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1. 发明授权

US08625868B2 Radiation diagnostic apparatus and image reconstructing method 有权
标题翻译：辐射诊断仪和图像重建方法
公开(公告)号：US08625868B2
公开(公告)日：2014-01-07
申请号：US12880506
申请日：2010-09-13
申请人： Takuzo Takayama , Manabu Teshigawara , Kenta Moriyasu
发明人： Takuzo Takayama , Manabu Teshigawara , Kenta Moriyasu
IPC分类号： G06K9/00
CPC分类号： G01T1/1647 , A61B6/037 , G06T11/006
摘要： According to one embodiment, a radiation diagnostic apparatus includes a photon-counting detector, a counting information storage unit, an image reconstituting unit, and a controlling unit. The detector performs counting on light derived from incident radiation. The counting information storage unit stores therein counting information based on the counting result of the detector. The image reconstituting unit reconstitutes a medical image by performing a back projection process on projection data that is generated by use of the counting information stored in the counting information storage unit. After the reconstitution of the medical image, the controlling unit performs control so that all or part of the counting information is maintained in the counting information storage unit.
摘要翻译：根据一个实施例，辐射诊断装置包括光子计数检测器，计数信息存储单元，图像重构单元和控制单元。检测器对来自入射辐射的光进行计数。计数信息存储单元根据检测器的计数结果存储计数信息。图像重构单元通过对通过使用存储在计数信息存储单元中的计数信息生成的投影数据进行反投影处理来重构医学图像。在医疗图像的重构之后，控制单元进行控制，使得在计数信息存储单元中保持全部或部分计数信息。

2. 发明申请

US20110064293A1 RADIATION DIAGNOSTIC APPARATUS AND IMAGE RECONSTRUCTING METHOD 有权
标题翻译：辐射诊断设备和图像重构方法
公开(公告)号：US20110064293A1
公开(公告)日：2011-03-17
申请号：US12880506
申请日：2010-09-13
申请人： Takuzo TAKAYAMA , Manabu Teshigawara , Kenta Moriyasu
发明人： Takuzo TAKAYAMA , Manabu Teshigawara , Kenta Moriyasu
IPC分类号： G06K9/00 , G01T1/24
CPC分类号： G01T1/1647 , A61B6/037 , G06T11/006
摘要： According to one embodiment, a radiation diagnostic apparatus includes a photon-counting detector, a counting information storage unit, an image reconstituting unit, and a controlling unit. The detector performs counting on light derived from incident radiation. The counting information storage unit stores therein counting information based on the counting result of the detector. The image reconstituting unit reconstitutes a medical image by performing a back projection process on projection data that is generated by use of the counting information stored in the counting information storage unit. After the reconstitution of the medical image, the controlling unit performs control so that all or part of the counting information is maintained in the counting information storage unit.
摘要翻译：根据一个实施例，辐射诊断装置包括光子计数检测器，计数信息存储单元，图像重构单元和控制单元。检测器对来自入射辐射的光进行计数。计数信息存储单元根据检测器的计数结果存储计数信息。图像重构单元通过对通过使用存储在计数信息存储单元中的计数信息生成的投影数据进行反投影处理来重构医学图像。在医疗图像的重构之后，控制单元进行控制，使得在计数信息存储单元中保持全部或部分计数信息。

3. 发明申请

US20100264320A1 POSITRON EMISSION TOMOGRAPHY APPARATUS AND NUCLEAR MEDICAL IMAGE GENERATING METHOD 审中-公开
标题翻译： POSITRON排放测量装置和核医学图像生成方法
公开(公告)号：US20100264320A1
公开(公告)日：2010-10-21
申请号：US12754857
申请日：2010-04-06
申请人： Takuzo Takayama , Manabu Teshigawara , Takaya Umehara , Tomoyasu Komori
发明人： Takuzo Takayama , Manabu Teshigawara , Takaya Umehara , Tomoyasu Komori
IPC分类号： G01T1/164
CPC分类号： G01T1/2985 , A61B6/037
摘要： In a case that a gamma ray has entered into a plurality of scintillators adjacent to each other simultaneously, a detector detects the gamma ray having entered simultaneously. A position calculator calculates the ratio of wave heights representing the energies of the detected gamma ray. The position calculator obtains a trajectory of such a gamma ray that a ratio of distances passed by the gamma ray inside the plurality of scintillators, respectively, coincides with the ratio of the wave heights. The position calculator obtains an intersection between the boundary of the plurality of scintillators and the trajectory, as a passing position of the gamma ray. A reconstructing part executes a back projection process with the trajectory passing through the calculated passing position as a projection position.
摘要翻译：在伽马射线同时进入到彼此相邻的多个闪烁体的情况下，检测器检测同时进入的伽马射线。位置计算器计算表示所检测的伽马射线能量的波高的比率。位置计算器获得这样的伽马射线的轨迹，即，通过多个闪烁体内的伽马射线的距离的比率分别与波高的比率一致。位置计算器获得多个闪烁体的边界与轨迹之间的交点，作为伽马射线的通过位置。重建部件执行背投影处理，其中轨迹通过计算出的通过位置作为投影位置。

