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11. 发明授权

US07164745B2 X-ray CT apparatus 有权
标题翻译： X射线CT装置
公开(公告)号：US07164745B2
公开(公告)日：2007-01-16
申请号：US10882359
申请日：2004-07-02
申请人： Masaharu Tsuyuki
发明人： Masaharu Tsuyuki
IPC分类号： A61B6/00
CPC分类号： A61B6/00 , G01N23/043 , G01N23/046 , G01N2223/419 , G01N2223/612
摘要： An X-ray CT apparatus comprises an X-ray radiation source configured to radiate X-rays toward an object, an X-ray detector including a plurality of X-ray detection segments, each of which includes a plurality of detection elements, a rotation control unit configured to control rotation of the X-ray radiation source, a reconstruction unit configured to reconstruct a tomographic image based on data collected by the X-ray detector. As one aspect of the X-rays CT apparatus, there is provided a fluoroscopic image creation unit configured to create a fluoroscopic image on a plane that crosses X-ray path connecting focus of the X-ray source to the center of the X-ray detector. As another aspect of the X-rays CT apparatus, there is provided an X-ray detector which is shaped arc. As another aspect of the X-rays CT apparatus, there is provided an operation unit configured to operate a position of the X-ray radiation source. As another aspect of the X-rays CT apparatus, there is provided a data conversion unit configured to convert cone beam data into parallel beam data and a fluoroscopic image creation unit configured to create a fluoroscopic image on a plane based on the parallel beam data.
摘要翻译： X射线CT装置包括被配置为朝向物体辐射X射线的X射线辐射源，包括多个X射线检测段的X射线检测器，每个X射线检测段包括多个检测元件，旋转控制单元，其被配置为控制所述X射线辐射源的旋转;重建单元，被配置为基于由所述X射线检测器收集的数据来重建断层图像。作为X射线CT装置的一个方面，提供了一种荧光镜图像生成部，其在与X射线源的X射线路径连接的X射线路径的X轴方向的中心上形成荧光透视图像探测器。作为X射线CT装置的另一方面，提供了一种成形弧形的X射线检测器。作为X射线CT装置的另一方面，提供了构造成操作X射线辐射源的位置的操作单元。作为X射线CT装置的另一方面，提供了一种数据转换单元，被配置为将锥形束数据转换为并行光束数据，以及荧光镜图像生成单元，被配置为基于平行光束数据在平面上创建透视图像。

12. 发明申请

US20060198490A1 X-ray computed tomographic apparatus, image processing apparatus, and image processing method 有权
标题翻译： X射线计算机断层摄影装置，图像处理装置和图像处理方法
公开(公告)号：US20060198490A1
公开(公告)日：2006-09-07
申请号：US11367461
申请日：2006-03-06
申请人： Masaharu Tsuyuki , Satoru Nakanishi , Satoshi Saito
发明人： Masaharu Tsuyuki , Satoru Nakanishi , Satoshi Saito
IPC分类号： A61B6/00 , G01N23/00 , G21K1/12 , H05G1/60
CPC分类号： A61B6/032 , A61B6/027 , A61B6/4085 , A61B6/541 , G01N23/046 , G01N2223/419 , G01N2223/612 , G06T11/005 , G06T2211/412
摘要： An X-ray computed tomographic apparatus includes a gantry unit having a detector having X-ray detection element rows along a slice direction and an X-ray tube and acquiring projection data from a subject by helical scanning, an extraction unit extracting first and second projection data sets corresponding to first and second heartbeat periods from the acquired projection data, each of the first and second projection data sets covering an angle range required for the reconstruction of one frame image, a processing unit weighting each of the extracted first and second projection data sets with a weight corresponding to a data acquisition position and generating a third data set by combining the weighted first and second projection data sets, and a reconstruction processing unit reconstructing one frame image data set on the basis of the generated third data set.
摘要翻译：一种X射线计算机断层摄影装置，具备：具有检测器的台架单元，具有沿切片方向的X射线检测元件列和X射线管，并且通过螺旋扫描获取来自被检体的投影数据;提取单元，提取第一和第二投影从获取的投影数据对应于第一和第二心跳周期的数据集，第一和第二投影数据集中的每一个覆盖重建一帧图像所需的角度范围;处理单元，对提取的第一和第二投影数据以对应于数据获取位置的权重设置，并通过组合加权的第一和第二投影数据集合产生第三数据集，以及重构处理单元，基于所生成的第三数据集重建一帧图像数据集。

