Patents by Inventor Yoshiyasu Hayashi
Yoshiyasu Hayashi 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: 20230360253Abstract: A medical information processing apparatus includes a processing circuit. The processing circuit is configured to: determine an operating area relating to a device having a predetermined movable range, identify positional coordinates corresponding to the operating area in an examination room and positional coordinates of an obstacle in the examination room, based on a camera image taken by an optical camera installed in the examination room; and report a detection result if the positional coordinates of the obstacle are included in the positional coordinates of the operating area.Type: ApplicationFiled: April 25, 2023Publication date: November 9, 2023Applicant: Canon Medical Systems CorporationInventors: Akihito TAKAHASHI, Yoshiyasu HAYASHI, Junichi YAMAGISHI, Yosuke KAYUKAWA, Hag Chang LEE, Hisayasu YUMIZA
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Publication number: 20230148985Abstract: An X-ray diagnosis apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured: to determine a region corresponding to a target object in an X-ray image, on the basis of the X-ray image; to calculate a statistical value related to the region, on the basis of a plurality of pixel values included in the region; and to set an X-ray condition related to generating X-rays, on the basis of the statistical value.Type: ApplicationFiled: November 11, 2022Publication date: May 18, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Yusuke KANNO, Yoshiyasu HAYASHI, Akio TETSUKA, Tomikazu ONO
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Publication number: 20220292655Abstract: A medical image processing apparatus of an embodiment includes processing circuitry acquiring an X-ray image about a subject, acquiring an ultrasonic image data about the subject, extracting an object contained in the X-ray image, and performing processing based on the position of the extracted object on the ultrasonic image data in accordance with the relative positional relation between a coordinate system in the X-ray image and a coordinate system in the ultrasonic image data to generate a composite image as a combination of a processed ultrasonic image data after being subjected to the processing and the X-ray image.Type: ApplicationFiled: March 14, 2022Publication date: September 15, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kazuhiro TANIYAMA, Hisato TAKEMOTO, Yoshiyasu HAYASHI, Tomoki FUJITO, Hirona OIKAWA, Yuya SUZUKI, Kenji MIZUTANI
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Publication number: 20210145386Abstract: An X-ray diagnostic apparatus according to an embodiment includes a storage, an imaging equipment, a display, an input interface, and processing circuitry. The storage memorizes medical images. The imaging equipment includes an X-ray tube configured to emit X-rays toward a subject and a detector configured to detect X-rays emitted from the X-ray tube. The display displays a plurality of medical images including X-ray images captured by the imaging equipment. The input interface accepts an operation instructing storage of a medical image displayed on the display. The processing circuitry identifies a medical image associated with a last-executed, targeted operation, among targeted operations related to any of medical images displayed on the display, and, when the input interface has accepted an operation instructing storage of a medical image displayed on the display, causes the storage to memorize the identified medical image.Type: ApplicationFiled: November 20, 2020Publication date: May 20, 2021Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Sho SASAKI, Ryoichi NAGAE, Masanori MATSUMOTO, Yoshiyasu HAYASHI, Shumpei OHASHI, Tomoki FUJITO
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Patent number: 10893840Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a holding device and processing circuitry. The holding device movably holds an X-ray generator and an X-ray detector. The processing circuitry generates an X-ray image of the subject, based on an output of the X-ray detector. The processing circuitry sets an interference judgment region between the holding device and an interference object, based on a landmark in the X-ray image. The processing circuitry controls movement of the holding device, based on the set interference judgment region.Type: GrantFiled: November 3, 2017Date of Patent: January 19, 2021Assignee: Canon Medical Systems CorporationInventors: Kazuo Imagawa, Yoshiyasu Hayashi, Masahiro Ozawa, Ko Fuchigami
