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    METHOD AND DEVICE FOR APPLYING DUAL ENERGY IMAGING
    31.
    发明申请
    METHOD AND DEVICE FOR APPLYING DUAL ENERGY IMAGING 有权
    用于应用双能量成像的方法和装置

    公开(公告)号：US20120326031A1

    公开(公告)日：2012-12-27

    申请号：US13459578

    申请日：2012-04-30

    Applicant: Uwe WIEDMANN ,  Denis Perrillat-Amede

    Inventor： Uwe WIEDMANN ,  Denis Perrillat-Amede

    IPC: H01J37/21

    CPC classification number: A61B6/482 ,  A61B6/4035 ,  A61B6/405 ,  A61B6/542 ,  G21K1/02 ,  H01J35/10 ,  H01J35/14 ,  H01J35/305 ,  H01J2235/086 ,  H01J2235/166

    Abstract: A medical imaging method comprising generating a radiation at a first energy level by a radiation source, generating a radiation at a second energy level different from the first energy level by the radiation source, emitting the generated radiations at an output of the radiation source towards a detector, and blocking or diverting the emitted radiations during at least one intermediate phase during which the radiation source switches in a transient way from one of the first energy level and the second energy level to the other of the first energy level and the second energy level.

    Abstract translation: 一种医学成像方法，包括通过辐射源产生处于第一能级的辐射，通过所述辐射源产生不同于所述第一能级的第二能级的辐射，在所述辐射源的输出处朝向 检测器，以及在至少一个中间相位期间阻断或转移所发射的辐射，在该中间相位期间，辐射源以瞬态方式从第一能量级和第二能级之一切换到第一能级和第二能级中的另一级 。

    Stereo tube attenuation filter
    32.
    发明授权
    Stereo tube attenuation filter 有权
    立体声管衰减滤波器

    公开(公告)号：US08180017B2

    公开(公告)日：2012-05-15

    申请号：US12746364

    申请日：2008-12-12

    Applicant: Peter Forthmann ,  Roland Proksa ,  Axel Thran

    Inventor： Peter Forthmann ,  Roland Proksa ,  Axel Thran

    IPC: A61B6/00 ,  G21K3/00

    CPC classification number: H01J35/10 ,  A61B6/027 ,  A61B6/032 ,  A61B6/4007 ,  A61B6/4014 ,  A61B6/4021 ,  A61B6/4028 ,  A61B6/4035 ,  A61B6/4266 ,  G21K1/10 ,  H01J35/26 ,  H01J2235/068 ,  H01J2235/086

    Abstract: A computed tomography apparatus (10) includes spaced radiation sources (82, 84), such as anodes, which each propagate a cone-beam of radiation (40, 50) into an examination region (14). A detector (22) detects radiation which has passed through the examination region. An attenuation system (55) interposed between the radiation sources and the examination region for cone-angle dependent filtering of the cone beams. The attenuation system allows rays which contribute little to a reconstructed image to be attenuated more than rays which contribute more.

    Abstract translation: 计算机断层摄影装置（10）包括间隔开的辐射源（82,84），例如阳极，其每个辐射源将辐射束（40,50）传播到检查区域（14）中。 检测器（22）检测已经通过检查区域的辐射。 介于辐射源与锥形束的锥角相关滤波检查区域之间的衰减系统（55）。 衰减系统允许对重建图像贡献很小的光线比有助于更多的光线衰减更多。

    X-ray computed tomography arrangement
    34.
    发明授权
    X-ray computed tomography arrangement 有权
    X线计算机断层摄影安排

    公开(公告)号：US07983384B2

    公开(公告)日：2011-07-19

    申请号：US12527928

    申请日：2008-02-12

    Applicant: Uwe Hampel ,  Frank Fischer

    Inventor： Uwe Hampel ,  Frank Fischer

    IPC: G01N23/083

    CPC classification number: H01J35/30 ,  A61B6/032 ,  A61B6/035 ,  A61B6/4028 ,  A61B6/4488 ,  A61B6/503 ,  A61B6/508 ,  H01J35/14 ,  H01J2235/086

