在日常放射科投照工作中,常遇到外伤后牵引的病人需照髋关节平片,按传统投照方法要求应加用滤线器,但我们在实际工作中发现床边投照髋关节使用滤线器,所用拍照条件高,相对曝光时间长,胶片清晰度低,废片率高,且被检查者接受放射线量相对增多,为此我们采用了拍照关节片时不使用滤 In daily radiological work, often encountered trauma patients need to follow the hip joint plain film, according to the traditional method of application requirements should be added with a filter, but we found in the actual work of bedside projection hip The use of filters, the use of high photography conditions, the relative exposure time is long, the film is low definition, high scrap rate, and the examinee received a relatively increase in the amount of radiation, for which we use the camera when the film does not use the filter