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Home > Products & Suppliers > International Trade Mart (District 4)> 5 F > Daily Necessities> Pujiang Jian Yu health materials Co., Ltd 中文
hearing aid medical devices medical supplies health care rehabilitation equipment

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Pujiang Jian Yu health materials Co., Ltd 14yr.

Contacts:AnnaChat

Mobile:86-18758911519

E-mail:2427910563@qq.com

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  • Description

地址:义乌国际商贸城三期四区75号门5楼1街50308、50310、50311、50312店面
联系电话:18758911519
QQ:3547068691

微信:Jianyu50309

耳背式

形似香蕉曲度,伏于耳后,一般长约4~5cm。受话器开口与一硬质塑料管制成的导声钩连接,把它挂在耳廓上缘根部,由此钩经软塑料管和耳模耳塞放进耳甲腔及耳道口助听,有些国家此型助听器发展最快,许多厂家可提供30~50种不同规格产品,功能逐渐增多。现已能制成大功率型或适用于低频残听为主的聋哑儿童所需的特殊型耳背式助听器。由于性能优良,机壳可制成各种肤色,伏于耳后为头发所隐蔽,往往不为外人发现,很能满足聋人心理要求。在某些国家已成为最受欢迎的普及型助听器,一般使用率达到60%左右。

盒式


又叫口袋式或袖珍式。体积似香烟盒,挂在胸前小袋内或衣袋内。主机经一根导线连接耳机插入外耳道内使用,其主要缺点是导线较长,既不美观又不方便。但因体积较大,可装置多种功能调节开关,提供较好的声学性能,并易制成大功率型,以满足严重耳聋儿童的需要。以儿童和老人使用较多,占需求量的5~10%。

 

 


Update time:20250317145930


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