Are There Hearing Aids That Are Waterproof? Is it OK to Wear Hearing Aids in the Pool?  

by Pool Builders on 05-05-2010 in Articles

Hearing aids [] are prone to all sorts of moisture and their is no way to steer clear of it completely. The best you can do to guard your investment and your instruments is to keep an acceptable level of dryness and that can be done in a number of techniques.

People often asked if there is such a thing as a waterproof hearing aid. The answer is "none that have been successful." Part of the reason why hearing aids persist to have moisture problems is due to the battery. The batteries in hearing aids [] are air stimulated... that means that they ought to be exposed to the air to work. If the hearing aids were completely sealed from air, the batteries would not operate (consequently, they cannot be without difficulty sealed from water for the same explanation). Also, if the aids are sealed and dampness gets in the aid it won't be able to discharge back out. If dampness becomes trapped within the hearing aid you then have battery corrosion issues and possibly moisture related collapse of the amplifier, and/or processor (or other delicate parts of the hearing aid). So, some seepage of air (and water) is necessary for a hearing aid to operate. Perhaps one day with sciences like Nanotechnology we will finally be able to generate a membrane barrier that will not let moisture in but will allow moisture to flow and air in for the battery. Perhaps with improvements to the batteries (for instance the new rechargables that are surfacing) we will no longer need zinc-air battery cells for power. Some manufacturers are starting to play around with Nanotechnology and it is an interesting science. Maybe someday customers will see many of their troubles bit by bit addressed as appropriate solutions are put on the market.

As for wetness deterrence solutions... To start with, you cannot go for a dip with your hearing aids in, but if you are going to put on your in-the-ear (ITE) aids in or in the region of the pool or other potentially dangerous places, at the very least find a head wrap called EarBandit. This will also keep the aids from droping in the water. For those of you that put on behind-the-ear (BTE) hearing aids, you can also utilize the sweatband or EarGear stuff. These are not water-resistant options and you still must avoid getting the aids damp... but they will give splashguard. So, you can unwind a little and have some enjoyment. When you are done for the day at the swimming pool... let your hearing aids tumble dry for 8 hours before wearing them again. Unfasten the battery gate and put in a dry, safe area. Never use hair dryers, heat lamps, hot air guns, microwaves or ovens to dry up the hearing aids.

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