Tag: history

The History of Hearing Aids – An Introduction Throughout the history of hearing aids, there has always been an significant factor, which is that the person with the hearing difficulty must be ready to cooperate with the doctors in order to find the greatest solution. In the distant past, many people did not want to be bothered carrying the large devices around with them. Fortunately for these people, it is now much easier to enjoy a life with full hearing. Now, let’s take a look at the history of these fantastic, life-enhancing devices.

Time Line

Before 1890s. Acoustic devices made of wood, metal or other such substances. 1890s – 1920s. Somewhat portable devices that missed functionality. 1920s – 1950s. Somewhat portable devices that had developed due to vacuum tubes and transistor, making later models extremely functional and discrete. 1960s – 1980s. Further developments allow hearing aids to be fitted inside the ear. 1980s – 1990s. Computer technology introduces programmable hearing aids to the world. Excellent improvement. 1990s – 2000s. Models that fit completely inside the ear canal become common. 2000s – present. Behind the ear models have taken the vanguard in design.

Early Hearing Aids

Hearing aids from hundreds of …

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The History Of Plastic Surgery The popularity of plastic surgery procedures is a trend that continues to grow, as men and women alike attempt to improve their physical appearance and eliminate what they view as cosmetic flaws.

So where did plastic surgery begin? In this brief article, I?ll explain exactly where cosmetic surgery got it?s start and how it has evolved over the years.

Plastic surgery actually dates back to the 700s BCE. In India, Doctors began to use skin grafts for reconstructive work as early as the 8th century BC. A well-known Physician named Sushruta Samhita documented detailed descriptions of rhinoplasty and otoplasty.

The Romans were also involved in the beginning days of cosmetic surgery. There began performing surgeries to repair damaged ears around the 1st century BC. Because of the dangers associated with surgeries of any form, especially those that involved the head or facial area, it wasn?t until the 19th and 20th centuries that this became more commonplace.

Naturally, the early cases of cosmetic surgery were quite painful due to a lack of anesthesia. Practitioners were able to avoid infection however once disinfectants and sterilization techniques were introduced. The invention of antibiotics was also a dramatic step …

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