Canon Medical Systems Corporation

Toshiba Medical Systems Corporation

Kabushiki Kaisha Toshiba

Yuko Kanayama

Tetsuya Kawagishi

Naohisa Kamiyama

Masaki Watanabe

Akihiro Kakee

Yasunori Honjo

Hiroki Yoshiara

Yoko Okamura

Masahiko Yano

Yoshitaka Mine

Koichiro Kurita

Tetsuya Yoshida

Shogo Fukuda

Yu Igarashi

Cong Yao

Go Tanaka

Eiji Goto

Yoshimi Muto

According to one embodiment, a medical diagnostic apparatus includes processing circuitry and display circuitry. The processing circuitry estimates a position of a structure in a subject based on data obtained by scanning with respect to the subject and analyzes tissue characterization in the subject. The display circuitry displays an analysis result of the tissue characterization obtained by the processing circuitry with respect to a plurality of positions in the subject except for the estimated structure position.

Medical diagnostic apparatus and medical analysis method

An ultrasonic diagnosis apparatus according to an embodiment includes a transmission unit, a reception unit, a generator, and a display controller. The transmission unit causes an ultrasonic probe to transmit a displacement-producing ultrasonic wave and causes the probe to transmit a displacement-observing ultrasonic wave. The reception unit generates reflected-wave data based on a reflected wave received by the probe. The generator calculates displacement at each of a plurality of positions in the scan area over a plurality of time phases, based on the reflected-wave data, determines a time phase when the calculated displacement is substantially maximum, for each of the positions, and generates image data representing positions where the determined time phases are substantially the same as each other, among the positions. The display controller superimposes an image based on the image data on a medical image corresponding to an area including the scan area.

Ultrasonic diagnosis apparatus, image processing apparatus, and image processing method for tissue displacement caused by a shearwave generated by acoustic radiation force

An ultrasonic diagnostic apparatus in an embodiment includes processing circuitry. The processing circuitry is configured to cause an ultrasonic probe to perform an ultrasound scan of a subject. The processing circuitry is configured to generate a shadow image by assigning at least one of hue, saturation, and lightness depending on a feature of an acoustic shadow that has appeared in the result of the ultrasound scan.

Ultrasonic diagnostic apparatus and image generating method

An ultrasonography apparatus includes transmitting circuitry, and processing circuitry. The transmitting circuitry configured to cause an ultrasound probe to transmit a displacement-generation ultrasonic wave to cause a displacement in a tissue of a living body, and cause the probe to transmit an observation ultrasonic wave to observe a displacement of a tissue of a living body in a predetermined scan region, the displacement caused based on the displacement-generation ultrasonic wave. The processing circuitry configured to accept a setting instruction that corresponds to the region, and that is related to an acquisition frequency of an image based on a reflected wave signal that is acquired by the probe by transmission and reception of the observation ultrasonic wave, determine a transmission condition for at least one of the displacement-generation ultrasonic wave and the observation ultrasonic wave, according to the setting instruction, and control the transmission circuitry based on the condition.

Ultrasonography apparatus and control method

A signal processing device according to an embodiment includes adjustment circuitry and processing circuitry. The adjustment circuitry adjusts a received signal based on an echo of an ultrasonic wave transmitted to a subject with gain corresponding to a location at which the echo has been generated. The processing circuitry corrects the received signal that has been adjusted by the adjustment circuitry and calculates an index value relating to attenuation by using the corrected received signal.

Signal processing device, ultrasonic diagnostic apparatus, and method

An ultrasonic diagnostic apparatus according to an embodiment includes calculation circuitry, acquisition circuitry, determination circuitry, and scan control circuitry. The calculation circuitry calculates an indicator related to motion of biological tissue in a subject, based on echo data obtained through a pre-scan for the subject. The acquisition circuitry acquires a periodic biological signal of the subject. The determination circuitry specifies at least one tune phase in one cycle of the biological signal acquired during the pre-scan, based on the indicator, and determines a timing of a main scan for the subject, based on the specified time phase and the biological signal acquired after the pre-scan. The scan control circuitry executes the main scan at the timing determined by the determination circuitry.

