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    • 41. 发明专利
    • Image diagnostic device and control program of image diagnostic device
    • 图像诊断装置和图像诊断装置的控制程序
    • JP2011172924A
    • 2011-09-08
    • JP2011015810
    • 2011-01-27
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • TSUYUKI MASAYOSHITAGUCHI HIROMOTO
    • A61B6/03
    • A61B6/504A61B6/032A61B6/469A61B6/481
    • PROBLEM TO BE SOLVED: To provide an image diagnostic device improved in the monitoring accuracy of imaging degree, and a control program of the image diagnostic device.
      SOLUTION: The image diagnostic device includes a scan mechanism for repeatedly scanning a subject to repeatedly acquire acquisition data related to the subject, a generation part for generating medical image data related to the subject based on the acquisition data, a monitoring part for monitoring a change in the medical images based on a specific pixel value range having an upper limit and a lower limit, and a control part for controlling the practice of at least one prescribed action of changing the scan condition related to the scan by controlling the scan mechanism, stopping the scan, and outputting guidance to the subject based on the monitoring result of the monitoring means.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供改善成像度的监视精度的图像诊断装置和图像诊断装置的控制程序。 解决方案:图像诊断装置包括用于反复扫描对象以重复获取与被摄体有关的获取数据的扫描机构,用于基于获取数据生成与被摄体有关的医学图像数据的生成部分,用于 基于具有上限和下限的特定像素值范围来监视医学图像的变化;以及控制部,用于通过控制扫描来控制改变与扫描相关的扫描条件的至少一个规定动作的操作 机制,停止扫描,并且基于监视装置的监视结果向对象输出指导。 版权所有(C)2011,JPO&INPIT
    • 42. 发明专利
    • Medical image diagnostic apparatus
    • 医学图像诊断装置
    • JP2011120776A
    • 2011-06-23
    • JP2009281774
    • 2009-12-11
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • TSUYUKI MASAYOSHI
    • A61B6/03A61B5/055
    • PROBLEM TO BE SOLVED: To provide an X-ray CT apparatus capable of providing comfortable scanning for a patient, and capable of preventing retrial of scanning caused by a physiological phenomenon and unnecessary exposure of the patient. SOLUTION: The X-ray CT apparatus 1 includes a top board 28 on which a subject O can be placed, and a switch 33 set in such a range as can be operated by the subject O placed on the top board 28 for indicating at least the start of waiting period suggesting the start of the waiting time for scanning. After the elapse of the waiting period for scanning, scanning is executed and an image is generated based on the data collected by the scanning. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够为患者提供舒适扫描的X射线CT装置,并且能够防止由生理现象引起的扫描再次发生和患者的不必要的暴露。 解决方案:X射线CT装置1包括可以放置被摄体O的顶板28和设置在被放置在顶板28上的被摄体O可操作的范围内的开关33, 至少指示等待时间的开始,表明开始等待扫描时间。 在扫描等待时间过去之后,执行扫描,并且基于通过扫描收集的数据生成图像。 版权所有(C)2011,JPO&INPIT
    • 43. 发明专利
    • X-ray computed tomography apparatus
    • X射线计算机图像设备
    • JP2010264310A
    • 2010-11-25
    • JP2010192187
    • 2010-08-30
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • TSUYUKI MASAYOSHI
    • A61B6/03
    • PROBLEM TO BE SOLVED: To provide an X-ray computed tomography apparatus which has a practical effect for reducing an exposure dose by a wedge filter.
