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First lag screw

Make a stab incision through the deltoid ligament. With the protection of the drill sleeve, drill a 2.5 mm hole as perpendicularly as possible to the fracture plane, parallel and anterior to the K-wire. Do not drill the lateral cortex of the tibia. Care must be taken to avoid penetration of the ankle joint.

Keeping the drill in place, check its position and the reduction under image intensification.

Measure the drill depth and tap the medial cortex only with the 4.0 mm cancellous bone tap, using the protection sleeve.

The chosen 4.0 mm cancellous bone screw should come to rest with its threads completely beyond the fracture line. The use of a washer is recommended, especially in osteoporotic bone. Insert the screw without excessive tightening.