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公开(公告)号：US20150282778A1
公开(公告)日：2015-10-08
申请号：US14744082
申请日：2015-06-19
发明人： Tooru KATO , Hiroaki NAKAI , Kanta KOBUCHI
CPC分类号： A61B6/482 , A61B6/032 , A61B6/42 , A61B6/4208 , A61B6/4233 , A61B6/4241 , A61B6/4452 , A61B6/488 , A61B6/5205 , A61B6/54 , A61B6/542 , A61B6/544 , A61B6/545 , G06T11/005 , G06T2211/408
摘要： An X-ray CT apparatus includes: intensity distribution data acquiring circuitry is configured to acquire, by performing a first scan, intensity distribution data of X-rays being radiated from an X-ray tube and having passed through a subject; scan controlling circuitry is configured to estimate an X-ray dose with which it is possible to discriminate individual X-ray photons having passed through the subject based on the intensity distribution data and to cause a second scan that is for a photon counting CT purpose to be performed by causing the estimated dose of X-rays to be radiated from the X-ray tube to the subject; a counting result acquiring circuitry is configured to acquire, by the second scan, a counting result by counting the X-ray photons being radiated from the X-ray tube and having passed through the subject; and an image reconstructing circuitry is configured to reconstruct X-ray CT image data based on the counting result.
摘要翻译： X射线CT装置包括：强度分布数据获取电路被配置为通过执行第一扫描来获取从X射线管辐射并穿过被摄体的X射线的强度分布数据; 扫描控制电路被配置为估计X射线剂量，通过该X射线剂量可以基于强度分布数据来区分已经通过对象的各个X射线光子，并且引起用于光子计数CT目的的第二扫描 通过使X射线的估计剂量从X射线管照射到被检体来进行; 计数结果获取电路被配置为通过对从X射线管辐射并已通过被摄体的X射线光子进行计数来获取计数结果; 并且图像重构电路被配置为基于计数结果重建X射线CT图像数据。
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公开(公告)号：US20140024939A1
公开(公告)日：2014-01-23
申请号：US14035017
申请日：2013-09-24
发明人： Tooru KATO , Mikihito HAYASHI , Kanta KOBUCHI
IPC分类号： A61B8/14
CPC分类号： A61B8/14 , A61B8/08 , A61B8/4427 , A61B8/4438 , A61B8/461 , A61B8/462 , A61B8/463 , A61B8/465 , A61B8/467 , A61B8/5292 , A61B8/54 , A61B8/56 , A61B8/565 , A61B8/585 , G06F19/00
摘要： A portable ultrasound diagnosis apparatus includes: an ultrasound probe that transmits and receives an ultrasound wave to and from a subject; a processing unit being connected to the ultrasound probe and including a generating unit that generates image data of the subject on the basis of an ultrasound signal received by the ultrasound probe; a display controlling unit that exercises control so as to cause the image data to be displayed by an information terminal being connected to the processing unit and having a display unit; and an identifying unit that performs an identifying process on the basis of identification information of the information terminal. The display controlling unit exercises control so that the information terminal displays a diagnosis image area while varying the size thereof relative to the size of the display unit, in accordance with a result of the identifying process by the identifying unit.
摘要翻译： 便携式超声波诊断装置包括：超声波探头，其向受检者发送和接收超声波; 处理单元连接到所述超声波探头并且包括生成单元，所述生成单元基于由所述超声波探头接收的超声信号来生成所述被摄体的图像数据; 显示控制单元，其进行控制，以使所述图像数据由连接到所述处理单元并具有显示单元的信息终端显示; 以及识别单元，其基于所述信息终端的识别信息执行识别处理。 显示控制单元进行控制，使得信息终端根据识别单元的识别处理的结果，在相对于显示单元的大小改变其大小的同时显示诊断图像区域。
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3.发明申请X-RAY CT APPARATUS, IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING METHOD 审中-公开X射线CT装置，图像处理装置和图像处理方法公开(公告)号：US20160095564A1
公开(公告)日：2016-04-07
申请号：US14872478
申请日：2015-10-01
发明人： Tooru KATO , Hiroaki NAKAI
CPC分类号： A61B6/4241 , A61B6/032 , A61B6/4208 , A61B6/4233 , A61B6/52
摘要： An X-ray computed tomography (CT) apparatus according to an embodiment includes a photon-counting detector, correction circuitry, and reconstruction circuitry. The photon-counting detector includes a plurality of X-ray detection elements detecting X-ray photons applied from an X-ray tube. The correction circuitry corrects detection signals detected by the photon-counting detector for the respective X-ray detection elements, based on a centroid of an X-ray spectrum detected by the photon-counting detector. The reconstruction circuitry reconstructs a CT image based on the corrected detection signals.
