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Friday, February 20, 2009

What are the stages involved when purchasing custom earplugs?

By Dionne Payn

Now you've chosen where to purchase your custom earplugs, you'll need to get an impression of your ear canals taken. Here's an overview of what to expect when you visit your audiologist.

Before your appointment

If you are prone to suffering from the build up of ear wax, or you have had this condition in the past, then it is usually best if you visit a doctor before making an appointment with your audiologist. This way your ears can be checked and any excessive amounts of wax can be removed.

This is important because large amounts of ear wax will actually affect the shape of the mould taken by the audiologist, and in turn this will lead to a custom earplug which does not form a complete seal inside your ear canal.

For the same reasons it is best to allow any surgery that you may have had on your ears to fully heal. This ensures that your ears have returned to their natural shape before having your impression taken.

During your appointment

The audiologist will first take a look at your ear, to check that your ear is healthy and that you don't have an excessive build up of wax. The audiologist may also ask questions about your general heath - for example whether you have a head cold, which may prevent you from having your impressions taken on that day.

The audiologist will then place a small cotton or foam block in your ear, to act as a block and prevent the impression material from touching your eardrum.

The material used to make the impression is then placed in a syringe and then slowly injected into your ear canal. This is then left to set for about 5 minutes. Your audiologist may ask you to keep very still and not to speak, this makes sure that a proper seal is created, making the impression as accurate as possible.

Another way of ensuring a good seal is by placing the foam or cotton barrier after the second bend of the ear canal. By doing this a perfect seal is formed deep inside the ear and therefore results in an extremely effective earplug.

Once the impression has set, your audiologist will remove the mould and the cotton or foam blocking piece. They will then inspect your ears for any material that may have been left. The next step is to send the completed impression off to the company who will manufacture your earplugs. Depending on the provider you use, this is either be done by your audiologist, or you may be responsible for it yourself.

Normally, you can expect to receive your finished earplugs within 21 days, however this varies depending on where your impressions are manufactured.

Some hearing protection providers will ask you to return to your audiologist for a fitting appointment. During this appointment your audiologist will explain how to fit and remove your earplugs. Fitting and removing your earplugs is not hard, though it can take some getting used to at first. We find that the effectiveness of custom earplugs is increased when we provide training for our clients.

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