Emergency No: 08062136598A cochlear implant refers to an electronic medical device that enhances hearing. The device stimulates electric signals to improve moderate to severe hearing loss in adults, children, and babies. A cochlear implant has two components, external and inner.
The external component is placed behind the ear which consists of a microphone to receive sound waves. A speech processor analyses the sound waves and converts them into digital signals which are sent to a transmitter. The transmitter forwards the signals to the internal receiver and both are held together by a magnet.
Once the inner component, implanted beneath the skin receives the digital signals, it converts them into electrical impulses which stimulate cochlear nerves. Finally, the nerves forward these impulses to the brain which results in the sensation of hearing. It can take time to learn to interpret the signals received from the cochlear implant. However, three to six months of use can help people gain an understanding of the speech.
A cochlear implant is not for everyone. It is only after a comprehensive diagnosis, the doctor can truly recommend implants. You may be a candidate for cochlear implant surgery if you have -
Before the procedure, the doctor will evaluate your medical condition to determine whether cochlear implants are a good option. The doctor may suggest tests for hearing, speech and balance. You may also have to undergo a physical examination and imaging tests like MRI, CT scan, etc. to assess your general health.
The doctor may provide a set of instructions which can help you prepare before the procedure. Since the procedure involves anaesthesia, you must not eat or drink anything the day before the surgery. Also, you must inform your healthcare expert of any ongoing medications, existing medical conditions and history of allergies due to anesthesia to avoid complications during the surgery.
During the surgery, the doctor will inject general or local anesthesia to minimize the pain and discomfort during the procedure. The surgeon then makes a tiny incision behind the ear to access the mastoid bone inside the ear. A microscope and bone drill are used to open the mastoid bone and insert the inner part of the implant. Subsequently, an electrode array is passed into the inner ear (cochlea).
Finally, the receiver is placed into the pocket behind the ear which keeps it in place and allows the transfer of electrical information from the device. The surgeon may also drill the device into the bone so that it does not move under the skin.
The patient is taken to the recovery room where a team checks the vitals and monitors recovery. The patient may feel slight discomfort as the effect of anaesthesia wears off. However, the doctor may prescribe medications to relieve pain after the operation. Additionally, there may be some pressure and discomfort over the ear where the device is implanted along with dizziness and nausea for a short while.
The shaved hair will grow back and the outside part of the device will be placed 1 to 4 weeks post-surgery to give the opening time to heal.
The Calcutta Medical Research Institute (CMRI) is one of the largest multispecialty hospitals in Kolkata. Our hospital is equipped with state-of-the-art technology which has revolutionized the healthcare industry for the best surgical outcomes.
In addition, our hospital has several eminent specialists, surgeons and healthcare providers of national and international repute for comprehensive and personalised treatment. CMRI provides patient-centric care and empathy from internationally trained nurses to ensure holistic care for patients seeking effective surgery for cochlear implants. Here are a few advantages of choosing CMRI for your cochlear Implants surgery-
Pros -
Cons -
No, the patient is given anesthesia before the procedure which means they do not feel any pain or discomfort during the procedure. However, once the effect of anesthesia wears off, there may be a slight sensation of pain at the surgical site which can go away with medications.
ENT surgeon specialises in diagnosing and treating conditions related to the ear, nose and throat. Therefore, in case you are planning to undergo Cochlear Implants, get in touch with an ENT surgeon. Call us to book an appointment with some of the best ENT specialists in Kolkata for an effective cochlear implant surgery.
Possible complications of cochlear implants include the following -
Cochlear implants are surgically implanted under the skin, behind the ear whereas a hearing aid is placed around the ear. Cochlear implants change the way a person receives sound whereas hearing aids magnify the sound.
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