Effect of ultrasound on the human body and health. Ultrasonic diagnosis apparatus physiotherapy, cosmetology

Today, ultrasound is widely used in industry and the medical field. Its influence on the human body is characterized by changes depending on the applied frequency.

What is an ultrasound?

Ultrasound - a high-frequency mechanical wave, inaccessible to the human ear can perceive vibrations in the range of 16 to 20 KHz.

Its properties are unique:

• able to spread in the gaseous, liquid and solid medium;
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• It is a natural and artificial;
• thanks to him, animals, birds and insects can orient themselves in space at any time of the day;
• at the expense of his dolphins and whales can send signals over long distances;
• It is used in various industrial and scientific fields.

The effect of ultrasonic waves on the human body

The effect of ultrasound on the human body at higher frequencies gives the nervous system:

• fatigue;
• headache;
• state sleepless night;
• drowsiness during the day;
• increased sensitivity to sounds;
• nervousness;
• hypotension;
• hearing loss.

Does ultrasound to human harm?

The effect of ultrasound on the human body is characterized by changes that occur as a function of exposure dose. At low doses up to 90 dB occurs stimulatory effect, i.e. microscopic massage by vibration and acceleration of metabolism.

At high doses of 120 dB or greater occurs defeat.

Depending on the applied dose of mechanical vibrations, as well as power ultrasound acts on the tissue in different ways:

• depressing;
• It stimulates;
• destroys.

Ultrasound for man is not bad, if you follow a certain frequency and time, it is possible to achieve positive therapeutic results.

In medical applications ultrasound is considered to be completely safe.

Thanks to him, you can:

• in traumatology locate internal bleeding;
• in obstetrics to evaluate the development of the fetus and its parameters, as well as find out the sex;
• in cardiology to examine the heart and vascular system.

Scope ultrasound

Ultrasound is used in various fields:

• iron and steel industry;
• chemical industry;
• agricultural industry;
• textile industry;
• food industry;
• pharmaceutical industry;
• instrument-making and machine-building industry;
• petrochemical and processing industries;
• military industry;
• the medicine;
• dentistry;
• cosmetology;
• biology;
• life.

The use of ultrasound in medicine

multiple frequency bands are used in medicine for a variety of purposes:

ultrasonic range	application
Tall, 1-20MGts.	Ultrasound diagnostics and surgery.
Average, 0,7-3MGts.	Physiotherapy with thermal action.
Low 20-200KGts.	Therapies based on the mechanical effect of the ultrasound: dentistry, eye surgery, liposuction, sonophoresis, sonotrombolizis.

In medicine, with the help of ultrasound therapy can cure many diseases:

• skin - acne, furunculosis, dermatitis and others;
• eye - conjunctivitis, keratitis, blepharitis and the like;
• Dental - stomatitis, periodontitis, gingivitis and other;
• cardiac and vascular - angina, hypertension, varicose veins and other;
• musculoskeletal system - arthritis, sprains, low back pain and other;
• nervous system - sciatica, headaches, insomnia, and other;
• respiratory system - bronchitis, pneumonia, tracheitis, and others;
• Upper respiratory tract - tonsillitis, sinusitis, rhinitis, and other;
• GIT - cholecystitis, gastritis, ulcers and other;
• genitourinary system - cystitis, prostatitis, vaginitis, and others.

Used in cosmetics

Effect of ultrasound in dermatology and cosmetology is characterized by changes in the skin. Devices acting on the basis of ultrasonic waves in the cosmetic purposes, used to clean the face.

The harmful effects they have, as they work on certain frequencies harmless to the human body. Due to Ultrasound in cosmetology can not only affect the surface of the skin, as well as change its pathological state.

Ultrasound in cosmetology provides the following steps:

• healing;
• bactericidal;
• anti-inflammatory;
• anesthetic;
• antispasmodic;
• tonic.

And ultrasound stimulates:

• hemodynamics;
• lymph flow;
• regenerative processes.

Thanks to ultrasound can improve the functioning of internal organs, which has a positive effect on the change of dermatological diseases.

The use in dentistry

The effect of ultrasound on the human body at low frequencies prevents the development of dental diseases:

• gingivitis;
• stomatitis;
• periodontal disease;
• periodontitis and others.

Also has a therapeutic effect:

• improves absorption of the drug;
• detrimental effect on the microorganisms;
• It clears the tissue from infection;
• It stops the blood;
• a directional effect against tumors;
• sparing acts on soft tissue;
• It has a non-contact purification.

Ultrasonic drugs in dentistry are used in a variety of ways:

• with the help of ultrasound scanner is carried out hygiene procedures;
• via ultrasonic scalpel treat pulpitis and deep caries;
• physiotherapeutic treatment on the basis of ultrasound in conjunction with anti-inflammatory drugs are used after the implantation or extraction of a tooth composite;
• by ultrasound during sanitize dentures bridges and crowns;
• thanks to ultrasound sinks qualitatively processed reusable instruments.

As ultrasound stimulates blood circulation?

Thanks to ultrasound therapy, used in cosmetology and dermatology, you can get several effects:

• mechanical;
• thermal;
• chemical.

Mechanical - a massage at the microscopic level of cells. Because of this there is a strengthening of the cell membrane permeability. The heat effect does vasodilation and increases blood flow.