      SOLUTION: The X-ray computed tomography apparatus includes: a frame 1 having an X-ray tube 10 which can rotate around an examinee and an X-ray detector 23; a bed 2 with a top panel 2a which can move along two axes perpendicular to a rotating axis of the X-ray tube; a display section 38 which displays a cross-sectional image of the examinee; an operating section 39 for designating a point at any position on the cross-sectional image; a control section 30 which controls the movement of the top panel based on a difference between a position of the designated point and a position of the rotational axis of the X-ray tube in the two axial directions; and the wedge filter 11 which is arranged between the X-ray tube and the examinee in order to increase the dose of X-rays at the rotational axis and reduce at the periphery.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种具有通过楔形滤波器减少曝光剂量的实际效果的X射线计算机断层摄影装置。 解决方案:X射线计算机断层摄影装置包括:具有能够围绕被检体旋转的X射线管10和X射线检测器23的框架1; 床2具有顶板2a,其可以沿着与X射线管的旋转轴线垂直的两个轴线移动; 显示被检体的横截面图像的显示部38; 用于指定横截面图像上的任何位置处的点的操作部39; 控制部30,其基于指定点的位置与X射线管的旋转轴的位置在两个轴向上的差异来控制顶板的移动; 以及设置在X射线管和受检者之间的楔形过滤器11,以增加X轴在旋转轴处的剂量并在周边减小。 版权所有(C)2011,JPO&INPIT
    • 44. 发明专利
    • X-ray computerized tomographic equipment and image photographing measure
    • X射线计算机图像设备和图像摄影测量
    • JP2009148482A
    • 2009-07-09
    • JP2007330627
    • 2007-12-21
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • TSUYUKI MASAYOSHI
    • A61B6/03
    • PROBLEM TO BE SOLVED: To always warrant projection data required for the reconstruction of an image. SOLUTION: When the section of projection data used for the reconstruction is decided from electrocardiogram information and an image corresponding to a predetermined electrocardiogram phase is reconstructed according to the projection data corresponding to two or more heart beats, control is performed so as to extend the exposure period of X rays or a period, in which X-ray intensity is strong, during a period of at least one heart beat among two or more heart beats used for the reconstruction of the image. For example, control is performed so as to extend the exposure period of the X rays during a period of the first heart beat among two or more heart beats used for the reconstruction of the image. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:总是保证重建图像所需的投影数据。 解决方案:当用于重建的投影数据的部分由心电图信息确定,并且根据与两个或更多个心跳相对应的投影数据重建与预定的心电图相位对应的图像时,执行控制以便 在用于重建图像的两个或多个心跳中的至少一个心跳期间,延长X射线的曝光周期或其中X射线强度强的周期。 例如,进行控制,以便在用于重建图像的两个或更多个心跳中,在第一心跳期间延长X射线的曝光周期。 版权所有(C)2009,JPO&INPIT
    • 45. 发明专利
    • X-ray ct apparatus and method for roentgenography
    • X射线CT装置和方法
    • JP2007061426A
    • 2007-03-15
    • JP2005252330
    • 2005-08-31
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • TSUYUKI MASAYOSHITANAKA TOYOAKI
    • A61B6/03
    • A61B6/032A61B6/5235
    • PROBLEM TO BE SOLVED: To reduce exposure of X-rays to a patient in an X-ray CT apparatus provided with a both of CT mode and a fluoroscopic mode.
      SOLUTION: The X-ray CT apparatus 10 where the CT mode of obtaining a tomogram of a patient P on the basis of projection data obtained by a photographing system and the fluoroscopic mode of obtaining the fluoroscopic image of the patient P can be switched has: an image data storage means 35 which stores image data in a three-dimensional area about the patient P; a three-dimensional image processing means 34 which applies three-dimensional image processing to the image data in the three-dimensional area to generate three-dimensional image data for display corresponding to a photographing direction input from an input device 28; a display means 37 which displays the three-dimensional image data for display in the photographing direction as a three-dimensional image on a monitor 27; a CPU 20 for positioning a photographing system on the basis of the photographing condition; and a fluoroscopic image generation means 36 for generating the fluoroscopic image in the photographing direction from the data obtained by the photographing system positioned by the CPU 20.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:在具有CT模式和荧光透视模式两者的X射线CT装置中减少X射线对患者的暴露。 解决方案:根据由拍摄系统获得的投影数据和获得患者P的荧光透视图像的荧光检查模式,获得患者P的断层图像的CT模式的X射线CT装置10可以是 切换具有:图像数据存储装置35,其将图像数据存储在关于患者P的三维区域中; 三维图像处理装置34,其对三维区域中的图像数据进行三维图像处理,以生成与从输入装置28输入的拍摄方向相对应的显示的三维图像数据; 在监视器27上显示用于在拍摄方向显示的三维图像数据作为三维图像的显示装置37; 用于基于拍摄条件来定位拍摄系统的CPU 20; 以及荧光镜图像生成单元36,用于根据由CPU20定位的拍摄系统获得的数据,在摄影方向上生成荧光镜图像。(C)2007,JPO&INPIT
    • 46. 发明专利
    • X-ray computed tomography apparatus
    • X射线计算机图像设备
    • JP2005185549A
    • 2005-07-14
    • JP2003431162
    • 2003-12-25
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • TSUYUKI MASAYOSHI
    • A61B6/03
    • PROBLEM TO BE SOLVED: To make practical a reduction effect of an exposure dose by a wedge filter .
