When we think of a doctor, one of the first things that comes to our mind is stethoscopes. But they are not just an ordinary tool hanging around the doctor’s neck. So how does this small but important device work?
From our heartbeats to our bowel sounds, many help us listen to vital information The history of assistive stethoscopes goes back a long way.
This is one of the indispensable elements of our lives. small device Let’s open it up a bit.
The invention of the stethoscope dates back to the early 19th century.
French Dr. René LaennecIn 1816, he decided to develop a new method because of the difficulties he experienced while listening to his patients’ chests. At that time, doctors were listening to their patients by placing their ears on their chests, which was both disturbing and painful. hygiene It was inconvenient for him.
Laennec, one day rolling papers He placed it on his patient’s chest and put his ear to the other end. Thus, he realized that the sound was transmitted more clearly and stronger through paper. This invention laid the foundation for the modern stethoscope.
After this invention of Laennec, the stethoscope was of course developed with many studies, but it was the first of this device that has been used for centuries. He was the inventor.
The working principle of the stethoscope is actually quite simple.
The stethoscope basically consists of two main parts. Diaphragm and the chest piece containing the bell and the pipes.
When the diaphragm is placed on the patient, thanks to its large surface, the body system vibrates the diaphragm and creates acoustic pressure waves that rise up the tube and towards the listener’s ears. with diaphragm heart and lung sounds It is possible to hear it in detail.
The bell, on the other hand, transmits the vibrations of the skin directly through acoustic pressure waves. Especially blood flow Low-pitched sounds like these can be heard thanks to the bell.
As we mentioned, the pipe transmits sound waves to the ears. in headphones small chambers It ensures that the sound reaches the doctor’s ears without being lost.
Nowadays, stethoscopes have become more advanced with the advancement of technology.
stethoscope electronics, It provides a clearer sensation by digitally amplifying sounds. Some models even allow recording and analyzing sounds. This actually allows doctors to obtain more data when making a diagnosis.
They are symbols of healthcare workers.
Stethoscope, It is not only a medical tool but also a symbol that strengthens the doctor-patient relationship. According to a study conducted in 2012, healthcare workers were compared with other medical equipment and found that the stethoscope had a negative impact on healthcare workers. positive contribution to reliability It seems to provide.
As a result, stethoscopes may seem simple However, it is an invention that has revolutionized the medical world. The next time your doctor pulls out his stethoscope, you’ll be more aware of the story behind this small but powerful tool.
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