Abstract: A medical diagnostic apparatus according to an embodiment includes a contact component, a deep ultraviolet source, and a processing circuitry. The contact component has a contact region that is contacted by a subject during a medical practice. The deep ultraviolet source is provided with the contact component to irradiate the contact region with deep ultraviolet rays. The processing circuitry is configured to control the deep ultraviolet source to irradiate the contact region with deep ultraviolet rays when the medical practice is not performed.

Abstract: According to one embodiment, an X-ray mammography apparatus includes a breast support, a compression plate, and a compression controller. The breast support where the breast is placed. The compression plate is arranged such that the breast is sandwiched between the breast support and the compression plate. The compression controller is configured to control the breast support to move toward the compression plate so as to compress the breast from below between the breast support and the compression plate.

Abstract: According to one embodiment, an X-ray mammography apparatus includes a breast support, a compression plate, and a compression controller. The breast support where the breast is placed. The compression plate is arranged such that the breast is sandwiched between the breast support and the compression plate. The compression controller is configured to control the breast support to move toward the compression plate so as to compress the breast from below between the breast support and the compression plate.

Abstract: The management system of the X-ray detectors according to the embodiments detects X-rays irradiated from the X-ray generator when X-ray imaging is carried out, and includes an inspection unit and a validity period setting unit. The inspection unit inspects at least one of performance, function, and operation of an actual operation state of the X-ray detector. The validity period setting unit sets a validity period which is a criterion for determining whether the inspection results inspected are valid or not. The system is configured that the X-ray imaging is not performed on a subject when the inspection results are determined to be invalid based on the validity period.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, an X-ray detector and processing circuitry. The X-ray tube exposes an X-ray toward an object. The X-ray detector acquires two X-ray detection data sets by counting X-ray photons, having transmitted the object, in at least two X-ray energy bands depending on a K absorption edge of an X-ray absorber taken into the object. The processing circuitry is configured to input information to specify the X-ray absorber, set the at least two X-ray energy bands based on the input information to specify the X-ray absorber and generate at least one frame of X-ray image data by data processing including subtraction processing of the two X-ray detection data sets. The X-ray absorber has been depicted in the at least one frame of the X-ray image data.

Abstract: An X-ray diagnosis apparatus includes a holding device, a drive unit, a route specify unit, an operation direction detector, and a drive controller. The holding device holds an X-ray tube and is configured to be movable. The drive unit is capable of moving the holding device. The route specify unit specifies a movement route from a current position of the holding device to a target position. The operation direction detector detects operation direction, which is the direction of moving operation that the holding device has received. The drive controller controls the drive unit to stop a driving force when the operation direction differs from the direction of the movement route.

Abstract: An X-ray diagnosis apparatus includes an X-ray irradiator, a light source device, and a light emission control unit. The X-ray irradiator emits X-rays to a subject. The light source device includes a light-emitting part and a light irradiation part. The light-emitting part includes a semiconductor laser or a light-emitting diode for emitting light. The light irradiation part emits the light as output light indicating the irradiation field of the X-rays. The light emission control unit controls the light-emitting part according to the operating state of the X-ray irradiator.

Abstract: An exposure management system according to an embodiment includes a processing circuitry. The processing circuitry is configured to calculate a deviation index related to a difference between a target exposure index indicating an index of an exposure value that is set as a target of an X-ray image taking process and an image-taking-period exposure index indicating an index of an exposure value observed during the X-ray image taking process. The processing circuitry is configured to control so as to cause a display device to display history information from a predetermined time period indicating at least one selected from between image-taking-period exposure indices and deviation indices.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes an X-ray tube, a detector, an acquisition circuitry, and imaging control circuitry. The acquisition circuitry creates photon count data indicating the number of photons of the X-rays incident on the detector, for each of a plurality of energy bins for identifying a plurality of target substances, based on the detection signal output by the detector. The imaging control circuitry determines an imaging plan including at least one of a setting condition that is a condition concerning setting of a plurality of energy bins used when the acquisition circuitry creates photon count data in main imaging, and an X-ray radiation condition that is a condition concerning X-rays emitted by the X-ray tube in main imaging, based on the photon count data created by the acquisition circuitry or image data of the subject.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes an X-ray tube, a detector, an acquisition circuitry, and imaging control circuitry. The X-ray tube emits X-rays to a subject. The detector outputs a detection signal in response to incidence of the X-rays transmitted through the subject. The acquisition circuitry creates photon count data indicating the number of photons of the X-rays incident on the detector, for each of a plurality of energy bins for identifying a plurality of target substances, based on the detection signal output by the detector.

