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    • 16. 发明授权
    • Medical imaging system and method with integrated weight sensing
    • 医学成像系统与综合体重检测方法
    • US07682079B2
    • 2010-03-23
    • US12061464
    • 2008-04-02
    • Matthew Richard SchwartzRichard CoeRoy Frisque
    • Matthew Richard SchwartzRichard CoeRoy Frisque
    • A61B6/04H05G1/54
    • A61B5/0555G01G19/445
    • An integrated weight sensing system and method is disclosed for a medical imaging system. In one embodiment, the integrated weight sensing system may include a table assembly, a load cell, and a processor that are implemented in a medical imaging system. The table assembly includes a lifting mechanism used to position a patient within the medical imaging system. The load cell is mechanically coupled to the table assembly and in communication with the processor. The load cell is configured to measure and indicate the weight of the patient and the processor may be configured to adjust imaging parameters based on the weight of the patient. The table assembly may include a device in communication with the load cell and/or processor to display the weight of the patient. Additionally, the table assembly and/or the processor may include an interface for zeroing or recalibrating the load cell.
    • 公开了用于医​​学成像系统的集成重量感测系统和方法。 在一个实施例中,集成重量感测系统可以包括实现在医学成像系统中的台组件,称重传感器和处理器。 桌子组件包括用于将患者定位在医疗成像系统内的提升机构。 称重传感器机械地联接到工作台组件并与处理器通信。 测力传感器被配置成测量和指示患者的重量,并且处理器可以被配置为基于患者的重量来调整成像参数。 台组件可以包括与负载传感器和/或处理器通信以显示患者的重量的设备。 另外,台组件和/或处理器可以包括用于归零或重新校准称重传感器的接口。
    • 18. 发明申请
    • RADIOTHERAPY APPARATUS AND PARTS THEREOF
    • 放射治疗装置及其部件
    • US20090110150A1
    • 2009-04-30
    • US11925339
    • 2007-10-26
    • Kevin BrownPaul Boxall
    • Kevin BrownPaul Boxall
    • H05G1/54
    • A61N5/1049
    • The detected positioning error in a geometry item of a radiotherapy apparatus is generally passed to a transfer function for the system, which outputs a signal that dictates the radiation output. If the detected error is within certain limits then the radiation is permitted whereas outside those limits it is not permitted; this corresponds to a transfer function that is a simple two step function. We propose a transfer function having a result that is (a) substantially zero outside a preset error tolerance, (b) has a maximum result at a point within that tolerance, and (c) has a result that is between zero and that maximum over a range of error values that lie between (i) the error value corresponding to the maximum output and (ii) the preset error tolerance. This means that if an error grows towards (but does not exceed) the error tolerance, the output of the radiation source will reduce and allow time for the geometry item to correct its position.
    • 放射治疗装置的几何物体中检测到的定位误差通常被传递给系统的传递函数,该系统输出指示辐射输出的信号。 如果检测到的误差在一定范围内,则允许辐射,而不允许辐射; 这对应于一个简单的两步函数的传递函数。 我们提出一种传递函数,其结果是(a)在预设误差公差之外基本上为零,(b)在该容差内的点处具有最大结果,以及(c)具有在零和最大值之间的结果 误差值范围在(i)对应于最大输出的误差值和(ii)预设误差容差之间。 这意味着如果误差朝向(但不超过)误差容限增长,则辐射源的输出将减少,并允许几何项的时间来校正其位置。
    • 19. 发明授权
    • Method and apparatus for hot swapping portable detectors in x-ray systems
    • 用于x射线系统中热插拔便携式探测器的方法和装置
    • US07519156B2
    • 2009-04-14
    • US11752793
    • 2007-05-23
    • Rajeev R. Marar
    • Rajeev R. Marar
    • H05G1/54G01D18/00
    • G03B42/02A61B6/4494G06F19/00G16H40/40H04L67/12H04N5/32
    • Methods and apparatus are provided for hot swapping a portable detector to an imaging system. A portable detector having a unique identifier and calibration data is detected by an imaging system. The imaging system selects the calibration data for the detected portable detector. The imaging system uses the calibration data in the imaging process. In some embodiments, the selected calibration data can be stored in the portable detector or in the imaging system. In some embodiments, the calibration data is organized as both imaging system dependent and imaging system independent. In some embodiments, the imaging system integrates the portable detector and the associated calibration data into the operation of the imaging system.
    • 提供了用于将便携式检测器热插拔到成像系统的方法和装置。 具有唯一标识符和校准数据的便携式检测器由成像系统检测。 成像系统选择检测到的便携式检测器的校准数据。 成像系统在成像过程中使用校准数据。 在一些实施例中,所选择的校准数据可以存储在便携式检测器或成像系统中。 在一些实施例中,校准数据被组织为独立于成像系统和成像系统。 在一些实施例中,成像系统将便携式检测器和相关联的校准数据集成到成像系统的操作中。
    • 20. 发明授权
    • Collision detecting device and method
    • 碰撞检测装置及方法
    • US07492866B2
    • 2009-02-17
    • US11628873
    • 2005-06-23
    • Håkan NivestedtAlain Minoz
    • Håkan NivestedtAlain Minoz
    • H05G1/54
    • A61N5/1084
    • The present invention relates to a collision detecting device for a radiation treatment apparatus, comprising a radiation unit having an internal space, for directing radiation beams towards a radiological focus in the internal space for treatment of a target in a patient's body therein. The collision detecting device comprises a collision detecting unit being electrically conductive at least on its outer surface and having a size slightly smaller than the internal space of the radiation unit, so as to be insertable into the internal space and held in an electrically insulating manner in respect of the radiation unit by spacer elements. The outer electrically conductive surface is connectible to an electrical voltage supply in order to detect if the outer surface of the collision detecting unit abuts against the inside surface of the radiation unit. The invention also relates to a method for performing such collision detection.
    • 本发明涉及一种用于放射治疗装置的碰撞检测装置,包括具有内部空间的辐射单元,用于将辐射束引导到内部空间中的放射线焦点,用于治疗患者体内的靶。 碰撞检测装置包括碰撞检测单元,其至少在其外表面上具有导电性,并且具有略小于辐射单元的内部空间的尺寸,以便可插入到内部空间中并以电绝缘方式保持在 通过间隔元件对辐射单元的影响。 外部导电表面可连接到电压源,以便检测碰撞检测单元的外表面是否抵靠辐射单元的内表面。 本发明还涉及一种用于执行这种碰撞检测的方法。