成人選擇助聽器的(de)注意事項
市場上(shang)的助(zhu)聽器分盒式、耳背式、耳內式和耳道式幾種類(lei)型。
1。盒(he)(he)式助聽器又叫袖珍式或口袋(dai)式,比(bi)火柴盒(he)(he)稍大,機(ji)身與(yu)耳(er)機(ji)有(you)導線相接,使用時(shi)耳(er)機(ji)插在外耳(er)道(dao),盒(he)(he)子(zi)放胸前(qian)衣袋(dai)里。其優(you)點是干(gan)擾較(jiao)小,功率較(jiao)大,使用方(fang)便(bian),容易調(diao)節(jie),使用時(shi)間也長(chang),價格(ge)較(jiao)低(di),可滿(man)足耳(er)聾(long)程度較(jiao)重的(de)(de)人的(de)(de)需要。然而這種助聽器盒(he)(he)放在衣袋(dai)里會(hui)(hui)產生摩擦(ca)聲,影響語言辨別,配戴時(shi)很顯眼(yan),所以有(you)時(shi)會(hui)(hui)覺得不方(fang)便(bian)。
2。耳背(bei)式助聽器(qi)外形(xing)(xing)為(wei)3~4厘(li)米長(chang)彎鉤(gou)形(xing)(xing),放在耳郭背(bei)后,通過(guo)一個(ge)羊角形(xing)(xing)耳鉤(gou)和塑料(liao)管把聲音送入耳道。它的(de)優點(dian)是(shi)無導線,體積小巧,較(jiao)隱蔽,干(gan)擾小,可裝上感應線圈增(zeng)加聽電(dian)話的(de)功能。不(bu)(bu)足之處(chu)是(shi)需專(zhuan)門配制一個(ge)耳模,初用時不(bu)(bu)太(tai)習慣以及調節不(bu)(bu)太(tai)方便等(deng)。
3。耳(er)(er)內式(shi)和(he)耳(er)(er)道(dao)式(shi)助(zhu)聽(ting)(ting)器屬于小型(xing)助(zhu)聽(ting)(ting)器,具有微小、隱蔽、無(wu)導線、無(wu)需另做耳(er)(er)模、聽(ting)(ting)聲效果好、可提高聽(ting)(ting)力(li)等優點;但調(diao)節不方便,價格昂貴,需按每人的(de)耳(er)(er)道(dao)和(he)耳(er)(er)甲腔來(lai)定制。由(you)于功率較(jiao)小,只適用于中度耳(er)(er)聾(long),對重度及極重度耳(er)(er)聾(long)者(zhe)不適宜。
選(xuan)配助(zhu)聽(ting)(ting)(ting)器(qi)(qi)時盡量去醫院,對聽(ting)(ting)(ting)力(li)做一次(ci)全面(mian)檢查,用電測聽(ting)(ting)(ting)等儀(yi)器(qi)(qi)準確地(di)評價出耳聾的程度,再選(xuan)助(zhu)聽(ting)(ting)(ting)器(qi)(qi),如(ru)果當地(di)沒有相應條(tiao)件的醫院,聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)程度與助(zhu)聽(ting)(ting)(ting)器(qi)(qi)功(gong)(gong)率(lv)的選(xuan)配可按口語試(shi)驗(yan)來估計。例如(ru),聽(ting)(ting)(ting)不(bu)到(dao)耳語聲(sheng)(sheng)的人(ren)(ren)聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)30~40分貝(bei)(bei)(bei),聽(ting)(ting)(ting)不(bu)到(dao)小(xiao)聲(sheng)(sheng)的人(ren)(ren)聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約(yue)40~50分貝(bei)(bei)(bei),此時宜選(xuan)購低功(gong)(gong)率(lv)及中功(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)器(qi)(qi);聽(ting)(ting)(ting)不(bu)到(dao)普通講話聲(sheng)(sheng)的人(ren)(ren)聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約(yue)50~60分貝(bei)(bei)(bei),聽(ting)(ting)(ting)不(bu)到(dao)高聲(sheng)(sheng)講話的人(ren)(ren)聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)60~70分貝(bei)(bei)(bei),可選(xuan)配中功(gong)(gong)率(lv)及大功(gong)(gong)率(lv)型(xing)助(zhu)聽(ting)(ting)(ting)器(qi)(qi);聽(ting)(ting)(ting)不(bu)到(dao)大聲(sheng)(sheng)喊(han)叫(jiao)聲(sheng)(sheng)的人(ren)(ren),聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)70~80分貝(bei)(bei)(bei),選(xuan)用中、大功(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)器(qi)(qi);全力(li)喊(han)叫(jiao)聲(sheng)(sheng)聽(ting)(ting)(ting)不(bu)到(dao)的人(ren)(ren)聽(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約(yue)約(yue)80~90分貝(bei)(bei)(bei)或更高,可選(xuan)配大功(gong)(gong)率(lv)及特大功(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)器(qi)(qi)