Patents by Inventor Koichiro Kurita
Koichiro Kurita 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).
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Publication number: 20240115236Abstract: In one embodiment, a contact-surface determination apparatus includes processing circuitry. This processing circuitry acquires an image depicting a contact surface of a ultrasonic probe, and determines a state of the contact surface of the ultrasonic probe on the basis of the acquired image.Type: ApplicationFiled: October 2, 2023Publication date: April 11, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Fumio MOCHIZUKI, Minori OHASHI, Ayako SUZUKI, Koichiro KURITA
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Publication number: 20240032896Abstract: An ultrasonic diagnosis apparatus according to an embodiment includes a processor. The processor acquires Doppler data that is obtained through ultrasonic transmission/reception in a Doppler mode and information about a type of the Doppler mode. The processor determines at least one executable measurement item for the Doppler data based on the information about the type of the Doppler mode.Type: ApplicationFiled: July 26, 2023Publication date: February 1, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Masashi USUMURA, Koichiro KURITA, Itsuki KUGA
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Publication number: 20240000416Abstract: An ultrasound diagnosis apparatus includes: a transmission and reception circuitry configured to perform, via an ultrasound probe, a first ultrasound scan on a first region in a subject who has a contrast agent injected and a second ultrasound scan on at least a part of a second region in the subject overlapping with the first region, the second ultrasound scan including transmitting and receiving two types of ultrasound waves of which one or both of amplitude levels and phases are different from each other; and processing circuitry configured to generate a blood flow image corresponding to one frame by implementing a Doppler method on the basis of a data sequence including reception data obtained from the first ultrasound scan performed multiple times in mutually the same position within the first region to have the second ultrasound scan performed in-between and to generate a contrast-enhanced image based on a result of the second ultrasound scan performed at least one time.Type: ApplicationFiled: September 13, 2023Publication date: January 4, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hiroki YOSHIARA, Tomohisa IMAMURA, Koichiro KURITA
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Patent number: 11801031Abstract: An ultrasound diagnosis apparatus includes: a transmission and reception circuitry configured to perform, via an ultrasound probe, a first ultrasound scan on a first region in a subject who has a contrast agent injected and a second ultrasound scan on at least a part of a second region in the subject overlapping with the first region, the second ultrasound scan including transmitting and receiving two types of ultrasound waves of which one or both of amplitude levels and phases are different from each other; and processing circuitry configured to generate a blood flow image corresponding to one frame by implementing a Doppler method on the basis of a data sequence including reception data obtained from the first ultrasound scan performed multiple times in mutually the same position within the first region to have the second ultrasound scan performed in-between and to generate a contrast-enhanced image based on a result of the second ultrasound scan performed at least one time.Type: GrantFiled: May 22, 2019Date of Patent: October 31, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hiroki Yoshiara, Tomohisa Imamura, Koichiro Kurita
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Patent number: 11759180Abstract: A medical system according to an embodiment includes a medical apparatus and a first terminal. The medical apparatus is configured to have medical information therein. The first terminal is configured to be communicably connected to the medical apparatus so as to be able to transmit and receive the medical information thereto and therefrom, to have a function of an access point, and to cause a display to display a first code containing identification information of the access point. The first terminal is configured to be communicably connected to a second terminal having read the first code so as to be able to transmit and receive medical information thereto and therefrom.Type: GrantFiled: May 30, 2019Date of Patent: September 19, 2023Assignees: CANON MEDICAL SYSTEMS CORPORATION, Canon Kabushiki KaishaInventors: Koichiro Kurita, Hiroyuki Torikai
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Patent number: 11730444Abstract: An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to perform a speckle noise reducing process on each of a plurality of images that were acquired by using an ultrasound wave and are in a time series. The processing circuitry is configured to calculate an index value indicating fluttering of image signal intensities in each of multiple positions within a region of interest, on the basis of the plurality of images resulting from the speckle noise reducing process.Type: GrantFiled: May 25, 2018Date of Patent: August 22, 2023Assignee: Canon Medical Systems CorporationInventors: Yasunori Honjo, Masaki Watanabe, Tetsuya Kawagishi, Koichiro Kurita
