1. Used with special magnetic guide instrument. 2. Proximal of nail outward tilt avoid the articular surface. 3. The entry point is posterior of tibia tubercle, donot close to the articular surface, because the patella will avoide drilling. 4. The four locking hole is parallel, donot injury the neurovascular 5. For delayed unions, remove the distal screws which are far from the fracture line. |