Bone plate and nail implant

A surgical implant 10, such as for stabilising a bone fracture 20 comprises a plate 14 and an elongate nail member 16 connected to, such as by welding, and projecting from the plate 14. The nail 16 may be curved and is for insertion into a fractured bone 32. The plate 14 is for attachment to a surface of a bone 24. Both are provided with a fastening region, such as holes, for fastening the surgical implant 10 to the bone 24 using bone screws. Various combinations of plate shapes, nail curvatures and fixing patterns are disclosed. Also disclosed is a guide for positioning a surgical implant in a bone.