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    Pixelated photon detector
    1.
    发明授权
    Pixelated photon detector 有权
    像素光子检测器

    公开(公告)号：US07009183B2

    公开(公告)日：2006-03-07

    申请号：US10809085

    申请日：2004-03-25

    申请人： Naor Wainer ,  Yaron Hefetz ,  Aharon Amrami ,  Amir Pansky

    发明人： Naor Wainer ,  Yaron Hefetz ,  Aharon Amrami ,  Amir Pansky

    IPC分类号： G01T1/172

    CPC分类号： G01T1/2985 ,  G01T1/172 ,  G01T1/241 ,  G01T1/242 ,  G01T1/244 ,  G01T1/2928

    摘要： A gamma camera comprising:a plurality of pixelated detectors wherein each pixelated detector provides a detector signal responsive to photons that are incident on it;a plurality of processing circuits that receive said detector signals and provide processed signals responsive to said detector signals; andat least one printed circuit board on which said processing circuits are mounted and having conductors thereon that carry said detector signals to said processing circuits;wherein said processing circuits are mounted on said printed circuit board at locations remote from said detectors; andwherein said plurality of pixelated detectors form a two-dimensional planar array.

    摘要翻译： 一种伽马照相机，包括：多个像素化检测器，其中每个像素化检测器提供响应于入射到其上的光子的检测器信号; 多个处理电路，其接收所述检测器信号并响应于所述检测器信号提供经处理的信号; 以及至少一个印刷电路板，所述处理电路安装在所述印刷电路板上并且具有导体，所述导体将所述检测器信号传送到所述处理电路; 其中所述处理电路在远离所述检测器的位置安装在所述印刷电路板上; 并且其中所述多个像素化检测器形成二维平面阵列。

    Pixelated photon detector
    2.
    发明授权
    Pixelated photon detector 有权
    像素光子检测器

    公开(公告)号：US06621084B1

    公开(公告)日：2003-09-16

    申请号：US09806084

    申请日：2001-06-22

    申请人： Naor Wainer ,  Yaron Hefetz ,  Aharon Amrami ,  Amir Pansky

    发明人： Naor Wainer ,  Yaron Hefetz ,  Aharon Amrami ,  Amir Pansky

    IPC分类号： G01T1172

    CPC分类号： G01T1/2985 ,  G01T1/172 ,  G01T1/241 ,  G01T1/242 ,  G01T1/244 ,  G01T1/2928

    摘要： A pixelated detector for detecting photons is provided comprising: a semiconductor crystal; a cathode electrode on a first surface of the crystal; an anode comprising a plurality of anode pixel electrodes on a second surface of the crystal; and a signal generator that receives signals from at least one electrode of the electrodes. When a photon is incident on the detector the signal generator generates a timing signal responsive to signals induced on the at least one electrode by electrons and holes produced by the incident photon and the at least one electrode has a size larger than the size of a single anode pixel electrode.

    摘要翻译： 提供了一种用于检测光子的像素化检测器，包括：半导体晶体; 在所述晶体的第一表面上的阴极电极; 阳极，包括在所述晶体的第二表面上的多个阳极像素电极; 以及信号发生器，其从电极的至少一个电极接收信号。 当光子入射到检测器上时，信号发生器响应于由入射光子产生的电子和空穴在至少一个电极上感应的信号产生定时信号，并且至少一个电极的尺寸大于单个 阳极像素电极。

    Pixelated photon detector
    3.
    发明授权
    Pixelated photon detector 失效
    像素光子检测器

    公开(公告)号：US06740885B2

    公开(公告)日：2004-05-25

    申请号：US10465075

    申请日：2003-06-19

    申请人： Naor Wainer ,  Yaron Hefetz ,  Aharon Amrami ,  Amir Pansky

    发明人： Naor Wainer ,  Yaron Hefetz ,  Aharon Amrami ,  Amir Pansky

    IPC分类号： G01T1172

    CPC分类号： G01T1/2985 ,  G01T1/172 ,  G01T1/241 ,  G01T1/242 ,  G01T1/244 ,  G01T1/2928

    摘要： A multilayer pixelated detector comprising a plurality of strip array detectors each said strip array detector including a rectangular semiconductor crystal having first and second relatively large parallel planar face surfaces having edges and a thickness; a cathode electrode covering substantially all of said first face surface; and an anode electrode comprising a plurality of anode strip pixels, wherein an anode strip pixel comprises a rectangular electrode having a length and a width. A long dimension of each of said anode strip pixels is parallel to a same edge of said second face surface, the pixelated detectors have contiguous face surfaces and wherein edges of contiguous face surfaces are aligned and wherein anode strip pixels of all pixelated detectors are parallel and electrodes on contiguous surfaces of pixelated detectors are identical and overlap substantially completely.

