Abstract: A breast imaging apparatus includes a gantry which includes a radiation generation unit configured to generate a radiation and a radiation detection unit configured to detect the radiation generated from the radiation generation unit, and a support leg portion configured to support the gantry on a floor. The radiation generation unit and the radiation detection unit are capable of rotating in a state where the radiation generation unit and the radiation detection unit face each other. The support leg portion has a recess portion to insert feet of a subject.

Abstract: A radiation CT apparatus includes a rotation unit configured to rotate about a rotation axis, a radiation generation unit and a radiation detector which are fixed on either side of the rotation axis in the rotation unit, and a gantry cover containing the radiation generation unit and the radiation detector and including a breast insert portion configured to insert a breast of an object. An opening portion that can be opened and closed is placed on the gantry cover of the radiation CT apparatus. The radiation generation unit and the radiation detector are stopped to form a space that allows a user to access the breast insert portion from the opening portion.

Abstract: A breast imaging apparatus, capable of performing mammogram imaging and CT imaging by a radiation imaging unit that holds a radiation generation unit and a radiation detection unit configured to detect radiation irradiation from the radiation generation unit such that the radiation generation unit and the radiation detection unit face each other, includes: a housing elevating unit configured to vertically move a housing support unit configured to support the radiation imaging unit; and a control unit configured to control the vertical movement of the housing elevating unit based on an imaging type that is one of mammogram imaging and CT imaging.

Abstract: A breast imaging apparatus includes a radiation imaging unit capable of performing mammogram imaging and CT imaging. The breast imaging apparatus includes: a cover detection unit configured to detect a state of a cover that separates an object from the radiation imaging unit; and a control unit configured to switch between the mammogram imaging and the CT imaging based on the state.

Abstract: A dynamic diagnosis support information generation system includes: a radiation generator capable of irradiating a pulsed radiation; a radiation detector which is provided with a plurality of detecting elements arranged in two-dimension, detects the pulsed radiation irradiated from the radiation generator at each of the plurality of detecting elements and generates frame images successively; and an analysis section which calculates and outputs a feature value relating to a dynamic image of a subject based on a plurality of frame images generated by radiographing the subject by using the radiation generator and the radiation detector, wherein the analysis section calculates the feature value relating to the dynamic image of the subject by corresponding pixels to each others representing outputs of a detecting element at a same position in the radiation detector among the plurality of the frame images.

Abstract: A movable X-ray generation apparatus includes an X-ray tube configured to perform irradiation with X-rays, an arm configured to support the X-ray tube, a cart unit configured to support and move the arm, and a monitor mounted on the upper portion of the cart unit. The movable X-ray generation apparatus includes a first member configured to support the monitor to be pivotable about a first rotation axis, and a second member configured to support the first member to be pivotable about a second rotation axis different from the first rotation axis with respect to the cart unit. At least one of the first rotation axis and the second rotation axis provides a rotation axis parallel to the display surface of the monitor and perpendicular to a moving surface on which the cart unit moves.

Abstract: An evaluation method for a radiographing apparatus according to the present invention includes an imaging step of imaging a plurality of base phantoms, each of the base phantoms corresponding to a different imaging system and combined with a common evaluation region, and an evaluation step of performing evaluation among the different imaging systems based on an image in which the common evaluation region has been imaged in the imaging step.

Abstract: Provided is a thoracic diagnosis assistance system. The system includes, an imaging unit, an extracting unit, a region dividing unit, an analysis unit and a display unit. The extraction unit extracts a lung field region from the plurality of successive image frames generated by the imaging unit. The region dividing unit divides the lung field region extracted by the extraction unit into a plurality of sub-regions and correlates the sub-regions among the plurality of image frames. The analysis unit performs an analysis of the sub-regions to calculate an inspiratory feature quantity and an expiratory feature quantity and to calculate a value of a ratio of the calculated inspiratory feature quantity to expiratory feature quantity and creates a histogram of the calculated ratio value. The display unit displays the histogram.

