Patents by Inventor Yasutaka Shindo
Yasutaka Shindo 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).
-
Publication number: 20240127501Abstract: An X-ray computed tomography imaging apparatus according to one embodiment includes processing circuitry. The processing circuitry obtains reconstructed image data corresponding to a second energy range including an energy range different from a first energy range. The processing circuitry infers motion-quantity information as to a region of interest included in the reconstructed image data, based on the reconstructed image data. The processing circuitry then corrects a quantity of motion of the region of interest included in reconstructed image data containing data corresponding to at least the first energy range, based on the motion-quantity information.Type: ApplicationFiled: October 4, 2023Publication date: April 18, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Masaharu TSUYUKI, Yasutaka SHINDO
-
Publication number: 20220313191Abstract: An X-ray computed tomography apparatus includes processing circuitry and a display. The processing circuitry is configured to perform reconstruction processing to raw data generated by a scan of a subject to reconstruct a medical image, and determine a posture of the subject at the time of the scan, according to an imaging condition reflecting an examination order for the scan. The display displays the medical image in association with information as to the posture.Type: ApplicationFiled: March 15, 2022Publication date: October 6, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Takahiro GOTO, Soichiro IWABUCHI, Yasutaka SHINDO
-
Patent number: 10531855Abstract: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, an X-ray detector, acquisition circuitry, a high voltage generator, and processing circuitry. The acquisition circuitry acquires electrical signals from a plurality of X-ray detection elements, and bundles the electrical signals in bundle units in accordance with a resolution mode of the X-ray detector. The processing circuitry determines a resolution mode, an application dose condition, and an X-ray exposure time for target CT imaging. The processing circuitry determines the focus size for the target CT imaging based on the determined resolution mode, application dose condition, and X-ray exposure time.Type: GrantFiled: December 27, 2017Date of Patent: January 14, 2020Assignee: Canon Medical Systems CorporationInventor: Yasutaka Shindo
-
Patent number: 10206635Abstract: According to one embodiment, an X-ray computed tomography apparatus includes a gantry for imaging a subject by X-ray CT and a console communicably connected to the gantry. The gantry includes a gantry body and a column unit. The gantry body has a bore into which the subject is inserted when the subject is imaged by X-ray CT. The column unit includes a first column which supports the gantry body slidably in a direction perpendicular to a floor surface and a second column which supports the first column slidably in a vertical direction.Type: GrantFiled: October 19, 2016Date of Patent: February 19, 2019Assignee: Toshiba Medical Systems CorporationInventors: Yasutaka Shindo, Hiroki Osaki
-
Publication number: 20180177478Abstract: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, an X-ray detector, acquisition circuitry, a high voltage generator, and processing circuitry. The acquisition circuitry acquires electrical signals from a plurality of X-ray detection elements, and bundles the electrical signals in bundle units in accordance with a resolution mode of the X-ray detector. The processing circuitry determines a resolution mode, an application dose condition, and an X-ray exposure time for target CT imaging. The processing circuitry determines the focus size for the target CT imaging based on the determined resolution mode, application dose condition, and X-ray exposure time.Type: ApplicationFiled: December 27, 2017Publication date: June 28, 2018Applicant: Toshiba Medical Systems CorporationInventor: Yasutaka Shindo
-
Publication number: 20170105691Abstract: According to one embodiment, an X-ray computed tomography apparatus includes a gantry for imaging a subject by X-ray CT and a console communicably connected to the gantry. The gantry includes a gantry body and a column unit. The gantry body has a bore into which the subject is inserted when the subject is imaged by X-ray CT. The column unit includes a first column which supports the gantry body slidably in a direction perpendicular to a floor surface and a second column which supports the first column slidably in a vertical direction.Type: ApplicationFiled: October 19, 2016Publication date: April 20, 2017Applicant: Toshiba Medical Systems CorporationInventors: Yasutaka SHINDO, Hiroki OSAKI
-
Patent number: 8128286Abstract: An X-ray CT apparatus includes: a base; a main frame including a pair of tilt shafts, the main frame being supported in a tiltable manner by the base with a pair of bearings interposed in between, the bearings configured to rotatably support the respective tilt shafts; an X-ray tube and an X-ray detector positioned to face each other; an annular rotor configured to hold the X-ray tube and the X-ray detector, the rotor rotatably supported by the main frame with a bearing interposed in between; and a pair of reinforcement members extended from the main frame. One end of each of the pair of tilt shafts is fixed to the main frame, and the other end of each of the pair of tilt shafts is fixed to the respective reinforcement members.Type: GrantFiled: September 11, 2009Date of Patent: March 6, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Yasutaka Shindo
-
Patent number: 7889837Abstract: A rotor is rotatably supported in a gantry housing having a substantially sealed structure. An X-ray tube is provided in the rotor. A cooler is provided in the rotor and cools a refrigerant within the X-ray tube. An X-ray detector is provided in the rotor. A reconstruction unit reconstructs an image on the basis of an output of the X-ray detector. A radiator is fixed inside the gantry housing at a position opposite to an exhaust opening of the cooler when the rotor is stationary.Type: GrantFiled: April 30, 2009Date of Patent: February 15, 2011Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tomonao Takamatsu, Hitoshi Hattori, Hideo Iwasaki, Harunobu Fukushima, Rika Hosaka, Tomohiko Jimbo, Tetsuya Sadotomo, Tomokazu Harada, Satoshi Ota, Makoto Nakano, Yasutaka Shindo, Katsumi Gotanda
-
Publication number: 20100067652Abstract: An X-ray CT apparatus includes: a base; a main frame including a pair of tilt shafts, the main frame being supported in a tiltable manner by the base with a pair of bearings interposed in between, the bearings configured to rotatably support the respective tilt shafts; an X-ray tube and an X-ray detector positioned to face each other; an annular rotor configured to hold the X-ray tube and the X-ray detector, the rotor rotatably supported by the main frame with a bearing interposed in between; and a pair of reinforcement members extended from the main frame. One ends of the pair of tilt shafts are fixed to the main frame, and the other ends of the pair of tilt shafts are fixed to the respective reinforcement members.Type: ApplicationFiled: September 11, 2009Publication date: March 18, 2010Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventor: Yasutaka SHINDO
-
Publication number: 20090279660Abstract: A rotor is rotatably supported in a gantry housing having a substantially sealed structure. An X-ray tube is provided in the rotor. A cooler is provided in the rotor and cools a refrigerant within the X-ray tube. An X-ray detector is provided in the rotor. A reconstruction unit reconstructs an image on the basis of an output of the X-ray detector. A radiator is fixed inside the gantry housing at a position opposite to an exhaust opening of the cooler when the rotor is stationary.Type: ApplicationFiled: April 30, 2009Publication date: November 12, 2009Inventors: Tomonao Takamatsu, Hitoshi Hattori, Hideo Iwasaki, Harunobu Fukushima, Rika Hosaka, Tomohiko Jimbo, Tetsuya Sadotomo, Tomokazu Harada, Satoshi Ota, Makoto Nakano, Yasutaka Shindo, Katsumi Gotanda
-
Patent number: 7508904Abstract: An X-ray CT apparatus, wherein a drum type rotation frame is rotatably supported by a fixed circular frame so as to surround an outer surface of the drum type rotation frame through a plurality of bearings provided between an inner surface of the fixing circular frame and an outer surface of the drum type rotation frame, for example in ring-like configuration. When the drum type rotation frame receives a large centrifugal acceleration due to a high speed rotation, outside expansion of the drum type rotation frame can be constrained due to both the rigidity of the fixed frame and the rigidity of the plurality of bearings provided on the outer surface of the rotation frame, thereby to maintain the relative positions of the X-ray tube and the X-ray detector and prevent deterioration of reconstructed images.Type: GrantFiled: May 14, 2007Date of Patent: March 24, 2009Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tomokazu Harada, Makoto Nakano, Tetsuya Sadotomo, Yasutaka Shindo, Katsumi Gotanda
-
Patent number: 7447294Abstract: An X-ray computed tomographic apparatus includes a cylindrical rotary base supported so as to be rotatable about a rotational axis, an X-ray tube unit mounted on the rotary base, an X-ray detecting unit mounted on the rotary base, and a reinforcing ring fixed to an end of the rotary base, and having a greater rigidity than the rotary base.Type: GrantFiled: September 7, 2006Date of Patent: November 4, 2008Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tetsuya Sadotomo, Tomokazu Harada, Makoto Nakano, Yasutaka Shindo, Katsumi Gotanda
-
Publication number: 20070274436Abstract: An X-ray CT apparatus, wherein a drum type rotation frame is rotatably supported by a fixed circular frame so as to surround an outer surface of the drum type rotation frame through a plurality of bearings provided between an inner surface of the fixing circular frame and an outer surface of the drum type rotation frame, for example in ring-like configuration. When the drum type rotation frame receives a large centrifugal acceleration due to a high speed rotation, outside expansion of the drum type rotation frame can be constrained due to both the rigidity of the fixed frame and the rigidity of the plurality of bearings provided on the outer surface of the rotation frame, thereby to maintain the relative positions of the X-ray tube and the X-ray detector and prevent deterioration of reconstructed images.Type: ApplicationFiled: May 14, 2007Publication date: November 29, 2007Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Tomokazu Harada, Makoto Nakano, Tetsuya Sadotomo, Yasutaka Shindo, Katsumi Gotanda
-
Publication number: 20070053479Abstract: An X-ray computed tomographic apparatus includes a cylindrical rotary base supported so as to be rotatable about a rotational axis, an X-ray tube unit mounted on the rotary base, an X-ray detecting unit mounted on the rotary base, and a reinforcing ring fixed to an end of the rotary base, and having a greater rigidity than the rotary base.Type: ApplicationFiled: September 7, 2006Publication date: March 8, 2007Inventors: Tetsuya Sadatomo, Tomokazu Harada, Makoto Nakano, Yasutaka Shindo, Katsumi Gotanda
-
Patent number: 6917665Abstract: An X-ray computed tomography apparatus for providing information of alignment, comprises an X-ray generator, an X-ray detector, and a controller. The X-ray generator generates an X-ray. The X-ray detector comprises a plurality of detecting segments in a slice direction and detects the X-ray generated by the X-ray generator. The controller provides the information of alignment between the X-ray generator and the X-ray detector in the slice direction on the basis of a detection information obtained from at least two of the detecting segments, wherein each of the at least two of the detecting segments is at least partially covered by a penumbra of the X-ray.Type: GrantFiled: October 30, 2002Date of Patent: July 12, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Satoru Nakanishi, Keiji Matsuda, Yasutaka Shindo, Miwa Okumura
-
Publication number: 20030091157Abstract: An X-ray computed tomography apparatus for providing information of alignment, comprises an X-ray generator, an X-ray detector, and a controller. The X-ray generator generates an X-ray. The X-ray detector comprises a plurality of detecting segments in a slice direction and detects the X-ray generated by the X-ray generator. The controller provides the information of alignment between the X-ray generator and the X-ray detector in the slice direction on the basis of a detection information obtained from at least two of the detecting segments, wherein each of the at least two of the detecting segments is at least partially covered by a penumbra of the X-ray.Type: ApplicationFiled: October 30, 2002Publication date: May 15, 2003Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Satoru Nakanishi, Keiji Matsuda, Yasutaka Shindo, Miwa Okumura