13. 发明授权

US06782071B1 Multi-slice X-ray computed tomography apparatus 有权
标题翻译：多切片X线计算机断层摄影仪
公开(公告)号：US06782071B1
公开(公告)日：2004-08-24
申请号：US10367761
申请日：2003-02-19
申请人： Masaharu Tsuyuki
发明人： Masaharu Tsuyuki
IPC分类号： G21K100
CPC分类号： A61B6/481 , A61B6/032 , A61B6/4085 , A61B6/488 , A61B6/504
摘要： An X-ray computed tomography apparatus, comprises an X-ray generator, an X-ray detector, a controller, and a display. The X-ray generator is configured to generate a first X-ray in a pre-scan mode and a second X-ray in an image scan mode. The X-ray detector is configured to detect a first transmission X-ray exposed through a specimen to a first exposure width of the X-ray detector along a body axis of the specimen, resulting from the first X-ray at a first scanning position in the pre-scan mode. The X-ray detector is further configured to detect a second transmission X-ray exposed through the specimen to a second exposure width of the X-ray detector along the body axis of the specimen, resulting from the second X-ray at a second scanning position in the image scan mode. The first exposure width is narrower than the second exposure width. The controller is configured to control the first scanning position and the second scanning position. The display is configured to display a first image based on the first transmission X-ray detected by the X-ray detector and a second image based on the second transmission X-ray detected by the X-ray detector.
摘要翻译：一种X射线计算机断层摄影装置，包括X射线发生器，X射线检测器，控制器和显示器。 X射线发生器被配置为以图像扫描模式生成预扫描模式的第一X射线和第二X射线。 X射线检测器被配置为沿着第一扫描位置的第一X射线，沿着检体的体轴，检测通过样本曝光的第一透射X射线至X射线检测器的第一曝光宽度在预扫描模式下。 X射线检测器还被配置为通过第二扫描从第二X射线检测沿着样本的身体轴线，将穿过样本的第二透射X射线检测到X射线检测器的第二曝光宽度位置在图像扫描模式。第一曝光宽度比第二曝光宽度窄。控制器被配置为控制第一扫描位置和第二扫描位置。显示器被配置为基于由X射线检测器检测到的第一透射X射线和基于由X射线检测器检测的第二透射X射线的第二图像来显示第一图像。

14. 发明授权

US5748696A Radiation computed tomography apparatus 失效
公开(公告)号：US5748696A
公开(公告)日：1998-05-05
申请号：US703088
申请日：1996-08-26
申请人： Hidehiro Fujita , Masatoshi Tomura , Hisashi Tachizaki , Hideki Fujimoto , Manabu Hiraoka , Masaharu Tsuyuki , Naoko Hasegawa , Tomoyasu Komori , Makoto Suzuki , Hiroshi Hori , Yasuo Maruyama
发明人： Hidehiro Fujita , Masatoshi Tomura , Hisashi Tachizaki , Hideki Fujimoto , Manabu Hiraoka , Masaharu Tsuyuki , Naoko Hasegawa , Tomoyasu Komori , Makoto Suzuki , Hiroshi Hori , Yasuo Maruyama
IPC分类号： A61B6/03 , A61B6/12 , A61B6/08
CPC分类号： A61B6/032 , A61B6/035 , A61B6/12 , A61B6/464 , A61B6/467 , A61B6/469 , A61B6/548
摘要： A radiation computed tomography apparatus of this invention includes a couch, a top board which carries the patient and is slidably arranged on the couch, a gantry which has an opening and acquires projection data of a patient by guiding the patient carried on the top board into the opening, reconstruction section for reconstructing the tomographic image of the patient by reconstructing the projection data acquired by the gantry, and adjusting section, arranged on or near the gantry, for adjusting the photographing condition of the patient for obtaining a predetermined tomographic image of the patient.

15. 发明申请

US20130012814A1 IMAGE DIAGNOSTIC APPARATUS AND METHOD OF CONTROLLING THE SAME 有权
标题翻译：图像诊断装置及其控制方法
公开(公告)号：US20130012814A1
公开(公告)日：2013-01-10
申请号：US13613266
申请日：2012-09-13
申请人： Hiroki TAGUCHI , Masaharu TSUYUKI
发明人： Hiroki TAGUCHI , Masaharu TSUYUKI
IPC分类号： A61B6/00
CPC分类号： A61B6/481 , A61B5/0037 , A61B5/055 , A61B6/469 , A61B6/486 , A61B6/488 , A61B6/541
摘要： An image diagnostic apparatus of an embodiment includes a density change acquisition unit, a trigger generating unit and a control unit. The density change acquisition unit is configured to acquire data corresponding to a temporal change in density of a contact agent injected into an object. The trigger generating unit is configured to generate a trigger when abnormal data has been detected by a first threshold processing of the data. The trigger is generated by a second threshold processing of data other than the abnormal data. The control unit is configured to perform a control of contrast imaging for the object based on the trigger.
摘要翻译：实施例的图像诊断装置包括密度变化获取单元，触发器生成单元和控制单元。密度变化获取单元被配置为获取与注入到对象中的接触剂的密度的时间变化相对应的数据。触发产生单元被配置为当通过数据的第一阈值处理检测到异常数据时产生触发。触发是通过异常数据以外的数据的第二阈值处理产生的。控制单元被配置为基于触发来执行对象的对比度成像的控制。