Abstract: A chest diagnostic support information generation system includes: a radiography section which radiographs a chest portion of a subject; an image analysis section which generates a diagnostic support information based on an image data generated by the radiography section; and a display which displays the diagnostic support information, wherein the radiography section obtains a plurality of frame images which show a motion state of the chest of the subject, and the image analysis section includes: a breathing information generation section which generates the diagnostic support information relating to breathing of the subject based on a difference value of the pixel or the block corresponded with each other between image frames temporally adjacent among the plurality of frame images; and a blood flow information generation section which generates the diagnostic support information relating to blood flow of the subject based on a generated output signal wave form.

Abstract: Provided is a diagnosis assistance system. The system includes, an imaging unit, an analysis unit, an operation unit, and a display unit. The analysis unit extracts a subject region from each of the plurality of image frames generated by the imaging unit, divides the extracted subject region into a plurality of regions, and analyzes the divided regions correlated among the plurality of image frames, thereby calculating a predetermined feature quantity indicating motions of the divided regions. The operation unit allows a user to select a region serving as a display target of an analysis result by the analysis unit. The display unit displays the calculated feature quantity regarding the selected region.

Abstract: Provided is a thoracic diagnosis assistance system. The system includes, an imaging unit, an extracting unit, a region dividing unit, an analysis unit and a display unit. The extraction unit extracts a lung field region from the plurality of successive image frames generated by the imaging unit. The region dividing unit divides the lung field region extracted by the extraction unit into a plurality of sub-regions and correlates the sub-regions among the plurality of image frames. The analysis unit performs an analysis of the sub-regions to calculate an inspiratory feature quantity and an expiratory feature quantity and to calculate a value of a ratio of the calculated inspiratory feature quantity to expiratory feature quantity and creates a histogram of the calculated ratio value. The display unit displays the histogram.

Abstract: Provided is a thoracic diagnosis assistance system. The system includes, an imaging unit, an extracting unit, a region dividing unit, an analysis unit and a display unit. The extraction unit extracts a lung field region from the plurality of successive image frames generated by the imaging unit. The region dividing unit divides the lung field region extracted by the extraction unit into a plurality of sub-regions and correlates the sub-regions among the plurality of image frames. The analysis unit performs an analysis of the sub-regions to calculate an inspiratory feature quantity and an expiratory feature quantity and to calculate a value of a ratio of the calculated inspiratory feature quantity to expiratory feature quantity and creates a histogram of the calculated ratio value. The display unit displays the histogram.

Abstract: A dynamic diagnosis support information generation system includes: a radiation generator capable of irradiating a pulsed radiation; a radiation detector which is provided with a plurality of detecting elements arranged in two-dimension, detects the pulsed radiation irradiated from the radiation generator at each of the plurality of detecting elements and generates frame images successively; and an analysis section which calculates and outputs a feature value relating to a dynamic image of a subject based on a plurality of frame images generated by radiographing the subject by using the radiation generator and the radiation detector, wherein the analysis section calculates the feature value relating to the dynamic image of the subject by corresponding pixels to each others representing outputs of a detecting element at a same position in the radiation detector among the plurality of the frame images.

Abstract: A movable X-ray generation apparatus includes an X-ray tube configured to perform irradiation with X-rays, an arm configured to support the X-ray tube, a cart unit configured to support and move the arm, and a monitor mounted on the upper portion of the cart unit. The movable X-ray generation apparatus includes a first member configured to support the monitor to be pivotable about a first rotation axis, and a second member configured to support the first member to be pivotable about a second rotation axis different from the first rotation axis with respect to the cart unit. At least one of the first rotation axis and the second rotation axis provides a rotation axis parallel to the display surface of the monitor and perpendicular to a moving surface on which the cart unit moves.

