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    • 6. 发明授权
    • Vacuum-assisted stereotactic fixation system with patient-activated
switch
    • 具有患者激活开关的真空辅助立体定向固定系统
    • US5549616A
    • 1996-08-27
    • US344291
    • 1994-11-22
    • Reinhard W. SchulteDavid A. LesynaWilliam J. WicksHelmut J. Meinass
    • Reinhard W. SchulteDavid A. LesynaWilliam J. WicksHelmut J. Meinass
    • A61B17/00A61B17/30A61B19/00
    • A61B90/16A61B90/10A61B90/14A61B2017/00725A61B2017/306A61B2090/363A61B2090/3983A61N2005/1097
    • A stereotactic fixation apparatus provides for accurate and reproducible positioning of a patient's skull during medical diagnostic and treatment procedures. The stereotactic fixation apparatus includes a mouthpiece having an acrylic impression formed as an impression of the patient's upper teeth and hard palate. The mouthpiece is connected to a stereotactic frame, which in turn is releasable connected to an adaptor board on which the patient rests. Vacuum pressure is used to draw the acrylic impression firmly against the patient's hard palate. Vacuum pressure is also used to hold the stereotactic frame on the adaptor board. The stereotactic fixation apparatus additionally includes a patient-activated safety release mechanism which allows the patient to disconnect the vacuum pressure and to dislodge the restraints of the mouthpiece and frame, as well as to disable the medical equipment used with the medical diagnostic or treatment procedure. A calibration phantom desirably is used with the stereotactic fixation apparatus to calibrate the orientation of the mouthpiece relative to the reference axes of the medical treatment device during each stage of the patient's course.
    • 立体定向固定装置在医疗诊断和治疗过程中提供了患者头骨的准确和可再现的定位。 立体定向固定装置包括具有形成为患者上牙和硬腭的印象的丙烯酸印模的接口。 接口连接到立体定向框架,立体定向框架又可释放地连接到患者休息的适配器板上。 使用真空压力将丙烯酸压印牢牢地压在患者的硬腭上。 真空压力也用于将立体定向框架保持在适配器板上。 立体定向固定装置还包括患者激活的安全释放机构,其允许患者断开真空压力并且移除接口管和框架的限制,以及禁用与医疗诊断或治疗程序一起使用的医疗设备。 与立体定向固定装置一起使用校准体模以在患者进程的每个阶段期间校准接口件相对于医疗设备的参考轴线的取向。
    • 8. 发明授权
    • Beamline control and security system for a radiation treatment facility
    • 用于辐射治疗设施的光束控制和安全系统
    • US5895926A
    • 1999-04-20
    • US963414
    • 1997-11-03
    • Barrie G. BrittonDavid A. LesynaJon W. Slater
    • Barrie G. BrittonDavid A. LesynaJon W. Slater
    • A61N5/10G21K5/04G21G1/10
    • A61N5/1079A61N5/1048G21K5/04A61N2005/1074A61N2005/1087
    • The present invention is directed to a method and apparatus for beamline security in radiation beam treatment facilities. The system monitors and controls the radiation beam steering system to safeguard against wrong-path and multiple-path conditions which could otherwise lead to accidental radiation exposure. One aspect of the method involves comparing the beam path configuration signals to signals corresponding to a requested beam configuration to check for agreement, as well as singular path configuration. Controller checks are performed using complimentary-redundant logical communication paths applied to the state of the beam steering system. Upon detection of any one of several possible error conditions, such as over-heating, communication link failure, unauthorized personnel entry and multiple path condition, the beamline power supplies are disabled, preventing transfer of the radiation beam to the treatment room.
    • 本发明涉及一种用于辐射束处理设备中的束线安全性的方法和装置。 系统监控和控制辐射束转向系统,以防止否则会导致意外辐射暴露的错误路径和多路径条件。 该方法的一个方面涉及将光束路径配置信号与对应于所请求的波束配置的信号进行比较以检查协议以及单路径配置。 使用应用于波束转向系统状态的互补冗余逻辑通信路径执行控制器检查。 在检测到诸如过热,通信链路故障,未经授权的人员进入和多路径状况的几个可能的错误状况中的任何一个时,束线电源被禁用,从而防止辐射束传递到治疗室。
    • 9. 发明授权
    • Proton beam digital imaging system
    • 质子束数字成像系统
    • US5825845A
    • 1998-10-20
    • US739512
    • 1996-10-28
    • Mark S. BlairDavid A. LesynaPengyue James LinJagadish P. SamantaraiBerry B. Yeldell
    • Mark S. BlairDavid A. LesynaPengyue James LinJagadish P. SamantaraiBerry B. Yeldell
    • A61N5/10
    • A61N5/1049A61N2005/1061A61N2005/1062A61N2005/1087A61N5/1069
    • A proton beam digital imaging system comprising an X-ray source which is movable into the treatment beam line that can produce an X-ray beam through a region of the patient. An X-ray receiver receives the X-ray beam after it has passed through the patient and the X-ray receiver generates photons that correspond to the X-ray image. The photons are directed to a TEC CCD camera to produce a patient orientation image which displays the orientation of the center of the beam relative to selected monuments in the patient's skeletal structure. The system also receives a master prescription image which displays the target isocenter with respect to the same selected monuments of the patient's skeletal structure. By comparison of the relative positions of the center of the beam in the patient orientation image and the isocenter in the master prescription image with respect to the selected monuments, the amount and direction of movement of the patient to make the beam center correspond to the target isocenter is determined.
    • 一种质子束数字成像系统,其包括可移动到治疗束线中的X射线源,其可以通过患者的区域产生X射线束。 X射线接收器在通过患者之后接收X射线束,并且X射线接收器产生与X射线图像相对应的光子。 光子被引导到TEC CCD照相机以产生患者取向图像,其显示相对于患者骨骼结构中的选定纪念碑的光束中心的取向。 系统还接收相对于患者骨骼结构的相同选定纪念碑显示目标等角点的主处方图像。 通过比较患者取向图像中的梁的中心和主处方图像中相对于所选择的纪念碑的等角点的相对位置,患者的移动量和方向使得束中心对应于目标 确定等角点。