Distal Locking with the Distal Aiming Device, contd.

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Insert the self-cutting fixation bolt 6.   Insert the self-cutting fixation bolt (tibial or femoral, as appropriate), and tighten it down with the Hexagonal Screwdriver. This anchors the Distal Aiming Device to the bone. If necessary, reposition the image intensifier so that both (transverse) distal holes appear on the screen. The most distal hole will not appear round because the beam direction is in the axis of the more proximal hole. Correct drilling direction will be ensured by the fixation bolt.

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