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Patent number: 10758199Abstract: In an X-ray diagnostic apparatus according to an embodiment, an X-ray generator configured to irradiate an X-ray to a subject. An X-ray detector configured to detect the X-ray. Processing circuitry configured to generate a plurality of X-ray images chronologically based on X-rays that have passed through the subject to which a contrast media is injected, and that have been detected by the X-ray detector. The processing circuitry configured to extract a first image from among the X-ray images, the first image when any one of a change in a pixel value between predetermined two images and a predetermined region in one image is equal to or smaller than a threshold. A display configured to display, after the first image is extracted, a plurality of X-ray images that have been generated prior to the first image in reverse chronological order.Type: GrantFiled: August 27, 2015Date of Patent: September 1, 2020Assignee: Canon Medical Systems CorporationInventors: Yoshiyasu Hayashi, Nobuo Kobayashi, Kunio Shiraishi
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Patent number: 10684691Abstract: According to one embodiment, a gesture detection supporting system for an X-ray diagnosis includes memory circuitry, a sensor, processing circuitry and an attaching instrument. The memory circuitry stores an operation content of an X-ray diagnostic apparatus. The operation content is related to a gesture by a user. The sensor senses a gesture. The processing circuitry detects the gesture, based on an output from the sensor; acquire the operation content of the X-ray diagnostic apparatus, from the memory circuitry, based on a detection result of the gesture; and output operation information to the X-ray diagnostic apparatus, based on the operation content. The attaching instrument attaches the sensor to a ceiling of an examination room, an arm for driving an X-ray tube and an X-ray detector, an intravenous drip stand, an injector of a contrast agent, an X-ray protective board and/or a display for displaying an X-ray image.Type: GrantFiled: May 20, 2015Date of Patent: June 16, 2020Assignee: Canon Medical Systems CorporationInventors: Yoshiyasu Hayashi, Yuichiro Watanabe, Jun Sakakibara, Ko Fuchigami, Yusuke Kanno, Masaki Akiyama
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Patent number: 10398395Abstract: A medical image diagnostic apparatus includes storage circuitry and processing circuitry. The storage circuitry is configured to store three-dimensional medical image data that is obtained by imaging a subject. The processing circuitry is configured to set a region of attention in each of medical images of the three-dimensional medical image data corresponding to at least two directions. The processing circuitry is configured to calculate, based on the regions of attention, a region of interest in the three-dimensional medical image data on the subject. The processing circuitry is configured to calculate, based on voxel values of the region of interest, a parameter value relating to image processing on a medical image that is generated from the three-dimensional medical image data. The processing circuitry is configured to generate a display image by performing rendering processing on the basis of the three-dimensional medical image data and the parameter value.Type: GrantFiled: April 14, 2016Date of Patent: September 3, 2019Assignee: Canon Medical Systems CorporationInventors: Kazuki Utsunomiya, Hiroshi Kurosawa, Kousuke Sakaue, Yusuke Kano, Yoshiyasu Hayashi
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Patent number: 10321884Abstract: A supporting device according to an embodiment includes a holder, a supporter, and a controller. The holder holds a user terminal that includes a detection surface that detects an input operation by an operator. The supporter is connected to the holder and is movably provided so as to locate a user terminal at a predetermined position, the user terminal being held by the holder. The controller fixes the supporter in a state where the supporter is located at a predetermined position when the detection surface detects the input operation.Type: GrantFiled: October 16, 2015Date of Patent: June 18, 2019Assignee: Toshiba Medical Systems CorporationInventors: Yoshiyasu Hayashi, Shigeyuki Ishii, Kousuke Sakaue, Takuya Sakaguchi
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Patent number: 10206636Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a first apparatus, a second apparatus, movement instruction input circuitry and control circuitry. In accordance with a movement instruction, the control circuitry is configured to control the first and second apparatuses so that the first apparatus can be moved to the target position. The control circuitry is configured to perform a retraction operation and a restoration operation. The retraction operation is an operation in which the first apparatus starts moving toward the target position and continues to move toward the target position, with the second apparatus retracted. The restoration operation is an operation in which the second apparatus is returned to the original position while avoiding the collision with the first apparatus.Type: GrantFiled: June 10, 2016Date of Patent: February 19, 2019Assignee: Toshiba Medical Systems CorporationInventor: Yoshiyasu Hayashi
