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7Poller screw (blocking screw)

Insertion of poller screw

The poller screw should be located according to the direction of the initial fracture displacement. Therefore, in a medial displacement, the fracture will try to displace medially even after the reduction and a poller should be placed lateral to the proposed nail track.

If there is a wide canal, or a very unstable situation, a blocking screw can be placed on each side of the proposed nail path.