hearing aid medical devices medical supplies health care rehabilitation equipment

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ear-folding type

The shape is similar to a banana curve, lying behind the ear, generally about 4-5cm long. The speaker opening is connected to a hard plastic tube-made sound guide hook, which is hung on the root of the earlobe. From this hook, through a soft plastic tube and ear moldearplug" 或 "earplugPlaced in the auricular cavity and ear opening to assist hearing, some countries have seen the fastest development of this type of hearing aid. Many manufacturers can provide 30 to 50 different specifications of products, with increasing functionality. Now, they can be manufactured into large-power models or special types of behind-the-ear hearing aids suitable for deaf and mute children with low-frequency hearing loss. Due to their excellent performance, the casing can be made in various skin colors, hidden behind the ears by hair, often undetected by outsiders, which very satisfies the psychological needs of the deaf. In some countries, it has become the most popular type of hearing aid, with an average usage rate of about 60%.

"盒式"可以翻译为 "tape".

It is also known as a pocket-sized or miniature device. It is the size of a cigarette box and is hung in a small pouch or pocket on the chest. The main unit is connected by a wire.HeadphonesInserted into the external auditory canal, its main disadvantage is the long wire, which is neither aesthetically pleasing nor convenient. However, due to its larger size, it can house a variety of function adjustment switches, providing better acoustic performance, and it is easy to make a high-power model to meet the needs of severely deaf children. It is used by children and the elderly more frequently, accounting for 5-10% of the demand.