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    • 2. 发明专利
    • Visceral fat rate diagnostic device and x-ray ct apparatus incorporating the device
    • VISCERAL FAT RATE DIAGNOSTIC DEVICE和X-RAY CT APPARATUS INCORPORATING THE DEVICE
    • JP2005168815A
    • 2005-06-30
    • JP2003413295
    • 2003-12-11
    • Shimadzu Corp株式会社島津製作所
    • INOUE YOSHIHIROYAMAGISHI YOSHIYUKIIMANISHI TATSU
    • A61B6/03
    • PROBLEM TO BE SOLVED: To accurately measure the visceral fat rate even if a false fat image appears in an X-ray CT image.
      SOLUTION: When a false fat image appears in the X-ray CT image of a subject M, an object of measurement of the visceral fat rate, the whole false image is set as a visceral fat rate non-interest region in the X-ray CT image by a fat rate non-interest region setting part 19. As a result, the visceral fat rate is calculated by a visceral fat rate calculating part 18 only with the fat pixels out of the visceral fat rate non-interest region by excluding fat pixels within the visceral fate rate non-interest region. Accordingly, mingling of errors caused by the false fat image in the quantity of fat in calculating the visceral fat rate can be avoided, and therefore, the calculated visceral fat rate is accurate without including errors caused by the false fat image. In this way, the visceral fat rate of the subject M can be accurately measured even when the false fat image appears in the X-ray CT image.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:即使在X射线CT图像中出现假脂肪图像,也能准确测量内脏脂肪率。

      解决方案:当在受试者M的X射线CT图像中出现假脂肪图像时,测量内脏脂肪率的对象,将整个假图像设置为内脏脂肪率非感兴趣区域 通过脂肪率非兴趣区域设定部分19的X射线CT图像。结果,内脏脂肪率计算部18仅通过内脏脂肪率非兴趣区域之外的脂肪像素计算内脏脂肪率 通过排除内脏命运率非兴趣区域内的脂肪像素。 因此,可以避免在计算内脏脂肪率时由假脂肪图像引起的脂肪混合误差,因此,计算出的内脏脂肪率是准确的,不包括由假脂肪图像引起的误差。 这样,即使在X射线CT图像中出现假脂肪图像,也能够精确地测定被检体M的内脏脂肪率。 版权所有(C)2005,JPO&NCIPI

    • 3. 发明专利
    • Display control system and pet/ct system
    • 显示控制系统和PET / CT系统
    • JP2008194292A
    • 2008-08-28
    • JP2007033533
    • 2007-02-14
    • Shimadzu Corp株式会社島津製作所
    • IMANISHI TATSU
    • A61B6/03G01T1/161
    • PROBLEM TO BE SOLVED: To provide a means to confirm whether an area with high accumulation rate of radioactive isotopes is included within an imaging range when setting an imaging range of a radiolucent image.
