|
1550 |
|
Theory of bone
conduction through the
teeth
described by Girolamo
Cardano. |
|
1588 |
|
Some of the first
hearing aids are
described by
Giovanni Battista Porta
in Natural Magick. The
hearing aids were made
of wood and shaped like
the ears of animals
known to have acute
hearing. |
|
1724 |
|
Eustachian tube
catheterization is
discovered by a
Versailles postmaster
seeking to cure his own
deafness. |
|
1878 |
|
Emil Berthold first
describes myringoplasty,
the
surgical repair of a
perforated tympanic
membrane. However, it
isn’t until 1944 that
the procedure gains
considerable
attention. |
|
1898 |
|
First commercial
carbon-type hearing aid
produced in
the U.S. by the
Dictograph Company. |
|
1912 |
|
F.H. Quix introduces the
translabyrinthine
labyrinthectomy during
his translabyrinthine
approach to the internal
auditory meatus. William
House reintroduces this
method in the early
1960s to treat Ménière´s
disease. |
|
1938 |
|
Julius Lempert publishes
the first successful
results
for his fenestration
operation, used to treat
otosclerosis. |
|
1952 |
|
First transistor hearing
aids developed. These
hearing
aids were hybrids that
featured both vacuum
tubes and a transistor. |
|
1952 |
|
Samuel Rosen rediscovers
stapes mobilization,
used in
the treatment of
otosclerosis. Stapes
mobilization was first
used in the late
nineteenth century. |
|
1953 |
|
Zeiss Optical Company
introduces the first
operating
microscope specifically
designed for otologic
surgery. |
|
1955 |
|
John Shea reintroduces
stapedectomy to treat
otosclerosis. |
|
1961 |
|
Otologist William House
and neurosurgeon John
Doyle, Jr. perform the
first middle cranial
fossa approach to the
internal auditory meatus
using an operating
microscope. This team
approach and
microsurgical technique
rapidly become a
standard in acoustic
neuroma surgery. |
|
1984 |
|
FDA
approves the first
cochlear implant for
marketing. |