Blowing out the ears according to Politzer at home

Compressed air is an air mass that is contained in a container, and its pressure exceeds atmospheric pressure. It is used in industry in a variety of production operations. A typical compressed air system is a unit operating at pressures up to ten bars. In such cases, the air mass is compressed to ten times its original volume.

compressed air

What is the purpose of the procedure?

Blowing the auditory tube allows you to normalize the internal and external pressure exerted on the eardrum.
It is possible to achieve the desired result only if the patency of the Eustachian tube, which connects the ear cavity with the nasopharynx, is restored. Pressure equalization is possible by opening the tube roller, a valve located at the end of the ear canal. The valve opens during swallowing and yawning. It is at these moments that air masses are redirected into the tympanic cavity, as a result of which the external and internal pressure exerted on the eardrum is equalized.

The following pathological conditions contribute to the occurrence of such an imbalance:

  • otitis;
  • injuries to the middle or inner parts of the ear resulting from changes in atmospheric pressure;
  • allergic diseases that cause ear congestion;
  • sulfur plugs;
  • infectious diseases of the ENT organs that provoke the development of inflammatory processes;
  • impairment of hearing function that occurs when atmospheric pressure changes.

All these pathologies lead to narrowing of the Eustachian tube, causing disruption of ventilation and drainage functions and, as a result, the occurrence of negative pressure in the ear cavity.

The inner tissues of the ear constantly absorb oxygen, as a result of which the internal pressure decreases, causing the eardrum to retract into the middle ear cavity. Blockage of the ear canals leads to the accumulation of serous fluid. Blowing helps to increase the pressure and lumen of the auditory tube, as a result of which its ventilation and drainage function is restored.

Indications

The doctor directs the patient to blow out the auditory tubes according to Politzer based on objective indicators, when during the examination he discovers an inflammatory process that disrupts the patency of the tube, and also if the patient complains of ear congestion, headache, noise and pain in the ears, autophony.

Politzer blowing is indicated in the following cases:

  • if there is a decrease in hearing due to otitis, and also when it is necessary to remove exudate that has accumulated in the inner ear after otitis;
  • to restore patency of the Eustachian tube;
  • for diagnostic purposes, to check how passable the Eustachian tubes are and how they cope with ventilation and drainage functions;
  • when discomfort occurs after sudden changes in atmospheric pressure, for example, during air travel or when diving under water.

The essence of the blowing procedure is that under pressure air is introduced into the Eustachian tube and ear cavity through the nose . Listening to the sounds coming, the doctor begins to ask the patient about his feelings. After comparing the data, he concludes whether there is an obstruction.

How to pump air into a can

A can of compressed air is used to blow dust and dirt out of hard-to-reach places with a directed flow. It is used to clean various boards, keyboards, fans, etc. Such a can is a necessary thing, but its cost is clearly overpriced. In this regard, it is more cost-effective to make an adapter to pump compressed air into empty gas cylinders with a collet connection for mini burners.

How to pump air into a can

Materials:

  • gas burner with a collet connection without electric ignition;
  • empty gas cartridge;
  • chamber valve with a metal cap;
  • deodorant sprayer.

Making an adapter for pumping a cylinder

A gas cartridge for burners can withstand a pressure of 17-20 atmospheres, so it can be used for pumping air without any fear, after first making sure that there is no gas in it. Such a cylinder is equipped with a valve that allows gas or air to pass in both directions, but only while being pressed. The collet mount of the torch can compress it into the correct position, so the adapter for refueling must be made from it.

How to pump air into a can
The burner tube is sawn in half. The peculiarity of this homemade product is that the assembled adapter can be used for pumping air, and then, if necessary, reassembled into a fully functioning burner. To do this, you need to take the valve from the chamber and connect it to the tube from half of the burner with a collet mount. These parts are soldered. In order for the tin to hold securely, you must first clean the valve from any remaining stuck rubber.

Then take the valve cap and drill a hole through the top. Next, it is inserted with the side with the antennae into the tube of the upper half of the burner and also soldered.

How to pump air into a can
Now, if you need to use the sawn burner for its intended purpose, its halves are twisted. Naturally, when docking, the spool is removed from the valve.

How to pump air into a can
When it is necessary to pump air into an empty cylinder for purging, only half with a collet is installed on it. In this case, a spool valve is screwed into the valve. After this, a compressor or hand pump is connected to the adapter, and air is pumped in. Before this, you need to open the valve on the burner itself so that air can freely flow into the can.

