Surgical anatomy of the round window—Implications for cochlear implantation

Surgical anatomy of the round window—Implications for cochlear implantation KeypointsCochlear ImplantationRound WindowMiddle EarInner EarEar AnatomyINTRODUCTIONThe round window (RW) is 1 of the 2 natural openings from the middle ear into the inner ear. It is located at the end of the scala tympani (ST) facing the middle ear cleft, sealed by the RW membrane (RWM). The RW works as a valve, balancing the pressure in the inner ear, which is changed by movements of the stapes inside the oval window. For this, the RW membrane vibrates with opposite phase to vibrations of the stapes footplate, letting the sound energy dissipate again. Hence, the RW is considered to be a precondition for audition, as it allows the incompressible fluid in the cochlea to move, which in turn stimulates the inner ear hair cells by consecutive movement of the basilar membrane.According to our current understanding, the RW thus represents the physiological exit out of the inner ear for the sound energy. Due to technologies, mainly cochlear implants (CI) and active middle ear implants, researchers and surgeons now look at the RW also as another entrance to the inner ear and access to the cortical organ or auditory nerve. With the advent of new electrode designs and greater emphasis on preservation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical Otolaryngology Wiley

Surgical anatomy of the round window—Implications for cochlear implantation

Loading next page...
 
/lp/wiley/surgical-anatomy-of-the-round-window-implications-for-cochlear-rpKOl6DXPZ
Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
© 2018 John Wiley & Sons Ltd
ISSN
1749-4478
eISSN
1749-4486
D.O.I.
10.1111/coa.13048
Publisher site
See Article on Publisher Site

Abstract

KeypointsCochlear ImplantationRound WindowMiddle EarInner EarEar AnatomyINTRODUCTIONThe round window (RW) is 1 of the 2 natural openings from the middle ear into the inner ear. It is located at the end of the scala tympani (ST) facing the middle ear cleft, sealed by the RW membrane (RWM). The RW works as a valve, balancing the pressure in the inner ear, which is changed by movements of the stapes inside the oval window. For this, the RW membrane vibrates with opposite phase to vibrations of the stapes footplate, letting the sound energy dissipate again. Hence, the RW is considered to be a precondition for audition, as it allows the incompressible fluid in the cochlea to move, which in turn stimulates the inner ear hair cells by consecutive movement of the basilar membrane.According to our current understanding, the RW thus represents the physiological exit out of the inner ear for the sound energy. Due to technologies, mainly cochlear implants (CI) and active middle ear implants, researchers and surgeons now look at the RW also as another entrance to the inner ear and access to the cortical organ or auditory nerve. With the advent of new electrode designs and greater emphasis on preservation

Journal

Clinical OtolaryngologyWiley

Published: Jan 1, 2018

Keywords: ; ; ; ; ;

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve Freelancer

DeepDyve Pro

Price
FREE
$49/month

$360/year
Save searches from
Google Scholar,
PubMed
Create lists to
organize your research
Export lists, citations
Read DeepDyve articles
Abstract access only
Unlimited access to over
18 million full-text articles
Print
20 pages/month
PDF Discount
20% off