专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US11768300B2 Transmission imaging in a pet scanner based on forward-scattered gamma rays with coincidence detection 有权
公开(公告)号：US11768300B2
公开(公告)日：2023-09-26
申请号：US17756910
申请日：2021-04-20
申请人： Siemens Medical Solutions USA, Inc.
发明人： James Hamill
IPC分类号： G01T1/161
CPC分类号： G01T1/1612 , G01T1/1617
摘要： Disclosed is a novel method of obtaining transmission scan data in a PET scanner by incorporating one or more stationary gamma-ray sources that provide forward scattered gamma-photons that can be used as transmission imaging radiation.

2. 发明申请

US20140217294A1 Method for Using LSO Background Radiation as a Transmission Source Using Time of Flight Information 审中-公开
标题翻译：使用LSO背景辐射作为使用飞行时间信息的传输源的方法
公开(公告)号：US20140217294A1
公开(公告)日：2014-08-07
申请号：US14172980
申请日：2014-02-05
申请人： Siemens Medical Solutions USA, Inc.
发明人： Harold E. Rothfuss , Christian J. Michel , James J. Hamill
IPC分类号： G01T1/29
CPC分类号： G01T1/1617
摘要： A method for using lutetium-based scintillator crystals' background beta decay emission in a positron emission tomography (PET) scanner as a transmission scan source for generating attenuation maps is disclosed.
摘要翻译：公开了在正电子发射断层摄影（PET）扫描仪中使用镥基闪烁体晶体的背景β衰变发射作为用于产生衰减图的透射扫描源的方法。

3. 发明授权

US09507033B2 Method and apparatus for compensating for scattering of emission gamma photons for PET imaging 有权
标题翻译：用于补偿PET成像发射γ光子散射的方法和装置
公开(公告)号：US09507033B2
公开(公告)日：2016-11-29
申请号：US14688435
申请日：2015-04-16
申请人： Siemens Medical Solutions USA, Inc
发明人： Harold E. Rothfuss , Vladimir Y. Panin
IPC分类号： G01T1/20 , G01T1/29 , G01T1/161
CPC分类号： G01T1/2985 , G01T1/1617
摘要： A process for operating a PET scanner includes acquiring, at a plurality of detector blocks of the PET scanner, emission data of gamma photons of a first energy level originating from annihilation events associated with radioactivity of a phantom in a field of view of the PET scanner. Based on the emission data, an emission block-pair scattering model is generated. The process includes acquiring counts of gamma photons of a second energy level originating from intrinsic background radiation of scintillator crystals of the detector blocks, without any phantom in the field of view, to provide blank scan data for the second energy level. A sinogram is generated based on the blank scan data for the second energy level. The emission block-pair scattering model is added to a scaled version of the sinogram to yield a composite model.
摘要翻译：一种用于操作PET扫描仪的过程包括在PET扫描器的多个检测器块处获取源自与PET扫描仪的视场中的体模的放射性有关的湮灭事件的第一能级的γ光子的发射数据。基于发射数据，生成发射块对散射模型。该过程包括获取源自检测器块的闪烁体晶体的本征背景辐射的第二能级的伽马光子的计数，而在视场中没有任何幻影，以提供用于第二能级的空白扫描数据。基于第二能级的空白扫描数据生成正弦图。将发射块对散射模型添加到缩放版的正弦图以产生复合模型。