How to pump air into a can
To be on the safe side, it is better not to pump the pressure to more than 10 atmospheres, that is, half of what the cylinder can withstand. If you use a hand pump or a small car compressor when uploading, you are unlikely to be able to get more than 7-8 and src=»https://rc74.ru/800/600/https/sdelaysam-svoimirukami.ru/uploads/posts/2020- 02/medium/1581220111_1-0-06-57-949.jpg" class=»aligncenter» width=»700″ height=»394″[/img] After filling with air, a deodorant sprayer with an inserted tube is installed on the cylinder. It is possible to use an ear stick as this. In this form, the cylinder can be used for cleaning. Since it is pumped with atmospheric air and not with special gas, it is only enough to clean one computer or keyboard. In the future, if necessary, the cylinder can be re-inflated as many times as necessary until its valve begins to leak air from wear.

Watch the video

Therapeutic effect

Blowing using the Politzer method is performed not only for diagnostic, but also for therapeutic purposes. For example, the procedure is successfully used in the treatment of exudative otitis media of the middle ear. During the manipulation, the Eustachian tube canal expands under air pressure, and serous fluid is removed from the tympanic cavity.

There is no need to be afraid of blowing, since before the procedure the mucous membranes of the nasopharynx are treated with an anesthetic solution. The patient's head is turned so that the exudate flows down through the auditory tube and out through the nose and oral cavity.

Children often do not like such manipulations. But an experienced doctor will always select the right body position and method of air blowing that will not cause anxiety in the child and will give the maximum effect of treatment.

Sometimes a few blows are enough to free the tympanic cavity from exudate and prevent further inflammation. The serous fluid gradually disappears, and the symptoms of inflammation disappear.

An experienced pediatric otolaryngologist will find a way to calm the child and perform the procedure efficiently.

With persistent obstruction of the Eustachian tube, blowing does not always give the desired result. Relief occurs only for a short time. But the procedure is beneficial in this case as well: the massaging effect during the manipulation normalizes the position of the eardrum, which has a positive effect on the condition of the hearing aid.

It is important to remember: you should not perform ear blowing yourself! At home, it is difficult to track all the nuances of the procedure. The result can be disastrous, including rupture of the eardrum and infection in the upper sections of the sound-conducting organs

What is otitis media

Otitis is an inflammatory condition of the middle ear. With this disease, inflammation appears in the ear cavity and pus accumulates. This disease can be encountered at any age, but most often it is noticed in children.

In children, repeated otitis is detected due to the anatomical specificity of the structure of the middle ear: the tube (auditory) in children is shorter than in adults, it is almost straight and has no bends. This structure of a child’s ear makes it easier for infection to enter the ear cavity.

During the first 3 years of life, about 80% of children suffer from otitis once.

Diagnosis of otitis media

The diagnosis of such a disease is usually carried out by an otolaryngologist. If the patient develops any suspicious symptoms, he should immediately contact a specialist and he will tell you how to blow out your ears at home. It should also be noted that recognizing otitis in children is complicated due to limited oral contact between the doctor and the child.

Is it possible to blow out ears with otitis media?

Adults and very young children suffer from such a disease as otitis media. In addition, the disease occurs more often in children due to the special structure of the hearing aid. The cause of the inflammatory process is an incompletely cured cold or viral disease.

Ear blowing is often included in the treatment of otitis media affecting the middle ear. With the help of the procedure, the symptoms of the disease go away faster, and your well-being improves literally after a couple of procedures. When performing purging, it is important to observe all technical aspects so as not to damage the inflamed organ of hearing.

Computer Cleaning Guide

After purchasing a new laptop or desktop PC, we always enjoy excellent speed for the first months, and sometimes even a whole year, but gradually the performance of the device decreases. Games start to stutter, and opening multiple browser tabs at once can completely confuse your computer.

No, this does not mean that it is time to change it! The fact is that dust gets inside the computer and accumulates on its components, which leads to an increase in their temperature. The thermal paste on your processor may become less effective, and fans and heatsinks may not work as well as before. In addition, ventilation inside the case may be impaired due to carelessly laid cables.

All this often leads to significant productivity losses. Just take a look at the tests we ran:

1: Cinebench test result before cleaning
2: Cinebench test result after cleaning
1: Temperatures and frequencies before cleaning
2: Temperatures and frequencies after cleaning

However, you need to clean your computer even if you are upgrading it, just so as not to in any way limit the performance of the components used.

