| 摘要 |
A system is provided with a screwdriver and a bone screw ( 30 ), wherein the screwdriver has a tool ( 4 ), which is provided with at least two radially and axially extending tool blades ( 5, 6, 7, 8 ), which can be caused to engage groove-like blade slots ( 36, 38 ) of the bone screw ( 30 ) in a positive-locking manner. To improve the handling of a bone screw ( 30 ) even in case of the smallest possible dimensions, provisions are made according to the present invention for the tool blades ( 5, 6, 7, 8 ) to form at least one elastic clamping section ( 20, 21, 22, 23 ), with which the tool ( 4 ) can be caused to clampingly engage the bone screw ( 30 ) in the area of the blade slots ( 36, 38 ).
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