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Related Concept Videos

Anatomy of the Ear01:16

Anatomy of the Ear

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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

The Auditory Ossicles

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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.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
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Related Experiment Video

Updated: Mar 6, 2026

Robot-Assisted Transcanal Endoscopic Ear Surgery for Congenital Cholesteatoma
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Aid for impacted foreign body ear.

G K Narayana1

  • 1Dept of Otolaryngology, Sri Devaraj Urs Medical College, 563101 Kolar.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|November 3, 2012
PubMed
Summary

Impacted foreign bodies in the ear are common and resource-intensive. This study details creating a custom ear foreign body removal hook from a lumbar puncture needle.

Area of Science:

  • Otolaryngology
  • Medical Device Design

Background:

  • Foreign body in the ear is a frequent clinical issue.
  • Impacted foreign bodies present significant management challenges and resource demands.

Purpose of the Study:

  • To develop an easily customizable and cost-effective hook for ear foreign body removal.
  • To adapt readily available medical supplies for specialized surgical tools.

Main Methods:

  • Modification of a standard lumbar puncture needle.
  • Fabrication of a custom hook instrument for foreign body extraction from the ear canal.

Main Results:

  • Successful creation of a functional foreign body removal hook.
  • Demonstration of the hook's utility in a simulated or actual clinical setting (details not provided in abstract).

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Conclusions:

  • A modified lumbar puncture needle can serve as an effective custom tool for ear foreign body removal.
  • This approach offers a potentially low-cost alternative for managing ear foreign bodies.