Introduction - I-Tech Mio-Sonic Mode D'emploi

Introduction

Mio-Sonic is an innovative and advanced medical device for
ultrasound treatment. Thanks to its practicity it's ideal for home use.
The sound is given by a body vibration that expands in the air with a
specific frequency and finally it reaches the ear. Sound frequency is
measured in Hertz (Hz) and it is the number of oscillations (pressure
variations) per second. The human ear can nominally hear sounds in
a range from 20 Hz to 20000 Hz. Wavelength is the spatial period of
the wave in a complete oscillation.
Ultrasounds are mechanical sound waves with frequencies higher
than frequencies audible by the human ear.
Ultrasounds mechanical waves, generated by piezoelectric elements,
are used in different industrial fields for years.
Thanks to the study of ultrasound waves in human application new
diagnostic medical instrumentation has been built and they are
widely used in gynecology, gastroenterology, hagiology and
cardiology.
These instrumentations uses back-echo resulting from ultrasound
beam that spreads in the human body and it is decelerated in
different ways by anatomic structures. Each tissue has a specific
acoustic impedance so ultrasound wave crossing through anatomic
structures provokes different biological effects. Thermal Effect is the
first effect that has a pain-killer function in orthopedics, sport
medicine and in aesthetic fields for cellulite and adipose tissue
treatment.
How do ultrasound waves generate heat?
Ultrasound waves loss energy when they
cross through the tissues. The delivered
energy is given to the crossed anatomic
structure. Then energy to heat conversion
increases significantly local temperature, in
particular between tissues with different
acoustic impedance (for example bone/soft tissues), and increases
microcirculation. The bloodstream helps to dissipate the increased
heat.
There are also Not Thermal Effects in ultrasound waves
propagation.
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