Abstract: The X-ray equipment related to the embodiment is configured from a plurality of pressure rising units, a switching unit, and a switching control unit. The plurality of pressure rising units are connected to the battery unit and generate direct current voltage. The switching unit switches over the plurality of pressure rising units and supplies direct current voltage to the X-ray generating unit. The switching control unit transmits switching instructions to the switching unit for switching over the pressure rising unit after receiving voltage supply instructions with respect to the X-ray generating unit until said voltage supply instructions terminate. The switching control unit controls discharging of the condenser inside the pressure rising unit switched over by the switching instructions and the control of commencing charging of the condenser inside the pressure rising unit following termination of discharging.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, an X-ray detector and processing circuitry. The X-ray tube exposes an X-ray toward an object. The X-ray detector acquires two X-ray detection data sets by counting X-ray photons, having transmitted the object, in at least two X-ray energy bands depending on a K absorption edge of an X-ray absorber taken into the object. The processing circuitry is configured to input information to specify the X-ray absorber, set the at least two X-ray energy bands based on the input information to specify the X-ray absorber and generate at least one frame of X-ray image data by data processing including subtraction processing of the two X-ray detection data sets. The X-ray absorber has been depicted in the at least one frame of the X-ray image data.

Abstract: An exposure management system according to an embodiment includes a processing circuitry. The processing circuitry is configured to calculate a deviation index related to a difference between a target exposure index indicating an index of an exposure value that is set as a target of an X-ray image taking process and an image-taking-period exposure index indicating an index of an exposure value observed during the X-ray image taking process. The processing circuitry is configured to control so as to cause a display device to display history information from a predetermined time period indicating at least one selected from between image-taking-period exposure indices and deviation indices.

Abstract: A photon counting type image detector has: a semiconductor cell that detects an X-ray photon; a charge amplifier that generates a plurality of electric pulses each being based on an electric charge collected in response to the detected X-ray photon; a comparator that discriminates a peak value of each of the electric pulses; a threshold logic circuit that performs control so as to count none of the peak-discriminated electric pulses corresponding to energy of characteristic X-rays produced in the semiconductor cell; and a counter that counts the discriminated electric pulses as controlled by the threshold logic circuit.

Abstract: An X-ray diagnosis apparatus includes a holding device, a drive unit, a route specify unit, an operation direction detector, and a drive controller. The holding device holds an X-ray tube and is configured to be movable. The drive unit is capable of moving the holding device. The route specify unit specifies a movement route from a current position of the holding device to a target position. The operation direction detector detects operation direction, which is the direction of moving operation that the holding device has received. The drive controller controls the drive unit to stop a driving force when the operation direction differs from the direction of the movement route.

Abstract: An X-ray diagnosis apparatus includes an X-ray irradiator, a light source device, and a light emission control unit. The X-ray irradiator emits X-rays to a subject. The light source device includes a light-emitting part and a light irradiation part. The light-emitting part includes a semiconductor laser or a light-emitting diode for emitting light. The light irradiation part emits the light as output light indicating the irradiation field of the X-rays. The light emission control unit controls the light-emitting part according to the operating state of the X-ray irradiator.

Abstract: The management system of the X-ray detectors according to the embodiments detects X-rays irradiated from the X-ray generator when X-ray imaging is carried out, and includes an inspection unit and a validity period setting unit. The inspection unit inspects at least one of performance, function, and operation of an actual operation state of the X-ray detector. The validity period setting unit sets a validity period which is a criterion for determining whether the inspection results inspected are valid or not. The system is configured that the X-ray imaging is not performed on a subject when the inspection results are determined to be invalid based on the validity period.

Abstract: A photon counting type image detector has: a semiconductor cell that detects an X-ray photon; a charge amplifier that generates a plurality of electric pulses each being based on an electric charge collected in response to the detected X-ray photon; a comparator that discriminates a peak value of each of the electric pulses; a threshold logic circuit that performs control so as to count none of the peak-discriminated electric pulses corresponding to energy of characteristic X-rays produced in the semiconductor cell; and a counter that counts the discriminated electric pulses as controlled by the threshold logic circuit.

Abstract: The X-ray equipment related to the embodiment is configured from a plurality of pressure rising units, a switching unit, and a switching control unit. The plurality of pressure rising units are connected to the battery unit and generate direct current voltage. The switching unit switches over the plurality of pressure rising units and supplies direct current voltage to the X-ray generating unit. The switching control unit transmits switching instructions to the switching unit for switching over the pressure rising unit after receiving voltage supply instructions with respect to the X-ray generating unit until said voltage supply instructions terminate. The switching control unit controls discharging of the condenser inside the pressure rising unit switched over by the switching instructions and the control of commencing charging of the condenser inside the pressure rising unit following termination of discharging.