As reported: "the surgeon had inserted the drill tip k-wire and used the cannulated lag screw drill to prepare for the lag screw.The surgeon noticed an increase in resistance but managed to drill the entire track.After drilling the lag screw was attached to the lag screw screwdriver trough the proximal targeting device.The lag screw went in for a bit after which it would not get any deeper.The surgeon checked for: good attachment of the nail holding screw, right ccd angle of the targeting device and if the k-wire was still straight.The surgeon tried again with no success.After this attempt the surgeon removed the nail and lag screw and tried to insert the lag screw trough the targeting device outside the patient, but again the lag screw was running against the nail and could not progress.A new nail and lag screw were used after which the surgery progressed without any further problems.The nail and lag screw were cleaned and were brought to the mec truck which was on their property.The procedure was done again with the use of the proximal aiming device that is available in the mec truck.With the first try, the same issue was encountered.Later on the day it was shown again to someone else, and the issues were not encountered.".
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