What is the role of ultrasound and what are the uses of ultrasound?

Ultrasound: Ultrasonography is an important part of ultrasound medicine. Ultrasound acts on the lesion of the human body to achieve the purpose of disease and promoting the body.

Globally, ultrasound is widely used in diagnostics, science, engineering, biology and other fields. The Severy home ultrasound machine belongs to the application of ultrasonic.

1) Engineering applications: underwater positioning and communication, underground resource exploration, etc.

2) Biological applications: shearing macromolecules, bioengineering and seed treatment, etc.

3) Diagnostics applications: A, B, M, D, double power and color ultrasound, etc.

4) ** Applications: physiotherapy, cancer treatment, surgery, extracorporeal lithotripsy, dentistry, etc.

Features of ultrasound:

1. When ultrasonic waves are propagating, they have strong directionality and are easy to concentrate energy.

2. Ultrasonic waves can propagate in a variety of different media, and can propagate long enough.

3. The interaction between ultrasound and the sound transmission medium is moderate, and it is easy to carry information about the state of the sound transmission medium (diagnosis or effect on the sound transmission medium. （**）

Ultrasound is a form of wave, which can be used as a carrier or medium to detect and load information (such as B-ultrasound and so on as a diagnosis); Ultrasound is also a form of energy, and when its intensity exceeds a certain value, it can influence, change and destroy the state, properties and structure of the latter through interaction with the medium that propagates ultrasound.

1) Engineering applications: underwater positioning and communication, underground resource exploration, etc. 2) Biological applications: shearing macromolecules, bioengineering and seed treatment, etc. 3) Diagnostics applications

Type A, type B, type M, type D, double power and color ultrasound, etc.4) ** applications: physiotherapy, cancer treatment, surgery, extracorporeal lithotripsy, dentistry, etc.

Ultrasound is a form of wave, which can be used as a carrier or medium to detect and load information (such as B-ultrasound and so on as a diagnosis); Ultrasonic waves are also a form of energy, and when their intensity exceeds a certain value, it can influence, change and destroy the state, properties and structure of the latter through interaction with the medium that propagates ultrasound.

Ultrasonic positioning, B-ultrasound, cleaning precision instruments, etc.

B-ultrasound diagnosis or focused ablation of tumors.

It can help ships and aircraft navigation, as well as find underground mineral deposits, and is widely used in industry, agriculture, medicine, military and other fields.

In terms of inspection, ultrasound is shorter than ordinary sound waves, so he has a specialty in inspection, which is also widely used in our lives, such as thickness measurement of some materials, including the use of ultrasound to examine the body in medicine. In terms of treatment, cleaning and descaling, such as our equipment for cleaning glasses. There are also ultrasonic machines in agriculture and industry!

Medical ultrasonography: Medical ultrasonography works in a similar way to sonar, i.e., ultrasound waves are emitted into the human body, and when it encounters an interface in the body, it will be reflected and refracted against.

2.Ultrasonic degreasing: The degreasing process of placing the parts adhered to the oil stain in the degreasing solution and making the degreasing process under the action of an ultrasonic field of a certain frequency is called ultrasonic degreasing. The introduction of ultrasound can be intensified.

Due to the high energy of ultrasound, it is possible to produce a significant sound pressure effect on the molecules of matter, such as when ultrasonic waves of general intensity pass through water, the additional pressure can reach several atmospheres. The presence of such a large amount of sound pressure in the liquid can cause a noteworthy phenomenon. When ultrasonic vibrations compress the molecules of a liquid, it is as if the molecules are under pressure in all directions; When ultrasonic vibrations thin out the molecules of a liquid, it appears to be subjected to a tensile force that spreads outward.

For liquids, they are more able to withstand the action of additional pressure, so when subjected to compressive forces; It is unlikely that there will be an anomaly. But under the action of tensile force, the liquid will not be able to support, and in the place where the tensile force is concentrated, the liquid will break apart, and this rupture effect is particularly easy to occur in the place where there are impurities or bubbles in the liquid, because the strength of the liquid in these places is particularly low, and it can not withstand the tensile force effect of several times the atmospheric pressure in particular. As a result of the breakage, many small bubble-like cavities are created in the liquid, which exist for a short time and close in an instant.

When the cavity is closed, a large instantaneous pressure is generated, which can generally reach thousands or even tens of thousands of atmospheres. Under this strong instantaneous pressure, the temperature of the liquid rises suddenly. The reciprocal instantaneous pressure caused by the fracture can cause the solid surface suspended in the liquid to be violently damaged.

We often call this the phenomenon of cavitation.

1. Ultrasonic treatment. The mechanical, cavitation, thermal and chemical effects of ultrasonic can be used for ultrasonic welding, drilling, solid crushing, emulsification, degassing, dust removal, descaling, cleaning, sterilization, promoting chemical reactions and biological research, etc., which have been widely used in various departments such as industry and mining, agriculture and medical treatment.

2. Ultrasonic cleaning. The ultrasonic application principle of cleaning is the high-frequency oscillation signal sent by the ultrasonic generator, which is converted into high-frequency mechanical oscillation by the transducer and propagated to the medium, the ultrasonic wave in the cleaning solvent radiates forward in the sparse and dense phase in the cleaning liquid, so that the liquid flows and produces tens of thousands of tiny bubbles, the tiny bubbles (cavitation nuclei) existing in the liquid vibrate under the action of the sound field, when the sound pressure reaches a certain value, the bubble grows rapidly, and then suddenly closes, generating a shock wave when the bubble closes, Thousands of atmospheres are generated around it, destroying insoluble dirt and dispersing them in the cleaning solution, when the group particles are wrapped in oil and adhere to the surface of the cleaning parts, the oil is emulsified, and the solid particles are separated, so as to achieve the purpose of purifying the surface of the cleaning parts.

It can be used for distance measurement, speed measurement, cleaning, welding, stone crushing, sterilization and disinfection, etc. There are many applications in medicine, military, industry, and agriculture. Ultrasound is a kind of sound wave with a frequency higher than 20,000 Hz (hertz), it has good directionality, strong reflection ability, easy to obtain more concentrated sound energy, and travels farther in water than in the air.

Sound waves are the propagating form of the state (or energy) of the mechanical vibration of an object. Ultrasonic refers to vibration frequencies greater than 20,000 Hz, and the number of vibrations per second (frequency) is very high, exceeding the general upper limit of human hearing (20,000 Hz), and people call this inaudible sound wave ultrasound.