Abstract: An ultrasound diagnostic apparatus (1) performs switching between a normal screen display mode and a full-screen display mode by performing a mode switching operation on a diagnostic apparatus main body (3) or an ultrasound probe (2), the normal screen display mode being a mode in which an ultrasound image generated by an image generation unit (22) and an operation panel for operating the ultrasound diagnostic apparatus (1) are displayed on a monitor (24) and an operation of the ultrasound diagnostic apparatus (1) is performed via the operation panel, and the full-screen display mode being a mode in which only the ultrasound image generated by the image generation unit (22) is displayed on the monitor (24) and an operation of the ultrasound diagnostic apparatus (1) by using a voice is possible.

Abstract: An acoustic wave device includes an insertion object having a photoacoustic wave generator, a light source that irradiates the photoacoustic wave generator with light, an insertion object image signal generator that generates an insertion object image signal from a photoacoustic wave reception signal from the photoacoustic wave generator, and an insertion object display image signal generator that generates an insertion object display image signal having a center at a peak position where a signal strength of the insertion object image signal becomes a peak value, having a maximum width corresponding to a predetermined reference signal width, and having a signal strength corresponding to the peak value at the center.

Abstract: In order to improve the safety and reliability of services provided by a computer, an authentication device (1) equipped with a transmission unit (15) and a determination unit (16) is provided. The transmission unit (15) transmits a challenge to a terminal device (7) where the challenge is presented to a user (8) to be authenticated, the challenge being information serving as the basis on which the user inputs information to be used for authentication processing. At this time, the transmission unit (15) transmits a plurality of different challenges to the terminal device (7). The determination unit (16) determines not only whether or not a response input to the terminal device (7) by the user (8) in response to each challenge is correct, but also whether or not time information regarding the challenge and the response thereto satisfies a condition regarding the response.

Abstract: In order to improve the safety and reliability of services provided by a computer, this authentication device is equipped with a transmission unit and a determination unit. The transmission unit transmits a challenge to a terminal device where the challenge is presented to a user to be authenticated, said challenge being information serving as the basis on which the user inputs information to be used for authentication processing. At this time, the transmission unit transmits a plurality of different challenges to the terminal device. The determination unit determines not only whether or not a response input to the terminal device by the user in response to each challenge is correct, but also whether or not time information regarding the challenge and the response thereto satisfies a condition regarding the response.

Abstract: An ultrasound diagnosis apparatus including: an ultrasound probe having a transducer array; and a processor configured to: perform transmission and reception of an ultrasonic beam from the transducer array toward a subject, into which contrast media including microbubbles is introduced; image a reception signal output from the transducer array to generate an ultrasound image of the subject; acquire trajectories of the microbubbles in a one cross section of the subject by tracking movement of the microbubbles based on the ultrasound image corresponding to the one cross section of the subject; detect, as a feature point, a trajectory, in which a distance between a start point and an end point in a prescribed time range is less than a prescribed value, among the trajectories of the microbubbles; and display the ultrasound image, the acquired trajectories and the detected feature point on the display unit.

Abstract: An ultrasound diagnostic apparatus (1) includes a urinary bladder extraction unit (9), a feature quantity calculation unit (10), a candidate frame extraction unit (11), and a urine volume measurement unit (13). The urinary bladder extraction unit (9) extracts a urinary bladder region from ultrasound images of a plurality of frames. The feature quantity calculation unit (10) calculates a feature quantity related to the bladder region. The candidate frame extraction unit (11) extracts, from the ultrasound images of the plurality of frames, an ultrasound image of a frame for which the feature quantity becomes a local maximum, as an ultrasound image of at least one candidate frame that serves as a candidate subjected to measurement. The urine volume measurement unit (13) analyzes an ultrasound image of a measurement frame selected from the ultrasound image of the at least one candidate frame to measure a urine volume.

