DCS Surgical Technique, contd.


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9. Insert the lag screw by turning the handle clockwise until the 0 mark on the assembly aligns with the lateral cortex. The threaded tip of the lag screw now lies 10 mm from the medial cortex. The lag screw may be inserted an additional 5 mm in porotic bone, for increased holding power.

Note: If a lag screw 5 mm shorter than reaming and tap- ping depth is used (in this case, 65 mm), insert it an additional 5 mm, until the 5 mark on the assembly aligns with the lateral cortex.

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