采用再改进的改良蛙式石膏固定治疗 42例先天性髋关节脱位 ,年龄分布为 7月～ 9岁 ,平均为 3 .5岁 ,手法复位成功率为 90 % ,详细介绍了改良蛙式石膏固定再改进的操作方法及其要点。结果表明 :该方法较传统的改良蛙式石膏的优点有①方法简便易行 ,便于基层推广 ;②便于术后护理 ;③便于术后早期功能段炼 ,有利于股骨头的生长发育 Forty-two patients with congenital dislocation of the hip were treated with modified improved frog cast immobilization. The age distribution ranged from 7 months to 9 years with an average of 3.5 years. The success rate of hand reduction was 90%. The modified frog plaster fixation Then to improve the operation method and its essentials. The results showed that the advantages of this method compared with the traditional frog gypsum improvement are as follows: ① The method is simple and easy to promote at the grassroots level; ② It is convenient for postoperative nursing; ③ It facilitates the early postoperative functional section refining and is conducive to the growth and development of the femoral head