    摘要翻译： 一种多层像素化检测器，包括多个条形阵列检测器，每个所述条形阵列检测器包括具有第一和第二相对大的平行平面面的具有边缘和厚度的矩形半导体晶体; 基本上覆盖所述第一面表面的阴极电极; 以及包括多个阳极条像素的阳极电极，其中阳极条像素包括具有长度和宽度的矩形电极。 每个所述阳极条像素的长尺寸平行于所述第二表面的相同边缘，所述像素化检测器具有邻接的面表面，并且其中邻接的面表面的边缘对准，并且其中所有像素化检测器的阳极条像素平行， 像素化检测器的连续表面上的电极是相同的并且基本上完全重叠。

    Light output optimization
    4.
    发明授权
    Light output optimization 失效
    光输出优化

    公开(公告)号：US06369391B1

    公开(公告)日：2002-04-09

    申请号：US09660440

    申请日：2000-09-12

    申请人： Yaron Hefetz ,  Naor Wainer ,  Amir Pansky

    发明人： Yaron Hefetz ,  Naor Wainer ,  Amir Pansky

    IPC分类号： G01T1202

    CPC分类号： G01T1/1642 ,  A61B6/4258 ,  G01T1/2002 ,  G01T1/202

    摘要： A scintillator, having two faces, for use in medical diagnostic imaging devices, said devices including a plurality of light sensors for converting light generated in said scintillators to electrical signals, processors for converting the electrical signals to images and a monitor for displaying the images, said scintillator including a two dimensional distribution of intrinsic light controllers, said controllers changing the light distribution among the sensors to achieve a desired distribution wherein the light controllers focus the light such that the spread of light to detectors is reduced.

    摘要翻译： 一种用于医疗诊断成像装置的具有两个面的闪烁体，所述装置包括用于将所述闪烁体中产生的光转换成电信号的多个光传感器，用于将电信号转换为图像的处理器和用于显示图像的监视器， 所述闪烁体包括本征光控制器的二维分布，所述控制器改变传感器之间的光分布，以实现期望的分布，其中光控制器聚焦光，从而减少光到检测器的扩散。

    Gamma camera and CT system
    8.
    发明申请
    Gamma camera and CT system 有权
    伽玛相机和CT系统

    公开(公告)号：US20050127301A1

    公开(公告)日：2005-06-16

    申请号：US11044772

    申请日：2005-01-26

    申请人： Adi Balan ,  Yigal Shrem ,  Albert Lonn ,  Benny Hajaj ,  Naor Wainer ,  Yaron Hefetz ,  Gideon Berlad ,  Leonid Yakubovsky

    发明人： Adi Balan ,  Yigal Shrem ,  Albert Lonn ,  Benny Hajaj ,  Naor Wainer ,  Yaron Hefetz ,  Gideon Berlad ,  Leonid Yakubovsky

    IPC分类号： G01T1/161 ,  G01T1/164 ,  G21K1/12

    CPC分类号： G01T1/1615 ,  A61B6/037 ,  A61B6/4429 ,  A61B6/5235 ,  A61B6/541 ,  A61B6/584

    摘要： A nuclear medicine camera having an X-ray imaging capability, comprising: a gantry having a stationary portion and at least one rotating portion; at least one gamma camera mounted on a said at least one rotating portion and capable of being rotated together at a common first rotation rate about an axis, said at least one gamma camera being capable of acquiring nuclear imaging data for reconstructing a tomographic nuclear image; and an X-ray CT imager having an X-ray source mounted on said at least one rotating portion and being capable of acquiring X-ray imaging data for reconstructing an X-ray image; said X-ray CT imager being mounted closer to said stationary portion than said at least one gamma camera.

    摘要翻译： 一种具有X射线成像能力的核医学相机，包括：具有静止部分和至少一个旋转部分的台架; 至少一个伽马照相机安装在所述至少一个旋转部分上并且能够以围绕轴线的公共第一旋转速率一起旋转，所述至少一个伽马照相机能够获取用于重建断层摄影核图像的核成像数据; 以及X射线CT成像器，其具有安装在所述至少一个旋转部分上的X射线源，并且能够获取用于重建X射线图像的X射线成像数据; 所述X射线CT成像器比所述至少一个伽马照相机更靠近所述固定部分。

    Gamma camera and CT system
    9.
    发明授权
    Gamma camera and CT system 失效
    伽玛相机和CT系统

    公开(公告)号：US06878941B2

    公开(公告)日：2005-04-12

    申请号：US10900936

    申请日：2004-07-28

    申请人： Adi Balan ,  Yigal Shrem ,  Albert Lonn ,  Benny Hajaj ,  Naor Wainer ,  Yaron Hefetz ,  Gideon Berlad ,  Leonid Yakubovsky