For those who have never done it before, cleaning a computer or laptop may seem like a daunting task. In this guide, we will help you do it as easily as possible and without the slightest risk to valuable components. A clean computer will work more stable, faster and at lower temperatures – and it will also look more beautiful!

What do you need to clean your computer?

You will need the following things:

a) A powerful blower (a vacuum cleaner that can blow air will also work) or a can of compressed air. The goal is to blow away dust from the small fins of the radiators using a strong air flow.

b) Dust mask. If your computer has not been cleaned for a long time, then be prepared to find yourself in a real dust storm as soon as you start working.

c) Soft microfiber cloth. Sometimes even compressed air is not enough, and you have to wipe off the dust the old, proven way - by hand. So prepare a rag - you will need it.

d) A free space that will soon become VERY dusty.

e) Cable ties. These little things are great for cable management. They will help make your computer neat, so stock up on a dozen of these zip ties.

f) Patience. Organizing cables neatly is not an easy process. Be patient and expect your fingers to be scratched and/or slightly bruised when it's finished.

g) Thermal paste. After removing the processor cooler, you will need to reapply thermal paste to the processor.

h) 99% isopropyl alcohol solution (75% isopropyl alcohol solution can also be used).

So let's get down to business!

Cleaning fans, filters and CPU cooler radiator

Dust is an inevitable part of our life. It tends to accumulate over time, sometimes reaching truly catastrophic proportions inside some computers. Dust clogs radiators, filters, and fans, ultimately affecting component temperatures.

You should also think about ventilation. If it's not good enough, the computer's temperature will be higher than it could be, which means some power is wasted and some components overheat and start to throttle.

Cleaning process

a) Remove the screws from the case fans and CPU cooler (see your cooler manual for detailed instructions).

b) This step is intended for those who have a water cooling system installed. Its heatsink is mounted away from the processor, usually at the front or top of the computer case. Carefully remove the fan from it, and then remove the radiator itself, and then disconnect the water block installed on the processor.

c) Remove the processor from the socket and set it aside (preferably away from any dust).

d) Point a blower or can of compressed air at the heatsink and CPU cooler fan. If you see dust falling on the other side, then you are doing everything right.

e) Repeat the same procedure with case fans.

f) All loose dust should then be blown away. However, in most cases, there will be dirt stuck to the fan blades.

g) Using a cloth, wipe each blade as far as you can reach. This may be problematic if you have large hands and fingers. In this case, try pushing the tissue into the gaps between the blades using an old toothbrush or similar object.

h) After cleaning, the fans and radiator of the processor cooler will look something like in the photo.

Cable management

Cables scattered haphazardly can interfere with the correct passage of air flow. Also, if the case has a transparent side panel, then you probably don't want to look at such a mess inside your computer.

After cleaning the CPU cooler and fans, you need to deal with the power cables. If they are laid neatly, then simply direct a stream of air at them - it should blow out most of the dust that has accumulated between the wires. Then proceed to cleaning the following components.

If your cable routing needs some work, read the next section!

Cable management

a) In most cases, the mounting plate that holds the motherboard has holes for the power cables, one of which should be near the board's 24-pin power connector.

b) If the power cables are not connected to the motherboard through the holes in the mounting plate, then they need to be repositioned.

c) Remove the far side panel from the computer case (usually both side panels can be removed from the case).

d) Disconnect the cables from the power supply to the motherboard and other components such as fans and drives.

e) Route the cables behind the mounting plate and out through the openings located next to the corresponding connectors. Make sure that the cables do not overlap each other.

f) Connect all cables.

g) Using zip ties, tie the cable bundles and press them against the chassis mounting plate.

h) You can go a little further and carefully pull together those cables that exit from the back of the computer, as shown in the photo above.

General computer cleaning

If the cables are routed correctly, there will be enough space in the computer case to complete the cleaning.

Cleaning process

a) Blow air through the entire housing from top to bottom.

b) After finishing one side of the case, remove the other side panel and work on the other side.

c) If you encounter old dirt, wipe it off with a soft cloth.

d) Avoid using any liquid cleaning products.

Replacing thermal paste

After cleaning the processor cooler and other internal components of the system unit, you need to reapply thermal paste to the processor chip.