As a result, in an unhealthy body cells penetrate nutrients. Due to the effect of chemical cells produce enzymes, elastin, collagen, hyaluronic acid, which leads to a rejuvenating effect.

Harmful if ultrasound cleaning teeth?

Advantages of Ultrasonic tooth cleaning:

• It clears away plaque;
• removes the stone;
• bleaches 1-2 tones;
• disinfects the surface of the teeth;
• increases resistance to tooth decay;
• It helps to prevent gingivitis, stomatitis and periodontitis;
• enamel increases sensitivity to calcium and fluorine.

In the absence of restrictions professional ultrasonic cleaning of the teeth is of no danger. However, everything should be in moderation. The procedure is not recommended to make more than 2 times during the year.

More frequent application leads to thinning of the enamel and to microscopic cracks. Although in special situations such as, impaired mineral metabolism or saliva high viscosity, the procedure prescribed one once every 3-4 months.

Rules that must be followed after the procedure:

• on the first day you can not take a hot and cold food, coffee, red wine, chocolate products;
• no smoking;
• the first few days brushing teeth should be the usual soft toothbrush after every meal;
• it is recommended to replace the old toothbrush to a new one.

Contraindications to the use of ultrasound

The most important restrictions on the use of ultrasound are:

• oncological diseases;
• childbearing;
• the presence of the prosthesis, pacemaker implant;
• tuberculosis;
• vegetative neurosis;
• presence of inflammation or pustules on the skin;
• overall unsatisfactory condition;
• thrombophlebitis;
• post-radiotherapy.

Limitations associated with sonication persons:

• inflammation of the maxillary sinus;
• presence of filler on the basis of polymer materials;
• operations performed on the eyeball, recently conducted;
• the presence of gold and platinum filaments;
• diseases associated with optic nerve;
• facial paralysis.

Limitations associated with the procedures on the body:

• the presence of an intrauterine device in the uterus;
• the presence of stones in the gall bladder, kidney, and hepatic ducts.

Effects of ultrasound waves on the human body

The effect of ultrasound on the human body at a high intensity causes consequences:

• enhanced pain;
• bald head;
• destruction of red blood cells blood system;
• clouding of the cornea and lens;
• increasing the amount of urinary as well as lactic acid and cholesterol in the blood system;
• slight bleeding of tissues and organs of the human system;
• significant hearing impairment;
• destruction of nerve cells;
• disease and disorders of the bone matter.

such symptoms may arise in consequence of prolonged exposure to ultrasonic vibrations:

• frequent fatigue;
• dizziness;
• fast fatiguability;
• restless sleep;
• forgetfulness;
• indifference;
• uncertainty;
• no need to eat;
• confusion;
• depression.

Symptoms of the harmful influence of ultrasound

People who often work with ultrasonic devices are at risk of the harmful effects of ultrasound.

With the defeat of dangerous frequencies following problems occur:

• disorder of the central nervous system;
• restless sleep;
• memory losses;
• asthenia;
• nervousness;
• laying in the ear passages;
• pain in the head;
• increased hypersensitivity to sound;
• face pale or red;
• icy hands and feet;
• fainting.

In rare cases, there are:

• violation of the natural functioning of the stomach, namely, abdominal pain, feeling of heaviness;
• diencephalic violations of nature, ie, thinness, hallucinations, increase in body temperature to 37.5 degrees, seizures;
• polyneuritis;
• disorder associated with the cardiovascular system.

There are 3 stages of changes in the human body under the action of ultrasonic waves:

• initial;
• moderate;
• expressed.

In the initial stage, the slight change:

• central nervous system;
• endocrine organs;
• vestibular disorders;
• Vegetative polyneuritis.

At moderate stage occur the same changes as in the initial, but they are more pronounced. Also manifest changes diencephalic moderate nature. In severe stages of manifested symptoms of an organic lesion of the central nervous system, as well as changes in the nature of diencephalic moderate.

Treatment of complications of the ultrasound waves and the preventive measures

The therapy is to eliminate symptoms and strengthening the immune system of the patient.

At the initial stage of the central nervous system disorder is required:

• regular monitoring specialist;
• passing out-patient treatment;
• Active medical complexes;
• removal of personnel in 2 months. from the ultrasound apparatus to transfer to another position that does not require interaction with these devices.

When expressed step harmful influence of ultrasound requires inpatient and outpatient treatment.

You must comply with preventive measures that will help the body to avoid serious injuries:

• ultrasonic instruments should be kept in a special room;
• ultrasonic baths need to limit the contact of hands, as well as detergents;
• Details on the equipment must be secured by a special mechanism;
• upload and download details can only be switched off when the ultrasound generator;
• hands must be protected designed gloves.

Does ultrasound perceived by ear?

Ultra - which means the highest, because the human ear can not perceive high sounds and bass. There is a middle range, which is perceived by the human ear. It is from 16 to 20,000 Hz.

Do household ultrasonic devices are dangerous?

Ultrasonic instruments, such as humidifiers or repellents against rats and mice, are not dangerous for humans. Because ultrasound through walls and furniture does not pass.

It is harmful only when close to the device, and if a long time to be near him. It is for this reason that those people who work in the ultrasound equipment, pay salary supplements for harmful work. Despite the fact that ultrasound at certain frequencies has no effect on the human body, the safety measures necessary to comply with.

Author: Belaeva Christina

Registration of the article: Mila Friedan

Video of ultrasound

The harmful effect of ultrasound on human: