Abstract: An ultrasound diagnostic device includes a transmitter that causes an ultrasound probe including a plurality of transducers aligned in an azimuth direction to perform a plurality of set transmissions including a plurality of types of ultrasound transmissions for a transmission line which is common, while changing a position of the transmission line in the azimuth direction, a receiver that acquires, from the ultrasound probe, received signals based on reflected waves for the plurality of types of ultrasound transmissions and generates a plurality of types of acoustic line signals, and a hardware processor that generates an imaging signal based on the plurality of types of acoustic line signals. During a time interval between the plurality of types of the ultrasound transmissions in a first set transmission, the transmitter performs at least one of the plurality of types of ultrasound transmissions in a second set transmission.

Abstract: An object is to provide a data collection device and the like capable of reducing a load on an IoT terminal in metadata transmission and power consumption associated with the metadata transmission. In the present invention, a controller is provided on a data collection side that collects metadata, the metadata transmitted from an IoT terminal is grasped, and the IoT terminal is instructed to reduce the transmission frequency of metadata that does not need high real-time property according to a sensor, the type of the IoT terminal, or the like. The IoT terminal transmits the metadata only at a window time (transmission timing, data size, metadata type, or the like) permitted by the metadata controller. As a result, the IoT terminal transmits the metadata only at a limited timing, and thus can reduce a transmission load and power consumption.

Abstract: An ultrasound diagnostic apparatus including: a transmitter; a hardware processor; a receiver; and an image generator. A first drive signal includes a third drive signal and a fourth drive signal. A second drive signal includes a fifth drive signal that is offset when the fifth drive signal and the third drive signal are added, and a sixth drive signal that generates an offset residual when the sixth drive signal and the fourth drive signal are added. The hardware processor causes the transmitter to provide a time delay to the first drive signal and the second drive signal so that the transmission ultrasound focuses to a same focal point, output the third drive signal and the fifth drive signal to the first transducer group, and output the fourth drive signal and the sixth drive signal to the second transducer group.

Abstract: An ultrasound diagnostic apparatus of the present invention includes: a transmitter that generates and outputs a plurality of drive signals to a transducer of an ultrasound probe, the drive signals causing the transducer to transmit a plurality of transmission ultrasound waves that have different waveforms in a temporally shifted manner, the drive signals being compensated for asymmetry of the transmission sound pressure waveforms of the plurality of transmission ultrasound waves transmitted from the transducer; and a hardware processor configured to extract a harmonic component according to a plurality of reception signals, and generating an ultrasound image based on the extracted harmonic component.

Abstract: An ultrasound diagnostic apparatus including an ultrasound probe which outputs transmission ultrasound corresponding to a drive signal, which receives reflected ultrasound from the subject and which outputs a received signal according to the reflected ultrasound; a drive signal outputter which outputs the drive signal to the ultrasound probe; a hardware processor which controls the drive signal outputter to output a first drive signal having a first drive waveform and a second drive signal having a second drive waveform that is different from the first drive waveform; a received signal generator which generates a first received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the first drive signal and a second received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the second drive signal; and an extractor which extracts by arithmetic of the first received signal and the second received

Abstract: A diagnostic ultrasound apparatus includes: a sound ray signal generator that generates a sound ray signal based on a reception signal obtained from an ultrasound probe that transmits and receives ultrasound to and from a subject; an imaging signal generator that performs filtering of passing different bands on the sound ray signal to generate multiple imaging signals from the sound ray signal; and a calculator that performs an arithmetic operation among the imaging signals.

Abstract: An ultrasound diagnostic apparatus includes a hardware processor that generates a first B mode image and a second B mode image on the basis of a first reception signal and a second reception signal whose beam width in the slice direction is narrower than the first reception signal, displays a display image on a display section, determines whether the end of the puncture needle in the display image is the actual needle point, and presents the determination result. The hardware processor presents the determination result on the basis of the first puncture needle image included in the first B mode image and the second puncture needle image included in the second B mode image.

