Jove
Visualize
Contact Us

Related Concept Videos

Anatomy of the Ear01:16

Anatomy of the Ear

7.1K
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...
7.1K
The Cochlea01:13

The Cochlea

44.4K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
44.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cochlear Implant Insertion Routes and Intra-operative Electrophysiological Measurements: A Retrospective Analysis at a Tertiary Care Centre.

Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of Indiaยท2024
See all related articles
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 23, 2025

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
06:54

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

1.1K

Round Window Membrane Visibility and its Implications in Cochlear Implant Surgery.

Kanchan Tadke1, Harshali Girde1, Labhashree Bhosey1

  • 1Department of ENT, Government Medical College and Hospital, Nagpur, 440003 India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|March 12, 2025
PubMed
Summary

Round window (RW) electrode insertion is a viable, less traumatic option for cochlear implants. Careful surgical technique improves visibility and accessibility, regardless of round window membrane visibility grades.

Keywords:
Cochlear implant surgeryElectrode insertion routeRound window membrane visibility

More Related Videos

Author Spotlight: Extraction of Guinea Pig Round Window Membrane to Facilitate Inner Ear Drug Delivery Research
05:14

Author Spotlight: Extraction of Guinea Pig Round Window Membrane to Facilitate Inner Ear Drug Delivery Research

Published on: February 23, 2024

626
The Miniature Pig: A Large Animal Model for Cochlear Implant Research
06:16

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

2.7K

Related Experiment Videos

Last Updated: May 23, 2025

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
06:54

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

1.1K
Author Spotlight: Extraction of Guinea Pig Round Window Membrane to Facilitate Inner Ear Drug Delivery Research
05:14

Author Spotlight: Extraction of Guinea Pig Round Window Membrane to Facilitate Inner Ear Drug Delivery Research

Published on: February 23, 2024

626
The Miniature Pig: A Large Animal Model for Cochlear Implant Research
06:16

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

2.7K

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Biomedical Engineering

Background:

  • Increasing cochlear implant (CI) surgeries in patients with residual hearing necessitate less traumatic electrode insertion methods.
  • The round window (RW) is a preferred insertion route to minimize intracochlear trauma.
  • Round window membrane (RWM) visibility and orientation can challenge RW accessibility.

Purpose of the Study:

  • To identify factors influencing the accessibility of the RW for electrode insertion.
  • To evaluate the feasibility of RW electrode insertion in pediatric CI candidates.

Main Methods:

  • Surgical assessment of RW membrane visibility and accessibility in 30 pediatric CI candidates.
  • Standard posterior tympanotomy technique used for all procedures.
  • RWM visibility graded from I to IV before niche drilling.

Main Results:

  • RW insertion was successful in 66.7% of cases; extended RW in 33.3%.
  • No cases required bony cochleostomy.
  • No significant association found between RWM visibility grade and electrode insertion route.

Conclusions:

  • RW insertion is achievable in most cases with normal cochlear anatomy.
  • RWM visibility grades did not impact the electrode insertion route.
  • Meticulous surgical technique, including careful bone removal in the RW niche, enhances visualization and insertion, making RW a viable, less traumatic option.