Thermal paste application procedure

a) Lightly dampen a soft cloth with 99% isopropyl alcohol. Do not use water - it will not be effective and will risk damaging the motherboard and other components.

b) Plug the processor back into the socket on the motherboard. This will make it easier to apply thermal paste.

c) Quickly wet the surface of the processor with the damp part of the cloth and carefully wipe off the dried thermal paste. Repeat the process, wetting the cloth as needed. If you use a 99% isopropyl alcohol solution, you will not have to use force to erase.

d) After cleaning the surface of the processor, repeat the same with the contact pad of the processor cooler (on some air coolers, this is the copper base of the heatsink).

e) After making sure that the surface of the processor and the contact pad of the cooler are cleaned to a shine, pick up a tube of thermal paste.

f) Apply a bead of thermal paste to the center of the processor. There should be exactly as much as needed so that it is evenly distributed over the surface of the processor after installing the cooler.

g) Install the cooler on the processor as it was originally located.

h) Done. The processor can now work again.

Conclusion

Now that all the dirt and dust has been removed, your computer should be cooler and faster. Its performance will improve, and to make it even more stable, update all software and drivers.

By the way, if you are upgrading to the new 3rd generation AMD Ryzen processor, you can find the latest BIOS for all MSI motherboards here.

How is diagnostics carried out?

Before blowing the auditory tubes according to Politzer, the doctor at our medical center prepares the patient. The nasal cavity is cleared of mucus, then irrigated with solutions to constrict blood vessels and anesthetics. This approach helps reduce discomfort and prevent the spread of infection.

The doctor inserts the olive of the balloon into one nostril and presses it with the wing of the nose. The second wing is pressed against the nasal septum. An otoscope is used for diagnosis. This is a medical acoustic device consisting of a tube and two olive-shaped tips. One end of the otoscope is inserted into the patient's ear, the other into the doctor's ear. The procedure does not cause any discomfort.

Preparation for the procedure

Invasive intervention is carried out by pumping air into the auditory tube through the nasal passage. To facilitate the passage of air masses, you need to do the following before the procedure:

  • clear the nasal passages of mucous secretions;
  • instill vasoconstrictor drugs to reduce swelling of the mucous membrane;
  • disinfect the nasopharynx with saline solution to prevent pathogens from entering the middle ear cavity;
  • Sterilize the tip inserted into the nostril with an alcohol solution.

Important! Blowing should not be performed if there are mental disorders or for persons suffering from epilepsy.

It should be noted that blowing the auditory tubes according to Politzer in preschool children requires additional preparation. To avoid injury to the soft tissues of the nasopharynx during invasive intervention, it is advisable to give the child sedatives based on herbal components.

Application of compressed air

Quite often, manufacturers use this type of energy to quickly and effectively clean equipment from dirt and dust. In addition, compressed air is widely used for blowing pipes in boiler rooms. In the woodworking industry it is used to clean rooms, equipment and even clothing from wood dust. Most countries have already established standards for the use of this type of energy, for example, in Europe it is CUVA, and in the USA it is OSHA. In addition to its use in production operations, tools that operate directly on air are widely used - these are screwdrivers, pneumatic drills, impact wrenches, jackhammers (for equipment installation and construction), and spray guns (for major repairs). In addition, compressed air in cans is now widely used in air guns.

compressed temperature

Carrying out the procedure

Physiotherapeutic manipulations are carried out using special equipment consisting of a rubber bulb, a thin tube and an olive. The tip, which is inserted into the patient's nostril, is pressed tightly against the wing of the nose. In this case, the second nostril is simply pressed against the nasal septum to create airtight conditions.

During a physical therapy session, the specialist asks the patient to pronounce the word “steamboat” clearly. At the moment of pronouncing the last syllable, when the soft palate rises slightly, the otolaryngologist presses the bulb and a stream of air rushes into the ear canal. If the procedure is successful, the pressure in the tympanic cavity is normalized, and the internal diameter in the auditory canal increases. Thanks to this, the outflow of serous effusion from the middle ear improves, thereby eliminating congestion, a feeling of fullness and heaviness in the head.

Carrying out the procedure
In 85% of cases, hearing improvement occurs after 3-4 invasive procedures. In some cases, the effect after blowing is unstable and disappears within 3 hours. To restore normal function of the Eustachian tube, the specialist recommends blowing every other day for 2 weeks.

Evaluation of results

When carrying out a therapeutic and diagnostic procedure, it is possible to determine the degree of patency of the ear canals and the presence of serous exudate in the tympanic cavity. During manipulations, the patient’s ear and the otolaryngologist are connected with a stethoscope, through which the specialist auditorily evaluates the sound effects that occur during blowing. How are results assessed?

