Abstract
1068 cases of tympanoplasty were carried out during the period between Jan. 1958 and Dec. 1967 at the Department of Otolaryngology, Okayama University Medical School.
Among them the cases of so-called specific type tympanoplasty were 292 including 113 successful cases. In the case of specific type with mobile stapes or stapes footplate, ossicular remnants or auricular cartilage were generally utilized to reconstruct ossicular chain. In the cases with mobile stapes in which only incudostapedial joint was broken, polyethylene tube was used for this purpose.