      SOLUTION: In a PET/CT system, a PET image is first acquired by the PET system 30. A doctor or the like specifies an area with high probability of canceration (an area with high accumulation rate of radioactive isotopes) in the PET image on the basis of the acquired PET image. An imaging range of a radiolucent image is then determined on the basis of the area with high accumulation rate of radioactive isotopes. When such a range is determined, an input section 2 is operated to display on an image display section 6, via an index display control section 10, an index showing on the PET image the imaging range of a radiolucent image. Because the index shows the imaging range of a radiolucent image, doctors or the like can confirm, before carrying out radiolucent imaging, whether the area with high accumulation rate of radioactive isotopes is included within the imaging range of the radiolucent image.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种在设置射线可见图像的成像范围时,确认放射性同位素积累率高的区域是否包含在成像范围内的手段。 解决方案:在PET / CT系统中,PET图像首先由PET系统30获取。医生等指定了具有高概率癌变(放射性同位素积累率高的区域)的区域 PET图像在获取PET图像的基础上。 然后根据具有高放射性同位素积累率的区域确定射线可透视图像的成像范围。 当确定这样的范围时,操作输入部分2,通过索引显示控制部分10在图像显示部分6上显示在PET图像上显示出射线可见影像的成像范围的指标。 由于该指标显示了射线可透视图像的成像范围,所以医生等可以在进行射线可见成像之前,确认放射性同位素积累率高的区域是否包含在射线可见影像的成像范围之内。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Medical image diagnostic apparatus
    • 医学图像诊断装置
    • JP2006087540A
    • 2006-04-06
    • JP2004274399
    • 2004-09-22
    • Shimadzu Corp株式会社島津製作所
    • IMANISHI TATSUHIGUCHI AKIRAYAMAGISHI YOSHIYUKI
    • A61B6/03G01T1/161
    • A61B6/037A61B6/032A61B6/4417
    • PROBLEM TO BE SOLVED: To provide a PET/CT system capable of properly setting a range where X-ray CT inspection is done based on the result of PET diagnosis. SOLUTION: A medical image diagnostic apparatus equipped with a PET section, an X-ray CT section, and a bed section for mounting a subject has an image data generating section 31 generating a plurality kinds of images such as a PET image, an SUV image, and a transmission image based on the data acquired by the PET section, and an inspection range setting section 34 capable of displaying the plurality of kinds of images generated by the image data generating section 31 as images for setting an inspection range and making an operator set the range to be inspected by the X-ray CT section on the images for setting the inspection range. The images for setting the inspection range can be displayed in a plurality of volume displaying configurations by the inspection range setting section. Further, the apparatus is equipped with a setting range confirmation means displaying the inspection range set by the inspection range setting section 32 as an axial (a body axis) tomogram. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够根据PET诊断结果适当地设定进行X射线CT检查的范围的PET / CT系统。 解决方案:配备有PET部,X射线CT部和用于安装被检体的床部的医用图像诊断装置具有图像数据生成部31,其生成PET图像等多种图像, SUV图像和基于由PET部获取的数据的发送图像,以及能够将由图像数据生成部31生成的多种图像显示为用于设定检查范围的图像的检查范围设定部34,以及 操作人员将图像上的X射线CT部分设置为检查范围。 用于设置检查范围的图像可以通过检查范围设置部分以多个体积显示配置显示。 此外,该装置配备有将由检查范围设定部32设定的检查范围作为轴(体轴)断层图像显示的设定范围确认单元。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • X-ray ct apparatus
    • X射线CT装置
    • JP2005168870A
    • 2005-06-30
    • JP2003414555
    • 2003-12-12
    • Shimadzu Corp株式会社島津製作所
    • YAMAGISHI YOSHIYUKIIMANISHI TATSU
    • A61B6/03
    • PROBLEM TO BE SOLVED: To provide an X-ray CT apparatus for relieving burden in work on an operator concerning change into an X-ray exposure condition corresponding to target exposure dosage.
