Abstract: Provided are a control method for an ultrasound diagnostic apparatus and an ultrasound diagnostic apparatus capable of easily selecting a puncture position in a blood vessel.

Abstract: A stop assist system for moving a moving body to a stop position and making the moving body stop at the stop position includes: an external environment recognizing unit that recognizes an external environment of the moving body; and a moving body control unit that executes a driving process to make the moving body travel to the stop position based on a recognition result of the external environment recognizing unit. The moving body control unit suspends the driving process when, while the moving body is traveling to the stop position, the moving body control unit determines, based on the recognition result, that there is an object within a range of a prescribed lateral threshold value on a lateral outside of the moving body and the object extends over a prescribed longitudinal threshold value or more along a travel direction within the range.

Abstract: Provided are an ultrasound diagnostic apparatus and a method for controlling the ultrasound diagnostic apparatus capable of improving image qualities of a two-dimensional ultrasound image and a three-dimensional ultrasound image. An ultrasound diagnostic apparatus (1) includes an ultrasound probe (2) and an apparatus main body (3). The ultrasound probe (2) includes a two-dimensional transducer array (11) including a plurality of transducers, a patch division circuit (12) that divides at least a part of the transducers into a plurality of patches in which the transducers are arranged in an elevation direction in a case of performing the two-dimensional scanning and divides at least a part of the transducers into a plurality of patches in which the transducers are arranged in an azimuth direction in a case of performing the three-dimensional scanning, and a plurality of probe beam formers (13) corresponding to the plurality of patches. The apparatus main body (3) includes a main body beam former (25).

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe, a reference image holding unit that holds an ultrasound image acquired by fixing the position of the ultrasound probe as a reference image, a movement vector calculation unit that calculates a movement vector between two ultrasound images, a movement vector integration unit that integrates the movement vectors from the time when the reference image is held until the current time, a deformed image generation unit that generates a deformed image in which the reference image is moved and changed on the basis of an integration result, a tomographic plane determination unit that compares the deformed image with the current ultrasound image, to determine whether or not tomographic planes of the reference image and the current ultrasound image are the same as each other, and a determination result notification unit that notifies a user of a determination result.

Abstract: An ultrasound diagnostic apparatus (1) includes an ultrasound probe (2); an image acquisition unit that generates an ultrasound image by performing transmission and reception of an ultrasound beam with respect to a subject using the ultrasound probe (2); and an initial condition setting unit (25) that sets a basic sound speed value for generating the ultrasound image of a breast of the subject on the basis of a ratio of mammary glands in the breast, which is calculated by analyzing a radiation image in which the breast is imaged, in which the image acquisition unit generates the ultrasound image of the breast using the basic sound speed value.

Abstract: Provided are an ultrasound system, an ultrasound probe, a control method of the ultrasound system, and a control method of the ultrasound probe capable of using various types of display terminals and causing the display terminal to perform processing according to computing power of the display terminal to be used. An ultrasound system includes a display terminal and an ultrasound probe. The ultrasound probe has a reception circuit that generates a sound ray signal from a reception signal output from an oscillator array, an image generation unit that generates ultrasound image data from the sound ray signal, and a data selection unit that selects one of the ultrasound image data and intermediate data generated in a middle of generating the ultrasound image data, according to computing power of the display terminal, as data to be output to the display terminal.

Abstract: An ultrasound diagnostic apparatus 1 includes: a data acquisition unit 3 that repeatedly transmits an ultrasound beam to a subject a plurality of times in a range over a plurality of scanning lines to acquire a time-series data string of reflected waves from the subject; an analysis target data selection unit 7 that estimates the amount of relative positional deviation of a scatterer of the subject which is included in the time-series data string and excludes time-series data satisfying an exclusion condition based on the amount of positional deviation of the scatterer from the time-series data string to select analysis target data; an MTI filter unit 8 that removes a clutter component from the analysis target data; and a blood flow information estimation unit 9 that analyzes the analysis target data from which the clutter component has been removed to estimate blood flow information of the subject.

