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鼓室成形术是治疗中耳病变引起的传导性听力障碍的有效措施,但手术能否恢复听力,关键在于传导声音的鼓膜和听骨链是否能够重建起来。近十多年来,鼓膜修补术和听骨链重建术的取材和移植方式日趋精细完善,疗效有所提高。我们在听骨链重建术的实践中,遇到镫骨完整且有一定活动度,而砧骨长突坏死缺损者较多,重新修补缺损的长突方法虽然很多,但术后容易移位,以致手术失败。我们在砧骨移位术的基础上把砧骨雕磨成帽状(类似工人安全帽)戴在镫骨头上,收到一定疗效。现报道如下。
Tympanoplasty is an effective measure for the treatment of conductive hearing impairment caused by middle ear lesions. However, whether the operation can restore hearing or not, the key is whether the tympanic membrane and the ossicular chain can be reconstructed. In the recent ten years, the methods of drawing and transplantation of tympanic membrane repair and ossicular chain reconstruction have been increasingly refined and improved, and the curative effect has been improved. In our practice of skeletal reconstruction, we encountered a complete tarsal bone with a certain degree of mobility, while there were more defects in the long anterior incision of the anus. Although there are many methods for repairing defects, That surgery failed. On the basis of incus shift, we carved the incus into a cap (similar to a worker’s helmet) and weighed in on the bones. Report as follows now.