COMPARISON OF SOUND TRANSMISSION CHARACTERISTICS THROUGH RECONSTRUCTED TYPES OF TYMPANOPLASTY USING A FULL-SCALE MODEL EXPERIMENT

Takuma Ichino, Yuta Kurashina, Motoki Hirabayashi, Sho Kurihara, Takumi Asakura

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Tympanoplasty is surgical operation performed for intractable otitis media which includes chronic otitis media and chronic suppurative otitis media with cholesteatoma and has multiple types depending on the patient’s medical condition. This includes the ossicle reconstruction by inserting reconstruction material to restore hearing. However, there are some cases in which postoperative hearing performance is poor, and no expected knowledge has been obtained. There are some studies on the mechanism of sound transmission through human intact middle ear, but we have not yet obtained enough information on the mechanism of sound transmission through the reconstructed ossicles. In this study, the hypothesis where differences in sound transmission characteristics in wide frequency range occur due to the shapes of the reconstructed model was verified by measuring the displacement of stapes footplate with laser doppler vibrometer in a full-scale model experiment including external auditory canal, tympanic membrane, tympanic cavity, and ossicles.

Original languageEnglish
Title of host publicationProceedings of the 30th International Congress on Sound and Vibration, ICSV 2024
EditorsWim van Keulen, Jim Kok
PublisherSociety of Acoustics
ISBN (Electronic)9789090390581
Publication statusPublished - 2024
Event30th International Congress on Sound and Vibration, ICSV 2024 - Amsterdam, Netherlands
Duration: 8 Jul 202411 Jul 2024

Publication series

NameProceedings of the International Congress on Sound and Vibration
ISSN (Electronic)2329-3675

Conference

Conference30th International Congress on Sound and Vibration, ICSV 2024
Country/TerritoryNetherlands
CityAmsterdam
Period8/07/2411/07/24

Keywords

  • ossicles
  • restoring hearing
  • tympanoplasty

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