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11. 发明专利

JP2009006027A Imaging device, and subject moving device 有权
标题翻译：成像装置和主体移动装置
公开(公告)号：JP2009006027A
公开(公告)日：2009-01-15
申请号：JP2007171704
申请日：2007-06-29
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： GONO MAKOTO , SATO KAZUHIKO , IGARASHI ISAMU
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To provide an imaging device to image a subject by moving a table part supporting the subject to an imaging space, in which optimum moving control can be performed to the table part in various imaging methods. SOLUTION: A characteristic quantity calculation part 104 calculates characteristic quantity representing moving characteristics of the table part 101 based on change by time of a position detected by a table position detecting part 103 such as the frequency or amplitude of periodic change of speed v. An imaging mode setting part 303 sets one of a plurality of imaging modes based on an instruction from an operator. A control parameter setting part 105 sets a control parameter to prescribe speed change of the table part 101 based on the determined characteristic quantity and the set imaging mode. A table move control part 107 controls move of the table part 101 using the control parameter. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种成像装置，通过将支撑对象的台部件移动到成像空间来对被摄体进行成像，其中可以以各种成像方法对桌面部分进行最佳移动控制。解决方案：特征量计算部分104基于由表位置检测部分103检测到的位置的时间变化来计算表示表部分101的移动特性的特征量，例如速度v的周期性变化的频率或幅度成像模式设定部303基于来自操作者的指示来设定多个拍摄模式中的一个。控制参数设定部105基于所确定的特征量和设定的摄像模式，设定控制参数来规定台部101的速度变化。台移动控制部107使用控制参数来控制台部101的移动。版权所有（C）2009，JPO＆INPIT

12. 发明专利

JP2008148919A X-ray ct equipment 有权
标题翻译： X射线CT设备
公开(公告)号：JP2008148919A
公开(公告)日：2008-07-03
申请号：JP2006339855
申请日：2006-12-18
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： WATANABE SEIKI , GONO MAKOTO , KADOTA HISAYA
IPC分类号： A61B6/03
CPC分类号： A61B6/027
摘要： PROBLEM TO BE SOLVED: To provide X-ray CT equipment appropriately executing contrast radiography.
SOLUTION: This X-ray CT equipment is provided with: a radiographing section executing a helical scan advancing from one end side to the other end side of a radiographing range set along the body axis of a subject, where contrast media are injected, using a cone beam X-ray source and a multi-row X-ray detector, and reconstructing an image based on the acquired projection data; and a control section for controlling it; wherein the control section controls the advance speed of the helical scan based on a comparison of data derived from a detector row in a relatively front side in regard to the advancing direction of the helical scan, with data derived from a detector row in a relatively rear side out of the detection rows of the multi-row X-ray detector.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供适当执行造影剂X射线CT设备。解决方案：该X射线CT设备具有：执行螺旋扫描的射线照相部分，其沿着沿着被检体的体轴设置的射线照相范围的一端侧到另一端侧前进，其中注射造影剂使用锥形束X射线源和多行X射线检测器，并且基于所获取的投影数据重建图像; 以及用于控制它的控制部分。其特征在于，所述控制部基于从所述螺旋扫描的前进方向的相对前方的检测器列得到的数据与来自相对后方的检测器行的数据的比较来控制所述螺旋扫描的提前速度侧排出多行X射线检测器的检测行。版权所有（C）2008，JPO＆INPIT

13. 发明专利

JP2008006032A X-ray ct scanner and x-ray ct scanning method 审中-公开
标题翻译： X射线CT扫描仪和X射线CT扫描方法
公开(公告)号：JP2008006032A
公开(公告)日：2008-01-17
申请号：JP2006178873
申请日：2006-06-29
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： NISHIDE AKIHIKO , GONO MAKOTO , NUKUI MASAYASU , HAGIWARA AKIRA , MORIKAWA KOTOKO
IPC分类号： A61B6/03
CPC分类号： A61B6/4035 , A61B6/027 , A61B6/032 , G01N23/046 , G01N2223/419 , G06T11/005
摘要： PROBLEM TO BE SOLVED: To realize an image-quality improvement of tomograms in an X-ray CT scanner by a multiarray X-ray detector. SOLUTION: The X-ray CT scanner makes the width of an X-ray beam D/2 or nearly D/2 with respect to the width D of the multiarray detector on the central axis of rotation in both scan positions in continuously performing a conventional scan (axial scan) or a cinematographic scan at different scan positions in the z-axis direction or makes the clearance between the scan position and the scan position equal to or smaller than D. The invention can improve the heterogeneity of image quality depending on the positions on the z axis of a reorganization plane. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过多阵列X射线检测器实现X射线CT扫描仪中的断层图像的图像质量改善。
解决方案：X射线CT扫描仪在两个扫描位置连续地使得相对于多阵列检测器的宽度D在旋转的中心轴上的X射线束的宽度D / 2或接近D / 2 在z轴方向的不同扫描位置执行常规扫描（轴向扫描）或电影扫描，或使扫描位置和扫描位置之间的间隙等于或小于D.本发明可以改善图像质量的异质性取决于重组平面的z轴上的位置。版权所有（C）2008，JPO＆INPIT

