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    • 3. 发明授权
    • Radiotherapeutic apparatus
    • 放射治疗仪
    • US07907699B2
    • 2011-03-15
    • US12281093
    • 2007-02-26
    • Andrew LongMichael Vogele
    • Andrew LongMichael Vogele
    • A61N5/10
    • A61N5/1049A61B6/583A61N5/107A61N2005/1059A61N2005/1061A61N2005/1076
    • A reference phantom includes CT-imageable detail together with light-reflective spheres. This item can be placed on a patient table in a known location, following which the diagnostic source can be activated to detect the phantom position relative to the isocentre and camera employed to detect the PSS position. A synthetic image of the phantom can be used for comparison with the CT dataset. This allows improved correlation of the source and the patient support, enable further steps to be taken in enhancing the clinical effectiveness of the apparatus. In-use variations of the isocentre location can be corrected in real time by adjustment of the patient support. Thus, as the isocentre moves, the patient can be moved so as to track the moving isocentre. The linac arm could also be designed differently, as the existing design constraint (that isocentre movement must be limited as far as possible) could potentially be relaxed in order to achieve other aims.
    • 参考幻影包括CT可成像细节以及光反射球体。 该项目可以放置在已知位置的患者台上,随后诊断源可以被激活以检测相对于用于检测PSS位置的等中心和相机的幻影位置。 幻影的合成图像可用于与CT数据集进行比较。 这允许改善源和患者支架的相关性,使得能够采取进一步的步骤来提高装置的临床效果。 可以通过调整患者支持来实时地校正异中心位置的正在使用的变化。 因此,当等中心移动时,可以移动患者以跟踪移动的等中心。 直线加速器臂也可以设计不同,因为现有的设计限制(尽可能地限制了同心圆的运动)可能会放松,以达到其他目的。
    • 4. 发明申请
    • Radiographic apparatus
    • 射线照相设备
    • US20100104070A1
    • 2010-04-29
    • US12445203
    • 2006-10-11
    • Christopher KnoxAndrew LongKevin Bronw
    • Christopher KnoxAndrew LongKevin Bronw
    • H05G1/10A61B6/00G01N23/04
    • A61B6/5217A61B5/113A61B6/541A61N5/1064A61N2005/1061
    • For Respiration Correlated Cone Beam CT scanning, we have observed that improvements in the frame rate are in fact undesirable. We therefore propose a radiographic apparatus comprising a beam of radiation and a detector therefor, adapted to obtain a two dimensional image of the beam after passing through a cyclically varying object to be investigated, a processor adapted to review the images and select images at like points in the cycle, and a control means for the beam of radiation adapted to activate the beam periodically. The control means can activate the beam at a frequency of between 0.5 and 5 Hertz, more preferably between 1 and 3 Hertz, which corresponds (roughly) to a frequency that is between 6 and 10 times the frequency of the cyclical variation. It will assist if the selected point of the cycle is an extremity thereof, as the rate of change in these areas is at a minimum. Thus, slight mismatches between the two cycles will then have only a small effect. Typically, the object will be a patient and the cyclical variation will be the patient's breathing cycle.
    • 对于呼吸相关锥束CT扫描,我们已经观察到,帧率的改善实际上是不希望的。 因此,我们提出了一种包括辐射束和其检测器的放射线照相设备,适用于在通过待调查的循环变化的物体之后获得光束的二维图像,适于检查图像并在相同点上选择图像的处理器 以及用于辐射束的控制装置,其适于周期性地激活光束。 控制装置可以以0.5Hz至5Hz,更优选1至3赫兹之间的频率激活该波束,其大致对应于循环变化频率的6至10倍之间的频率。 如果周期的选定点是其极限,则这些区域的变化率最小。 因此,两个周期之间的轻微错配将只有很小的影响。 通常,对象将是患者,周期性变化将是患者的呼吸周期。
    • 8. 发明授权
    • Interactive garment printing for enhanced functionality of absorbent articles
    • 用于增强吸收制品功能的互动服装印花
    • US08334425B2
    • 2012-12-18
    • US11769369
    • 2007-06-27
    • Thomas AlesShirlee Ann WeberAndrew Long
    • Thomas AlesShirlee Ann WeberAndrew Long
    • A61F13/15A61F13/20
    • A61F13/42A61F2013/425A61F2013/8497H03K17/96
    • An absorbent article may include one or more circuits formed on the exterior of the article that are configured to connect to a monitoring device. When connected to a monitoring device, the circuit(s) can be used to provide input data to the monitoring device. The monitoring device may provide audio, visual, and other feedback that changes based on user input data. In some embodiments, the monitoring device can further connect to one or more circuits internal to the article to sense changes in the state of the article. For example, interactive features supported by the monitoring device may relate to the wetness state of the article and/or may be used to control the type of indication(s) provided by the monitoring device when wetness (or another state) is detected. In some embodiments, the monitoring device can be used to provide interactive games for the user of the article. In some embodiments, the monitoring device can be configured to provide feedback triggered by a caregiver, such as potty training reinforcement messages.
    • 吸收制品可以包括形成在物品的外部上的被配置为连接到监视装置的一个或多个电路。 当连接到监控设备时,电路可用于向监控设备提供输入数据。 监视设备可以提供基于用户输入数据而改变的音频,视觉和其他反馈。 在一些实施例中,监视设备可以进一步连接到物品内部的一个或多个电路以感测物品状态的变化。 例如,由监视装置支持的交互特征可以涉及物品的湿度状态和/或可以用于控制当检测到湿度(或另一状态)时由监视装置提供的指示的类型。 在一些实施例中,监视设备可以用于为文章的用户提供交互式游戏。 在一些实施例中,监视设备可以被配置为提供由照顾者触发的反馈,诸如便盆训练强化消息。
    • 9. 发明授权
    • Calibration of volume acquired images
    • 体积获取图像的校准
    • US08224055B2
    • 2012-07-17
    • US12517839
    • 2006-12-08
    • Andrew Long
    • Andrew Long
    • G06K9/00
    • G06T5/20G06T5/008G06T5/40G06T2207/10081G06T2207/20012
    • A reference image is used to calibrate a subsequent image, such as one obtained during therapy. A number of local histograms are prepared for each image, a transformation is identified that transforms the histograms to be substantially the same and is applied to voxels in the subsequent image. Changes between the reference and subsequent images such as the movement of internal structures will be preserved since the method compares local histograms and this corrects intensities, not shapes. Gently varying artifacts such as the cup artifact will be substantially eliminated. The volume image thus derived can then be used for treatment planning.
    • 参考图像用于校准后续图像,例如在治疗期间获得的图像。 为每个图像准备多个局部直方图,识别将直方图变换为基本相同的变换,并将其应用于后续图像中的体素。 由于该方法比较局部直方图,因此校正了强度而不是形状,因此将保留参考图像和后续图像之间的变化,例如内部结构的移动。 基本上消除了诸如杯子伪影的轻微变化的人造物。 然后将如此导出的体积图像用于治疗计划。