Abstract: An ultrasound diagnostic apparatus including an ultrasound probe which outputs transmission ultrasound corresponding to a drive signal, which receives reflected ultrasound from the subject and which outputs a received signal according to the reflected ultrasound; a drive signal outputter which outputs the drive signal to the ultrasound probe; a hardware processor which controls the drive signal outputter to output a first drive signal having a first drive waveform and a second drive signal having a second drive waveform that is different from the first drive waveform; a received signal generator which generates a first received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the first drive signal and a second received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the second drive signal; and an extractor which extracts by arithmetic of the first received signal and the second received

Abstract: An ultrasound diagnostic apparatus including an ultrasound probe which outputs transmission ultrasound corresponding to a drive signal, which receives reflected ultrasound from the subject and which outputs a received signal according to the reflected ultrasound; a drive signal outputter which outputs the drive signal to the ultrasound probe; a hardware processor which controls the drive signal outputter to output a first drive signal having a first drive waveform and a second drive signal having a second drive waveform that is different from the first drive waveform; a received signal generator which generates a first received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the first drive signal and a second received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the second drive signal; and an extractor which extracts by arithmetic of the first received signal and the second received

Abstract: Provided is an acoustic lens applied to an ultrasound probe and forming an ultrasound beam by focusing ultrasound transmitted from a piezoelectric transducer, in which: an ultrasound radiation surface of the acoustic lens includes: a first area that is located in a lens center portion and forms a focal point at a position corresponding to a deep portion of the ultrasound beam; and a second area that is located on a lens outer side of the first area and forms a focal point at a position corresponding to a shallow portion of the ultrasound beam, and a focal depth formed by a lens portion of each position of the first area and the second area draws a profile that becomes continuously shallow from a side of the lens center portion to the lens outer side.

Abstract: An ultrasound diagnostic device includes a transmitter that causes an ultrasound probe including a plurality of transducers aligned in an azimuth direction to perform a plurality of set transmissions including a plurality of types of ultrasound transmissions for a transmission line which is common, while changing a position of the transmission line in the azimuth direction, a receiver that acquires, from the ultrasound probe, received signals based on reflected waves for the plurality of types of ultrasound transmissions and generates a plurality of types of acoustic line signals, and a hardware processor that generates an imaging signal based on the plurality of types of acoustic line signals. During a time interval between the plurality of types of the ultrasound transmissions in a first set transmission, the transmitter performs at least one of the plurality of types of ultrasound transmissions in a second set transmission.

Abstract: A diagnostic ultrasound apparatus includes a sound ray signal generator, an extractor and an arithmetic unit. The sound ray signal generator generates a sound ray signal based on a reception signal obtained from an ultrasound probe. The ultrasound probe transmits and receives ultrasound to and from a subject. The extractor extracts imaging signals from the sound ray signal by performing filtering of passing different bands. The arithmetic unit generates a difference signal by using the imaging signals, and performs an arithmetic operation on at least one of the imaging signals by using the difference signal.

Abstract: Disclosed is an ultrasound diagnostic imaging apparatus including an ultrasound probe which outputs transmission ultrasound toward a subject due to a pulse signal being input and which outputs a received signal by receiving reflected ultrasound from the subject, and a transmission unit which makes the ultrasound probe generate the transmission ultrasound by outputting a pulse signal whose drive waveform is formed of rectangular waves. The frequency power spectrum of the pulse signal has intensity peaks in a frequency band included in a transmission frequency band at ?20 dB of the ultrasound probe on a low frequency side and a high frequency side of a center frequency of the transmission frequency band, respectively, and intensity of a frequency region between the intensity peaks is ?20 dB or greater with a maximum value of intensity among the intensity peaks being a reference.

Abstract: An ultrasound diagnostic device including a transmitter and a delay-and-sum unit. The transmitter selects a tertiary transducer array that coincides in an azimuth direction with a transmission focal point, two partial primary transducer arrays that sandwich the tertiary transducer array in the azimuth direction, and two secondary transducer arrays that sandwich the tertiary and partial primary transducer arrays in the azimuth direction, and causes transmission from the tertiary and secondary transducer arrays of an ultrasound beam with a larger signal intensity in a high frequency band than that transmitted from the partial primary transducer arrays. The delay-and-sum unit sets calculation target areas that have different positions in the azimuth direction, and executes delay-and-sum processing with respect to each of the calculation target areas to generate acoustic line signal frame data.