摘要翻译： 根据实施例的X射线计算机断层摄影（CT）装置包括光子计数检测器，校正电路和重建电路。 光子计数检测器包括检测从X射线管施加的X射线光子的多个X射线检测元件。 校正电路基于由光子计数检测器检测的X射线光谱的质心，校正由各个X射线检测元件的光子计数检测器检测的检测信号。 重建电路基于校正的检测信号重建CT图像。
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公开(公告)号：US20160054454A1
公开(公告)日：2016-02-25
申请号：US14831086
申请日：2015-08-20
发明人： Tooru KATO , Hiroaki NAKAI , Mikihito HAYASHI
CPC分类号： G01N23/046 , G01N2223/505 , G01T1/17 , G01T1/2002 , G01T1/2985
摘要： An X-ray computer tomography (CT) apparatus according to an embodiment includes an X-ray source, an X-ray detector, and generating circuitry. The X-ray source radiates X-rays. The X-ray detector includes a scintillator including a first region close to the X-ray source and a second region distant from the X-ray source, an optical sensor that detects scintillator light obtained by converting the X-rays radiated from the X-ray source with the scintillator, and a variable layer that is provided in the scintillator and switchable between a first state in which the variable layer transmits the scintillator light between the first region and the second region and a second state in which the variable layer does not transmit the scintillator light between the first region and the second region. The generating circuitry generates a CT image based on a signal output from the X-ray detector.
摘要翻译： 根据实施例的X射线计算机断层摄影（CT）装置包括X射线源，X射线检测器和发生电路。 X射线源辐射X射线。 X射线检测器包括闪烁体，其包括靠近X射线源的第一区域和远离X射线源的第二区域;光学传感器，其检测通过将从X射线源辐射的X射线转换得到的闪烁体光， 以及设置在所述闪烁器中的可变层，并且在所述可变层透射所述第一区域和所述第二区域之间的所述闪烁体光的第一状态和所述可变层不在所述第二状态之间切换的可变层 在第一区域和第二区域之间传输闪烁体光。 生成电路基于从X射线检测器输出的信号生成CT图像。
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公开(公告)号：US20160029985A1
公开(公告)日：2016-02-04
申请号：US14884119
申请日：2015-10-15
发明人： Tooru KATO , Hiroaki Nakai , Mikihito Hayashi
CPC分类号： A61B6/4488 , A61B6/032 , A61B6/035 , A61B6/4233 , A61B6/4241 , A61B6/5205 , A61B6/586
摘要： To solve the problems described above, an X-ray computed tomography apparatus includes an X-ray tube, a scintillator, a photoelectric convertor, a thermal storage material, a rotating portion, a rotating mechanism, and image generating circuitry. The X-ray tube generates an X-ray. The scintillator converts the X-ray generated by the X-ray tube into light. The photoelectric convertor generates an electric signal based on the light obtained by conversion by the scintillator. The thermal storage material is attached to the photoelectric convertor, and absorbs heat. To the rotating portion, the X-ray tube, the scintillator, the photoelectric convertor, and the thermal storage material are attached. The rotating mechanism rotates the rotating portion around a subject. The image generating circuitry generates an image based on the electric signal generated by the photoelectric convertor.
摘要翻译： 为了解决上述问题，X射线计算机断层摄影装置包括X射线管，闪烁体，光电转换器，储热材料，旋转部分，旋转机构和图像产生电路。 X射线管产生X射线。 闪烁体将由X射线管产生的X射线转换为光。 光电转换器基于通过闪烁体的转换而获得的光产生电信号。 储热材料附着在光电转换器上，吸收热量。 在旋转部分安装有X射线管，闪烁体，光电转换器和蓄热材料。 旋转机构围绕被摄体旋转旋转部分。 图像产生电路基于由光电转换器产生的电信号产生图像。
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6.发明申请X-RAY CT APPARATUS, IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING METHOD 有权X射线CT装置，图像处理装置和图像处理方法公开(公告)号：US20150287193A1
公开(公告)日：2015-10-08
申请号：US14744645
申请日：2015-06-19
发明人： Tooru KATO , Daizo OIKAWA , Hiroaki NAKAI
CPC分类号： G06T7/0012 , A61B6/032 , A61B6/4241 , A61B6/482 , A61B6/5205 , G06K9/46 , G06K2009/4666 , G06T5/001 , G06T11/005 , G06T2207/10081 , G06T2207/10116 , G06T2211/408
摘要： An X-ray CT apparatus according to an embodiment includes acquiring circuitry and processing circuitry. The acquiring circuitry is configured to count photons derived from X-rays that have passed through a subject and to acquire a result obtained by discriminating energy levels of the counted photons as a counting result. The processing circuitry is configured to notify the acquiring circuitry of an energy dividing set that is set in accordance with an X-ray absorption characteristic of a substance designated by an operator, to receive the counting result acquired by the acquiring circuitry by allocating a counted value to each of a plurality of energy discrimination regions that are set in the energy dividing set, and to reconstruct image data by using the received counting result.