      SOLUTION: The apparatus comprises a condition setting part 21 for setting the X-ray exposure condition concerning X-ray tomography; an X-ray tomographic part 10 for performing X-ray tomography according to the set X-ray exposure condition; an operation table 30 for inputting and indicating the desired exposure dosage; and a change part 22 for changing the X-ray exposure condition set by the condition setting part 21 into the X-ray exposure condition corresponding to the exposure dosage inputted by the operation table 30. When the operator inputs and indicates the desired exposure dosage in the operation table 30, the change part 22 automatically performs change into the X-ray exposure condition corresponding to the inputted and indicated exposure dosage. Accordingly, the work for the operator to change the X-ray exposure condition through a trial and error process is eliminated, so as to relieve burden in the work on the operator concerning change into the X-ray exposure condition corresponding to the target exposure dosage.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种X射线CT装置,用于减轻与对应于目标曝光剂量的X射线曝光条件变化相关的操作者的工作负担。 解决方案:该装置包括用于设置关于X射线断层摄影的X射线曝光条件的条件设置部分21; 用于根据设定的X射线曝光条件执行X射线断层摄影的X射线断层摄影部分10; 用于输入和指示所需曝光剂量的操作台30; 以及改变部分22,用于将由条件设置部分21设置的X射线曝光条件改变成与由操作表30输入的曝光剂量相对应的X射线曝光条件。当操作者输入并指示所需的曝光剂量时 操作台30,改变部分22自动执行与输入和指示的曝光剂量对应的X射线曝光条件的变化。 因此,消除了通过试错过程来改变X射线曝光条件的操作者的工作,以减轻操作者关于对应于目标曝光剂量的X射线曝光条件变化的工作负担 。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Tomograph
    • 断层扫描
    • JP2011153976A
    • 2011-08-11
    • JP2010016669
    • 2010-01-28
    • Shimadzu Corp株式会社島津製作所
    • MIZUTA TETSUOIMANISHI TATSU
    • G01T1/161A61B5/055A61B6/03
    • PROBLEM TO BE SOLVED: To provide a tomograph capable of acquiring an image having high statistical precision, while preventing blur of the image. SOLUTION: Projection data in each phase are acquired by an emission data collection part 41, and the projection data in each phase acquired by the emission data collection part 41 are added by an emission data addition part 42. An image added by the emission data addition part 42 is reconstituted by an image reconstitution part 44 to acquire a tomographic image, and an initial image is updated by an image updating part 46 to acquire a final tomographic image based on the projection data in each phase acquired by the emission data collection part 41, by using the tomographic image reconstituted by the image reconstitution part 44 as the initial image. Since update is performed by using projection data in each phase, blur of the image can be prevented, and since the initial image is an added image, the image has high statistical precision, and the updated tomographic image is also an image having high statistical precision. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够获取具有高统计精度的图像的断层摄影机,同时防止图像模糊。

      解决方案:通过发射数据采集部分41获取每相中的投影数据,并且由发射数据收集部分41获取的每个相位中的投影数据由发射数据添加部分42相加。由 发射数据添加部分42由图像重构部分44重构以获取断层图像,并且由图像更新部分46更新初始图像,以基于由发射数据获取的每个相位中的投影数据获取最终断层图像 收集部分41,通过使用由图像重构部分44重构的断层图像作为初始图像。 由于通过在各相中使用投影数据进行更新,因此能够防止图像的模糊,并且由于初始图像为附加图像,所以图像具有高的统计精度,更新的断层图像也是具有高统计精度的图像 。 版权所有(C)2011,JPO&INPIT

    • 8. 发明专利
    • Nuclear medicine diagnosis device
    • 核医学诊断装置
    • JP2007333471A
    • 2007-12-27
    • JP2006163631
    • 2006-06-13
    • Shimadzu Corp株式会社島津製作所
    • OTANI ATSUSHIIMANISHI TATSU
    • G01T1/161A61B5/05
    • PROBLEM TO BE SOLVED: To provide a nuclear medicine diagnosis device capable of correctly calculating an SUV(Standardized Uptake Value). SOLUTION: A body fat percentage calculation part 19 calculates the body fat percentage of a body M under test from biologic electric impedance, weight, height and the like of the body M under test. An SUV compensation part 18 compensates an SUV calculated by an SUV calculation part 17 according to the body fat percentage of the body under test. Thereby, a correct SUV can be provided by preventing the SUV from being determined to be higher than the actual value in the case of a fat body M high in body fat percentage. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够正确计算SUV(标准摄取值)的核医学诊断装置。 解决方案:身体脂肪百分比计算部19根据被检体M的生物电阻抗,重量,高度等计算被检体M的体脂百分比。 SUV补偿部18根据被测体的身体脂肪百分比来补偿由SUV计算部17计算出的SUV。 由此,通过在脂肪体M的体脂肪率高的情况下,通过防止SUV被确定为高于实际值,能够提供正确的SUV。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Nuclear medicine diagnosis apparatus and diagnosis system used for same
    • 用于其的核医学诊断设备和诊断系统
    • JP2007271509A
    • 2007-10-18
    • JP2006099006
    • 2006-03-31
    • Shimadzu Corp株式会社島津製作所
    • IMANISHI TATSU
    • G01T1/161
    • PROBLEM TO BE SOLVED: To provide a nuclear medicine diagnosis apparatus for improving a resolution in a nuclear medicine data, and a diagnosis system used for it.
