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 Experiment Videos

Insertional trauma of multichannel cochlear implants

D B Welling1, R Hinojosa, B J Gantz

  • 1Department of Otolaryngology, Ohio State University, Columbus 43210.

The Laryngoscope
|September 1, 1993
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Influence of dietary arginine ratio on local and systemic inflammatory responses to lipopolysaccharide in broilers.

Poultry science·2025
Same author

Biginelli dihydropyrimidines and their acetylated derivatives as L-/T-type calcium channel blockers: Synthesis, enantioseparation, and molecular modeling studies.

Archiv der Pharmazie·2025
Same author

The EUFOREA pocket guide for chronic rhinosinusitis.

Rhinology·2022
Same author

Focusing on C-4 position of Hantzsch 1,4-dihydropyridines: Molecular modifications, enantioseparation, and binding mechanism to L- and T-type calcium channels.

European journal of medicinal chemistry·2022
Same author

Effect of a Swing-Assist Knee Prosthesis on Stair Ambulation.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2021
Same author

Design of a Semi-Powered Stance-Control Swing-Assist Transfemoral Prosthesis.

IEEE/ASME transactions on mechatronics : a joint publication of the IEEE Industrial Electronics Society and the ASME Dynamic Systems and Control Division·2021
Same journal

Association Between the Modified Frailty Index and Short-Term Total Thyroidectomy Complications.

The Laryngoscope·2026
Same journal

Discrimination of Pairs of Chemosensory Stimuli in Relation to Respiration.

The Laryngoscope·2026
Same journal

What Safety Precautions Are Recommended When Lasering in the Airway?

The Laryngoscope·2026
Same journal

Success of Anterior Ethmoidal Artery Flaps for Nasal Septal Perforation Repair: A Systematic Review.

The Laryngoscope·2026
Same journal

Laryngeal IgG4-Related Disease: A Systematic Review of Clinical Features and Management.

The Laryngoscope·2026
Same journal

Elevated BMI Is Not Associated With Adverse Outcomes in Open Airway Reconstruction.

The Laryngoscope·2026
See all related articles

This study compared insertional trauma from three cochlear implant electrodes in human temporal bones. The Nucleus electrode caused the least trauma, which is important for evolving cochlear implant procedures.

Area of Science:

  • Otoacoustic Emissions
  • Auditory Neuroscience
  • Surgical Innovation

Background:

  • Cochlear implantation is a common treatment for severe to profound hearing loss.
  • Minimizing surgical trauma during cochlear implant insertion is crucial for preserving residual hearing and optimizing device performance.
  • Different multichannel electrode designs may result in varying degrees of cochlear trauma.

Purpose of the Study:

  • To evaluate and compare the insertional trauma caused by three distinct multichannel cochlear implant electrode designs.
  • To identify the electrode type associated with the least amount of cochlear damage.
  • To assess the relevance of insertional trauma to current and future cochlear implant indications and revision surgeries.

Main Methods:

  • A single-blind controlled study was conducted using sixteen fresh human temporal bones.

Related Experiment Videos

  • Three types of multichannel electrodes (Symbion/InnerAid, Cochlear/Nucleus, Storz/UCSF) were implanted.
  • Seven temporal bones served as controls, undergoing cochleostomy only, followed by histological evaluation and trauma mapping.

    • Main Results:

    • All three electrode designs resulted in insertional trauma, though the damage was unlikely to impede implant function.
    • Each electrode type exhibited a unique pattern of cochlear trauma.
    • The Cochlear/Nucleus electrode design demonstrated the least insertional trauma among the tested devices.

    Conclusions:

    • The choice of cochlear implant electrode can influence the degree of insertional trauma.
    • Understanding insertional trauma patterns is vital for refining surgical techniques and patient selection for cochlear implantation.
    • Findings are relevant for both initial implantations and re-implantation procedures in cases of device failure.