摘要翻译： 根据实施例的X射线CT装置包括采集电路和处理电路。 获取电路被配置为对已经通过被摄体的X射线衍生的光子进行计数，并且获得通过将计数的光子的能级判别为计数结果而获得的结果。 所述处理电路被配置为向所述获取电路通知根据由操作者指定的物质的X射线吸收特性设置的能量分配集，以通过分配计数值来接收由所述获取电路获取的计数结果 分配给能量分割集中的多个能量鉴别区域中的每一个，并且通过使用所接收的计数结果来重构图像数据。
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公开(公告)号：US20180098746A1
公开(公告)日：2018-04-12
申请号：US15723824
申请日：2017-10-03
发明人： Tooru KATO , Hiroaki NAKAI
摘要： An X-ray image diagnostic apparatus according to an embodiment includes a photon counting X-ray detector, calibration circuitry, and image generating circuitry. The photon counting X-ray detector includes a plurality of detection elements each of which is configured to detect X-rays and output a detection signal. The calibration circuitry calibrates a detection signal of each of the detection elements using a correction value calculated from a plurality of signals output from the detection elements and corresponding to a plurality of X-ray application conditions relating to continuous X-rays. The image generating circuitry generates an image using the calibrated detection signals of the detection elements.
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8.发明申请公开(公告)号：US20170290569A1
公开(公告)日：2017-10-12
申请号：US15470256
申请日：2017-03-27
发明人： Kazuki UTSUNOMIYA , Yusuke KANO , Shinya SUGIYAMA , Kei MORI , Tooru KATO , Hiroaki NAKAI
IPC分类号： A61B8/00
CPC分类号： A61B8/463 , A61B8/0825 , A61B8/085 , A61B8/14 , A61B8/406 , A61B8/4427 , A61B8/4477 , A61B8/464 , A61B8/465 , A61B8/466 , A61B8/467 , A61B8/469 , A61B8/488 , A61B8/565 , G06F19/00
摘要： According to one embodiment, a medical image processing apparatus includes a storage and processing circuitry. The storage stores a first image indicating a breast of an object captured by a medical image diagnostic apparatus and interpretation information associated with the first image. The processing circuitry generates, based on position information of a region of interest based on the interpretation information and information of an interpretation direction, schematic diagram information for adding information about a position of the region of interest onto a schematic diagram of the breast. The processing circuitry transmits information, including the schematic diagram information, for generating the schematic diagram.
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公开(公告)号：US20170261620A1
公开(公告)日：2017-09-14
申请号：US15446325
申请日：2017-03-01
发明人： Tooru KATO , Hiroaki NAKAI , Mikihito HAYASHI
CPC分类号： G01N23/046 , G01T1/17 , G01T1/171
摘要： A photon counting detector of an embodiment includes X-ray detection elements, a capacitor, and generating circuitry. The X-ray detection elements detect an X-ray and generate an electrical signal. The capacitor is provided for each of the X-ray detection element, and accumulates an electrical signal generated in each of the X-ray detection element. The generating circuitry has low sensitivity to radiation, and generates a digital signal by using an accumulation result of the electrical signal in the capacitors, and reference information that is stored in advance.
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公开(公告)号：US20170150932A1
公开(公告)日：2017-06-01
申请号：US15353339
申请日：2016-11-16
发明人： Tooru KATO , Mikihito HAYASHI , Hiroaki NAKAI
CPC分类号： A61B6/4241 , A61B6/032 , A61B6/4233 , A61B6/482 , A61B6/5205 , A61B6/5258 , A61B6/54
摘要： According to one embodiment, a photon counting imaging apparatus includes an X-ray tube, an X-ray detector, and data acquisition circuitry. The X-ray detector includes a detector pixel including photoelectric conversion cells each configured to individually generate an electrical signal of a predetermined pulse height, and output circuitry configured to generate an energy signal having a pulse height corresponding to energy of the X-rays based on the electrical signals from the photoelectric conversion cells. The data acquisition circuitry corrects the energy signal based on a relationship between an amplification factor and an applied voltage to the detector pixel during a period until the voltage applied to the detector pixel recovers from a breakdown voltage to a reverse bias voltage.
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