| 摘要 |
FIELD: medicine.SUBSTANCE: invention refers to medical equipment and may be used in implant surgery. A drill comprises a connective section and a cutting section. The connective section is formed at an upper end of a drill body to be connected to an actuator. The cutting section is formed at a lower end of the body and has a cutting drill blade. An outer annular edge of a distal end of the cutting section projects forwards in relation to the centre.EFFECT: drill enables the damage-free, fast and safe lift of the mucous membrane accompanying a maxillary sinus surgery.6 cl, 6 dwg |