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Publication number: 20230080726Abstract: 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: ApplicationFiled: November 22, 2022Publication date: March 16, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Masaki WATANABE, Yuko KANAYAMA, Tetsuya KAWAGISHI, Yoshimi MUTO, Eiji GOTO, Koichiro KURITA, Shogo FUKUDA
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Patent number: 11534142Abstract: 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: GrantFiled: December 12, 2014Date of Patent: December 27, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Masaki Watanabe, Yuko Kanayama, Tetsuya Kawagishi, Yoshimi Muto, Eiji Goto, Koichiro Kurita, Shogo Fukuda
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Patent number: 11508104Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a measurement value related to the shape of a heart valve in medical image data. The processing circuitry is configured to cause a display to display a numerical value related to the shape of an artificial valve to be placed for the heart valve.Type: GrantFiled: May 12, 2020Date of Patent: November 22, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Keisuke Miyaki, Yu Igarashi, Koichiro Kurita
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Publication number: 20220313214Abstract: The ultrasonic diagnostic apparatus according to any of embodiments includes processing circuitry. The processing circuitry is configured to acquire ultrasonic image data by ultrasonic scanning. The processing circuitry is configured to acquire multiple contour candidates based on a quantitative value indicating a function of a tissue, and superimpose the multiple contour candidates on the acquired ultrasonic image data to display the multiple contour candidates on a display. The processing circuitry is configured to determine contour data out of the multiple contour candidates.Type: ApplicationFiled: March 30, 2022Publication date: October 6, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Koji ANDO, Mitsuo AKIYAMA, Kodai HIRAYAMA, Yasuhiko ABE, Koichiro KURITA
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Publication number: 20220304651Abstract: An ultrasound diagnostic apparatus includes processing circuitry and a display. The processing circuitry is configured to concurrently obtain a plurality of cardiac function indexes for at least two or more cardiac chambers including a left ventricle and a right ventricle among cardiac chambers appearing on an apical 4-chamber moving image of a subject during one or more heartbeats, based on boundary positions of the cardiac chambers appearing on the apical 4-chamber moving image. The display displays at least one or more of the plurality of cardiac function indexes.Type: ApplicationFiled: March 18, 2022Publication date: September 29, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yasuhiko ABE, Koichiro KURITA
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Patent number: 11452499Abstract: An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to generate ultrasound images in a time series on the basis of data acquired by transmitting and receiving an ultrasound wave. Every time an ultrasound image satisfying a predetermined condition is generated, the processing circuitry is configured to perform a position aligning process between the ultrasound image satisfying the predetermined condition and a reference image obtained in advance. The processing circuitry is configured to identify, within the ultrasound image satisfying the predetermined condition, a region of interest set in the reference image, on the basis of a result of the position aligning process and to track the region of interest in ultrasound images in a time series that are newly generated by the image generating unit during or after the position aligning process.Type: GrantFiled: January 11, 2019Date of Patent: September 27, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Shogo Fukuda, Yasuhiko Abe, Koichiro Kurita
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Patent number: 11272905Abstract: A medical image diagnostic apparatus according to the embodiment includes a scanner, image generating circuitry, marker generating circuitry, and control circuitry. The scanner performs scanning to generate an image of the inside of a subject. The image generating circuitry generates an image based on the result of scanning performed by the scanner. The marker generating circuitry generates a marker provided with information at a position serving as a reference for comparison with a certain structure. The control circuitry displays the image and the marker on the same screen of a display.Type: GrantFiled: July 17, 2015Date of Patent: March 15, 2022Assignee: Canon Medical Systems CorporationInventors: Koichiro Kurita, Masaki Watanabe, Eiji Goto, Shogo Fukuda
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Patent number: 11241216Abstract: A method of controlling a portable information terminal comprises causing the portable information terminal to display first operation screen data which is obtained by wireless communication with a medical diagnostic imaging apparatus and includes graphic data for reception of an operation from an operator and second operation screen data which is read to the portable information terminal and includes graphic data for reception of an operation from the operator, and causing the portable information terminal to generate, in accordance with the operations for the displayed first operation screen data and the displayed second operation screen data, a command signal for causing the medical diagnostic imaging apparatus to execute functions corresponding to the operations.Type: GrantFiled: September 9, 2016Date of Patent: February 8, 2022Assignee: Canon Medical Systems CorporationInventor: Koichiro Kurita
