【摘要】 目的:探讨1∶1等长骨骼数字X线摄影技术及在人工关节置换术术前及术后的应用价值。方法:应用Kodak DR3000X线机对100例髋关节或膝关节疾病患者进行站立负重位或仰卧位摄片,在Kodak图像处理工作站上经过金属刻度尺预设实验,确定1∶1等长X线片的校准值。结果:预设长度值与实际测量值为1∶1.2的比例关系,100例患者的1∶1等长X线片打印成功,偏差度为0.4%,满足临床要求。结论:髋关节或膝关节站立负重位或仰卧位下的1∶1等长X线片可为骨科医师提供人体髋关节或膝关节的形态变化,为手术方案提供人工关节选择的测量数据,并能对术后疗效进行评估。更多还原

【Abstract】 Objective:To explore the application and value before and after prosthetic joint replacement by using 1∶1isometric skeleton digital radiography technique.Methods:Digital radiography of the patient in standing or supine position was taken in 100 patients with hip joint or knee joint disease with Kodak DR3000X-ray system.The 1∶1 isometric calibration value of the X-ray film was determined with a metal scale preset experiment in Kodak image processing workstation.Results:The preset length values and the actual measured values had a ratio of 1∶1.2.The 1∶1 isometric X-ray films of 100 patients were printed successfully,with about 4% of the error,and to match the clinical needs.Conclusion:The 1∶1 isometric X-ray films of hip joint or knee joint in standing or supine position may show the shape changes of human hip joint or knee joint,provide the measurement data for prosthetic joint selection in the surgical strategy,and be used to evaluate the postoperative therapeutic effect.更多还原