    Abstract: The aim of the invention is to produce an x-ray computed tomography arrangement in which there is no axial offset between the path of the focal spot and the x-ray detector arc. Said aim is achieved by: —arranging the x-ray detector arc and the target around the examination cross-section within a radiation plane such that the x-ray focal spots generated by the deflected electron beam of the electron beam generator lie within an axial plane, the radiation plane, along with the active detector elements; —disposing the x-ray detector arc behind the target in a radial direction such that each imaginary x-ray extending from a focal spot position on the target to a detector element of the x-ray detector arc penetrates the target, which lies in front of the point of incidence on the x-ray detector arc in the direction of radiation, in the area in which the target and the x-ray detector arc angularly overlap; —producing the target from a target member which is preferably made of a material that has a low atomic number and great heat storage capacity or thermal conductance; —applying an electron-decelerating material layer, preferably made of a refractory material that has a high atomic number, to the side of the target member which faces the electron beam.

    Abstract translation: 本发明的目的是生产一种X射线计算机断层摄影装置，其中在焦斑的路径和x射线检测器弧之间不存在轴向偏移。 所述目的通过以下方式实现： - 在辐射平面内将X射线检测器弧和靶围绕检查横截面进行布置，使得由电子束发生器的偏转电子束产生的x射线焦点位于轴向 平面，辐射平面以及有源检测器元件; - 将x射线检测器放置在径向方向上的目标物后面，使得从目标上的焦点位置延伸到X射线检测器的检测器元件的每个假想x射线穿透位于前面的目标 在X射线检测器的入射点在辐射方向上在靶和X射线检测器的角度上重叠的区域中的入射点; - 从目标构件制造靶材，该靶材优选由具有低原子序数和高蓄热能力或热导率的材料制成; 将优选由具有高原子序数的耐火材料制成的电子减速材料层施加到目标构件面对电子束的一侧。

    MOUNT FOR ROTATING TARGET
    36.
    发明申请
    MOUNT FOR ROTATING TARGET 审中-公开
    旋转目标的安装

    公开(公告)号：US20110096909A1

    公开(公告)日：2011-04-28

    申请号：US12737088

    申请日：2009-04-30

    Applicant: Catherine Le-Guet ,  Nicolas Chapel ,  Cindy Rude

    Inventor： Catherine Le-Guet ,  Nicolas Chapel ,  Cindy Rude

    IPC: H01J35/10 ,  H05G1/02

    CPC classification number: H01J35/10 ,  H01J2235/081 ,  H01J2235/086

    Abstract: The object of the present invention is a mount for a rotating target, roughly disk-shaped and perforated at its center. The mount is made of a material which a structurally hardened nickel-based superalloy. The mount is disk-shaped with a narrower area at its periphery, and the narrow peripheral area and the thick area surrounding the central orifice are separated by a discontinuous area whose slope is between 3° and 10°, with the thickness ratio between the narrow peripheral area and the thick area surrounding the central orifice being between 1.5 and 3. The superalloy is an Inconel that has undergone a structural hardening treatment after machining. At least one of the mount's surfaces is coated with an emissive coating used to discharge heat through thermal radiation.

    Abstract translation: 本发明的目的是一种用于旋转靶的安装座，其大致圆盘形并在其中心穿孔。 安装座由结构硬化的镍基超级合金材料制成。 安装座是圆形的，其周边的区域较窄，围绕中央孔口的狭窄的周边区域和较厚的区域被斜率在3°和10°之间的不连续区域分隔开，窄的区域 周边区域和围绕中心孔口的厚区域在1.5和3之间。超合金是在机加工后经历了结构硬化处理的铬镍铁合金。 至少一个安装表面涂有用于通过热辐射排放热量的发射涂层。

    Apparatus for providing collimation in a multispot X-ray source and method of making same
    38.
    发明授权
    Apparatus for providing collimation in a multispot X-ray source and method of making same 有权
    用于在多射线X射线源中提供准直的装置及其制造方法

