ORTHODONTIC ELECTROMECHANICAL FUNCTIONAL ACTIVATOR Russian patent published in 1998 - IPC

Abstract RU 2115384 C1

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 dwg

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RU 2 115 384 C1

Authors

Stepanov Aleksandr Efremovich

Dates

1998-07-20—Published

1995-02-28—Filed