  • when air passes unhindered through the ear canal, a characteristic hissing sound is heard;
  • if the air flow encounters an obstacle along its path, this is signaled by discrete crackling sounds;
  • in the presence of serous effusion in the ear cavity, the patient and the doctor will hear a sound reminiscent of bursting bubbles;
  • the absence of any sounds indicates obstruction of the Eustachian tube.

Depending on the results of the subjective analysis, the specialist may prescribe a medicinal course of treatment using drugs with antiphlogistic, decongestant, mucolytic and analgesic effects.

Cleaning your computer from dust at home, remedies and tips

In this article, you will learn how to clean your computer or any other electronic device using a can of compressed air. We will tell you the pros and cons of this method.

Using a can of compressed air to clean your computer

Electronics, which are an important part of our daily lives, need maintenance and cleaning so that they can last longer. Whenever you go to a place that sells computers, you will see cans of compressed air used to clean electronics. These cans contain gas or air that is compressed under pressure. They recommend using this compressed air to clean electronics. Before you buy one, you should know if it is the best option.

Compressed air for electronics is one of the easiest and fastest cleaning methods . If you want your computer to last longer, keep it clean. Depending on the environment in which your computer and other electronics are placed, they will collect different types of contaminants in their components. Although using a can of compressed air to clean computers is the best solution for any kind of dirt, it also has its advantages and disadvantages .

Need to clean your computer

Computers and other electronics quickly attract dust and dirt particles. This accumulation of dirt particles on any component increases the temperature and leads to failure of those components, especially the fan . For this reason, it is important to keep your computer clean, inside and out. You can use these small cans of compressed air, although they also have a few problems. However, first let's look at the benefits of using this can of compressed air for cleaning.

Pros of using compressed air for electronics

Using compressed air on electronics can protect the components of your devices. They prevent them from overheating and short circuiting . These are not just components, but your computer gets an extended life.

Using this compressed air for electronics ensures the safety of the components as most components in an electronic item are quite expensive and even a small mistake can be costly. When you clean your computer, be very careful. Using something like cloth can cause scratches on delicate parts like the motherboard . Even a small scratch can cause a malfunction. While cloth or cotton cannot get into the tiny spaces and holes inside the computer, air can be released using a nozzle. Moreover, this method helps you clean your electronics quickly and hence saves time. You can use it to clean even the hidden parts of the sockets, which are very important for the functioning of various components such as sound cards, graphics cards and more.

Cons of Using Compressed Air for Electronics

Although using electronics compressed air cleans your computer and electronics quickly and easily, it does have a few disadvantages. Using this gas can leave enough moisture inside the computer that it can corrode delicate components. This may cause water to accumulate on electronic circuit boards. Additionally, using this high pressure compressed gas for cleaning may damage your machines circuits .

Additionally, using compressed air for electronics also has some environmental concerns . Most of these cans use greenhouse gas , which is a greenhouse gas, as a propellant called HFC. They indirectly contribute to the depletion of the stratospheric ozone layer and thus cause global warming.

Tips for cleaning your computer using compressed air

Before you begin cleaning the inside of your computer, it is important to turn it off, unplug it to remove it from its power source, and carefully open the case. Also, before using compressed air, which is a refrigerant, on computer components, make sure the internal temperature has cooled down . Also, to avoid scratching your computer, place a towel or paper . Once you open it, do not touch any of its components and keep your fingers away from cards and cords . Keep the compressed air nozzle at least 10 cm away from the computer . when blowing through fans inside your computer , as excessive pressure can cause excessive rotation and can damage bearings or break blades. Instead of long presses, use short presses. To avoid damaging the fan, you can immobilize it using your fingertip.

How long will the results last?

After the first procedure, and it is better to entrust it to a professional, the otolaryngologist will be able to assess the patency of the ENT system.

Its condition can be assessed by characteristic signs:

  • air masses must pass without obstacles, as evidenced by the slight hissing heard during the procedure;
  • if there is an obstacle, a crackling sound is heard;
  • when liquid accumulates, the sound of bursting bubbles is heard;
  • if no sounds are heard, then this indicates complete passability.

Only after assessing the patient’s condition can we talk about the number of procedures.

There can be 1 of them or a course of up to 10. In the most difficult cases, the catheterization method may be recommended. The effect of the procedure lasts for a long time. Perhaps the patient will never need a repeat in his life. And there are also those patients who regularly undergo the procedure after an illness.

Contraindications

Not everyone can perform Politzer ear blowing. There are a number of contraindications that the doctor takes into account when prescribing the procedure.