Abstract: An authentication feature is provided to improve the safety and reliability of services provided by an electronic device. The electronic device includes a processor that outputs multiple challenges in a sequence, receives responses corresponding to the multiple challenges from a user and outputs a result based on whether the responses satisfy conditions of the multiple challenges.

Abstract: A first acoustic wave image and a second acoustic wave image are displayed on top of each other in different display colors, and a first operation icon for selecting the first acoustic wave image and a second operation icon for selecting the second acoustic wave image are displayed on operation icon display unit. The first operation icon and the second operation icon are displayed on top of each other in a display order identical to a display order of the first acoustic wave image and the second acoustic wave image that are displayed on top of each other on image display unit.

Abstract: An ultrasound system (1) includes an ultrasound probe (2), a head-mounted display (3), and an external apparatus (4). The ultrasound probe (2) includes a reception data generation unit that generates reception data before imaging based on a sound ray signal, and a probe-side wireless communication unit (24) that wirelessly transmits the reception data. The head-mounted display (3) includes a camera unit (33) that acquires a view image, and a head-mounted display-side wireless communication unit (31) that wirelessly transmits the view image. The external apparatus (4) includes an external wireless communication unit (41), an external monitor (45), and a display controller (44) that displays an ultrasound image generated based on the reception data on the external monitor (45).

Abstract: An ultrasound system (1) includes an ultrasound probe (2), a mobile information terminal (3), and an external apparatus (4). The ultrasound probe (2) includes a transmission and reception circuit (22) that transmits an ultrasonic wave from a transducer array (21) and generates a sound ray signal, and a reception data generation unit that generates reception data before imaging based on the sound ray signal. The mobile information terminal (3) includes a camera unit (33) that acquires a view image. The external apparatus (4) includes a display controller (44) that displays an ultrasound image generated based on the reception data and the view image on an external monitor (45), and an input device (47). In a case where a probe freeze instruction is input from the input device (47), the transmission of the ultrasonic wave from the transducer array (21) is stopped.

Abstract: An ultrasound system (1) includes an ultrasound probe (2), a mobile information terminal (3), and an external apparatus (4). The ultrasound probe (2) includes a reception data generation unit that generates reception data before imaging based on a sound ray signal, and a probe-side wireless communication unit (24) that wirelessly transmits the reception data. The mobile information terminal (3) includes a camera unit (33) that acquires a view image, and a terminal-side wireless communication unit (31) that wirelessly transmits the view image. The external apparatus (4) includes an external wireless communication unit (41) that is wirelessly connected to at least the terminal-side wireless communication unit (31), an external monitor (45), and a display controller (44) that displays an ultrasound image generated based on the reception data and the view image on the external monitor (45).

Abstract: A control device includes a processor that controls a mammography apparatus that irradiates a breast with radiation to capture a radiographic image of the breast such that the radiation with either first energy or second energy higher than the first energy is emitted at each of irradiation positions having different irradiation angles while a radiation source is being moved to capture low-energy projection images with the first energy and high-energy projection images with the second energy, an irradiation time for which the radiation with the second energy is emitted is longer than an irradiation time for which the radiation with the first energy is emitted, and a focus size of the radiation source in a case in which the radiation with the first energy is emitted is larger than a focus size of the radiation source in a case in which the radiation with the second energy is emitted.

Abstract: A control device including: wherein the processor controls a mammography apparatus that a breast, with radiation from a radiation source to capture a radiographic image of the breast such that normal imaging which emits the radiation with first energy from an irradiation position where an irradiation angle is 0 degrees to capture a normal radiographic image and tomosynthesis imaging which emits the radiation with either the first energy or second energy higher than the first energy at each of a plurality of irradiation positions having different irradiation angles and emits the radiation with the second energy at the irradiation position where the irradiation angle is 0 degrees to capture a plurality of low-energy projection images and a plurality of high-energy projection images are performed in a state in which the breast is compressed by the compression member.

