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    • 3. 发明公开
    • RADIATION IMAGING APPARATUS
    • EP3335634A1
    • 2018-06-20
    • EP15910242.5
    • 2015-12-10
    • Shimadzu Corporation
    • SHIROTA Ken
    • A61B6/00
    • A61B6/4476A61B6/00A61B6/4021A61B6/4452A61B6/461
    • A radiation image capturing apparatus maintains previous image capturing position data stored in an image capturing position data storage unit 15 of a control unit 13 when a setting of a reference position of a long-length imaging region and the number of images to be captured are not changed. On the other hand, the radiation image capturing apparatus clears the previous image capturing position data stored in the image capturing position data storage unit 15 of the control unit 13 when either a setting of a reference position of a long-length imaging region or the number of images to be captured is changed. Then, the control unit 13 temporarily prohibits X-ray image capturing, and a warning display unit 16 causes a display unit 11 to display a display prompting input of image capturing position data for subsequent long-length image capturing. This display is kept displayed until an operator inputs image capturing position data for subsequent long-length image capturing. When an operator inputs image capturing position data for the subsequent long-length image capturing and the data is stored in the image capturing position data storage unit 15 of the control unit 13, the control unit 13 releases the prohibition of image capturing.
    • 7. 发明公开
    • RADIOGRAPHIC IMAGING APPARATUS AND PARTICLE BEAM THERAPY SYSTEM
    • 射线照相成像设备和粒子束治疗系统
    • EP3251600A1
    • 2017-12-06
    • EP17173021.1
    • 2017-05-26
    • Hitachi, Ltd.
    • IE, ShinichirouUEMURA, NorihiroTAKEUCHI, Keigo
    • A61B6/03A61B6/06A61B6/00A61N5/10
    • A61N5/1049A61B6/032A61B6/06A61B6/4014A61B6/4085A61B6/4266A61B6/4452A61B6/5205A61N5/1081A61N2005/1061A61N2005/1087
    • Provided is a radiographic imaging apparatus having a simplified structure. The radiographic imaging apparatus is configured so that an irradiation device is mounted on a rotary drum 32, 32A of a rotary gantry 31, 31A. A pair of X-ray sources is disposed outside the rotary drum 32, 32A and attached to the outer surface of the rotary drum. A pair of FPDs facing the respective X-ray sources is mounted in the irradiation device. When X-rays are irradiated, X-ray intensity information is calculated by a signal processing device based an output signal from each radiation detection element of each FPD, and stored in a memory 87, 100. Based on FOV information set by an input device, an X-ray intensity acquisition device acquires multiple pieces of X-ray intensity information that are calculated based on the output signals from the radiation detection elements in small FOV areas (or large FOV areas) of the FPDs, which are included in the X-ray intensity information stored in the memory. An image reconstruction device uses the acquired multiple pieces of X-ray intensity information to generate three-dimensional tomographic image information for positioning a diseased part.
    • 提供一种具有简化结构的放射线照相成像设备。 放射线照相成像装置被配置为使得照射装置被安装在旋转机架31,31A的旋转鼓32,32A上。 一对X射线源设置在旋转鼓32,32A的外部并且附接到旋转鼓的外表面。 面对各个X射线源的一对FPD安装在照射装置中。 在照射X射线时,根据来自各FPD的各放射线检测元件的输出信号,由信号处理装置计算出X射线强度信息,并存储在存储器87,100中。基于由输入装置设定的FOV信息 X射线强度获取装置获取多个X射线强度信息,所述多个X射线强度信息是基于在X中包括的FPD的小FOV区域(或大FOV区域)中的来自放射线检测元件的输出信号计算出的 射线强度信息存储在存储器中。 图像重建装置使用所获取的多个X射线强度信息来生成用于定位患病部位的三维断层图像信息。