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    • 1. 发明申请
    • Imaging Method Based on Fractal Surface-Filling or Space-Filling Curves
    • 基于分形表面填充或空间填充曲线的成像方法
    • US20080231268A1
    • 2008-09-25
    • US10586083
    • 2004-12-17
    • Richard PatzakDaniel GembrisStephan AppeltFriedrich-Wolfgang HasingHorst Halling
    • Richard PatzakDaniel GembrisStephan AppeltFriedrich-Wolfgang HasingHorst Halling
    • G01R33/48
    • G01R33/4822G01R33/445G01R33/48G01R33/4806G01R33/5615
    • The present invention relates to an imaging method and device for nuclear magnetic resonance. On the one hand, the method provides an image coding by means of an additional field which has, for each point of a two-dimensional grating surface within the sample, a different field strength value that occurs only once, as is the case, e.g., in fields based on fractal, surface-filling and space-filling curves. On the other hand, the read-out of the resonance behavior of a sample along a space-filling and/or surface-filling curve can be provided. In the first variant, a magnetic resonance (MR) image with a single high-frequency excitation without a time-varying gradient can be recorded, which in turn advantageously prevents the sound generation associated therewith. In the second variant, the sounds generated during read-out are advantageously shifted to another frequency range in which the human hearing is less sensitive. Furthermore, the device is relieved and the technical requirements with regard to it are reduced. In addition, it can be executed with known and existing devices.
    • 本发明涉及用于核磁共振的成像方法和装置。 一方面,该方法通过附加场提供图像编码,对于样本内的二维光栅表面的每个点,其具有仅出现一次的不同场强值,例如, ,在基于分形,表面填充和空间填充曲线的领域。 另一方面,可以提供沿空间填充和/或曲面填充曲线读取样本的共振特性。 在第一变型中,可以记录具有不具有时变梯度的单个高频激励的磁共振(MR)图像,这又有利地防止与之相关联的声音生成。 在第二变型中,在读出期间产生的声音有利地被移动到人听觉不太敏感的另一个频率范围。 此外,该装置得到缓解,并且减少了对其的技术要求。 此外,它可以用已知和现有的设备执行。
    • 2. 发明授权
    • Process and device for measuring the radiation depth of radiation
    • 用于测量辐射辐射深度的过程和设备
    • US6087664A
    • 2000-07-11
    • US11399
    • 1998-01-29
    • Stefan GrippFriedrich-Wolfgang HasingHarald Buker
    • Stefan GrippFriedrich-Wolfgang HasingHarald Buker
    • A61N5/10G01T1/06G01T5/08G01T1/17G01T1/185G01T1/20
    • A61N5/1048G01T1/06
    • The invention pertains to a measurement device comprising two sensors for measuring radiation doses. The sensors are, for example, optical waveguides aligned along a straight line. One of the optical waveguides covers a longer section along the line than the other waveguide; in particular, the difference is at least 20 mm. Measurement using the measurement device is done as follows: the radiation dose along the line of radiation down to the expected penetration depth is measured using the wider sensor; the narrower sensor is used to determine the radiation dose in a volume element within the radiation path. A quotient is formed from the two measurements and used to calculate the radiation depth on the basis of reference values. The proposed device facilitates rapid and simple determination of a penetration depth of an ionizing radiation, for example in tissue.