      SOLUTION: A rotating mechanism 30 rotates and drive a gamma-ray detector 3. A relative position between the gamma-ray detector 3 and a specimen M is changed by a half of an array pitch between detecting elements 3A. Since projection data are collected in a position of each detecting element 3A in the rotating gamma-ray detector 3, the gamma-ray detector 3 can detect and collect a plurality of projection data in proportion to a reduction in the array pitch to a half. The resolution in the projection data and a PET image such as a tomographic image can be improved without increasing the number of the detecting elements 3A.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于提高核医学数据中的分辨率的核医学诊断装置,以及用于其的诊断系统。 解决方案:旋转机构30旋转并驱动伽马射线检测器3.伽马射线检测器3和检体M之间的相对位置在检测元件3A之间变化了一半的阵列间距。 由于投影数据被收集在旋转γ射线检测器3中的每个检测元件3A的位置,所以伽马射线检测器3可以与阵列间距的减小成比例地检测并收集多个投影数据。 可以在不增加检测元件3A的数量的情况下改善投影数据中的分辨率和诸如断层图像的PET图像。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • X-ray emission composite ct apparatus, and x-ray ct apparatus
    • X射线发射复合CT装置和X射线CT装置
    • JP2007159769A
    • 2007-06-28
    • JP2005358857
    • 2005-12-13
    • Shimadzu Corp株式会社島津製作所
    • IMANISHI TATSU
    • A61B6/03G01T1/161
    • PROBLEM TO BE SOLVED: To reflect biological function information on a subject M to an X-ray CT imaging plan.
      SOLUTION: In a composite CT apparatus, a transparent X-ray image aquisition part 16 acquires a transparent X-ray image for making an X-ray CT photographic plan, and an RI distribution image aquisition section 20 acquires an MIP (maximum intensity projection) image as an RI distribution image where a photography visual field in the subject M and the orientation of the visual field corresponds to an X-ray image for making the X-ray CT photographic plan based on three-dimensional distribution data of radioisotope, and the transparent X-ray image and the MIP image for making the X-ray CT photographic plan are superimposed by an image superimposed display part 24 and projected on a screen of a display monitor 7. As the result of this, an operator can make the X-ray CT photographic plan exactly while adding biological function information of the MIP image to anatomical information of the transparent X-ray image. Thus, the biological function information on the subject M can be reflected to the X-ray CT imaging plan.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:将对象M的生物学功能信息反映到X射线CT成像计划。 解决方案:在复合CT装置中,透明X射线图像获取部16获取用于制作X射线CT摄影计划的透明X射线图像,RI分布图像采集部20获取MIP(最大值) 强度投影)图像作为RI分布图像,其中对象M中的摄影视野和视野的取向对应于用于基于放射性同位素的三维分布数据进行X射线CT摄影计划的X射线图像 ,并且透明X射线图像和用于制作X射线CT摄影图案的MIP图像由图像叠加显示部分24叠加并投射在显示监视器7的屏幕上。结果,操作者可以 在将MIP图像的生物学功能信息添加到透明X射线图像的解剖信息的同时准确地进行X射线CT摄影计划。 因此,可以将关于被检体M的生物体功能信息反映到X射线CT成像计划。 版权所有(C)2007,JPO&INPIT