The article describes the research of a new treatment method of lower limb varicose vein using low-frequency ultrasound. To study the effectiveness of this method we analyzed the interaction between the ultrasound instrument and the venous wall and defined the mechanisms of action during endovenous ultrasound treatment (EUT): thermal, mechanical, and chemical. We developed three models to study the impact of different combinations of mechanisms of action on varicose venous wall.
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