Contraindications include:

  • acute course of diseases caused by bacterial or viral infections , since there is a high probability that the condition will worsen and the infection will spread throughout the body;
  • acute inflammatory diseases of the upper respiratory tract and nasopharynx;
  • mental disorders and neurological diseases, because an inadequate patient is capable of harming himself.

Complications

If Politzer blowing is performed incorrectly or is performed on a person who has contraindications to such a procedure, then discomfort and complications may occur.

The most common complications are:

  • Damage to the middle ear cavity and eardrum resulting from too aggressive blowing. Such injuries can also occur in cases where the procedure was performed in the presence of acute inflammation in the ear.
  • Purulent otitis. Improper ventilation is dangerous not only for the hearing organs. You should know that the bones of the skull are porous; there are a large number of blood vessels nearby, through which an infection can enter the brain and cause the development of such a dangerous disease as meningitis. Sepsis, a general blood infection, may develop.
  • Nosebleeds caused by intense pressure.
  • If a person suffers from epilepsy or Parkinson's disease, the procedure may provoke the appearance of convulsions or the development of a seizure.
  • Emphysema of the peripharyngeal and subcutaneous tissue may develop. This means that air has entered the tissue, causing severe swelling of the face until the eyes completely close.

Blowing for otitis media

Otitis is an inflammation that affects different parts of the hearing organ and can occur in acute and chronic forms. Depending on the nature, the otolaryngologist prescribes different adequate treatment regimens.

How to blow out ears with otitis media, what are the features of the procedure for this disease? Many experts consider this disease to be quite serious. Ignoring the symptoms can lead to unpleasant consequences and complications, but, fortunately, the disease is well treated if you consult a doctor in time.

Typically, therapy for otitis media includes the use of medications, drops for the ears and nose, solutions and ointments. In advanced forms of the disease, they resort to surgical intervention: they restore the organs of the middle ear, eliminate adhesions, pierce and shunt the eardrum. Often, in combination with therapy methods, doctors recommend blowing out the ears for otitis media.

It is known that the inflammatory process in the ear provokes the following symptoms:

  • Shooting pain.
  • Temperature increase.
  • Purulent discharge (after 1–3 days).
  • Hearing impairment.

In case of otitis media, it is recommended to bleed the ear precisely if there are problems with hearing, when sounds become quiet and muffled for a person. In this case, the procedure will be effective, although many call it not very pleasant.

Blowing out the ears is a serious manipulation; it must be treated with responsibility and be sure to consult with an ENT doctor. Failure to follow the specialist’s recommendations and violation of the rules of implementation can cause a number of complications: hemorrhage, injury to the eardrum, convulsive attack, accumulation of oxygen in the subcutaneous tissue.

If you have rhinitis or inflammation of the throat, you should not blow out your ears, since the air flow can introduce germs and provoke a purulent process.

Benefits of compressed air

Now let's look at the advantages of using this type of energy on production lines.

  1. Pneumatic tools are characterized by low weight and fairly high power.
  2. Such installations can be used for a long time without overheating.
  3. Low system maintenance costs.
  4. Pneumatic compressors can be used as a source of energy in fire-hazardous industries with explosive and flammable substances (underground tunnels, mines).
  5. These tools are suitable for workshops with highly aggressive environments. However, it must be taken into account that the operating temperature of compressed air exceeds the ambient temperature by ten degrees Celsius. In addition, with an increase in this parameter, the humidity of the air stream will increase in direct proportion.
  6. The use of pneumatic systems can significantly simplify the automation of production processes. For example, such as drying, painting and others.
  7. Equipment downtime is reduced.

    compressed air calculation

Blowing ears in hospital

This method, although very unpleasant, is very effective.
Most often, otolaryngologists use Politzer technology to blow out the ear canals.

For this, a special device is used, which is a rubber cylinder with a volume of up to 0.5 liters with a tube at the end of which there is an olive.

The procedure itself looks like this:

  1. The olive is inserted into each nostril in turn, and the nose is closed with the hand.
  2. Take a large sip of liquid.
  3. The phrases “ku-ku, gik-guk” and the like are pronounced.

When performing such actions, the soft palate is raised and the balloon is smoothly compressed.

The control of the event can be carried out by the patient himself, based on his feelings, or with the help of a special device of an ENT doctor - an otoscope.

The manipulation was performed successfully if the doctor and patient felt a slight blowing noise. It is after this that the feeling of congestion goes away. This method can be used to blow out the ears after otitis media as a preventive measure.

To carry out this technique, good knowledge of the specific structure of the nasopharynx and ear is required, including relevant experience. Therefore, you should entrust the implementation of an already extremely unpleasant method of treatment only to an experienced doctor, in order to avoid the occurrence of negative consequences.