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe, a reference image holding unit that holds an ultrasound image acquired by fixing a position of the ultrasound probe as a reference image, a movement vector calculation unit that calculates a movement vector between two ultrasound images, a movement vector integration unit that integrates the movement vector from a time when the reference image is held to a current time, a deformed image generation unit that generates a deformed image in which the current ultrasound image is moved and changed to a time when the reference image is held based on an integration result, a tomographic plane determination unit that compares the deformed image with the reference image to determine whether tomographic planes of the current ultrasound image and the reference image are the same as each other, and a determination result notification unit that notifies a user of a determination result.

Abstract: An ultrasound diagnostic apparatus 1 includes a transducer array 2, a transmission unit 3 that transmits an ultrasonic pulse FP and an ultrasonic pulse SP having phases inverted from each other on the scanning line from the transducer array 2 multiple times, a reception unit 4 that acquires reception signals from an output signal of the transducer array 2, a quadrature detection unit 5 that performs quadrature detection on the reception signals to acquire IQ signal strings, a tissue velocity detection unit 6 that detects a velocity of a tissue in a subject based on the IQ signal strings, a phase correction unit 7 that corrects phases of the IQ signal strings, a pulse inversion addition unit 8 that adds IQ signals corresponding to the ultrasonic pulse FP and IQ signals corresponding to the ultrasonic pulse SP using the corrected IQ signal strings to acquire added signals, and an image generation unit 10 that generates an ultrasound image from the added signals.

Abstract: In an ultrasound diagnostic apparatus and a control method of the ultrasound diagnostic apparatus according to the present invention, the ultrasound probe generates an ultrasound image, assigns a time stamp for each frame to the ultrasound image, and wirelessly transmits the ultrasound image to which the time stamp is assigned, to the diagnostic apparatus main body. The diagnostic apparatus main body receives the ultrasound image, determines continuity of frames on the basis of the time stamp, assigns a weight to the ultrasound image of the past frame on the basis of the continuity of the frames, performs correlation processing between the ultrasound image of the current frame and the ultrasound image of the past frame to which the weight is assigned, generates a display image, and displays the display image on the monitor.

Abstract: An ultrasound diagnostic apparatus (1) includes an ultrasound probe (2) and a diagnostic apparatus main body (3) that are wirelessly connected, the ultrasound probe (2) includes a detection unit that generates a complex baseband signal, a complex baseband signal processing unit (17) that performs high-pass processing and autocorrelation analysis processing on the complex baseband signal, a phase data generation unit (18) that generates phase data on the basis of the complex baseband signal, and a probe-side wireless communication circuit (20) that wirelessly transmits the phase data, and the diagnostic apparatus main body (3) includes a main body-side wireless communication circuit (31) that receives the wirelessly transmitted phase data, a complex signal generation unit (33) that generates a complex signal on the basis of the phase data, a color flow image generation unit (34) that generates a color flow image on the basis of the complex signal.

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe that performs transmission and reception of an ultrasonic wave to and from a subject, a head-mounted display having a camera unit configured to acquire a camera image obtained by imaging a field of view in front of a user and a display unit, a measurement spot decision unit that, in a case where subject information including at least one of a symptom or a disease of the subject is input, decides a measurement spot where the transmission and reception of the ultrasonic wave is desired, based on the spot subject information, and a navigation image generation unit that recognizes the subject from the camera image, generates a navigation image indicating a position of the measurement spot decided by the measurement spot decision unit with respect to the recognized subject, and displays the generated navigation image on the display unit of the head-mounted display.

Abstract: An ultrasound diagnostic apparatus, which transmits an ultrasonic wave toward a subject by an ultrasound probe, produces ultrasound image data based on obtained reception data by a diagnostic apparatus body, and displays an ultrasound image, includes a dilation processor which performs dilation processing on the ultrasound image data based on a dilation radius to produce dilated image data, an erosion processor which performs erosion processing on the ultrasound image data based on an erosion radius different in magnitude from the dilation radius to produce eroded image data, a difference processor which calculates difference between the dilated image data and the eroded image data to produce difference image data, and an edge enhancer which performs edge enhancement processing on the ultrasound image data based on the difference image data to produce edge enhanced image data.