Abstract: There is provided a portable X-ray diagnostic apparatus. The X-ray diagnostic apparatus comprises an X-ray generation unit configured to generate X-rays, a display unit configured to display information about X-ray imaging by the X-ray generation unit, a column including a shaft extending in a first direction and configured to be rotatable about the shaft, a cart on which the display unit and the column are set, and an extendable boom configured to support the X-ray generation unit and extend in a second direction crossing the first direction, the boom obtaining, when storing the X-ray generation unit, a length to store the X-ray generation unit between the display unit and the column.

Abstract: Provided is a thoracic diagnosis assistance system. The system includes, an imaging unit, an extracting unit, a region dividing unit, an analysis unit and a display unit. The extraction unit extracts a lung field region from the plurality of successive image frames generated by the imaging unit. The region dividing unit divides the lung field region extracted by the extraction unit into a plurality of sub-regions and correlates the sub-regions among the plurality of image frames. The analysis unit performs an analysis of the sub-regions to calculate an inspiratory feature quantity and an expiratory feature quantity and to calculate a value of a ratio of the calculated inspiratory feature quantity to expiratory feature quantity and creates a histogram of the calculated ratio value. The display unit displays the histogram.

Abstract: Provided is a diagnosis assistance system. The system includes, an imaging unit, an analysis unit, an operation unit, and a display unit. The analysis unit extracts a subject region from each of the plurality of image frames generated by the imaging unit, divides the extracted subject region into a plurality of regions, and analyzes the divided regions correlated among the plurality of image frames, thereby calculating a predetermined feature quantity indicating motions of the divided regions. The operation unit allows a user to select a region serving as a display target of an analysis result by the analysis unit. The display unit displays the calculated feature quantity regarding the selected region.

Abstract: A chest diagnostic support information generation system includes: a radiography section which radiographs a chest portion of a subject; an image analysis section which generates a diagnostic support information based on an image data generated by the radiography section; and a display which displays the diagnostic support information, wherein the radiography section obtains a plurality of frame images which show a motion state of the chest of the subject, and the image analysis section includes: a breathing information generation section which generates the diagnostic support information relating to breathing of the subject based on a difference value of the pixel or the block corresponded with each other between image frames temporally adjacent among the plurality of frame images; and a blood flow information generation section which generates the diagnostic support information relating to blood flow of the subject based on a generated output signal wave form.

Abstract: A dynamic diagnosis support information generation system includes: a radiation generator capable of irradiating a pulsed radiation; a radiation detector which is provided with a plurality of detecting elements arranged in two-dimension, detects the pulsed radiation irradiated from the radiation generator at each of the plurality of detecting elements and generates frame images successively; and an analysis section which calculates and outputs a feature value relating to a dynamic image of a subject based on a plurality of frame images generated by radiographing the subject by using the radiation generator and the radiation detector, wherein the analysis section calculates the feature value relating to the dynamic image of the subject by corresponding pixels to each others representing outputs of a detecting element at a same position in the radiation detector among the plurality of the frame images.

Abstract: A glass composition contains PbO of 67 to 74 weight %, SiO.sub.2 of 11 to 20 weight %, B.sub.2 O.sub.3 of 3 to 8 weight %, TeO.sub.2 of 3 9 weight %, Na.sub.2 O of 0 to 3 weight %, and ZrO.sub.2 of 1 weight % smaller (except 0). A magnetic head according to the present invention includes a gap forming material, a spacing filling material, a bonding material, or an insulating material for a magnetic head. The gap forming material, the spacing filling material, the bonding material, or the insulating material is made of a glass composition containing PbO of 67 to 74 weight %, SiO.sub.2 of 11 to 20 weight %, B.sub.2 O.sub.3 of 3 to 8 weight %, TeO.sub.2 of 3 to 9 weight %, Na.sub.2 O of 0 to 3 weight %, and ZrO.sub.2 of 1 weight % or smaller (except 0).