Drilling and tapping
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 far cortex.
Care must be taken to avoid penetration of the ankle joint.
Measure the drill depth and tap the malleolar fragment only with the 4.0 mm cancellous bone tap, using the protection sleeve.