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中耳内窥镜可看到中耳腔,使术前能对手术过程做到心中有数,它还能对手术后的中耳乳突术腔进行观察,以了解愈合情况,并能发现有无胆脂瘤残存或复发,或在必要时恰当地安排二期手术。本文介绍的内窥镜主要是为检查因耳胆脂瘤手术而行鼓室成形保持完整外耳道的上鼓室及鼓窦。做这类手术的患者有很高的胆脂瘤残存及复发率,因此常需做第二次复查手术,然而手术内容只不过是打开术腔看看而已。因此作者设计了这种内窥镜,以对这类病人作门诊检查,其用途为:①观察术后创腔;②早期诊断复发和/或残
Middle ear cavity can be seen in the middle ear cavity, so preoperative can do a good job in the surgical process, it can also after surgery in the middle ear mastoid cavity observed in order to understand the healing and can be found Cholesteatoma residual or recurrence, or if necessary, the appropriate arrangements for the second phase of surgery. The endoscope described in this article is mainly to check the tympanic cavity due to cholesteatoma surgery to maintain the integrity of the external auditory canal upper tympanic and sinus. Patients who undergo such procedures have a high residual and recurrence rate of cholesteatoma, and therefore often need to do a second review of surgery, however, the content of the surgery is only open the cavity to see it. Therefore, the author designed such an endoscope to perform an outpatient examination of such patients for the following purposes: (1) observing postoperative wound healing; (2) early diagnosis of recurrence and / or residual