动态分析；控制；X线最大衰减系数；体位设计；摄影条件

计算机在X线摄影条件分析与控制中的应用

http://www.100md.com 《实用医技杂志》 2006年第15期

动态分析；控制；X线最大衰减系数；体位设计；摄影条件,,],动态分析；控制；X线最大衰减系数；体位设计；摄影条件,1系统组成,2工作原理,3结果与讨论,4结论,参考文献：

     [摘要] 目的：利用计算机对X线摄影条件进行分析与控制，获取优质X线影像。方法：根据被检体的自然信息，采用变动管电压、变动管电流量的动态分析技术，由X线最大衰减系数确定最佳摄影管电压，管电流由计算机根据检查部位及目的的不同自动控制，曝光时间由智能数字化接口控制。结果：与传统X线摄影相比，采用该方法进行X线摄影，所成影像不但具有良好的对比度，而且还具有丰富的影像层次。它既克服了传统X线摄影条件选取的局限性及其不足，又丰富了体位设计内容。结论：在X线摄影条件的分析与控制中应用计算机，不但成像质量高，而且还具有控制精度高、使用灵活等优点，极具应用价值。

    [关键词] 动态分析；控制；X线最大衰减系数；体位设计；摄影条件

    Application of Computer for Analysis and Control of Xray Radiographic Condition

    CUI Fa，CUI Lixin

    (The People's Hospital of Taiping，Dongguan，Guangdong 523900,China)

    Abstract：Objective To analyze and control the radiographic conditions with computer so as to get high quality Xray image.Methods According to the information of the checked body,and use the dynamic analyzing technologies of changing tube tension and current dosage to get the best radiographic conditions.The best photograph tube tension was decided by XRay maximum attenuation coefficient.Automatic control the current dosage on the basis of checkpoint and purpose by computer,control the exposure time by the digitalization interface with intelligence.Results There is fine contrast and affluent image layer in this type of Xray photograph compare to the traditional means.We not only make the posture design more affluent but also mke up the local of traditional means Conclusion in electing radiographic conditions.Conclusion There is not only high quality image but also high controlling precision and using actively by computer in analysing and controlling radiographic condition. ......

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