4. 发明申请

US20060284097A1 Simultaneous scanning by computed tomography (CT) and single photon emission computed tomography (SPECT) with automatic patient motion correction 审中-公开
标题翻译：通过计算机断层扫描（CT）和单光子发射计算机断层扫描（SPECT）同时扫描与自动患者运动校正
公开(公告)号：US20060284097A1
公开(公告)日：2006-12-21
申请号：US11452825
申请日：2006-06-14
申请人： Sharon Wang , James Caruba
发明人： Sharon Wang , James Caruba
IPC分类号： G01T1/166
CPC分类号： G01T1/1648 , G01T1/1611 , G01T1/1617
摘要： A method for simultaneous CT and SPECT imaging in which CT data is acquired during each SPECT data acquisition window. SPECT scanning requires several seconds or minutes of gamma detection at each of several angular positions. CT scanning requires short duration X-ray pulses at each of several angular positions. In the present invention, the X-rays pulses are timed to occur at approximately a midpoint of time of each SPECT gamma detection period. Preferably, the SPECT gamma detection is disabled during each X-ray pulse. Consequently, there is improved position registration between CT and SPECT data. Also included is an embodiment in which SPECT data is collected synchronously with a patient's breathing. Accurate registration between CT images and SPECT images is provided.
摘要翻译：一种用于同时CT和SPECT成像的方法，其中在每个SPECT数据采集窗口期间获取CT数据。在几个角度位置的每个位置，SPECT扫描需要几秒或几分钟的伽马检测。 CT扫描需要在几个角位置的每一个处需要短时间的X射线脉冲。在本发明中，X射线脉冲定时发生在每个SPECT伽马检测周期的大约中点的时间点。优选地，在每个X射线脉冲期间禁用SPECTγ检测。因此，改进了CT和SPECT数据之间的位置配准。还包括其中SPECT数据与患者的呼吸同步收集的实施例。提供CT图像和SPECT图像之间的准确配准。

5. 发明授权

US08059880B2 Nuclear medicine diagnosis device, form tomography diagnosis device, nuclear medicine data arithmetic processing method, and form tomogram arithmetic processing method 有权
标题翻译：核医学诊断装置，形态断层摄影诊断装置，核医学数据运算处理方法和形式断层图算术处理方法
公开(公告)号：US08059880B2
公开(公告)日：2011-11-15
申请号：US12344417
申请日：2008-12-26
申请人： Tetsuro Mizuta , Keishi Kitamura
发明人： Tetsuro Mizuta , Keishi Kitamura
IPC分类号： G01T1/161 , G01T1/164 , G01T1/166 , G06K9/00
CPC分类号： G01T1/1617 , A61B6/037 , G01T1/1612 , G06F19/00
摘要： In a state in which a subject is absent, blank data is collected by a self-radioactivity element typified by Lu-176 (S1). In a state in which the subject is present, transmission data is collected by the self-radioactivity element (S2). Emission data is collected by γ rays emitted from the subject injected with a radiopharmaceutical (S3). Absorption-corrected data is calculated based on the blank data and the transmission data (S4 to S7), and the emission data is absorption-corrected using the absorption-corrected data (S8). Although such background data obtained by the self-radioactivity is originally abandoned, the background data is rather used for the absorption-corrected data. Stable absorption correction can be thereby conducted.
摘要翻译：在不存在对象的状态下，以Lu-176（S1）为代表的自放射性元素收集空白数据。在被摄体存在的状态下，由自放射性元件收集发送数据（S2）。通过从放射性药剂注射的受试者发射的γ射线收集发射数据（S3）。基于空白数据和发送数据计算吸收校正数据（S4〜S7），并且使用吸收校正数据对发光数据进行吸收校正（S8）。尽管原始放弃了通过自放射性获得的背景数据，但背景数据被用于吸收校正的数据。可以进行稳定的吸收校正。

