first and second electrodes which are disposed so as to interpose at least a part of the n-type oxide semiconductor therebetween wherein a Schottky junction which provides resistance variation/memory characteristics by the application of voltage having different polarities between the first and second electrodes is formed at an interface between the n-type oxide semiconductor and the first electrode; and the first electrode is positioned such that it is in contact with the n-type oxide semiconductor, and has a lower layer which is formed from Au oxide or a Pt oxide or Au or Pt containing oxygen having the thickness of 1-50 nm.

Abstract: A diagnostic imaging apparatus for imaging information changing with time and displaying it in real time, composed of an ultrasonic probe (2), having piezoelectric elements arranged in an array form that transmit ultrasonic waves to a target object (1) and acquires a reflection signal from the target object; a body movement measuring unit (12) that constitutes a two-dimensional ultrasonic image using the reflection signal acquired by the ultrasonic probe, sets, in the image plane, a plurality of measuring areas used for measuring the body movement of the target object, and measures the body movement and deformation amounts in the measuring areas; and an image accumulating (subtracting) unit for accumulating or subtracting images using body movement measured by the body movement measurement unit.

Abstract: According to an X-ray imaging device for performing CT imaging, a main body control section controls at least one of an X-ray revolution plane formed by an X-ray cone beam along with the revolution of a revolving arm and a revolution range of the revolving arm in accordance with a CT imaging area accepted by an imaging area setting screen. Such control is performed in order to decrease X-ray radiation to a high sensitivity site in the area that revolves during the CT imaging, the high sensitivity site being positionally set in a biological body as a site that is sensitive to X-rays.