Tomey AL-100 User Manual

4-14
4.4 Acoustic output
4.4.1 MI (MECHANICAL INDEX)
MI is a parameter to show mechanical bio-effects of ultra-
sound. Examples of mechanical effects are motion (or
streaming) around compressible gas bubbles as ultrasound
pressure waves pass through tissues, and energy released
in the collapse, via cavitation, of transient gas bubbles.
4.4.2 TIS (SOFT TISSUE THERMAL INDEX)
TIS is a parameter to show thermal bio-effects of ultra-
sound. Thermal effect is temperature rise of tissue by ultra-
sonic exposure.

Tomey AL-100 Specifications

General

Brand	Tomey
Model	AL-100
Category	Measuring Instruments
Language	English