Abstract: An ultrasound diagnostic apparatus 1 includes a transducer array 2, a transmission unit 3 that transmits a set of a first ultrasonic pulse FP and a second ultrasonic pulse SP having phases inverted from each other on the same scanning line from the transducer array 2 into a subject N times to be equal to or greater than at least two times, a reception unit 4 that acquires reception signals from a signal output from the transducer array 2, which receives an ultrasound echo, a quadrature detection unit 5 that acquires an IQ signal string corresponding to the first ultrasonic pulse FP and an IQ signal string corresponding to the second ultrasonic pulse SP by performing quadrature detection in a determined range on the reception signals, and a bubble signal likelihood calculation unit 6 that calculates a bubble signal likelihood based on the IQ signal strings acquired by the quadrature detection unit 5.

Abstract: An ultrasound diagnostic apparatus 1 includes a transducer array 2, a transmission unit 3 that transmits an ultrasonic pulse FP and an ultrasonic pulse SP having phases inverted from each other on the scanning line from the transducer array 2 multiple times, a reception unit 4 that acquires reception signals from an output signal of the transducer array 2, a quadrature detection unit 5 that performs quadrature detection on the reception signals to acquire IQ signal strings, a tissue velocity detection unit 6 that detects a velocity of a tissue in a subject based on the IQ signal strings, a phase correction unit 7 that corrects phases of the IQ signal strings, a pulse inversion addition unit 8 that adds IQ signals corresponding to the ultrasonic pulse FP and IQ signals corresponding to the ultrasonic pulse SP using the corrected IQ signal strings to acquire added signals, and an image generation unit 10 that generates an ultrasound image from the added signals.

Abstract: There is provided an acoustic wave image generating apparatus and method capable of obtaining an image with good visibility of a needle. In a case where ultrasound waves having an intensity distribution centered on a first direction are transmitted to a subject, ultrasound echoes return from the subject. Ultrasound echo data indicating the ultrasound echoes are phased and added along lines in virtual reception directions. As the ultrasound transducers transmitting ultrasound waves are updated, a plurality of first ultrasound images are obtained. Since the ultrasound images having various angles can be obtained, an image with good visibility of a needle can be obtained in a case where the needle is inserted into the subject.

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe, a reference image holding unit that holds an ultrasound image acquired by fixing a position of the ultrasound probe as a reference image, a movement vector calculation unit that calculates a movement vector between two ultrasound images, a movement vector integration unit that integrates the movement vector from a time when the reference image is held to a current time, a deformed image generation unit that generates a deformed image in which the current ultrasound image is moved and changed to a time when the reference image is held based on an integration result, a tomographic plane determination unit that compares the deformed image with the reference image to determine whether tomographic planes of the current ultrasound image and the reference image are the same as each other, and a determination result notification unit that notifies a user of a determination result.

Abstract: An ultrasound diagnostic apparatus includes an ultrasound probe, a reference image holding unit that holds an ultrasound image acquired by fixing the position of the ultrasound probe as a reference image, a movement vector calculation unit that calculates a movement vector between two ultrasound images, a movement vector integration unit that integrates the movement vectors from the time when the reference image is held until the current time, a deformed image generation unit that generates a deformed image in which the reference image is moved and changed on the basis of an integration result, a tomographic plane determination unit that compares the deformed image with the current ultrasound image, to determine whether or not tomographic planes of the reference image and the current ultrasound image are the same as each other, and a determination result notification unit that notifies a user of a determination result.

Abstract: An ultrasound diagnostic apparatus 1 includes: a data acquisition unit 3 that repeatedly transmits an ultrasound beam to a subject a plurality of times in a range over a plurality of scanning lines to acquire a time-series data string of reflected waves from the subject; an analysis target data selection unit 7 that estimates the amount of relative positional deviation of a scatterer of the subject which is included in the time-series data string and excludes time-series data satisfying an exclusion condition based on the amount of positional deviation of the scatterer from the time-series data string to select analysis target data; an MTI filter unit 8 that removes a clutter component from the analysis target data; and a blood flow information estimation unit 9 that analyzes the analysis target data from which the clutter component has been removed to estimate blood flow information of the subject.

Abstract: Provided is an ultrasound diagnostic apparatus that measures the modulus of elasticity of a vascular wall, wherein only M-mode images for heartbeats necessary for the measurement are displayed. The problem is solved by, when freeze is implemented during a B/M-mode display, displaying an M-mode image after discarding a heartbeat at the time of freeze and possibly also a heartbeat immediately before freeze.