| 摘要 |
A device for making holes for the implantation of interlocking nails having distal locking bores, comprising an X-ray source having a housing and a beam axis and an associated image converter having an entrance window and aligned with said locking bores, said device comprising further a drilling tool for drilling the corticalis coaxially with said axis of said bores and guide means for guiding said drilling tool, in which a corner drill is provided having a chuck and a coupling fitting opposite to said chuck and that a telescopic guide member is provided adapted to be coupled to said fitting with one end and to engage said window of said image converter by its opposite end or a front portion of said housing of said X-ray source, respectively, such that the axis of said guide member is coaxial with said axis.
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