4. 发明授权

US09747706B2 Image reconstructing apparatus and image reconstructing method 有权
公开(公告)号：US09747706B2
公开(公告)日：2017-08-29
申请号：US12699387
申请日：2010-02-03
申请人： Manabu Teshigawara , Takuzo Takayama , Tomoyasu Komori , Takaya Umehara
发明人： Manabu Teshigawara , Takuzo Takayama , Tomoyasu Komori , Takaya Umehara
IPC分类号： G06K9/00 , G06T11/00
CPC分类号： G06T11/006 , G06T2211/421
摘要： When a group of (pre-processed) projection data is stored into a projection-data storage unit, a Gaussian-based expansion-data creating unit creates a group of Gaussian-based expansion data that is expanded from each of the group of projection data through linear combination based on a plurality of Gaussian functions that is stored by a Gaussian-function storage unit and has different center points. A reconstruction-image creating unit then creates a reconstruction image by using the Gaussian-based expansion-data created by the Gaussian-based expansion-data creating unit, and stores the created reconstruction image into an image storage unit.

5. 发明授权

US08604439B2 Nuclear medicine diagnosis apparatus 有权
标题翻译：核医诊断仪
公开(公告)号：US08604439B2
公开(公告)日：2013-12-10
申请号：US12976046
申请日：2010-12-22
申请人： Manabu Teshigawara , Takuzo Takayama , Takaya Umehara , Tomoyasu Komori
发明人： Manabu Teshigawara , Takuzo Takayama , Takaya Umehara , Tomoyasu Komori
IPC分类号： G01T1/164
CPC分类号： G01T1/40 , A61B6/037 , A61B6/5205 , A61B6/5258 , G01T1/2985 , G01T7/005
摘要： According to one embodiment, a nuclear medicine diagnosis includes a light signal generating unit, photodetection unit, measurement unit, calculation unit, and storage unit. The light signal generating unit repeatedly generates light signals. The photodetection unit repeatedly generates first output signals corresponding to intensities of the light signals, repeatedly generates second output signals corresponding to intensities of gamma rays emitted from a subject. The measurement unit repeatedly measures light signal detection times and repeatedly measures gamma ray detection times. The calculation unit calculates a difference between a target gamma ray detection time and a target light signal detection time of the light signal detection times for each of the gamma ray detection times. The target light signal detection time is measured before the target gamma ray detection time. The storage unit stores the calculated difference in association with a target second output signal of the second output signals.
摘要翻译：根据一个实施例，核医学诊断包括光信号发生单元，光电检测单元，测量单元，计算单元和存储单元。光信号发生单元重复产生光信号。光检测单元重复产生对应于光信号强度的第一输出信号，重复产生对应于从被摄体发射的伽马射线强度的第二输出信号。测量单元重复测量光信号检测时间并重复测量伽马射线检测时间。计算单元计算每个伽马射线检测时间的目标伽马射线检测时间和光信号检测时间的目标光信号检测时间之间的差。在目标γ射线检测时间之前测量目标光信号检测时间。存储单元将所计算的差与第二输出信号的目标第二输出信号相关联地存储。

