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    • 3. 发明授权
    • Radiation therapy machine with triple KV/MV imaging
    • 具有三重KV / MV成像的放射治疗机
    • US07502443B1
    • 2009-03-10
    • US11936126
    • 2007-11-07
    • Stephen E. HaynesMichiel T. vanderPols
    • Stephen E. HaynesMichiel T. vanderPols
    • A61B6/02
    • A61N5/1049A61B6/4007A61B6/4014A61N5/1069A61N2005/1061
    • A triple imager arrangement is mounted onto a linear accelerator, providing pre- or post-treatment images of a patient, for verification and monitoring of patient position. Left and right diagnostic radiation sources mounted onto the treatment head. The triple imager arrangement is mounted on the gantry counterweight, with a portal imager and left and right diagnostic image detectors. Image-forming plates of the portal imager and the diagnostic imagers are positioned perpendicular to the therapy beam central axis, and perpendicular to the central axes of the diagnostic sources. The image forming plates are the same given distance X from the respective source. The resulting image information can be used in conjunction with an assistance module for assisting the linear accelerator therapist in accurate adjustment of the patient position.
    • 三重成像器装置安装在线性加速器上,提供患者的治疗前或治疗后图像,用于验证和监测患者位置。 左右诊断辐射源安装在治疗头上。 三重成像器装置安装在龙门架配重上,配有门式成像仪和左右诊断图像检测器。 门诊成像仪和诊断成像仪的图像形成板垂直于治疗束中心轴定位,垂直于诊断源的中心轴定位。 图像形成板与来自各个源的给定距离X相同。 所得到的图像信息可以与用于辅助线性加速器治疗师准确调整患者位置的辅助模块结合使用。