Using a can of compressed air to clean your computer

Electronics, which are an important part of our daily lives, need maintenance and cleaning so that they can last longer. Whenever you go to a place that sells computers, you will see cans of compressed air used to clean electronics. These cans contain gas or air that is compressed under pressure. They recommend using this compressed air to clean electronics. Before you buy one, you should know if it is the best option.

Compressed air for electronics is one of the easiest and fastest cleaning methods . If you want your computer to last longer, keep it clean. Depending on the environment in which your computer and other electronics are placed, they will collect different types of contaminants in their components. Although using a can of compressed air to clean computers is the best solution for any kind of dirt, it also has its advantages and disadvantages .

Features of blowing ears at home

Manipulations should be carried out until there is a characteristic click in the ears. The ears should be blown carefully, without creating too much pressure. Otherwise, there is a high probability of a ruptured eardrum, causing hearing loss. This complication most often occurs when using the Valsalva technique.

Self-medication can lead to the development of the following consequences:

  • damage to the eardrum,
  • inflammatory processes in the middle ear,
  • severe nosebleeds,
  • seizures (occur in patients suffering from epilepsy and Parkinson's disease),
  • emphysema of the subcutaneous and peripharyngeal tissue, causing swelling of the face.

If, after undergoing the Politzer procedure or another method, a person experiences negative symptoms, it is necessary to immediately consult a doctor. These manifestations include:

  • nosebleed,
  • noise in ears,
  • dizziness,
  • discharge from the ears,
  • convulsions.

Muscle training

Most people do self-deflation incorrectly due to poor control of the nasopharyngeal muscles. To take control of the muscles of the palate, nasopharynx and epiglottis, you should perform a few simple exercises. Some of the most effective ones include:

  • epiglottis control: take a small amount of water into your mouth and, throwing your head back, gargle, trying not to swallow the water;
  • stopping the air while exhaling: with your mouth wide open, exhale shallowly so that the air does not escape from the trachea, i.e. try to exhale into a “closed throat”;
  • guttural sounds: make an exit into the “closed throat”, then release a small amount of air, opening the epiglottis (a hissing sound will indicate the correctness of the exercise).

It is advisable to do the above exercises 3-4 times a day until the patient feels complete control over the muscles of the soft palate and epiglottis. The ability to control the muscles of the nasopharynx increases the efficiency of procedures for blowing out the auditory tubes by at least 30-40%.

Homemade purge cylinder

Often you often have to deal with boards, mechanisms and other components contaminated with dust. A homemade cylinder with compressed air will help you cope with this to blow anything out without any problems

For manufacturing we need the following components:

1) An empty tin can, the larger the volume the better. Precisely tin, because we will have to deal with soldering. I took a can of aerosol paint.

2) Nipple from the camera.

3) Empty ballpoint pen.

We start with the simplest thing - drill out the nozzle and glue the rod. You need to make sure that the hole reaches the bend in the atomizer, otherwise there will not be much air pressure through the standard holes.

Next, you need to drill a hole in the side of the can and drain the remaining paint through it. Then pour a little solvent into the hole and rinse the container. Only after this do we begin soldering, not forgetting to remove the spool from the nipple.

We put everything together and get a purge can, assembled with our own hands.

Now all you have to do is pump it up with air and get to work!
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About SterAK

How to blow out your ears at home?

It is highly undesirable to use the Politzer method of ear blowing at home, because there is a high probability of injury to the auditory organs. But in this case, you can use other methods of self-blowing, more gentle and simpler. Let's look at them in more detail.

Valsalva method

How to do this procedure? To do this, you need to take a deep breath, cover your nostrils with your hand and try to exhale through your nose, pushing the air forcefully. Since the nose is covered, the air flow enters the ear canal, blowing it through. You should not exhale sharply or too forcefully, so as not to injure your hearing organs. You can do several such self-blows to thoroughly blow out the ear canal.

Toynbee method

This procedure is carried out as follows: close the nostrils with your fingers, take water into your mouth and swallow it. This must be done until the feeling of congestion disappears.

Otovent method

This is a simplified method of Politzer blowing. To carry it out, Otovent equipment is used, which is a rubber hollow ball with a nozzle. This nozzle is inserted into one nostril and the other is clamped with your finger. You need to try to inflate the rubber ball with your nose. Both nostrils are used alternately. In some cases, you only need to take a few nasal exhalations to relieve ear congestion.