16. 发明授权

US07881423B2 X-ray CT apparatus and X-ray radiographic method 有权
标题翻译： X射线CT装置和X射线摄影法
公开(公告)号：US07881423B2
公开(公告)日：2011-02-01
申请号：US11467811
申请日：2006-08-28
申请人： Masaharu Tsuyuki , Toyoaki Tanaka
发明人： Masaharu Tsuyuki , Toyoaki Tanaka
IPC分类号： A61B6/00
CPC分类号： A61B6/032 , A61B6/5235
摘要： An X-ray CT apparatus is adapted for switchover between a CT mode to obtain a tomographic image of a subject and a transmission mode to obtain a transmission image of the subject, depending upon projection data acquired in an imager system thereof. The apparatus includes an image-data storage device that stores image data of the subject in a three-dimensional region, a three-dimensional image processor that performs a three-dimensional image processing on the image data and generates three-dimensional image data, for display, corresponding to a line-of-sight direction inputted from an input device, and a transmission-image generator that generates the transmission image as to the image-taking direction, from data acquired in the imager system aligned by the CPU.
摘要翻译： X射线CT装置适于在CT模式之间进行切换，以获得被摄体的断层图像和透射模式，以根据在其成像系统中获取的投影数据来获得被摄体的透射图像。该装置包括存储三维区域中的被摄体的图像数据的图像数据存储装置，对该图像数据进行三维图像处理并生成三维图像数据的三维图像处理装置，生成三维图像数据，显示，对应于从输入装置输入的视线方向，以及发送图像生成器，从通过CPU对准的成像器系统中获取的数据，生成关于拍摄方向的发送图像。

17. 发明申请

US20090060125A1 X-RAY CT APPARATUS 有权
标题翻译： X射线CT装置
公开(公告)号：US20090060125A1
公开(公告)日：2009-03-05
申请号：US12200065
申请日：2008-08-28
申请人： Masaharu TSUYUKI , Shinsuke Tsukagoshi
发明人： Masaharu TSUYUKI , Shinsuke Tsukagoshi
IPC分类号： A61B6/00
CPC分类号： A61B6/032 , A61B5/0402 , A61B6/0457 , A61B6/541
摘要： An X-ray CT apparatus sets at least an imaging-subject area to be imaged, and a heart imaging area included in the imaging-subject area and determined based on a position and size of a heart on a subject P. When an image is taken, the X-ray CT apparatus sets imaging conditions, such as whether electrocardiographic synchronization is required for imaging and a type of reconstruction mode, based on each set imaging area.
摘要翻译： X射线CT装置至少设置要成像的成像对象区域和包括在成像对象区域中的心脏成像区域，并且基于被检体P上的心脏的位置和大小来确定。当图像为采用X射线CT设备，基于每个设置的成像区域设置成像条件，诸如是否需要用于成像的心电图同步以及重建模式的类型。

