洛阳助听器都有哪些类型呢
根据外型分,洛阳助听器可分为耳背式和耳内式。
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由于洛阳儿童助听器声音输出口离人耳鼓膜很近,助听器输出的声音能立即到达鼓膜,使输出增益和波形没有受到衰减,保证了足够的声能和音质保真度。使用范围较窄,仅适用于轻、中度耳聋者,听力损失在65分贝内效果不错。儿童耳道未发育成熟不适宜配戴。
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