Thus, blowing the auditory tube according to Politzer causes unpleasant sensations at first, but after getting used to this procedure is tolerated without problems. Self-blowing is prohibited at home. To carry out the procedure correctly, a certain skill is required, as well as knowledge of the anatomy of the nasopharynx and auditory organs.

Edmonds maneuver

Blowing the auditory tubes according to Edmons involves exhaling air with the nasal passages closed with parallel movement of the lower jaw.

This technique combines two effective methods at once: when the jaw moves, the soft and cartilaginous tissues of the ear begin to move, and the tubal roller moves, opening the lumen from the Eustachian tube into the tympanic cavity. The forced air, in turn, blows through the ENT system.

Lowry technique

This technique works due to the movement of the muscles of the pharynx associated with the valve that closes the entrance to the tympanic cavity, and directly with the soft and cartilaginous tissues of the ear.

  1. Purse your lips tightly.
  2. Exhale.
  3. Pinch your nasal passages.
  4. Make a few swallowing movements.

Compressed air in cylinders - how can you make air compressed and put it in a cylinder?

This answer is written and available at

This answer is written and available on Yandex Q

Making a can of compressed air at home

DIY compressed air canister

We are usually unenthusiastic when asked to dust off a computer or other household appliance that is full of hard-to-reach places. A can of compressed air does a good job with this task, but it is not sold on every corner. So it's better to make it yourself.

We prepare the necessary materials and tools:

– tin or aluminum aerosol can; – nipple from the bicycle inner tube; – adapter for a car pump; – an empty tube of ballpoint pen paste; – epoxy glue (poxypol is best); – thin wire; – drill, pliers, file, pump.

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We design

We take out the nipple from the old bicycle inner tube and grind off the edges (installation grooves) with a file - carefully so that the screw-in thread remains intact. We need the nipple to be perfectly round.

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We take an aerosol can (from shaving foam, hairspray, deodorants, etc.) and drill a hole in the center of its bottom along the diameter of the adapter. You can see the adapter in the lower right photo (golden cylinder to the right of the cylinder).

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We bend a thin wire in the form of a hook and use it to pull out the plastic tube located inside the can - we don’t need it.

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The adapter will fit tightly into the hole prepared for it. Taking advantage of this, using pliers, carefully screw the adapter into the hole, creating a thread. The adapter should easily screw into and out of the hole. For now, unscrew it and set it aside.

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Now we prepare the glue. The components of poxypol - glue and activator - are contained in separate tubes. Squeeze them onto a plate in a 1:1 ratio and mix them together with a stick (the plate and stick are included in the kit). Lubricate the nipple with glue and insert it into the adapter.

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Having coated the hole at the bottom of the cylinder with glue, screw the adapter with the nipple into it.

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Screw in until it stops. Now the glue should dry for several hours (about a day).

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When the glue dries, drill a hole in the spray can for the paste tube. The tube must be clean: wash it with acetone or some solvent. To ensure that it fits tightly into the hole and holds well, lubricate the end of the tube with glue.

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Again we wait until the glue dries, and here it is, a can of compressed air, ready:

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Using the can as intended

We inflate the balloon with a bicycle pump. You can manually pump 4-5 atmospheres. A car foot pump can pump up to 10 atm. An electric compressor will pump up to 20 atm. The aerosol can is designed for approximately 40 atm.

We point our can of compressed air at the dusty inside of the household appliance assigned to us and press the button. As practice has shown, the computer is well cleaned of dust.

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Recommendations

We advise you not to be afraid of blowing. The first time a sudden passage of air through the nasopharynx and ear canals can cause unusual sensations, even unpleasant ones. But then, after getting used to it, the procedure is tolerated without any problems. In addition, the mucous membranes are treated with an anesthetic solution, so the procedure does not cause pain. Children even like this procedure. Unless, of course, the child is already grown up and not just a toddler.

It is not recommended to carry out the procedure on your own, at home. To carry it out correctly, you need a certain skill and knowledge of the structure of the auditory organs and nasopharynx.

Other nuances that are most often unknown to the average person are also important. The result of inept attempts at blowing can even be a rupture of the eardrum if you do not calculate the force of pressing the bulb. It is also possible that infection may occur in the ear canals.

We looked at the features of ear blowing according to Politzer. As you can see, the procedure has undoubted benefits, and its analogues can also be done at home. But before you decide to blow, be sure to see a doctor to make sure that there are no contraindications to the procedure, and to determine the exact cause of hearing loss.

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