Abstract: An ultrasound diagnostic apparatus of the present invention includes: a transmitter that generates and outputs a plurality of drive signals to a transducer of an ultrasound probe, the drive signals causing the transducer to transmit a plurality of transmission ultrasound waves that have different waveforms in a temporally shifted manner, the drive signals being compensated for asymmetry of the transmission sound pressure waveforms of the plurality of transmission ultrasound waves transmitted from the transducer; and a hardware processor configured to extract a harmonic component according to a plurality of reception signals, and generating an ultrasound image based on the extracted harmonic component.

Abstract: An ultrasound diagnostic apparatus includes a hardware processor that generates a first B mode image and a second B mode image on the basis of a first reception signal and a second reception signal whose beam width in the slice direction is narrower than the first reception signal, displays a display image on a display section, determines whether the end of the puncture needle in the display image is the actual needle point, and presents the determination result. The hardware processor presents the determination result on the basis of the first puncture needle image included in the first B mode image and the second puncture needle image included in the second B mode image.

Abstract: An ultrasound image diagnostic apparatus includes an ultrasound probe, a transmitter and an image generator. The ultrasound probe transmits ultrasound to a subject and generates a reception signal. The transmitter drives the ultrasound probe to transmit ultrasound that satisfies the following requirements: a wave packet duration is equivalent to or more than the length of 1.5 waveforms at the lower limit frequency of the ?6 dB transmission bandwidth of the ultrasound probe; signal intensity of frequency components in the ?6 dB transmission bandwidth has a standard deviation of 6 or less; and lower limit frequency components in the ?6 dB transmission bandwidth have a signal intensity of ?8 [dB] or higher, the signal intensity being normalized with respect to the maximum intensity of 0 [dB]. The image generator extracts harmonic components from the reception signal and generates ultrasound image data.

Abstract: An ultrasound probe includes: an ultrasound input/output unit to output a transmission ultrasound to a test object by a pulse signal; and a signal input/output unit to output a reception signal when the ultrasound input/output unit receives a reflected ultrasound from the test object, wherein the ultrasound probe is set so that a difference between maximum and minimum values of a group delay in a transmission/reception frequency band at ?20 dB of the ultrasonic probe is equal to or less than 0.15 radian, the group delay being obtained from a phase difference for each frequency between the input pulse signal and the reception signal obtained from the reflected ultrasound of the transmission ultrasound output by the pulse signal, or so that a standard deviation of the group delay in the transmission/reception frequency band at ?20 dB of the ultrasonic probe is equal to or less than 0.025.

Abstract: An ultrasound diagnostic apparatus including an ultrasound probe which outputs transmission ultrasound corresponding to a drive signal, which receives reflected ultrasound from the subject and which outputs a received signal according to the reflected ultrasound; a drive signal outputter which outputs the drive signal to the ultrasound probe; a hardware processor which controls the drive signal outputter to output a first drive signal having a first drive waveform and a second drive signal having a second drive waveform that is different from the first drive waveform; a received signal generator which generates a first received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the first drive signal and a second received signal based on the reflected ultrasound corresponding to the transmission ultrasound that is output based on the second drive signal; and an extractor which extracts by arithmetic of the first received signal and the second received

Abstract: An ultrasound diagnostic apparatus includes the following. An ultrasound probe includes a transmitting opening including a plurality of transducers, and the transmitting opening includes a plurality of transducer groups including at least a first transducer group and a second transducer group. A transmitter generates a plurality of driving signals with different driving waveforms including at least a first driving signal and a second driving signal, provides a time delay to the plurality of driving signals so that the transmitting ultrasound focuses to a same focal point, outputs the first driving signal to the first transducer group, outputs the second driving signal to the second transducer group, and outputs the plurality of driving signals to the plurality of transducer groups of the transmitting opening. A receiver receives the receiving signal from the ultrasound probe. An image generator generates the ultrasound image data from the receiving signal.