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2Fixation

Patient positioning

First intermediate ring

Add a second ring in the proximal fragment of the midshaft, connecting it with 4 rods to the proximal ring.
The distance of this third ring to the fracture will determine the working length. More length means more flexibility while a shorter length will give greater rigidity.
Insert 2 K-wires as perpendicular to each other as possible.

Note:
Using a Schanz screw will make the construct more rigid.