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Related Concept Videos

Anatomy of the Ear01:16

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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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The Auditory Ossicles01:11

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
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Related Experiment Video

Updated: Jul 9, 2025

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques
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Diagnosing Middle Ear Malformation by Pure-Tone Audiometry Using a Three-Dimensional Finite Element Model: A

Shin-Ichiro Kita1, Toru Miwa2,3, Rie Kanai1

  • 1Department of Otolaryngology-Head and Neck Surgery, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Osaka 5308480, Japan.

Journal of Clinical Medicine
|December 9, 2023
PubMed
Summary

Finite element models accurately diagnose middle ear ossicular malformations, improving hearing loss treatment. This computational approach enhances diagnosis of ossicular fixation and disarticulation.

Keywords:
compliancediagnostic criteriafinite element modelossicular chaintympanoplasty

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Area of Science:

  • Biomedical Engineering
  • Computational Audiology
  • Otolaryngology

Background:

  • Middle ear malformations cause hearing loss, often treated with tympanoplasty.
  • Ossicular mobility is critical for successful tympanoplasty outcomes.
  • Preoperative audiograms alone struggle to pinpoint ossicular malformation locations.

Purpose of the Study:

  • To develop a computational method for diagnosing ossicular malformations.
  • To correlate finite element model simulations with audiometric data.
  • To objectively identify ossicular fixation and disarticulation.

Main Methods:

  • Creation of middle ear finite element models simulating ossicular malformations.
  • Comparison of model simulation results with actual preoperative audiograms.
  • Objective diagnosis of ossicular fixation and disarticulation.

Main Results:

  • Finite element models accurately simulated ossicular malformations.
  • The approach objectively diagnosed ossicular fixation and disarticulation.
  • This method bypasses limitations of physician examination and imaging.

Conclusions:

  • Computational modeling offers a promising diagnostic tool for middle ear malformations.
  • Future research should focus on developing large-scale data-driven diagnostic frameworks.
  • This approach can improve the accuracy of diagnosing hearing loss due to ossicular issues.