    发明人： Adi Balan ,  Yigal Shrem ,  Albert Lonn ,  Benny Hajaj ,  Naor Wainer ,  Yaron Hefetz ,  Gideon Berlad ,  Leonid Yakubovsky

    IPC分类号： G01T1/161 ,  G01T1/164 ,  G21K1/12

    CPC分类号： G01T1/1615 ,  A61B6/037 ,  A61B6/4429 ,  A61B6/5235 ,  A61B6/541 ,  A61B6/584

    摘要： Apparatus for producing attenuation corrected nuclear medicine images of patients, comprising: at least one gamma camera head that acquires nuclear image data suitable to produce a nuclear tomographic image at a first controllable rotation rate about an axis; at least one X-ray CT imager that acquires X-ray data suitable to produce an attenuation image for correction of the nuclear tomographic image at a second controllable rotation rate about the axis; and a controller that controls the data acquisition and first and second rotation rates to selectively provide at least one of the following modes of operation: (i) a movement gated NM imaging mode in which the second rotation rate is substantially higher than the first rotation rate and the data from each view of the X-ray acquisition is associated with one of a plurality of respiration gated time periods; (ii) a cardiac gated NM imaging mode in which the second rotation rate is substantially higher than the first rotation rate and the data from each view of the X-ray acquisition for different rotations is averaged, wherein the X-ray data is not correlated with the cardiac cycle; and (iii) a cardiac gated NM imaging mode in which the second rotation rate is higher than the first rotation rate and the X-ray data is binned in accordance with a same binning as the NM data.

    摘要翻译： 用于产生患者的衰减校正核医学图像的装置，包括：至少一个伽马相机头，其获取适于以围绕轴线的第一可控转速产生核断层图像的核图像数据;至少一个X射线CT成像器， 获取适于产生用于校正所述核断层图像的衰减图像的X射线数据，所述衰减图像以关于所述轴的第二可控旋转速率; 以及控制器，其控制数据采集和第一和第二旋转速率以选择性地提供以下操作模式中的至少一种：（i）运动选通NM成像模式，其中第二旋转速率基本上高于第一旋转速率，以及 来自X射线获取的每个视图的数据与多个呼吸选通时间段中的一个相关联;（ii）心脏门控NM成像模式，其中第二旋转速率基本上高于第一旋转速率，并且数据 对于不同旋转的X射线采集的每个视图进行平均，其中X射线数据与心动周期不相关; 和（iii）心脏门控NM成像模式，其中第二旋转速率高于第一旋转速率，并且X射线数据根据与NM数据相同的组合进行分样。

    Gamma camera and CT system
    10.
    发明申请
    Gamma camera and CT system 审中-公开
    伽玛相机和CT系统

    公开(公告)号：US20050161606A1

    公开(公告)日：2005-07-28

    申请号：US11044758

    申请日：2005-01-26

    申请人： Adi Balan ,  Yigal Shrem ,  Albert Lonn ,  Benny Hajaj ,  Naor Wainer ,  Yaron Hefetz ,  Gideon Berlad ,  Leonid Yakubovsky

    发明人： Adi Balan ,  Yigal Shrem ,  Albert Lonn ,  Benny Hajaj ,  Naor Wainer ,  Yaron Hefetz ,  Gideon Berlad ,  Leonid Yakubovsky

    IPC分类号： G01T1/161 ,  G01T1/164 ,  G21K1/12

    CPC分类号： G01T1/1615 ,  A61B6/037 ,  A61B6/4429 ,  A61B6/5235 ,  A61B6/541 ,  A61B6/584

    摘要： A method of producing a nuclear medicine image of a subject, comprising: acquiring nuclear imaging data suitable to produce a nuclear tomographic image, said nuclear image data being acquired by a gamma camera head rotating about the subject; acquiring X-ray imaging data suitable to produce an X-ray tomographic image for attenuation correction of the gamma camera image, said X-ray imaging data being acquired by detectors irradiated by an X-ray source rotating around the subject; reducing the sensitivity of gamma camera head while the X-rays are produced; and reconstructing an attenuation corrected nuclear medicine image utilizing the nuclear imaging data and X-ray imaging data.

    摘要翻译： 一种产生受试者的核医学图像的方法，包括：获取适于产生核断层图像的核成像数据，所述核图像数据由围绕被摄体旋转的伽马相机头获取; 获取适于产生用于伽马相机图像的衰减校正的X射线断层图像的X射线成像数据，所述X射线成像数据由被围绕被摄体旋转的X射线源照射的检测器获取; 在产生X射线时降低伽马相机头的灵敏度; 以及利用核成像数据和X射线成像数据重建衰减校正的核医学图像。