6. 发明授权

US08373131B2 Nuclear medicine imaging apparatus and analyzing system 有权
标题翻译：核医学成像设备及分析系统
公开(公告)号：US08373131B2
公开(公告)日：2013-02-12
申请号：US13586949
申请日：2012-08-16
申请人： Manabu Teshigawara , Takuzo Takayama , Yuuji Yanagida , Takaya Umehara
发明人： Manabu Teshigawara , Takuzo Takayama , Yuuji Yanagida , Takaya Umehara
IPC分类号： G01T1/164
CPC分类号： G01N29/043 , G01N29/2418 , G01N29/2437 , G01N29/46
摘要： A PET apparatus includes an optical coupling detachment testing unit. In one example, the optical coupling detachment testing unit inputs an electric signal to a piezoelectric element or the like adhered to a detector module and generates a sound wave within the detector module. Further, the optical coupling detachment testing unit detects the sound wave propagated within the detector module and performs a frequency analysis on the detected sound wave. Subsequently, as a result of the analysis, the optical coupling detachment testing unit detects whether an optical coupling detachment has occurred by looking for a frequency distribution specific to a surface having an optical coupling detachment and/or comparing a frequency distribution with another frequency distribution from a previous test.
摘要翻译： PET装置包括光耦合脱离测试单元。在一个示例中，光耦合分离测试单元将电信号输入到粘附到检测器模块上的压电元件等，并在检测器模块内产生声波。此外，光耦合分离测试单元检测在检测器模块内传播的声波，并对检测到的声波执行频率分析。随后，作为分析的结果，光耦合分离测试单元通过寻找具有光耦合分离的表面的频率分布和/或将频率分布与另一频率分布进行比较来检测是否发生了光耦合分离以前的测试。

7. 发明授权

US09239393B2 Positron emission computed tomography apparatus and image processing apparatus 有权
标题翻译：正电子发射计算机断层摄影装置和图像处理装置
公开(公告)号：US09239393B2
公开(公告)日：2016-01-19
申请号：US13688531
申请日：2012-11-29
申请人： Manabu Teshigawara , Yasuhiro Noshi , Takuzo Takayama
发明人： Manabu Teshigawara , Yasuhiro Noshi , Takuzo Takayama
IPC分类号： G01T1/29 , G01T1/164 , A61B6/03
CPC分类号： G01T1/2985 , A61B6/037 , G01T1/1647
摘要： A positron emission computed tomography apparatus according to an embodiment includes a detector, a coincidence counting information generating unit, and a body movement detecting unit. The detector detects annihilation radiation released from a subject. The coincidence counting information generating unit searches for sets of counting information, which counted a pair of annihilation radiations at substantially the same time, from a counting information list that is generated from output signals of the detector; generates a set of coincidence counting information for each retrieved set of counting information; and generates a time series list of coincidence counting information. Based on the time series list of coincidence counting information, the body movement detecting unit detects temporal changes in the body movement of the subject.
摘要翻译：根据实施例的正电子发射计算机断层摄影装置包括检测器，重合计数信息生成单元和身体运动检测单元。检测器检测从受试者释放的湮灭辐射。符合计数信息生成单元从从检测器的输出信号生成的计数信息列表中，搜索基本相同的时间对一对湮灭辐射进行计数的计数信息组; 为每个检索的计数信息集合生成一组重合计数信息; 并生成符合计数信息的时间序列列表。身体运动检测部基于符合计数信息的时间序列列表来检测被检体的身体动作的时间变化。

8. 发明授权

US08598531B2 Radiation therapy apparatus and control method 有权
公开(公告)号：US08598531B2
公开(公告)日：2013-12-03
申请号：US13466252
申请日：2012-05-08
申请人： Manabu Teshigawara
发明人： Manabu Teshigawara
IPC分类号： G01T1/164
CPC分类号： A61N5/1081 , A61N5/1039 , A61N5/1049 , A61N2005/1052 , A61N2005/1074
摘要： According to one embodiment, a radiation therapy apparatus includes a radiation irradiation device, a detector included in a PET scanner, a control unit, and a PET image reconstruction unit. The radiation irradiation device emits a therapeutic radiation. The detector counts light derived from gamma rays, and is provided with a gap portion through which the therapeutic radiation passes on a plane of rotation about the body axis of a subject. The control unit controls the radiation irradiation device and the detector so as to rotate in synchronization with each other in a state capable of emitting the therapeutic radiation to the gap portion. The PET image reconstruction unit reconstructs a PET image based on position information at the time of counting of the detector that nearly coincidentally counts pair annihilation gamma rays in a state where the control unit performs rotation control.

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