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Publication number: 20210401406Abstract: An ultrasonic diagnostic device according to an embodiment includes processing circuitry. The processing circuitry estimates a health state on the basis of a measurement value measured using ultrasonic image data. The processing circuitry determines an additional examination used to diagnose the health state, on the basis of the estimated health state. The processing circuitry outputs information indicative of the health state and the additional examination.Type: ApplicationFiled: June 30, 2021Publication date: December 30, 2021Applicants: National University Corporation Okayama University, CANON MEDICAL SYSTEMS CORPORATIONInventors: Norihisa TOH, Kousuke NAMIKI, Koichiro KURITA
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Patent number: 11191524Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes processing circuitry. The processing circuitry acquires first echo data in a first mode, and acquires second echo data in a second mode. The processing circuitry sequentially generates a first image including a B-mode image based on the first echo data in the first mode, and sequentially generates a second image not including a B-mode image based on the second echo data in the second mode. The processing circuitry sequentially generates a third image from pre-acquired volume data. The processing circuitry directs a display to sequentially display the first image and the third image in the first mode, and to sequentially display the second image and the third image in the second mode.Type: GrantFiled: September 28, 2018Date of Patent: December 7, 2021Assignee: Canon Medical Systems CorporationInventors: Yukifumi Kobayashi, Koichiro Kurita, Yutaka Kobayashi
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Publication number: 20210161511Abstract: The ultrasonic diagnostic apparatus according to the present embodiment includes an evaluating circuit, a frequency setting circuit, and a drive circuit. The evaluating circuit is configured to analyze a received signal of a predetermined depth based on received signals of ultrasonic wave to evaluate a degree of beam penetration to a deep portion. The frequency setting circuit is configured to set a transmission frequency based on a result evaluated by the evaluating circuit. The drive circuit is configured to generate a drive pulse based on the set transmission frequency.Type: ApplicationFiled: November 27, 2020Publication date: June 3, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hiroki YOSHIARA, Tomohisa IMAMURA, Akihiro KAKEE, Koichiro KURITA
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Patent number: 10835212Abstract: According to one embodiment, an ultrasonic diagnostic apparatus includes a transmission/reception circuit and processing circuitry. The transmission/reception circuit performs a first scan and a second scan, which are different in acoustic field in an elevation direction, by controlling at least one of transducers arranged along an azimuth direction and the elevation direction. The processing circuitry generates a first needle-enhanced image by using data acquired in the first scan, and generates a second needle-enhanced image by using data acquired in the second scan.Type: GrantFiled: March 3, 2017Date of Patent: November 17, 2020Assignee: Canon Medical Systems CorporationInventors: Fumio Mochizuki, Koichiro Kurita, Takeshi Fukasawa, Satoshi Matsunaga, Koji Kuroiwa, Shogo Fukuda
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Publication number: 20200273227Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a measurement value related to the shape of a heart valve in medical image data. The processing circuitry is configured to cause a display to display a numerical value related to the shape of an artificial valve to be placed for the heart valve.Type: ApplicationFiled: May 12, 2020Publication date: August 27, 2020Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Keisuke MIYAKI, Yu IGARASHI, Koichiro KURITA
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Patent number: 10609322Abstract: According to one embodiment, a medical diagnostic apparatus causes first display circuitry to display the medical image, generates a first compressed image by compressing the medical image, and wirelessly transmits the first compressed image. If marker information including position information is generated and wirelessly transmitted from the terminal device, the medical diagnostic apparatus receives the marker information. The medical diagnostic apparatus causes the first display circuitry to display a composite image in which a marker is composited on the medical image, based on the marker information. The medical diagnostic apparatus stores in storage circuitry the medical image which constitutes the composite image in accordance with a storage request.Type: GrantFiled: May 25, 2017Date of Patent: March 31, 2020Assignee: Canon Medical Systems CorporationInventor: Koichiro Kurita