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Home Otorhinolaryngology Otology  Cochlear implantation

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Cochlear Implantation

Prof.Jajin Song

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Cochlear implantation
2D
3D
Prof. Jawon Koo Seoul National University Bundang Hospital | Republic of Korea Speciality : Otorhinolaryngology
20:25

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Published : 2017-06-29  Views : 1,263 Likes :
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Information

Summary
A cochlear implant is a surgically implanted neuroprosthetic device that provides a sense of sound to a person with moderate to profound sensorineural hearing loss.
This operation was performed using L-shape incision technique through retroauricular approach.
The type of cochlear implants used here is MEDEL



Techniques
Facial recess approach

Pericanal technique
  - C shape
  - J shape
  - Inverted U
  - A least across-segment variance (LASV) S
  - Straight



Part of Cochlear implant
External
  - Microphone
  - Speech processor
  - Transmitter

Internal
  - Receiver and stimulator
  - An array of up to 22 eletrodes



Type of Cochlear implant
  - Advanced Bionics
  - Nucleus
  - MED-EL



Application
  - Bilateral severe to profound Sensorineural Hearing Loss (SNHL)
  - Little or no benefit fromm hearing aids
  - no medical contraindication for surgery
  - Realistic expectation
  - adequate cognitive function to be able to use the device



Complication
Elary stage
  - Scalp flap problems ( Infection, Necrosis, Thickness )
  - Otitis media
  - Meningitis
  - Facial nerve paralysis
  - Tinnitus
  - Vertigo
  - Device migration
  - Device failure
  - Facial nerve stimulation

Late stage
  - Exposure of device & extrusion
  - Displacement of device
  - Pain at the site of implant
  - Device failure



Patient
Gender
Male

Age
63

Diagnosis
Sensorineural Hearing Loss, Both

Chief Complaint
Hearing loss, Both
■ Microscope : CarlZeiss Pentero

■ Navigation :    -

■ Surgical Drill : B. BRAUN Aesculap

■ 3D Camera : 3DMedivision M-Flix

■ 3D Recorder : 3DMedivision R-Flix

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