前言： 目的：分析胃扭转的X线表现，应用数字化胃肠X线机提高胃扭转的类型和扭转方向的诊断准确率和手法整复率。
Objective: To study the X-ray findings of gastric volvulus, promote the diagnostic accuracy in the gastric volvulus type and rotation in the digital radiography.
目的：将普通胃肠机进行改造，升级成数字胃肠，成为PACS的一个基本单元。
Objective to upgrade ordinary gastrointestinal machine to a digital one which can be connected to PACS.
叙述了对X线胃肠机的光信息进行处理的必要性和X线胃肠机的图像数字化方法概况。
The necessity of processing optical information for traditional X ray device has been stated, and the methods used to realize digital image has been outlined.
方法：通过数字化胃肠机的特有功能的应用，对照片的清晰度、对比度、废片率，疾病漏诊率等方面进行探讨。
Methods The definition and contrast of the film, and the rate of waste film and missed diagnosis were analyzed in this article.
方法：通过数字化胃肠机的特有功能的应用，对照片的清晰度、对比度、废片率，疾病漏诊率等方面进行探讨。
Methods The definition and contrast of the film, and the rate of waste film and missed diagnosis were analyzed in this article.
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