      SOLUTION: The apparatus of this invention includes a frame 1 having an X-ray tube 10 which can rotate around an examinee and an X-ray detector 23, a bed 2 having a top board 2a which can move along two axes which intersect a rotary shaft of the X-ray tube at right angles, a display section 38 to display a sectional image of the examinee, an operation section 39 for assigning a point at an arbitrary position on the sectional image, and a controlling section 30 which controls the movement of the top board 2a on the basis of a deviation between a position of the assigned point and a position of the rotation shaft of the X-ray tube in the directions of the two axes.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过楔形过滤器实现曝光剂量的实际减少效果。 解决方案:本发明的装置包括一个框架1,它具有一个X射线管10,该X射线管可围绕受检者旋转,一个X射线检测器23,一个具有可沿两个轴移动的顶板2a的床2, 与X射线管的旋转轴成直角相交,显示部38显示受检者的截面图像,用于分配截面图像上的任意位置的点的操作部39和控制部30, 基于指定点的位置与X射线管的旋转轴的位置在两个轴线的方向上的偏差来控制顶板2a的运动。 版权所有(C)2005,JPO&NCIPI
    • 47. 发明专利
    • X線CT装置
    • X射线CT扫描仪
    • JP2014195492A
    • 2014-10-16
    • JP2013071562
    • 2013-03-29
    • 学校法人藤田学園Fujita Gakuen東芝メディカルシステムズ株式会社Toshiba Medical Systems Corp
    • KATADA KAZUHIROTSUYUKI MASAYOSHI
    • A61B6/03
    • 【課題】コントラストの高い投影像を表示すること。【解決手段】実施形態のX線CT装置は、X線管球と、X線検出器と、回転フレームと、収集部と、投影像生成部と、制御部とを備える。X線管球は、X線を曝射する。X線検出器は、2次元状に配列されたX線検出素子により、前記X線管球から曝射されて被検体を透過したX線を検出する。回転フレームは、前記X線管球と前記X線検出器とを前記被検体の周囲で回転可能に支持する。収集部は、前記X線検出器が検出したX線の検出データから、投影データを収集する。投影像生成部は、前記回転フレームの回転中に、特定の管球位置である特定管球位置にて、異なる時間で前記収集部により収集された2つの投影データである第1投影データと第2投影データとの差分に基づいて、差分投影像データを生成する。制御部は、前記差分投影像データを表示装置に表示させる。【選択図】図1
    • 要解决的问题:显示高对比度投影图像。解决方案:根据一个实施例的X射线CT扫描器包括X射线管,X射线检测器,旋转框架,收集单元,投影图像 生成单元和控制单元。 X射线管发射X射线。 X射线检测器使用二维排列的X射线检测元件来检测从X射线管发射的X射线并通过被检体传播。 旋转框架围绕被摄体旋转地支撑X射线管和X射线检测器。 收集单元从由X射线检测单元检测的X射线的检测数据收集投影数据。 投影图像生成部基于作为两个投影数据的第一投影数据和第二投影数据之间的差异,在旋转帧的旋转期间,在作为规定的管位置的特定管位置处生成差分投影图像数据 由收集单位在不同时间收集。 控制单元使显示装置显示不同的投影图像数据。
    • 49. 发明专利
    • X-ray computer tomographic imaging system
    • X射线计算机图像成像系统
    • JP2007037782A
    • 2007-02-15
    • JP2005225537
    • 2005-08-03
    • Toshiba Information Systems (Japan) CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社東芝情報システム株式会社
    • TSUYUKI MASAYOSHIOTA TAKAMASA
    • A61B6/03
    • A61B6/541A61B6/503
    • PROBLEM TO BE SOLVED: To specify an optimal heart rate phase to an electrocardiograph synchronizing reconstruction in an X-ray computer tomographic imaging system which reconstructs image data under an electrocardiograph synchronizous reconstructing method based on data which is acquired by scanning a subject.
      SOLUTION: This X-ray computer tomographic imaging system comprises an X-ray tube 101 and an X-ray detector 102 for collecting projection data from the subject. Then, the X-ray computer tomographic imaging system forms an image in the subject based on the acquired projection data and heart rate information. The X-ray computer tomographic imaging system is equipped with a phase determining section 207 which respectively acquires movement amounts corresponding to a plurality of heart rate phases, acquires a movement amount between heart rate phases by performing a summation process to the projection data, and thus, performs a process for determining a heart rate phase having less movement based on the movement amount.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:在X射线计算机断层成像系统中为心电图仪同步重建指定最佳心率相位,该X射线计算机断层成像系统基于通过扫描对象获取的数据,以心电图同步重建方法重建图像数据。 解决方案:该X射线计算机断层成像系统包括用于收集来自对象的投影数据的X射线管101和X射线检测器102。 然后,X射线计算机断层图像成像系统基于获取的投影数据和心率信息在对象中形成图像。 X射线计算机断层成像系统配备有相位确定部207,其分别获取与多个心率相位对应的移动量,通过对投影数据进行求和处理,获取心率相位之间的移动量,从而 执行用于基于移动量确定具有较少移动的心率相位的处理。 版权所有(C)2007,JPO&INPIT