An intramedullary bone repair system and device for insertion into a bone extendingalong a longitudinal axis of the bone and for use with a plurality of screws. Thebone repair device includes an elongate shaft and a head pivotally coupled tothe proximal end of the shaft. A locking assembly is carried by the proximal endof the shaft and the head for rigidly coupling the shaft and the head together whenthe shaft and the head have been desirably positioned within the bone. The shaftand the head are provided with a plurality of threaded bores for receiving theplurality of screws to affix the shaft and head within the bone. A method for repairof a bone fracture using the bone repair device is also disclosed.