14. 发明专利

JP2007135668A X-ray ct apparatus 有权
标题翻译： X射线CT装置
公开(公告)号：JP2007135668A
公开(公告)日：2007-06-07
申请号：JP2005329855
申请日：2005-11-15
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： GONO MAKOTO , SHINYA MASAE , FUJISAWA YASUO
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To provide an X-ray CT apparatus which carries out CT photography at an appropriate X-ray tube current with consideration of changes due to a subject's body motion.
SOLUTION: An electrocardiogram 5 detects repeated movements of the heart, and a scout image acquiring means 81 acquires scout image information for every phase having different movement. An appropriate tube current calculation means 82 then acquires appropriate tube current tables for every different phase of the heart and for every photography region using the scout image information. When starting photography, a projection information acquiring means 83 predicts the phase of the heart within each photography region, and CT photography is carried out using an appropriate tube current in accordance with the prediction. By doing so, CT photography is carried out using an appropriate tube current that corresponds to changes of shapes of the heart due to heartbeats, and tomographic image information with stabilized noise can be acquired.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种考虑由于受试者的身体运动引起的变化而在适当的X射线管电流下进行CT摄影的X射线CT装置。解决方案：心电图5检测心脏的重复移动，侦察图像获取装置81获取具有不同移动的每个相位的侦察图像信息。合适的管电流计算装置82然后使用侦察图像信息获取心脏的每个不同相位以及每个摄影区域的合适的管电流表。当开始拍摄时，投影信息获取装置83预测每个拍摄区域内的心脏的相位，并且根据该预测使用适当的管电流进行CT摄影。通过这样做，使用与由于心跳引起的心脏形状的变化相对应的适当的管电流进行CT摄影，并且可以获取具有稳定的噪声的断层图像信息。版权所有（C）2007，JPO＆INPIT

15. 发明专利

JP2006212308A Tomographic radiography device, simulation method for radiographic image and image simulation device 审中-公开
标题翻译：图像放射摄影装置，用于放射图像和图像模拟装置的模拟方法
公开(公告)号：JP2006212308A
公开(公告)日：2006-08-17
申请号：JP2005030060
申请日：2005-02-07
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： GONO MAKOTO
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To precisely estimate a noise occurring corresponding to scanning conditions.
SOLUTION: Re-projection data R1 is generated by re-projecting a sample image Sa, and in the re-projection data R1, a noise contained corresponding to scanning conditions of simulation S2 is estimated based on scanning conditions of sample S1 and the scanning conditions of simulation S2 to generate noise-estimating data NS. And a simulation image which is simulated corresponding to the scanning conditions of simulation S2 is generated based on the re-projection data R1 and the noise-estimating data NS.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：精确估计与扫描条件相对应的噪声。解决方案：通过重新投影样本图像Sa来生成再投影数据R1，并且在重新投影数据R1中，基于样本S1的扫描条件来估计与模拟S2的扫描条件相对应的噪声，模拟S2的扫描条件以产生噪声估计数据NS。并且基于再投影数据R1和噪声估计数据NS生成对应于模拟S2的扫描条件模拟的模拟图像。版权所有（C）2006，JPO＆NCIPI

