How long does Blast Deafness need to treat commonly?

summary

During the Spring Festival, there are still many places where firecrackers can be set off. In this way, friends often ask such questions: "what can I do if I am deaf? Can I be cured?". Deafness, also known as hearing loss, hearing impairment, hard of hearing, is a common ear disease. Different types of deafness may occur from the newborn to the young and the elderly. At present, the phenomenon of aging is becoming more and more prominent, and the population of presbycusis is becoming larger and larger. However, the problem behind deafness is very complex, which can not be explained in a single sentence. Now let's get to know how long does Blast Deafness usually need to be treated? It's a matter of time.

How long does Blast Deafness need to treat commonly?

First, let's understand how the human ear hears sound. The human ear is divided into three parts: outer ear, middle ear and inner ear. Sound is transmitted to the surrounding in the form of sound waves in the air, collected by the auricle (the part of the external ear set up on both sides of the head) and moved forward to the tympanic membrane (eardrum) through the external auditory canal, which is the function of the external ear to collect and transmit sound.

Second, the sound wave continues to vibrate the tympanic membrane of the middle ear, causing the tympanic membrane and the three ossicles connected with it to vibrate. In this process, the pressurization of the tympanic membrane and the leverage of the ossicles will also amplify the sound wave vibration energy, which is the sound transmission and pressurization function of the middle ear.

Third: the structure at the end of the ossicular chain is called stapes floor, which is like a piston connected with the oval window of the inner ear. The vibration from the outer ear is transmitted to the cochlea of the inner ear through the piston movement of stapes floor, which vibrates the lymph in the cochlea, and then pushes the basilar membrane of the cochlea to produce traveling wave vibration. There are about 3500 inner hair cells, 12000 outer hair cells and many Sertoli cells in the basilar membrane of the cochlea. The mechanical vibration energy of sound waves is transformed into bioelectrical energy through the energy exchange of hair cells in the spirochete. This process is the inner ear's perception of sound, also known as the sound perception process.

matters needing attention

1. Simple protection: in the case of prediction, the favorable terrain should be used to avoid the overpressure of blast wave; Prone or back to the explosive heart; Open mouth and chew and swallow; Wear a cap or headband with ear protection; Cover ears with hands or arms, plug ears with oil cotton, etc. 2. Fortification is very effective to prevent Blast Deafness when nuclear weapons, shells and bombs explode. 3. Equipment protection, such as earplugs, earmuffs, sound proof helmets, etc.