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耳背式助听器的优缺点是什么? - 上海助听器-静安虹口助听器-5折起上海助听器折扣店

有些助听器是戴在耳道里的,我们习惯统称为定制机,也可称为耳内机;有些助听器是戴在耳背上的,耳背式助听器,英文缩写是BTE。儿童和大部分老人家都会选择耳背式助听器,这种助听器有什么优缺点呢?

  耳背式助听器有哪些优点?

  (1)适用人X比较广泛:

  ①耳背式助听器可以去到很大的功率,无论是轻度耳聋还是极重度耳聋都可以选配。所以可以看到,很多耳聋比较严重的老人家都选择耳背机。

  ②有中耳疾病的听损人士(如中耳炎、耳内有分泌物等)如果选配定制机,不仅不利于康复,而且分泌物也容易影响助听器效果,甚至损坏助听器。戴耳背式助听器就可以减轻或避免上述的状况。

  ③耳背式助听器也适合外耳畸形或耳科手术后无法选配定制机的人X。

  ④儿童由于耳道发育还没定形,不适合戴定制机,所以耳背式助听器。

  (2)比起戴在耳道里的定制机,耳背式助听器的体积比较大,可安装一些复杂的线路、芯片等,可以加强功能,提升音质。

  (3)电池、按钮等比较大,容易操作,尤其方便老人家。

  (4)调节方便,耐久性好,出故障容易修理。

  (5)外壳不用定制,现场调试好之后可以直接佩戴,节省了等待制作外壳的时间(定制机需要等一两周)。

  (6)有些耳背式助听器的外壳色彩丰富,可以让小朋友不那么抗拒,提高他们佩戴的X。比如臻耳LX超大功率助听器就有很多不同颜色的外壳。

  耳背式助听器有哪些缺点?

  (1)麦克风与授话器的距离比较近,容易引起啸叫(术语为“声反馈”),但可以通过定制耳模来改善。而随着技术的发展,当下有些助听器采用了超高效的反馈消除系统,检测和消除反馈的速度比以往快10倍。上面提到的臻耳LX超大功率助听器就采用了这种技术。

(2)麦克风小孔位于耳廓上方,出汗容易渗入此孔并渗透到助听器其他部位,引起助听器故障,所以平时就要注意擦拭汗水以及做好助听器干燥保养。

(3)即便戴在耳背,头发可以遮住,但体积还是比定制式助听器要大,容易被其他人看到,对于一些追求美观或不想别人发现自己戴助听器的人来说,这个是比较大的缺点。

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