Conclusion It is considered that the location of the insertion should be at the middle point of anterior border of the r论幼儿人工耳蜗植入点应选择在圆窗龛前游离缘中点向前0.90-.9mm、向下.9mm以内的位置;
When the round window niche is not found,the location of the insertion has to be at the middle point of the inferior mar在圆窗龛显示困难的病例,植入点应定位于距镫骨底板下缘中点下方约 mm处。