| 摘要 |
The invention relates to a screw-driving tool for implant screws having an elongate handle ( 2 ) and having a bar-shaped tool which is anchored in the elongate handle ( 2 ). An elastic, hollow spiral ( 10 ) is provided for the transmission of a predetermined torque, with a bar ( 3 ) being guided through the spiral ( 10 ) and being fixedly connected to the rotatable side of the spiral and indicating a rotational angle or a torque respectively at the opposite side.
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