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    • 7. 发明授权
    • Method and system for detecting and correcting erroneous exposures
generated during x-ray imaging
    • 用于检测和校正在x射线成像期间产生的错误曝光的方法和系统
    • US5694449A
    • 1997-12-02
    • US650677
    • 1996-05-20
    • James Kenneth Aragones
    • James Kenneth Aragones
    • H05G1/64A61B6/00H05G1/44H05G1/60
    • H05G1/60H05G1/44A61B6/508
    • The present invention discloses a method and system for detecting and correcting an erroneous exposure generated during x-ray imaging of a patient. In the present invention, x-ray imaging settings for imaging the patient are selected. X-ray beam quality and x-ray quantity values are generated from the selected x-ray imaging settings. An exposure rate is predicted from the x-ray beam quality and x-ray quantity values. The patient is then exposed to an x-ray beam having the generated x-ray beam quality and x-ray quantity values. The total exposure is then determined and compared to the predicted exposure rate. The comparison is then used to determine if the patient is being exposed at an erroneous level. If the exposure is at a correct level, then the exposure is completed. However, if the exposure is not at a correct level, then the exposure is stopped and adjusted to a new exposure level.
    • 本发明公开了一种用于检测和校正在患者的x射线成像期间产生的错误曝光的方法和系统。 在本发明中,选择用于对患者进行成像的X射线成像设置。 从所选择的X射线成像设置产生X射线束质量和X射线量值。 根据x射线束质量和x射线量值预测曝光率。 然后将患者暴露于具有生成的x射线束质量和x射线量值的X射线束。 然后确定总暴露量并将其与预测的暴露率进行比较。 然后比较用于确定患者是否在错误的水平被暴露。 如果曝光处于正确的水平,则曝光完成。 但是,如果曝光不在正确的水平,则曝光被停止并调整到新的曝光水平。