| 摘要 |
The device (1) is assembled of a handle (2) attached to a shaft (3) with an axially movable cylindrical cover (13). A holding and positioning tool at the lower end of the shaft, comprising the gripping elements (5, 6) with a flat front area (8) with a u-shaped space (9) between them and stick-shaped projections (12) protruding from the front surfaces of a thicker rear area (10, 11) can be locked in a holding position when the sleeve (13) is moved towards the lower end. The implant is provided with steps and recesses exactly matching the step and the projections of the tool. |
