首頁
查看“Carolyn”的源代码
←
Carolyn
跳转至:
导航
、
搜索
因为以下原因,你没有权限编辑本页:
您所请求的操作仅限于该用户组的用户使用:
用户
您可以查看与复制此页面的源代码。
Behind the head, also referred to as BTE, hearing aids are far and away the most popular kind of hearing aid. These hearing aids are also what a lot of people photo when hearing aids are described. The technology which create a BTE hearing aid function are housed in a case which fits behind the ear and includes a pipe that connects it to an mold which fits in the ear canal. They are designed to support the entire spectrum of hearing losses, from the slight to the significant. They have numerous benefits that attract a wide variety of hearing impaired individuals, although they are more conspicuous then hearing aids that fit entirely in the ear canal. Furthermore, BTE hearing aids are available in several shapes, dimensions and colors. So some behind the ear models are much less conspicuous then the others. Since behind the ear hearing aids are larger then their completely in the canal, or CIC, alternatives, they could more easily house a greater rev and much stronger battery and for that reason might be particularly advantageous to people with a severe hearing loss. BTE hearing aids will also be rather flexible in that they can be found in the absolute most conventional analog style along with in the recently popularized electronically powered style of hearing aids. When budgetary constraints are an issue, behind the ear products positively win out over hearing aids which fit completely in the ear canal. Because of their larger size, other sets of individuals to whom BTE hearing aids do have more charm then CIC models are the elderly, arthritis sufferers and the others with fine motor get a grip on problems and related issues. Finally since CIC types necessitate the wearing of a heavier system in the canal then just the lightweight ear form mounted on BTE hearing aids, there is commonly less ear canal discomfort with the former. In the late 1800s the first commercially created hearing aids were branded and became available to people. The first behind the ear hearing aids came on the world over fifty years back. [http://www.youtube.com/watch?v=ohKqZi9lzPA audiology] Prior to this, hearing aids were basically amplifiers worn somewhere on the human body and these were heavy and expensive, due in part to rapid battery consumption. With the advent of small junction transistor in 1952, common BTE hearing aid use became more of a real possibility. Due to improvements in the technology of circuitry,1964 saw still another boom in use of BTE devices and the use of human anatomy used hearing aids dropped to less then twenty percent. By 1972 prototypes for hearing aids which may be developed to many different listening situations, were being developed. The following twenty years showed continued changes and advances in hearing aid technology. Size controls were added to most behind the head devices in the 1990s and digital hearing aids began appearing in the mid nineties. There has been extended new arrivals in the hearing aid world since that time such as for example remanufactured hearing aids, disposable hearing aids and non-prescription hearing aids. Who knows what the ongoing future of behind the ear hearing support technology holds, the number of choices are endless
返回至
Carolyn
。
导航菜单
个人工具
登录
命名空间
页面
讨论
不转换
不转换
简体
繁體
大陆简体
香港繁體
澳門繁體
大马简体
新加坡简体
台灣正體
视图
阅读
查看源代码
查看历史
更多
搜索
导航
首页
最近更改
随机页面
帮助
工具
链入页面
相关更改
特殊页面
页面信息