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An Implantable System For Chronic In Vivo Electromyography
Published on: April 21, 2020
[Passive and active middle ear implants]
1Klinik und Poliklinik für Hals-, Nasen- und Ohrenkrankheiten, Kopf- und Halschirurgie der Universität zu Köln, Köln. dirk.beutner@uni-koeln.de
Laryngo- Rhino- Otologie
|April 9, 2009
Summary
Modern ear microsurgery aims to reconstruct the sound conduction apparatus using autogenous ossicles or alloplastic materials. Implantable hearing aids offer a promising alternative for hearing restoration when passive implants face limitations.
Area of Science:
- Otolaryngology
- Biomaterials Science
- Biomedical Engineering
Context:
- Chronic middle ear disease necessitates sound conduction apparatus reconstruction.
- Autogenous ossicles and alloplastic materials are used for ossicular chain reconstruction.
- Titanium middle ear implants offer anatomical adaptation but face limitations.
Purpose:
- To review the current state of passive and active middle ear implants.
- To discuss the material requirements for middle ear prostheses.
- To explore alternatives for hearing restoration in cases of tubal-middle-ear dysfunction.
Summary:
- Reconstruction of the sound conduction apparatus is a key goal in ear microsurgery, utilizing autogenous ossicles or various alloplastic materials.
- Sophisticated titanium implants are increasingly used, but hearing restoration with passive devices can be limited by middle ear dysfunction.
- Implantable hearing aids present a promising alternative for sensorineural hearing loss and potentially other conditions.
Impact:
- Advances in middle ear implants aim to improve hearing restoration outcomes.
- Biocompatibility and acoustic-mechanic properties are critical for prosthesis success.
- Implantable hearing aids represent a significant development in addressing limitations of passive middle ear implants.