6. 发明申请

US20090169082A1 NUCLEAR MEDICINE DIAGNOSIS DEVICE, FORM TOMOGRAPHY DIAGNOSIS DEVICE, NUCLEAR MEDICINE DATA ARITHMETIC PROCESSING METHOD, AND FORM TOMOGRAM ARITHMETIC PROCESSING METHOD 有权
标题翻译：核医学诊断装置，形态诊断装置，核医学数据算术处理方法和形式TOMOGRAM算术处理方法
公开(公告)号：US20090169082A1
公开(公告)日：2009-07-02
申请号：US12344417
申请日：2008-12-26
申请人： Tetsuro Mizuta , Keishi Kitamura
发明人： Tetsuro Mizuta , Keishi Kitamura
IPC分类号： G06K9/00
CPC分类号： G01T1/1617 , A61B6/037 , G01T1/1612 , G06F19/00
摘要： In a state in which a subject is absent, blank data is collected by a self-radioactivity element typified by Lu-176 (S1). In a state in which the subject is present, transmission data is collected by the self-radioactivity element (S2). Emission data is collected by γ rays emitted from the subject injected with a radiopharmaceutical (S3). Absorption-corrected data is calculated based on the blank data and the transmission data (S4 to S7), and the emission data is absorption-corrected using the absorption-corrected data (S8). Although such background data obtained by the self-radioactivity is originally abandoned, the background data is rather used for the absorption-corrected data. Stable absorption correction can be thereby conducted.
摘要翻译：在不存在对象的状态下，以Lu-176（S1）为代表的自放射性元素收集空白数据。在被摄体存在的状态下，由自放射性元件收集发送数据（S2）。通过从注射放射性药物的对象发射的γ射线收集发射数据（S3）。基于空白数据和发送数据计算吸收校正数据（S4〜S7），并且使用吸收校正数据对发光数据进行吸收校正（S8）。尽管原始放弃了通过自放射性获得的背景数据，但背景数据被用于吸收校正的数据。可以进行稳定的吸收校正。

7. 发明申请

US20080156993A1 Quantum photodetectors, imaging apparatus and systems, and related methods 有权
标题翻译：量子光电检测器，成像设备和系统及相关方法
公开(公告)号：US20080156993A1
公开(公告)日：2008-07-03
申请号：US11783613
申请日：2007-04-10
申请人： Irving Weinberg , Valeri Saveliev
发明人： Irving Weinberg , Valeri Saveliev
IPC分类号： G01T1/164 , G01T1/24 , G01R33/20
CPC分类号： G01T1/1615 , A61B6/037 , A61B6/12 , A61B6/4028 , A61B6/4488 , A61B6/541 , G01T1/1617 , G01T1/1644 , G01T1/2008
摘要： A camera sub-module is provided for providing tomographic imaging of radiation emissions generated internally by a body. The camera sub-module includes a radiation-emitting layer having a radioactive source for emitting transmission emissions, and at least one radiation-detection layer for contemporaneously detecting and permitting differentiation between the transmission emissions and emissions generated internal to an imaged body administered with a positron-emitting radiotracer. Also provided herein are imaging systems, scanners, and other apparatus and methods.
摘要翻译：提供了一种相机子模块，用于提供由身体内部产生的辐射辐射的层析成像。照相机子模块包括具有用于发射透射发射的放射源的辐射发射层，以及用于同时检测和允许传播发射与被投射正电子的成像体内部产生的发射之间的差异的至少一个放射线检测层 - 放射性示踪器。本文还提供了成像系统，扫描仪和其他装置和方法。

