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Cavitational effects: It is a phenomenon that appears in a liquid
under a strong pressure. When the absolute pressure get inferior to
the liquid vapour pressure, a vapour in the form of little bubbles is
developed. Even if the cavitation can develop in the tissues, it
needs a superior intensity than in the liquids, and we must
consider that around 60% of the human’s body is made of water.
It is intuitive that the application of the ultrasounds on biological
material imbibed with water causes a remarkable cavitational
effect, that is the production of micro-bubbles for effect of the
cavitation in the water.
The cavitational phenomenon and its efficacy are connected to
the emission power of the wave and their frequency. Lower is the
emission frequency, greater is the cavitational effect produced in
the tissues, then greater its efficacy in the lipolysis. Adipose cells in
particular are more easily exposed to the cavitational effect than
the more resistant structures.
The dynamics of the process is very alike to the boiling one. The
main difference between the cavitation and the boiling is the
vapour pressure inside the liquid. In the cavitation is created a
strong depression that causes the separation of the air contained
in the liquid, forming some gas cavities that imploding emit a
quantity of energy that separates the fat macromolecules in the
mono-and triglycerides adiposities, making the lipase action, and
the following use by the body, more efficient.
The effects are a progressive modelling of the body’s outline, the
reduction of the fat, the improvement of the “orange peel” skin
aspect with an attenuation of the cellulite nodes, the reactivation
of the district peripheral circulation and the drainage of the
excess fluids. Also the skin tone and elasticity have benefits.
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