Jove
Visualize
Contact Us
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 Concept Videos

Anatomy of the Ear01:16

Anatomy of the Ear

10.1K
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...
10.1K
The Cochlea01:13

The Cochlea

48.7K
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.
48.7K

You might also read

Related Articles

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

Sort by
Same author

Motor-free visual perception and visuomotor integration in pediatric arterial ischemic stroke.

European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society·2026
Same author

Protocol for the establishment of the Pediatric Registry for Stroke as a Multidisciplinary Approach to healthcare research (PRiSMA) study.

PloS one·2026
Same author

Predictive value of foetal superior temporal sulcus asymmetry for neonatal speech discrimination.

Brain communications·2026
Same author

Evaluation of Spiral Ganglion Lesions by Electrophysiological Measures.

Brain sciences·2026
Same author

Complications of Therapeutic Plasma Exchange in Pediatric Neuroimmune Disorders.

Children (Basel, Switzerland)·2025
Same author

Effects of CI Electrode Pullback on Electrophysiology, Audiology, and Postoperative Imaging.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2025

Related Experiment Video

Updated: Nov 15, 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

1.5K

Minimizing Intracochlear Pressure: Influence of the Insertion Sheath.

Ceyhun Ucta1, Philipp Mittmann1, Arneborg Ernst1

  • 1Department of Otolaryngology at ukb, Charité Med School Berlin, Hospital of the University of Berlin, Berlin, Germany.

Audiology & Neuro-Otology
|March 1, 2021
PubMed
Summary
This summary is machine-generated.

Modifying cochlear implant electrode insertion sheaths reduced intracochlear pressure. Shortening or tapering the sheath significantly lowered pressure changes, improving atraumatic cochlear implantation.

Keywords:
Cochlear implantPerimodiolar electrodePreservation of residual hearing

More Related Videos

Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

4.7K
Cochlear Implantation in the Guinea Pig
09:56

Cochlear Implantation in the Guinea Pig

Published on: June 15, 2018

11.5K

Related Experiment Videos

Last Updated: Nov 15, 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

1.5K
Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

4.7K
Cochlear Implantation in the Guinea Pig
09:56

Cochlear Implantation in the Guinea Pig

Published on: June 15, 2018

11.5K

Area of Science:

  • Otolaryngology
  • Biomedical Engineering
  • Surgical Innovation

Background:

  • Minimizing trauma during cochlear implantation (CI) is a key surgical goal.
  • Perimodiolar electrode arrays require insertion sheaths, which can affect intracochlear pressure.
  • Optimizing insertion techniques is crucial for patient outcomes.

Purpose of the Study:

  • To investigate modifications of the insertion sheath to reduce intracochlear pressure changes.
  • To evaluate the impact of sheath design on pressure dynamics during electrode insertion.

Main Methods:

  • Utilized an artificial cochlear model for testing.
  • Assessed seven distinct modified insertion sheaths.
  • Measured intracochlear pressure using a micro-optical sensor in the apical cochlear region.

Main Results:

  • Shortening or tapering the apical portion of the insertion sheath significantly reduced intracochlear pressure.
  • Modifications to the sheath's stopper also demonstrably influenced pressure levels.
  • Observed a notable decrease in intracochlear pressure gain with modified sheaths.

Conclusions:

  • Insertion sheath modifications can effectively lower intracochlear pressure.
  • Subtle changes in electrode insertion techniques have a significant impact.
  • Findings highlight the importance of sheath design in atraumatic CI procedures.