Patents by Inventor Yuko KANAYAMA

Yuko KANAYAMA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10342514
    Abstract: 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.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 9, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Akihiro Kakee, Tetsuya Kawagishi
  • Patent number: 10335118
    Abstract: 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.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: July 2, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Yuko Kanayama, Naohisa Kamiyama
  • Patent number: 10231710
    Abstract: 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.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: March 19, 2019
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Masahiko Yano
  • Patent number: 10039525
    Abstract: 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.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: August 7, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hiroki Yoshiara, Yuko Kanayama, Yoshitaka Mine, Cong Yao, Go Tanaka
  • Patent number: 9763645
    Abstract: An ultrasound apparatus according to the present embodiments includes a receiving unit and a probe controlling unit. The receiving unit receives settings in relation to the aperture of the ultrasound probe and the region of interest of the subject with a contrast agent injected. The probe controlling unit controls the ultrasound probe based on the settings received by the receiving unit in such a manner as to transmit an ultrasound wave from the vibrator arranged in the aperture to the region of interest.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: September 19, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Hiroki Yoshiara, Naohisa Kamiyama, Tetsuya Yoshida, Yoko Okamura, Yuko Kanayama
  • Publication number: 20170258438
    Abstract: 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.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 14, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventor: Yuko KANAYAMA
  • Publication number: 20170150948
    Abstract: 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.
    Type: Application
    Filed: November 16, 2016
    Publication date: June 1, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventor: Yuko KANAYAMA
  • Publication number: 20170086795
    Abstract: 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.
    Type: Application
    Filed: July 1, 2016
    Publication date: March 30, 2017
    Applicant: Toshiba Medical Systems Corporation
    Inventor: Yuko KANAYAMA
  • Patent number: 9597058
    Abstract: 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.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: March 21, 2017
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Masahiko Yano
  • Publication number: 20160367223
    Abstract: 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.
    Type: Application
    Filed: June 16, 2016
    Publication date: December 22, 2016
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yasunori Honjo, Tetsuya Kawagishi, Akihiro Kakee, Yuko Kanayama, Masaki Watanabe
  • Publication number: 20160338672
    Abstract: 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.
    Type: Application
    Filed: August 2, 2016
    Publication date: November 24, 2016
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yuko KANAYAMA, Masahiko YANO
  • Publication number: 20160338671
    Abstract: 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.
    Type: Application
    Filed: May 19, 2016
    Publication date: November 24, 2016
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Yu IGARASHI, Masaki WATANABE, Yuko KANAYAMA, Yasunori HONJO, Tetsuya KAWAGISHI
  • Publication number: 20150297175
    Abstract: 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.
    Type: Application
    Filed: April 16, 2015
    Publication date: October 22, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Akihiro Kakee, Masaki Watanabe
  • Publication number: 20150250446
    Abstract: An image generator which generates data of a plurality of images based on an output from the transmitter/receiver, a blood flow image generator which generates data of a plurality of blood flow images based on an output from the transmitter/receiver, a similarity calculator which calculates similarities between the plurality of images, a specifying processor which specifies at least two images exhibiting a low similarity from the plurality of images based on the similarities, an image selector which selects at least two blood flow images respectively corresponding to scanning times of the specified at least two images from the plurality of blood flow images and a display which displays the selected at least two blood flow images.
    Type: Application
    Filed: May 22, 2015
    Publication date: September 10, 2015
    Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems Corporation
    Inventor: Yuko KANAYAMA
  • Publication number: 20150245819
    Abstract: 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.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Hiroki YOSHIARA, Yuko KANAYAMA, Yoshitaka MINE, Cong YAO, Go TANAKA
  • Publication number: 20150164480
    Abstract: 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.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 18, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Masaki WATANABE, Yuko KANAYAMA, Tetsuya KAWAGISHI, Yoshimi MUTO, Eiji GOTO, Koichiro KURITA, Shogo FUKUDA
  • Publication number: 20150080730
    Abstract: 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.
    Type: Application
    Filed: April 4, 2014
    Publication date: March 19, 2015
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Yuko KANAYAMA, Tetsuya KAWAGISHI
  • Publication number: 20150073275
    Abstract: 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.
    Type: Application
    Filed: September 10, 2014
    Publication date: March 12, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yuko KANAYAMA, Masahiko YANO
  • Publication number: 20150005633
    Abstract: 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.
    Type: Application
    Filed: June 30, 2014
    Publication date: January 1, 2015
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yuko KANAYAMA, Akihiro Kakee, Tetsuya Kawagishi
  • Patent number: 8715189
    Abstract: According to one embodiment, an ultrasonic diagnosis apparatus includes an ultrasonic probe, an ultrasonic transmission/reception unit, a volume data generating unit, a projected image generating unit, a two dimensional region-of-interest setting unit, a specifying unit, a calculation unit and a three-dimensional region-of-interest determination unit. The specifying unit specifies cells on rays which pass through the respective pixels in the 2D-ROI and are used to acquire a VR image. The calculation unit calculates the contribution degree of each cell based on the voxel value and opacity of each cell specified and calculates the average value of the contribution degrees of cells equal in distance from the screen of the VR image along the line-of-sight direction.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: May 6, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Yuko Kanayama, Naohisa Kamiyama, Yoko Okamura