    公开(公告)号：US07844032B2

    公开(公告)日：2010-11-30

    申请号：US12252609

    申请日：2008-10-16

    Applicant: Mark E. Vermilyea ,  Colin R. Wilson ,  Yun Zou

    Inventor： Mark E. Vermilyea ,  Colin R. Wilson ,  Yun Zou

    IPC: G21K1/02

    CPC classification number: G21K1/025 ,  H01J35/04 ,  H01J35/08 ,  H01J35/16 ,  H01J2235/086 ,  H01J2235/1204 ,  H01J2235/1262

    Abstract: A collimator includes a first plate having an aperture therein, the aperture configured to allow passage of a beam of x-rays from a source of a multi-spot source therethrough, and a second plate parallelly positioned with respect to the first plate and configured to receive and attenuate a first portion of the beam of x-rays passing through the aperture in the first plate, the second plate having an aperture therein configured to non-concentrically overlap the aperture in the first plate, to receive a second portion of the beam of x-rays passing through the aperture in the first plate, and to allow passage of the second portion of the beam of x-rays therethrough. A portion of the aperture in the first plate and a portion of the aperture in the second plate form a composite aperture parallel to the beam of x-rays, the composite aperture configured to allow passage of the second portion of the beam of x-rays through the first and second plates.

    Abstract translation: 准直器包括其中具有孔的第一板，所述孔构造成允许来自多点源的源的X射线束通过其中，并且相对于第一板平行定位的第二板被配置为 接收和衰减穿过第一板中的孔的X射线束的第一部分，第二板具有其中构造成与第一板中的孔不同心重叠的孔，以接收梁的第二部分 的X射线通过第一板中的孔，并且允许X射线束的第二部分通过其中。 第一板中的孔的一部分和第二板中的孔的一部分形成平行于X射线束的复合孔，复合孔构造成允许X射线束的第二部分通过 通过第一和第二板。

    X-RAY GENERATOR EMPLOYING HEMIMORPHIC CRYSTAL
    40.
    发明申请
    X-RAY GENERATOR EMPLOYING HEMIMORPHIC CRYSTAL 审中-公开
    X射线发生器采用HEMIMORPHIC晶体

    公开(公告)号：US20100260322A1

    公开(公告)日：2010-10-14

    申请号：US12739986

    申请日：2008-10-22

    Applicant: Yoshiaki Ito ,  Shinzo Yoshikado ,  Yoshikazu Nakanishi ,  Shinji Fukao ,  Toru Nakamura ,  Shigeo Ito ,  Takeshi Tonegawa ,  Yohei Fujimura

    Inventor： Yoshiaki Ito ,  Shinzo Yoshikado ,  Yoshikazu Nakanishi ,  Shinji Fukao ,  Toru Nakamura ,  Shigeo Ito ,  Takeshi Tonegawa ,  Yohei Fujimura

    IPC: H01J35/06

    CPC classification number: H01J35/06 ,  H01J2235/086

    Abstract: An X-ray generator comprises a container (1) for maintaining a high vacuum or low pressure gas atmosphere internally, a hemimorphic crystal (4), temperature raising/lowering means (3, 5-7), and a metal target (8) for generating X-rays. In this X-ray generator the metal target (8) has a pointed protrusion protruding toward the hemimorphic crystal (4). When X-rays are generated by raising/lowering the temperature of the hemimorphic crystal (4) by using the temperature raising/lowering means (3, 5-7), the intensity of an electric field formed between the hemimorphic crystal (4) and the metal target (8) increases at the pointed end of the protrusion and thus the intensity of X-rays generated through collision of electrons against the metal target (8) increases. Consequently, an X-ray generator employing a hemimorphic crystal, which is capable of generating X-rays with practically sufficient intensity can be provided.

    Abstract translation: X射线发生器包括用于在内部保持高真空或低压气体气氛的容器（1），半形晶体（4），升温/降温装置（3,5-7）和金属靶（8） 用于产生X射线。 在该X射线发生器中，金属靶（8）具有朝向半形晶体（4）突出的尖突起。 当通过使用升温/降低装置（3,5-7）升高/降低半晶体（4）的温度来产生X射线时，形成在半晶体晶体（4）和 金属靶（8）在突起的尖端处增加，因此通过电子与金属靶（8）的碰撞产生的X射线的强度增加。 因此，可以提供一种能够产生具有足够强度的X射线的采用半形晶体的X射线发生器。

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