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Publication number: 20180125436Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a holding device and processing circuitry. The holding device movably holds an X-ray generator and an X-ray detector. The processing circuitry generates an X-ray image of the subject, based on an output of the X-ray detector. The processing circuitry sets an interference judgment region between the holding device and an interference object, based on a landmark in the X-ray image. The processing circuitry controls movement of the holding device, based on the set interference judgment region.Type: ApplicationFiled: November 3, 2017Publication date: May 10, 2018Applicant: Toshiba Medical Systems CorporationInventors: Kazuo IMAGAWA, Yoshiyasu HAYASHI, Masahiro OZAWA, Ko FUCHIGAMI
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Publication number: 20160361034Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a first apparatus, a second apparatus, movement instruction input circuitry and control circuitry. In accordance with a movement instruction, the control circuitry is configured to control the first and second apparatuses so that the first apparatus can be moved to the target position. The control circuitry is configured to perform a retraction operation and a restoration operation. The retraction operation is an operation in which the first apparatus starts moving toward the target position and continues to move toward the target position, with the second apparatus retracted. The restoration operation is an operation in which the second apparatus is returned to the original position while avoiding the collision with the first apparatus.Type: ApplicationFiled: June 10, 2016Publication date: December 15, 2016Applicant: Toshiba Medical Sytems CorporationInventor: Yoshiyasu HAYASHI
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Publication number: 20160307307Abstract: A medical image diagnostic apparatus includes storage circuitry and processing circuitry. The storage circuitry is configured to store three-dimensional medical image data that is obtained by imaging a subject. The processing circuitry is configured to set a region of attention in each of medical images of the three-dimensional medical image data corresponding to at least two directions. The processing circuitry is configured to calculate, based on the regions of attention, a region of interest in the three-dimensional medical image data on the subject. The processing circuitry is configured to calculate, based on voxel values of the region of interest, a parameter value relating to image processing on a medical image that is generated from the three-dimensional medical image dat. The processing circuitry is configured to generate a display image by performing rendering processing on the basis of the three-dimensional medical image data and the parameter value.Type: ApplicationFiled: April 14, 2016Publication date: October 20, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Kazuki UTSUNOMIYA, Hiroshi KUROSAWA, Kousuke SAKAUE, Yusuke KANO, Yoshiyasu HAYASHI
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Patent number: 9384545Abstract: An X-ray image diagnosis apparatus according to an embodiment includes: an image processing unit configured to create a synthesized image by synthesizing an X-ray image of a region of interest inside a given region and an X-ray image of a peripheral region excluding the region of interest in the given region, wherein when the region of interest is changed, the image processing unit acquires an X-ray image of a changed region which is in the region of interest before the change and is changed to the peripheral region, from the X-ray image of the region of interest before the change, and then superimposes the X-ray image of the changed region on the X-ray image of the peripheral region to create the synthesized image.Type: GrantFiled: November 28, 2012Date of Patent: July 5, 2016Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hisayuki Uehara, Toshiya Waku, Mitsuru Sakata, Yoshiyasu Hayashi
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Publication number: 20160038110Abstract: A supporting device according to an embodiment includes a holder, a supporter, and a controller. The holder holds a terminal device that includes a detection surface that detects an input operation by an operator. The supporter is connected to the holder and is movably provided so as to locate a terminal device at a predetermined position, the terminal device being held by the holder. The controller fixes the supporter in a state where the supporter is located at a predetermined position when the detection surface detects the input operation.Type: ApplicationFiled: October 16, 2015Publication date: February 11, 2016Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Yoshiyasu HAYASHI, Shigeyuki ISHll, Kousuke SAKAUE, Takuya SAKAGUCHI
