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    • 83. 发明申请
    • Digital x-ray camera
    • 数码X光摄像机
    • US20060098779A1
    • 2006-05-11
    • US10529806
    • 2005-03-21
    • Clark Turner
    • Clark Turner
    • H05G1/10H01J35/32H01J35/00H01J35/22
    • A61B6/505A61B6/14A61B6/4405A61B6/4411A61B6/4488A61B6/508A61B6/548G01T7/00G01V5/0008
    • Portable x-ray devices and methods for using such devices are described. The devices have an x-ray tube powered by an integrated power system. The x-ray tube is shielded with a low-density insulating material containing a high-Z substance. The devices can also have an integrated display component. With these components, the size and weight of the x-ray devices can be reduced and the portability of the devices enhanced. The x-ray devices also have an x-ray detecting means that is not structurally attached to the device and therefore is free standing. Consequently, the x-ray devices can also be used as a digital x-ray camera. The portable x-ray devices are especially useful for applications where portability is an important feature such as in field work, remote operations, and mobile operations such as nursing homes, home healthcare, or teaching classrooms. This portability feature can be particularly useful in multi-suite medical and dental offices where a single x-ray device can be used as a digital x-ray camera in multiple offices instead of requiring a separate device in every office.
    • 描述了便携式x射线装置及其使用方法。 这些设备具有由集成电力系统供电的X射线管。 X射线管用含有高Z物质的低密度绝缘材料屏蔽。 这些设备还可以具有集成的显示组件。 利用这些部件,可以减小x射线装置的尺寸和重量,并且增强装置的便携性。 X射线装置还具有不结构地附接到装置的X射线检测装置,因此是独立的。 因此,X射线设备也可以用作数字X射线摄像机。 便携式x射线设备对于可移植性是重要功能的应用特别有用,例如在现场工作,远程操作和移动操作(例如养老院,家庭医疗保健或教学教室)中。 这种可移植性特征在多套医疗和牙科诊所中特别有用,其中单个X射线设备可用作多个办公室的数字X射线摄像机,而不是在每个办公室中都需要单独的设备。
    • 84. 发明授权
    • X-ray source
    • X射线源
    • US07006601B2
    • 2006-02-28
    • US10786619
    • 2004-02-26
    • Kazutaka SuzukiMichihiro ItoTakatoshi YoshiyamaHiroki KawakamiTutomu Inazuru
    • Kazutaka SuzukiMichihiro ItoTakatoshi YoshiyamaHiroki KawakamiTutomu Inazuru
    • H05G1/10
    • H05G1/06Y10S439/936
    • The present invention discloses an X-ray source comprising an X-ray tube including a target generating an X-ray in response to an electron beam incident thereon emitted from an electron gun and an X-ray exit window emitting thus generated X-ray; a power supply having a structure including an insulating block molding therein a voltage generating part supplying a voltage to the X-ray tube; a first planar member securing the X-ray tube while being arranged on one side of the insulating block; and a second planar member disposed on a side of the insulating block opposite from the first planar member. The first and second planar members are fastened to each other while holding the insulating block therebetween.
    • 本发明公开了一种X射线源,包括:X射线管,其包括响应于从电子枪入射的电子束产生X射线的目标和发射由此产生的X射线的X射线出射窗; 电源,其具有包括在其中向所述X射线管提供电压的电压产生部件的绝缘块的结构; 第一平面构件,其固定所述X射线管,同时设置在所述绝缘块的一侧; 以及设置在所述绝缘块的与所述第一平面构件相对的一侧上的第二平面构件。 第一和第二平面构件彼此紧固,同时将绝缘块保持在其间。
    • 86. 发明授权
    • Power supply system
    • 电源系统
    • US06917531B2
    • 2005-07-12
    • US10478034
    • 2002-05-28
    • Thomas ScheelChristian HattrupOlaf MaertensThorsten Gercke
    • Thomas ScheelChristian HattrupOlaf MaertensThorsten Gercke
    • H02M3/28H02M7/523H05G1/10H05G1/58H02M3/24
    • H02M7/5236H02M2001/0012H05G1/10H05G1/58
    • Two proposals are made for power supply systems comprising at least one resonant inverter and one control unit. According to the first proposal the power supply system comprises two inverters and produces two output voltages, the control circuit processing as an actual value on the one hand the sum of and on the other hand the difference between the two output voltages. According to the second proposal a control circuit does not directly process the controlled variables for a power supply system comprising at least one inverter, but difference units for controlled variables determine the deviations from a preceding sampling instant and these difference values are processed. Also the correcting variable calculated in this way is a difference value which is converted into a correcting variable value by a correcting variable summing unit. The two proposals can be advantageously combined. As an important improvement is proposed the use of a limiting controller which generally becomes active in case of imminent transgression of a maximum value and which limits the actuation. The control circuit is preferably used as a digital control circuit for a state space control.
    • 对于包括至少一个谐振逆变器和一个控制单元的电力供应系统提出了两个建议。 根据第一个提议,电源系统包括两个反相器并产生两个输出电压,一方面将控制电路作为实际值进行处理,另一方面是两个输出电压之间的差值。 根据第二方案,控制电路不直接处理包括至少一个逆变器的电源系统的受控变量,但是用于受控变量的差分单元确定与先前采样时刻的偏差,并且处理这些差值。 此外,以这种方式计算的校正变量是通过校正变量求和单元被转换为校正变量值的差值。 这两个方案可以有利地组合。 作为重要的改进,提出了一种限制控制器的使用,该限制控制器通常在即将发生最大值并且限制致动的情况下变得活跃。 控制电路优选地用作用于状态空间控制的数字控制电路。
    • 87. 发明申请
    • X-ray ct imaging method and x-ray ct device
    • X射线成像方法和x射线ct装置
    • US20050129176A1
    • 2005-06-16
    • US10501121
    • 2003-01-09
    • Hiroto KokubunOsamu Miyazaki
    • Hiroto KokubunOsamu Miyazaki
    • A61B6/03A61B6/00G06T1/00H05G1/10
    • A61B6/541A61B6/503
    • To reduce an amount of artifacts of a tomographic image of a heart in an X-ray CT apparatus for generating a tomographic image by reconstructing projection data acquired by scanning a predetermined slice of a subject by providing the X-ray CT apparatus with a detecting means for detecting a static cardiac time phase with a small amount of motion artifacts in a predetermined portion of the subject based on heartbeat information acquired in association with the projection data, and an image reconstructing means for generating the tomographic image by reconstructing projection data corresponding to the static cardiac time phase detected by the detecting means.
    • 为了减少用于生成断层图像的X射线CT装置中的心脏的断层图像的伪像量,通过对X射线CT装置提供检测装置,重建通过扫描被检体的预定切片而获取的投影数据 用于基于与所述投影数据相关联地获取的心跳信息来检测在所述对象的预定部分中的少量运动伪影的静态心脏时间相位;以及图像重建装置,用于通过重建与所述投影数据相对应的投影数据来生成所述断层图像 由检测装置检测静态心脏时间相位。