16. 发明专利

JP2006075339A Radiographic apparatus and radiation scanning device thereof 有权
标题翻译：放射照相设备及其辐射扫描装置
公开(公告)号：JP2006075339A
公开(公告)日：2006-03-23
申请号：JP2004262518
申请日：2004-09-09
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： GONO MAKOTO
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To improve image quality and to efficiently utilize radiation.
SOLUTION: A center position computing part 61 computes the center position Pz (x, y) of a subject H at a position where X rays are applied to the subject H by an X-ray tube 20. Then, a filter controller 21a moves a filter 21 corresponding to the center position Pz (x, y) of the subject H computed by the center position computing part 61 when X rays are applied by the X-ray tube 20.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提高图像质量并有效利用辐射。解决方案：中心位置计算部分61通过X射线管20在X射线被施加到对象H的位置处计算被摄体H的中心位置Pz（x，y）。然后，滤波器控制器 21a通过X射线管20施加X射线时，移动与由中心位置计算部61计算出的被检体H的中心位置Pz（x，y）对应的过滤器21.版权所有（C）2006 ，JPO＆NCIPI

17. 发明专利

JP2005080839A Radiation tomograph apparatus and radiation tomography method 有权
标题翻译：辐射测量仪和辐射测量方法
公开(公告)号：JP2005080839A
公开(公告)日：2005-03-31
申请号：JP2003315505
申请日：2003-09-08
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： GONO MAKOTO , NUKUI MASAYASU
IPC分类号： G01T1/00 , A61B5/03 , A61B6/03 , G01N23/04 , G01T1/161 , H04N5/32
CPC分类号： A61B6/032 , G01N23/046 , G01N2223/419 , G01N2223/612
摘要： PROBLEM TO BE SOLVED: To upgrade the quality of the tomographic images by preventing a drop in contrast of the tomographic images attributed to the crosstalk and the generation of artifacts. SOLUTION: In a plurality of X-ray detection modules 23A and 23B disposed adjacent to each other, the fitting processing of the detection data is carried out so that first detection data A41 by the X-rays detected with the X-ray detectors adjacent to the interface K of the plurality of X-ray detection modules 23A and 23B is made to fit the waveform data based on second detection data A11, A21, A31, B21, B31 and B41 by the X-rays detected with the X-ray detectors surrounding them out of the detection data generated by the X-rays detected with the X-ray detectors arranged in an array. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过防止归因于串扰的断层图像和伪像的产生的对比度的降低来升级断层图像的质量。解决方案：在彼此相邻布置的多个X射线检测模块23A和23B中，执行检测数据的拟合处理，使得通过X射线检测到的X射线的第一检测数据A41 与多个X射线检测模块23A和23B的接口K相邻的检测器被配置为基于第二检测数据A11，A21，A31，B21，B31和B41的波形数据，由X检测的X射线在由以阵列布置的X射线检测器检测到的X射线产生的检测数据之外围绕它们的射线检测器。版权所有（C）2005，JPO＆NCIPI

18. 发明专利

JP2013099639A X-ray tomographic apparatus 有权
标题翻译： X-RAY TOMOGRAPHIC设备
公开(公告)号：JP2013099639A
公开(公告)日：2013-05-23
申请号：JP2013038204
申请日：2013-02-28
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： NISHIDE AKIHIKO , WATANABE SEIKI , GONO MAKOTO
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To improve image quality of dual energy tomographic images obtained by helical scan of an X-ray tomographic apparatus having a plurality of X-ray tubes.SOLUTION: An X-ray CT apparatus includes: a bed for placing a subject; a first X-ray generator and a second X-ray generator for generating X-rays; an X-ray detector which is disposed to face the first and second X-ray generators and collects projection data; a rotating part for rotating the first and second X-ray generators with the body axis of the subject as the axis; and a photographing control part which performs helical scan by relatively moving the first and second X-ray generators and the bed while rotating the first and second X-ray generators. The X-ray CT apparatus further includes an X-ray projection data control means which collects X-ray projection data at positions in the same body axis direction and at the same view angle, as respective X-ray projection data based on the X-rays generated from each of the first and second X-ray generators.
摘要翻译：要解决的问题：提高通过具有多个X射线管的X射线断层摄影装置的螺旋扫描获得的双能量断层图像的图像质量。解决方案：X射线CT装置包括：用于放置受试者的床; 用于产生X射线的第一X射线发生器和第二X射线发生器; X射线检测器，设置成面对第一和第二X射线发生器并收集投影数据; 旋转部件，用于使被检体的身体轴线作为轴线旋转第一和第二X射线发生器; 以及拍摄控制部，其通过在旋转所述第一和第二X射线发生器的同时相对移动所述第一和第二X射线发生器和所述床来执行螺旋扫描。 X射线CT装置还包括：X射线投影数据控制装置，其以与X射线投影数据相同的X射线投影数据为基础，以相同的体轴方向和相同的视角的位置收集X射线投影数据，从每个第一和第二X射线发生器产生的光线。版权所有（C）2013，JPO＆INPIT

