A step toward sound: how cochlear implant surgery works and why you shouldn't fear it
A safe, proven path to a full world of sound
Any surgical procedure naturally causes anxiety, especially when it concerns your child's health or your own.
But there's one important thing to understand: cochlear implant surgery is a relatively simple, minimally invasive procedure performed successfully thousands of times a year around the world. To ease your fears and give you a sense of confidence, let's take an open, detailed look at exactly how this surgical stage works.
This is surgery on the ear, not the brain
One of the strongest and most common fears is the myth that the implant is placed in the brain. This is absolutely not true.
Cochlear implantation is surgery performed exclusively on the ear, by an ENT surgeon at an ENT clinic.
How the surgery itself works: step by step
The procedure is performed under general anesthesia and typically takes only 1 to 2 hours.
Preparation:
Before surgery, the hair behind the ear, where the implant will be placed, is shaved. Don't worry about the aesthetics: within a few weeks the hair grows back, and the healed cosmetic scar, like the implanted part of the device hidden under the skin, will be completely unnoticeable.Placing the receiver:
The surgeon makes a small, precise incision behind the ear (and slightly above it) to access the inner ear through the bone. A small recess is formed in the bone, in which the implant's receiver is securely placed.Inserting the electrodes:
Then, a very thin chain of active electrodes is inserted into the cochlea of the inner ear through a specially prepared opening. The surgeon's most important task is to insert the entire chain fully, as this ensures accurate sound transmission across the full frequency range.Modern gentle techniques allow surgeons to perform the surgery in a way that preserves as much of the patient's natural residual hearing as possible.
Checking the system:
Right during the surgery, while the patient is asleep, doctors record the stapedial reflex (contraction of the middle ear muscle) in response to electrical stimulation.This allows surgeons to immediately confirm that the electrodes are inserted correctly and the system is working properly.
Closing:
The electrodes and receiver are securely fixed in place to prevent any future displacement, after which the incision is closed.
Watch a video about the surgery stages
Extremely precise electrode placement
The electrode is inserted with extremely high precision thanks to Advanced Bionics' unique technology — the ability to insert the same electrode up to three times without losing its quality.
This always increases reliability and improves the accuracy of implant placement in the cochlea.
Appearance and specifications of the Advanced Bionics implant
Safety and material reliability
Medicine has made enormous progress in this field. The risk of cochlear implantation is comparable to the risk of common, routine middle-ear surgeries.
No serious negative consequences are known.
Possible complications are rare and only temporary: they may include delayed wound healing, slight numbness around the implant, temporary dizziness, or a change in taste.
All of these sensations pass fairly quickly during post-operative recovery.
Facial nerve damage is extremely rare thanks to the high skill of the surgeons performing these procedures.
In addition, the implants themselves are made of biocompatible materials, so cases of the body rejecting the device are practically unheard of.
The internal part is placed for life — it doesn't need replacing even as a young child grows, since the inner ear (cochlea) is already fully formed at birth.
A fast, easy recovery
The recovery period is significantly easier and faster than many expect:
- Most patients, including children, can get up, talk, and feel well on the day of surgery itself, as soon as the anesthesia wears off.
- The next day, the person can move around with virtually no restrictions.
- A head bandage stays on for just a few days to protect the incision.
- In many cases, the procedure is done on an outpatient basis, with the child going home the same day (sometimes an overnight stay is needed).
- If hospitalization is required, the stitches are usually removed after 7–10 days and the patient is discharged.
- Statistically, most adult patients report a full recovery in under two weeks, while children return to their usual activities within a couple of days.
After surgery, a bit of patience is needed: the implant itself isn't activated yet, so the patient won't hear any new sounds for now.
About 4–6 weeks later, once the surgical incision has fully healed and the swelling has gone down, the most anticipated event happens — the speech processor is switched on.
Video about activating the Advanced Bionics speech processor
The most important thing to remember
The surgery itself isn't the finish line — it's just a reliable, proven and safe step on the remarkable path to full communication and a life filled with sound.
But it's worth it!
Watch this inspiring video about two sisters from Aktobe with Advanced Bionics implants.
