我院自1980年开始应用新生儿鼓膜及听小骨行同种异体鼓膜听小骨移植,取得满意疗效。在治疗中发现疗效与材料的采取和保存有密切关系。现将体会介绍于下。 1.材料来源新生儿均为孕七个月以上。死亡原因有:(1)因难产发生宫内窒息,(2)各种原因穿颅后;(3)晚期引产;(4)有严重畸形等。标本全部在死亡后24小时内取出,共80具死婴。 2.采取方法全部采用颅内进路,步骤如下: (1)切除颞骨:以耳廓为中心,围绕耳廓外3 Our hospital since 1980, the application of neonatal eardrum and ossicle allograft tympanic membrane transplantation, achieved satisfactory results. In the treatment found that efficacy and materials are closely related to the adoption and preservation. Will now be introduced in the next. 1. Source of material Neonates are more than seven months pregnant. Causes of death are as follows: (1) intrauterine asphyxia due to dystocia, (2) after craniotomy for various reasons, (3) late induction of labor, (4) severe deformity, and the like. All samples were taken within 24 hours after death, a total of 80 dead babies. 2. To take all the methods of intracranial approach, the following steps: (1) removal of the temporal bone: auricle as the center, around the outer ear 3