18. 发明授权

US07298813B2 X-ray computed tomographic apparatus, image processing apparatus, and image processing method 有权
标题翻译： X射线计算机断层摄影装置，图像处理装置和图像处理方法
公开(公告)号：US07298813B2
公开(公告)日：2007-11-20
申请号：US11367461
申请日：2006-03-06
申请人： Masaharu Tsuyuki , Satoru Nakanishi , Satoshi Saito
发明人： Masaharu Tsuyuki , Satoru Nakanishi , Satoshi Saito
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B6/027 , A61B6/4085 , A61B6/541 , G01N23/046 , G01N2223/419 , G01N2223/612 , G06T11/005 , G06T2211/412
摘要： An X-ray computed tomographic apparatus includes a gantry unit having a detector having X-ray detection element rows along a slice direction and an X-ray tube and acquiring projection data from a subject by helical scanning, an extraction unit extracting first and second projection data sets corresponding to first and second heartbeat periods from the acquired projection data, each of the first and second projection data sets covering an angle range required for the reconstruction of one frame image, a processing unit weighting each of the extracted first and second projection data sets with a weight corresponding to a data acquisition position and generating a third data set by combining the weighted first and second projection data sets, and a reconstruction processing unit reconstructing one frame image data set on the basis of the generated third data set.
摘要翻译：一种X射线计算机断层摄影装置，具备：具有检测器的台架单元，具有沿着切片方向的X射线检测元件列和X射线管，并且通过螺旋扫描获取来自被检体的投影数据;提取单元，提取第一和第二投影从获取的投影数据对应于第一和第二心跳周期的数据集，第一和第二投影数据集中的每一个覆盖重建一帧图像所需的角度范围;处理单元，对提取的第一和第二投影数据以对应于数据获取位置的权重设置，并通过组合加权的第一和第二投影数据集合产生第三数据集，以及重构处理单元，基于所生成的第三数据集重建一帧图像数据集。

19. 发明申请

US20060210014A1 X-ray CT apparatus and data detecting method of X-ray CT apparatus 失效
标题翻译： X射线CT装置X射线CT装置及数据检测方法
公开(公告)号：US20060210014A1
公开(公告)日：2006-09-21
申请号：US11367324
申请日：2006-03-06
申请人： Miwa Okumura , Satoru Nakanishi , Masaharu Tsuyuki , Yasuo Saito
发明人： Miwa Okumura , Satoru Nakanishi , Masaharu Tsuyuki , Yasuo Saito
IPC分类号： A61B6/00 , G01N23/00 , G21K1/12 , H05G1/60
CPC分类号： A61B6/032 , A61B6/4014 , A61B6/405 , A61B6/482 , G06T11/006 , G06T2211/412
摘要： An X-ray CT apparatus comprises three X-ray generating units, three groups of detecting elements and a reconstructing unit. The three X-ray generating units are arranged so as to make an angle formed by a first X-ray exposure direction and a second X-ray exposure direction on a rotational plane thereof be a same angle as that formed by the second X-ray exposure direction and a third X-ray exposure direction on the rotational plane, the same angle being smaller than 120 degree. The three groups of detecting elements are arranged opposite to the three X-ray generating units respectively so as to make a field of view formed in a center wider than two side fields of view. The reconstructing unit is configured to reconstruct an image using detection data detected by at least desired one of the three groups of the detecting elements.
摘要翻译： X射线CT装置包括三个X射线产生单元，三组检测元件和重建单元。三个X射线产生单元被布置成使得其旋转平面上由第一X射线曝光方向和第二X射线曝光方向形成的角度与由第二X射线曝光方向和旋转平面上的第三X射线曝光方向，相同的角度小于120度。三组检测元件分别与三个X射线产生单元相对地布置，以便形成在比两个侧视场宽的中心的视场。重建单元被配置为使用由三组检测元件中的至少期望的一组检测的检测数据来重建图像。

20. 发明授权

US06876720B2 X-ray computed tomography apparatus 有权
标题翻译： X射线计算机断层摄影装置
公开(公告)号：US06876720B2
公开(公告)日：2005-04-05
申请号：US10281988
申请日：2002-10-29
申请人： Masaharu Tsuyuki
发明人： Masaharu Tsuyuki
IPC分类号： A61B6/00 , A61B6/03
CPC分类号： A61B6/481 , A61B6/032 , A61B6/469 , A61B6/488
摘要： An X-ray computed tomography apparatus monitors the density of a contrast medium injected into a subject with a CT value by a preparation scan so as to adjust the main scan start timing. A guidance output unit outputs guidance to the subject. A control unit compares the CT value of tomographic image data obtained by the preparation scan with the first threshold, supplies guidance data to the guidance output unit to output the guidance to the subject when the CT value has reached the first threshold. The control unit compares the CT value of the tomographic image obtained by the preparation scan with the second threshold different from the first threshold, and starts executing the main scan or preparing the execution of the main scan when the CT value has reached the second threshold.
摘要翻译： X射线计算机断层摄影装置通过准备扫描来监测注射到被检体中的造影剂的浓度，以调整主扫描开始时刻。引导输出单元向对象输出指导。控制单元将通过准备扫描获得的断层图像数据的CT值与第一阈值进行比较，将引导数据提供给引导输出单元，以在CT值达到第一阈值时向对象输出引导。控制单元将通过准备扫描获得的断层图像的CT值与不同于第一阈值的第二阈值进行比较，并且当CT值达到第二阈值时开始执行主扫描或准备主扫描的执行。

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