19. 发明专利

JP2009297314A X-ray tomographic apparatus 审中-公开
标题翻译： X-RAY TOMOGRAPHIC设备
公开(公告)号：JP2009297314A
公开(公告)日：2009-12-24
申请号：JP2008156085
申请日：2008-06-16
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： NISHIDE AKIHIKO , WATANABE SEIKI , GONO MAKOTO
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To improve the image quality of a dual-energy tomographic image by the helical scan of an X-ray tomographic apparatus having a plurality of X-ray tubes.
SOLUTION: The X-ray CT apparatus 100 comprises: a bed 12 for placing a subject; a first X-ray generator 21-1 for generating X-rays; a second X-ray generator 21-2 for generating X-rays; an X-ray detector 24 disposed to face the first and second X-ray generators for collecting projection data; a rotating part 15 for rotating the first and second X-ray generators with the body axis of the subject as the axis; a tomography control part 37 for performing the helical scan by relatively moving the first and second X-ray generators and the bed while rotating the first and second X-ray generators by the rotating part; and an X-ray projection data control means for collecting X-ray projection data at positions in the same direction of body axis at the same view angle as respective X-ray projection data based on the X-rays generated from the first X-ray generator and the second X-ray generator respectively.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过具有多个X射线管的X射线断层摄影装置的螺旋扫描来提高双能量断层图像的图像质量。解决方案：X射线CT装置100包括：用于放置被检体的床12; 用于产生X射线的第一X射线发生器21-1; 用于产生X射线的第二X射线发生器21-2; 设置为面对第一和第二X射线发生器以收集投影数据的X射线检测器24; 旋转部15，用于使被检体的体轴作为轴的第一和第二X射线发生器旋转; 断层摄影控制部37，用于通过相对移动第一和第二X射线发生器和床，同时通过旋转部旋转第一和第二X射线发生器来执行螺旋扫描; 以及X射线投影数据控制装置，用于基于从第一X射线产生的X射线以与各X射线投影数据相同的视角收集与体轴相同方向的位置处的X射线投影数据发电机和第二台X射线发生器。版权所有（C）2010，JPO＆INPIT

20. 发明专利

JP2008279153A X-ray ct system 审中-公开
标题翻译： X射线CT系统
公开(公告)号：JP2008279153A
公开(公告)日：2008-11-20
申请号：JP2007127569
申请日：2007-05-14
申请人： Ge Medical Systems Global Technology Co Llc , ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー
发明人： NISHIDE AKIHIKO , GONO MAKOTO
IPC分类号： A61B6/03
摘要： PROBLEM TO BE SOLVED: To provide an X-ray CT system to provide dual energy tomographic image of high image quality. SOLUTION: The X-ray CT device is provided with an X-ray tube control part 2 to control an X-ray tube 21 to generate a first X-ray of a first X-ray tube voltage and a second X-ray of a second X-ray tube voltage, an X-ray data collecting part 25 to detect the first X-ray and the second X-ray passing a sample HB, and output first X-ray projection data and second X-ray projection data, an X-ray data collecting condition setting part 31 to set X-data collecting conditions with control of data collecting and integrating time for the first X-ray projection data, and data collecting and integrating time for the second X-ray projection data for conditions for collecting the first X-ray projection data and the second X-ray projection data, and a dual energy image recomposition means 38 to recompose dual energy tomographic images based on the first X-ray projection data and the second X-ray projection data collected using the X-ray data collecting conditions set by the X-ray data collecting condition setting part. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种X射线CT系统来提供高图像质量的双能量断层图像。解决方案：X射线CT装置设置有X射线管控制部分2，以控制X射线管21产生第一X射线管电压的第一X射线和第二X射线管，第二X射线管电压射线，X射线数据采集部25，检测第一X射线和通过样本HB的第二X射线，并输出第一X射线投影数据和第二X射线投影数据，X射线数据收集条件设定部31，用于设定通过第一X射线投影数据的数据采集和积分时间的控制的X数据采集条件，以及第二X射线投影数据的数据采集和积分时间用于收集第一X射线投影数据和第二X射线投影数据的条件，以及双能量图像重构装置38，用于基于第一X射线投影数据和第二X射线投影来重组双能量断层图像使用由X射线数据收集公司设置的X射线数据收集条件收集的数据修改设置部分。版权所有（C）2009，JPO＆INPIT

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