教学
In this topic you will learn about two types of behind-the-ear hearing aids.
助听器
助听器是佩戴在耳朵上的电子设备。助听器可以将某些声音变大，从而帮助患者听得更清楚。
耳背式助听器
这种助听器安装在耳后。
Two types of digital behind-the-ear hearing aids are included on TAP:
1. Preprogrammed
These are already programmed according to common types of hearing loss.
Programmes can be selected:
- Manually
- By an app on a smartphone or tablet.
Preprogrammed hearing aids are recommended for adults.
2. Programmable
These are adjusted according to individual needs.
They can be adjusted by:
- 计算机软件
- 一个应用程序
They provide extra programming features to make sounds clearer.
Programmable hearing aids are recommended for children.
重要功能
Hearing aids should have the following features to be safe and effective:
- Comfortable and easy to wear behind the ear
- Different sizes of standard earmoulds
- Easy to use and maintain
- Make sounds clearer for people with a range of different types of hearing loss
- Programmed manually or using computer software or smartphone/tablet app
- Durable when exposed to light rain, humidity and dust (average lifespan of five years).
Essential adjustments:
- A minimum of four sound processing channels to make the sounds clearer and more comfortable to hear
- Fitting range for mild to severe hearing loss.
Other features
Hearing aids may also have other features including:
- Rechargeable hearing aid and/or battery
- Programming can be done wirelessly (Bluetooth) or using a cable
- Additional channels.
Hearing aids may have extra features which make:
- It easier to hear speech sounds in noisy environments
- Sounds that are loud more comfortable to hear.
助听器的部件
- 麦克风
- 耳钩
- Standard earmould
- 电池
- 音量开关
- Programme switch.
活动
Look at the diagram of the parts of a hearing aid.
Match the numbered list of parts with the correct explanation of what the part does.
Part and function
- Microphone: Detects the sound
- Ear hook: Connects the body of the hearing aid to the earmould
- Standard earmould: Attaches to the ear hook to connect the hearing aid to the person’s ear
- Battery: Provides power to the electronic parts
- Volume switch: Increases or decreases the volume of sound
- Programme switch: Button or switch that changes the programme of the hearing aid