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Publication number: 20160022239Abstract: In an X-ray diagnostic apparatus according to an embodiment, an X-ray generator configured to irradiate an X-ray to a subject. An X-ray detector configured to detect the X-ray. Processing circuitry configured to generate a plurality of X-ray images chronologically based on X-rays that have passed through the subject to which a contrast media is injected, and that have been detected by the X-ray detector. The processing circuitry configured to extract a first image from among the X-ray images, the first image when any one of a change in a pixel value between predetermined two images and a predetermined region in one image is equal to or smaller than a threshold. A display configured to display, after the first image is extracted, a plurality of X-ray images that have been generated prior to the first image in reverse chronological order.Type: ApplicationFiled: August 27, 2015Publication date: January 28, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Yoshiyasu HAYASHI, Nobuo KOBAYASHI, Kunio SHIRAISHI
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Publication number: 20150253865Abstract: According to one embodiment, a gesture detection supporting system for an X-ray diagnosis includes memory circuitry, a sensor, processing circuitry and an attaching instrument. The memory circuitry stores an operation content of an X-ray diagnostic apparatus. The operation content is related to a gesture by a user. The sensor senses a gesture. The processing circuitry detects the gesture, based on an output from the sensor; acquire the operation content of the X-ray diagnostic apparatus, from the memory circuitry, based on a detection result of the gesture; and output operation information to the X-ray diagnostic apparatus, based on the operation content. The attaching instrument attaches the sensor to a ceiling of an examination room, an arm for driving an X-ray tube and an X-ray detector, an intravenous drip stand, an injector of a contrast agent, an X-ray protective board and/or a display for displaying an X-ray image.Type: ApplicationFiled: May 20, 2015Publication date: September 10, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Yoshiyasu HAYASHI, Yuichiro WATANABE, Jun SAKAKIBARA, Ko FUCHIGAMI, Yusuke KANNO, Masaki AKIYAMA
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Patent number: 8971601Abstract: A medical image diagnosis device according to an embodiment of the present invention includes: an imaging unit that takes an image of a subject, with an X-ray generation unit which exposes the subject to X-rays and an X-ray detector which detects X-rays that have passed through the subject, being supported on a supporter; a control unit that controls so as to rotate and move the supporter with respect to the subject and take images of the subject from a plurality of viewpoints; a storage unit that stores image data taken from a plurality of the viewpoints; an image processing unit that classifies a plurality of pieces of the image data stored in the storage unit into a plurality of imaging ranges to generate thumbnail images; and a display unit that displays thumbnail images generated by the image processing unit.Type: GrantFiled: October 13, 2011Date of Patent: March 3, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Ryuji Zaiki, Yoshiyasu Hayashi, Nobuo Kobayashi, Teruomi Gunji
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Patent number: 8831173Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, first detector, second detector, arm, sliding mechanism, tilting mechanism, and control unit. The X-ray tube includes an anode to generate X-rays upon receiving electrons. The first detector has the first pixel size. The second detector has the second pixel size smaller than the first pixel size. The arm pivotally supports the X-ray tube, first detector, and second detector. The sliding mechanism slidably supports the first and second detectors so as to irradiate one of the first and second detectors with the X-rays generated by the X-ray tube. The tilting mechanism tiltably supports the X-ray tube to change the size of an effective X-ray focal spot on the anode. The control unit controls the sliding of the first and second detectors by the sliding mechanism upon interlocking with the tilting of the X-ray tube by the tilting mechanism.Type: GrantFiled: October 14, 2010Date of Patent: September 9, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Hisayuki Uehara, Reiko Hashimoto, Yoshiyasu Hayashi, Kunitoshi Matsumoto, Satoru Ohishi
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Publication number: 20130136332Abstract: An X-ray image diagnosis apparatus according to an embodiment includes: an image processing unit configured to create a synthesized image by synthesizing an X-ray image of a region of interest inside a given region and an X-ray image of a peripheral region excluding the region of interest in the given region, wherein when the region of interest is changed, the image processing unit acquires an X-ray image of a changed region which is in the region of interest before the change and is changed to the peripheral region, from the X-ray image of the region of interest before the change, and then superimposes the X-ray image of the changed region on the X-ray image of the peripheral region to create the synthesized image.Type: ApplicationFiled: November 28, 2012Publication date: May 30, 2013Inventors: Hisayuki UEHARA, Toshiya Waku, Mitsuru Sakata, Yoshiyasu Hayashi