Ultrasonic diagnostic apparatus and control method

According to one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe, transmission unit transmitting a first ultrasonic wave for generating a shear wave in an object to a first region and a second ultrasonic wave to a second region, reception unit generating a reception signal based on the second ultrasonic wave, displacement amount calculation unit calculating a displacement amount of a tissue accompanying propagation of the shear wave to the second region by using the reception signal, arrival time decision unit deciding an arrival time when the shear wave has arrived at each position in the second region, based on a temporal change in the displacement amount concerning the each position, and image generation unit generating based on the arrival time and predetermined pixel values corresponding to the arrival times, a shear wave arrival time image with the pixel values being assigned corresponding to the arrival times.

Ultrasonic diagnostic apparatus, medical image processing apparatus, and medical image processing method

A medical image diagnostic apparatus of embodiments includes processing circuitry configured to: calculate an index value in a region of interest of a subject based on tissue property data collected by scanning on the subject; and determine display characteristics of the region of interest based on the index value.

Medical image diagnostic apparatus and medical information display control method

According to an embodiment, an analyzer analyzes the state of a tissue at a position in a subject from which an ultrasound wave that is transmitted by an ultrasound probe into the subject is reflected, the analysis being on the basis of a received signal of the ultrasound wave. A signal acquiring unit acquires noises signal information corresponding to an area that is analyzed by the analyzer. A noise area extracting unit determines, regarding each area analyzed by the analyzer, whether the received signal that is used for the analysis performed by the analyzer is a noise signal, the determination being on the basis of the noise signal information acquired by the signal acquiring unit. A display controller configured controls a display unit such that the display unit displays an area regarding which the area extracting unit determines that the received signal is a noise signal.

Ultrasound diagnostic apparatus and method for distinguishing a low signal/noise area in an ultrasound image

An ultrasonic diagnostic apparatus according to an embodiment includes a setting unit, a transmitter, a signal processing unit, and an image generating unit. The setting unit sets a plurality of ROIs within a scanning region. The transmitter transmits an ultrasonic wave for displacement generation on a plurality of transmission conditions corresponding to the respective ROIs from an ultrasonic probe and transmits an ultrasonic wave for observation that observes a displacement generated by each transmission of the ultrasonic wave for displacement generation, from the ultrasonic probe a plurality of times. The signal processing unit analyzes a plurality of pieces of reflected wave data, acquires a plurality of pieces of displacement information, and calculates distribution information on the respective transmission conditions. The image generating unit generates a plurality of pieces of image data based on the pieces of distribution information and composite image data by composing the pieces of image data.

Ultrasonic diagnostic apparatus and method of ultrasonic imaging

According to one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe, scanning unit, ultrasonic image data generation unit, layout setting unit, and display unit. The ultrasonic probe includes transducers. The scanning unit scans an object with an ultrasonic beam via the ultrasonic probe. The ultrasonic image data generation unit generates data of ultrasonic images based on outputs from the scanning unit. The layout setting unit sets a specific display layout based on an aspect ratio of a display frame of the ultrasonic image or a size of the ultrasonic image and the number of ultrasonic images for simultaneous display. The display unit displays the ultrasonic images in accordance with the set display layout.

Ultrasonic diagnostic apparatus, medical image processing apparatus, and medical image parallel display method

An ultrasound diagnosis apparatus includes a transmitter, a generator, and an output controller. The transmitter transmits, from an ultrasound probe, push pulses that cause displacement of body tissue according to an acoustic radiation force and transmits, from the ultrasound probe, tracking pulses for observing the displacement of body tissue, which is caused according to the push pulses, in a given scanning area. The generator generates transmission area image data displaying a position to which the push pulses are transmitted. The output controller outputs the generated transmission area image data such that the transmission area image data is superimposed onto medical image data that contains the transmission area.

Ultrasound diagnosis apparatus and ultrasound imaging method

An ultrasound diagnostic apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain the position of the boundary of a region of interest that is set in first ultrasound image data of a subject. The processing circuitry is configured to generate second ultrasound image data by assigning a pixel value to each of pixels of which a change of the brightness value between before and after a contrast enhancement is equal to or larger than a threshold value with regard to pre-contrast-enhanced image data and post-contrast-enhanced image data of the subject both of which were acquired after a treatment using a puncture needle has been performed, the assigned pixel value corresponding to the distance between the pixel and the boundary of the region of interest. The processing circuitry is configured to cause a display unit to display the second ultrasound image data.

Growing community of inventors

Nasushiobara, Japan

Yuko Kanayama