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下肢短缩畸形临床常用尺量法和垫高法测量,但都有一定误差.近年来我院采用双腿三关节带标尺投照,经50例测量验证,取得了满意的效果,介绍如下:操作方法;取1mm的铅皮制成3×100cm带有铅号码和刻度的标尺,患者平卧在摄影台上,身体正中面对台面中线,两下肢伸直靠拢,将标尺直放在台面中心线上.使0度与足跟相平,暗匣放在滤线器内,移动球管和胶片,分别对踝、膝、髋关节曝光,不曝光的胶片可用铅橡皮覆盖.测量方法:在三个关节的X片上,选定两侧相应点(胫骨的踝、膝关节的面,股骨膝关节面和股骨头最窝点),并读出数值.两端关节的读数相减就是该骨的长度,两侧数字相减就能测出肢体短缩的程度.
Lower limb shortening deformity clinical commonly used method of measurement and pad height measurement, but there are some errors.In recent years, our hospital with legs and legs with three rods with a projection, measured by the 50 cases verified and achieved satisfactory results, described as follows: Method of operation; take 1mm lead made of 3 × 100cm with lead numbers and scales ruler, supine patients in the studio, the middle of the body facing the center line of the table, the two lower limbs straight close, the ruler straight on the table center Online. 0 degrees and the heel flat, dark box on the filter, the tube and film moves, respectively, ankle, knee, hip joint exposure, unexposed film can be covered with lead rubber Measurement Methods: In Three joints of the X-piece, the corresponding points on both sides (tibial ankle, knee joint surface, femoral knee joint surface and the femoral head most densities) were selected and read the value of the two ends of the joint subtraction of the reading is the bone Length, both sides of the digital subtraction can measure the extent of limb shortening.