SAFETY SUBANTRAL MEMBRANE LIFT CAPABLE OF DIRECTLY ADJUSTING A SUBANTRAL MEMBRANE TO SAFELY LIFT THE SUBANTRAL MEMBRANE IN A DESIRED DIRECTION BY A DESIRED DISTANCE, AND OPERATING METHOD USING SAME
Disclosed is a safety subantral membrane lifter including a bone-fixing unit including a bone-fixing arm mounted on the top of the bone-fixing unit, a bone-fixing unit body arranged at the lower end of the bone-fixing unit, and a bone-fixing unit support arranged at the lower end of the bone-fixing unit body. The bone-fixing unit include a bone-fixing unit body； a bone-fixing arm arranged at one end of the bone-fixing unit body and which is inclined toward one end thereof； two side blades protruding outwardly from both sides of the bone-fixing unit body and formed in the vertical direction so as to be sharp； and a bone-fixing support arranged at the lower end of the bone-fixing unit.