8. 发明授权

US11762107B2 Protection of a gamma radiation detector with an optical modulator to modulate an amount of transmission between a gamma scintillator array and a first photodetector array 有权
公开(公告)号：US11762107B2
公开(公告)日：2023-09-19
申请号：US16470385
申请日：2017-12-21
申请人： KONINKLIJKE PHILIPS N.V.
发明人： Christiaan Kok
IPC分类号： A61B6/00 , G01T1/20 , G01T1/24 , G01T1/164 , G01T1/161 , G01T1/16 , A61B6/03
CPC分类号： G01T1/20181 , A61B6/03 , A61B6/032 , A61B6/035 , A61B6/037 , A61B6/42 , A61B6/4208 , A61B6/4233 , A61B6/4241 , A61B6/4258 , A61B6/4266 , A61B6/44 , A61B6/4429 , A61B6/4435 , A61B6/4441 , A61B6/4447 , G01T1/16 , G01T1/161 , G01T1/1603 , G01T1/164 , G01T1/1606 , G01T1/1611 , G01T1/1612 , G01T1/1614 , G01T1/1615 , G01T1/1617 , G01T1/1618 , G01T1/20 , G01T1/2002 , G01T1/2006 , G01T1/2008 , G01T1/2018 , G01T1/20183 , G01T1/20185 , G01T1/24 , G01T1/243 , G01T1/249
摘要： The invention relates to a combined detector (660) comprising a gamma radiation detector (100) and an X-ray radiation detector (661). The gamma radiation detector (100) comprises a gamma scintillator array (101x, y), an optical modulator (102) and a first photodetector array (103a, b) for detecting the first scintillation light generated by the gamma scintillator array (101x, y). The optical modulator (102) is disposed between the gamma scintillator array (101x, y) and the first photodetector array (103a, b) for modulating a transmission of the first scintillation light between the gamma scintillator array (101x, y) and the first photodetector array (103a, b). The optical modulator (102) comprises at least one optical modulator pixel having a cross sectional area (102′) in a plane that is perpendicular to the gamma radiation receiving direction (104). The cross sectional area of each optical modulator pixel (102′) is greater than or equal to the cross sectional area of each photodetector pixel (103′a, b).

9. 发明授权

US10866329B2 System and method to unpile overlapping pulses 有权
公开(公告)号：US10866329B2
公开(公告)日：2020-12-15
申请号：US16092929
申请日：2017-06-02
申请人： Siemens Medical Solutions USA, Inc.
发明人： Ronald E. Malmin
IPC分类号： G01T1/17 , G01T1/161 , G01T1/166
CPC分类号： G01T1/171 , G01T1/1617 , G01T1/1663
摘要： A system includes reception of an a electrical signal from a light sensor, determination of a first integral over a first number of samples of the electrical signal, determination of an estimated energy of a first pulse based on the first integral, where the electrical signal includes the first pulse and a second pulse, where a portion of the second pulse overlaps a portion of the first pulse, determination of a second integral over a second number of samples of the electrical signal, determination of a second estimated energy of the first pulse over the second number of samples, determination of a residual short integral based on the second integral and the second estimated energy, and determination of an estimated energy of the second pulse based on the residual short integral.

10. 发明申请

US20180217273A1 HYBRID PET / CT IMAGING DETECTOR 审中-公开
公开(公告)号：US20180217273A1
公开(公告)日：2018-08-02
申请号：US15748330
申请日：2016-07-28
申请人： KONINKLIJKE PHILIPS N.V.
发明人： Nathan SERAFINO , Dane PITTOCK , Jerome John GRIESMER , Marc Anthony CHAPPO
IPC分类号： G01T1/161 , G01T1/29 , G01T1/16 , G01T1/164 , G01T1/20 , A61B6/03 , A61B6/00
CPC分类号： G01T1/1617 , A61B6/032 , A61B6/037 , A61B6/4233 , A61B6/4241 , A61B6/4258 , A61B6/4266 , A61B6/4275 , A61B6/4291 , A61B6/4417 , A61B6/482 , A61B6/5205 , A61B6/5235 , A61B6/5282 , G01T1/1603 , G01T1/1615 , G01T1/164 , G01T1/2008 , G01T1/2018 , G01T1/2985
摘要： An imaging system (102) includes a detector array (104) with a ring (106) with a first layer (110i) that detects gamma radiation and X-ray radiation and a second layer (110N) that detects only gamma radiation, wherein the first and second layers are concentric closed rings. A method includes detecting gamma radiation with a first layer of a dual layer detector in response to imaging in PET mode, detecting gamma radiation with a second layer of the dual layer detector in response to imaging in PET mode, and generating PET image data with the radiation detected with the first and second layers. The method further includes detecting X-ray radiation with the first layer in response to imaging in CT mode and generating CT image data the radiation detected with the first layer. The method further includes displaying the image data. The imaging system allows a single gantry for both PET/CT imaging.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式