ORTHODONTIC ELECTROMECHANICAL FUNCTIONAL ACTIVATOR

摘要

FIELD: medical engineering. SUBSTANCE: extraoral device has mechanism for fixing it to supporting teeth and teeth to be moved, unit for transferring force as flexible sleeve 3 or rigid sleeve 6 having mechanical and electric parts utilizing electromagnetic properties of coil when current passes through it for attracting metal core invoking short-time discrete action of its mechanical part. EFFECT: improved functional characteristics; synchronized operation corresponding to patient pulse; enhanced effectiveness in loosening teeth before their being removed. 3 dwgf