Abstract: A first acoustic wave image is displayed in a first display color, and a second acoustic wave image is displayed in a second display color different from the first display color. A group of first menu icons for designating a process to be performed on the first acoustic wave image and a group of second menu icons for designating a process to be performed on the second acoustic wave image are displayed on menu icon display means. The group of first menu icons is displayed in the first display color, and the group of second menu icons is displayed in the second display color.

Abstract: A radiography system includes a mammography apparatus and a control device including a compression control unit that, in a case of performing continuous imaging in which the simple imaging and the tomosynthesis imaging are continuously performed while the breast being compressed by the mammography apparatus, performs control to cause a compression member to compress the breast at a first force in a first imaging of the simple imaging or the tomosynthesis imaging that is performed first in the continuous imaging, to change a force of the compression member compressing the breast from the first force to a second force lower than the first force after the first imaging, and to cause the compression member to compress the breast at the second force in a second imaging that is performed later.

Abstract: An image acquisition unit acquires a plurality of projection images corresponding to each of a plurality of radiation source positions which have been generated by directing an imaging apparatus to perform tomosynthesis imaging for an object compressed by a compression plate. An edge image detection unit detects an edge image caused by the edge of the compression plate in the plurality of projection images. A cutout unit cuts out the projection image according to a positional relationship between the edge image and an image of the object to generate a cut-out projection image.

Abstract: An ultrasound diagnostic apparatus (1) includes a time phase search period specifying unit (16) that specifies a time phase search period in each heartbeat period on the basis of Doppler data; and a frame specifying unit (12) that specifies at least one of B-mode data of a frame with a maximum diameter of a blood vessel or B-mode data of a frame with a minimum diameter of the blood vessel in each heartbeat period by analyzing the B-mode data of a plurality of frames in the time phase search period specified by the time phase search period specifying unit (16).

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe (2) that scans a subject with an ultrasound beam, an image acquisition unit (8) that acquires ultrasound images of a plurality of frames corresponding to a plurality of different tomographic planes in the subject using the ultrasound probe (2), an image memory (9) that keeps the acquired ultrasound images of the plurality of frames, a bladder extraction unit (10) that extracts a bladder region from each of the ultrasound images of the plurality of frames, a feature value calculation unit (11) that calculates a feature value regarding the bladder region extracted in each of the ultrasound images of the plurality of frames, and a scanning success/failure determination unit (12) that analyzes change in feature value between frames continuous in time series and determines whether or not scanning of a bladder of the subject with an ultrasound beam is successful.

Abstract: A puncture needle includes a shaft part, a needle tip part disposed at a tip of the shaft part, and a plurality of processed parts that are arranged on an outer peripheral part of the shaft part along a length direction of the shaft part and form a geometric progression with a geometric ratio of 2 in which arrangement intervals gradually decrease toward the needle tip part, in which a distance between a reference point which is located on a needle tip part side from a first processed part closest to the needle tip part among the plurality of processed parts and is located at a predetermined distance from the needle tip part and the first processed part is equal to an arrangement interval between the first processed part and a second processed part which is second closest to the needle tip part.

Abstract: A puncture needle includes a shaft-part, a needle-tip-part disposed at a tip of the shaft-part, and processed-parts that are arranged on an outer peripheral part of the shaft-part along a length direction of the shaft-part and form an arithmetic progression in which arrangement intervals gradually decrease toward the needle-tip-part, wherein among the processed-parts, an arrangement interval between a first-processed-part which is separated from the needle-tip-part by a predetermined distance and is closest to the needle-tip-part and a second-processed-part which is second closest to the needle-tip-part is equal to or less than a tolerance of the arithmetic progression, or a distance from the needle-tip-part to the first-processed-part which is closest to the needle-tip-part is equal to or less than the tolerance of the arithmetic progression and equal to a difference between the arrangement interval between the first-processed-part and the second-processed-part which is second closest to the needle-tip-part