    • PCT No.PCT / DE96 / 01405 Sec。 371日期1998年1月29日 102(e)1998年1月29日PCT PCT 1996年7月25日PCT公布。 出版物WO97 / 05506 日期1997年2月13日本发明涉及包括用于测量辐射剂量的两个传感器的测量装置。 传感器例如是沿着直线排列的光波导。 光波导中的一个覆盖沿着该线路比另一个波导更长的部分; 特别地,差值至少为20mm。 使用测量装置测量如下:使用更宽的传感器测量沿着辐射线的辐射剂量到预期穿透深度; 较窄的传感器用于确定辐射路径内的体积元件中的辐射剂量。 一个商由两个测量形成,用于根据参考值计算辐射深度。 所提出的装置有助于快速和简单地确定电离辐射的穿透深度,例如在组织中。
    • 5. 发明授权
    • Measuring process and sensor for on-line in-vivo determination of the
tissue-equivalent dose in radiotherapy
    • 测量过程和传感器,用于在线放射治疗中组织等效剂量的体内测定
    • US5938605A
    • 1999-08-17
    • US894568
    • 1997-08-06
    • Friedrich-Wolfgang HasingHarald Buker
    • Friedrich-Wolfgang HasingHarald Buker
    • G01T1/00A61N5/10G01T1/02G01T1/16G01T1/161G02B6/02H05G1/26H05G1/44A61B6/00
    • H05G1/44A61N5/1048G01T1/02G01T1/161G02B6/02H05G1/26A61B6/583G02B6/02042
    • A process and measuring device for determining the tissue-equivalent dose in radiotherapy. First, the radiation dose is measured according to the process at a site by at least two sensors i and j. The sensors are designed such that the associated measuring signals S.sub.i and S.sub.j display different energy dependency of the detection sensitivity to ionizing radiation, a dose-independent quotient Q.sub.ij =S.sub.i /S.sub.j being formed from this difference. The tissue-equivalent dose D is then calculated from this dose-independent value. The advantages of this process are that the sensor material does not have to be adapted to the tissue and can therefore be freely selected, and the tissue-equivalent dose is determined highly accurately. The measuring device comprises three parallel fiber-optic sensors disposed equidistant in a plane, the outer sensors being identical and differing from the central sensor by differing energy dependency of the detection sensitivity to ionizing radiation.
    • PCT No.PCT / DE96 / 00174 Sec。 371日期:1997年8月6日 102(e)日期1997年8月6日PCT 1996年2月1日PCT公布。 第WO96 / 24859号公报 日期1996年8月15日用于确定放射治疗组织当量剂量的过程和测量装置。 首先,辐射剂量是根据至少两个传感器i和j在现场的过程来测量的。 传感器被设计成使得相关联的测量信号Si和Sj显示与电离辐射不同的检测灵敏度的能量依赖性,由该差异形成剂量依赖的商Qij = Si / Sj。 然后从该剂量无关值计算组织当量剂量D. 该方法的优点是传感器材料不必适应于组织,因此可以自由选择,并且高度准确地确定组织等效剂量。 测量装置包括在平面内等距设置的三个平行光纤传感器,外部传感器与检测灵敏度与电离辐射的能量依赖性不同,与中央传感器不同。
    • 6. 发明授权
    • Imaging method based on fractal surface-filling or space-filling curves
    • 基于分形表面填充或空间填充曲线的成像方法
    • US07557574B2
    • 2009-07-07
    • US10586083
    • 2004-12-17
    • Richard PatzakDaniel GembrisStephan AppeltFriedrich-Wolfgang HasingHorst Halling
    • Richard PatzakDaniel GembrisStephan AppeltFriedrich-Wolfgang HasingHorst Halling
    • G01V3/00
    • G01R33/4822G01R33/445G01R33/48G01R33/4806G01R33/5615
    • The present invention relates to an imaging method and device for nuclear magnetic resonance. On the one hand, the method provides an image coding by means of an additional field which has, for each point of a two-dimensional grating surface within the sample, a different field strength value that occurs only once, as is the case, e.g., in fields based on fractal, surface-filling and space-filling curves. On the other hand, the read-out of the resonance behavior of a sample along a space-filling and/or surface-filling curve can be provided. In the first variant, a magnetic resonance (MR) image with a single high-frequency excitation without a time-varying gradient can be recorded, which in turn advantageously prevents the sound generation associated therewith. In the second variant, the sounds generated during read-out are advantageously shifted to another frequency range in which the human hearing is less sensitive. Furthermore, the device is relieved and the technical requirements with regard to it are reduced. In addition, it can be executed with known and existing devices.
    • 本发明涉及用于核磁共振的成像方法和装置。 一方面,该方法通过附加场提供图像编码,对于样本内的二维光栅表面的每个点,其具有仅出现一次的不同场强值,例如, ,在基于分形,表面填充和空间填充曲线的领域。 另一方面,可以提供沿空间填充和/或曲面填充曲线读取样本的共振特性。 在第一变型中,可以记录具有不具有时变梯度的单个高频激励的磁共振(MR)图像,这又有利地防止与之相关联的声音生成。 在第二变型中,在读出期间产生的声音有利地被移动到人听觉不太敏感的另一个频率范围。 此外,该装置得到缓解,并且减少了对其的技术要求。 此外,它可以用已知和现有的设备执行。