我科采用自制胎儿脱钙骨作为充填材料 ,矫治喉、气管狭窄 1例 ,效果满意。报告如下。1　资料与方法1 .1 　 材料制备用 6～ 8个月胎儿脱钙四肢长骨、骼骨及颅骨 ,去除骨膜 ,清水冲洗 2 4 h,0 .5mol/L盐酸脱钙 3～5 d。当骨质柔软呈半透明时 ,乙醚脱脂 36 h,95%乙醇脱水 4 h,最 Our department used homemade fetus decalcified bone as a filling material, the treatment of throat, tracheal stenosis in 1 case, the effect is satisfactory. The report is as follows. 1 Materials and Methods 1.1 Materials Preparation with 6 to 8 months fetal decalcification long bones limbs, iliac bone and skull, remove the periosteum, rinsed with water 24 h, 0 .5mol / L hydrochloric acid decalcification 3 ~ 5 d. When the bone was translucent soft, ether degreasing 36 h, 95% ethanol dehydration 4 h, most