Patent ID: 8911482

Claim:
An interlocking bone plate system for fixation of a fracture of a bone including a diaphysis, an epiphysis, a metaphysis between said diaphysis and said epiphysis, a bone wall and a medullary cavity surrounded by said bone wall, the interlocking bone plate system comprising: an outer bone plate for being arranged outside said bone adjacent to an outer surface of said bone, said outer bone plate comprising at least one first through hole; an inner bone plate for being installed inside said medullary cavity of said bone corresponding to said outer bone plate, said inner bone plate comprising at least one second through hole; and at least one screw comprising a head for being engaged with said at least one first through hole, and a shank for being inserted through and engaged with said bone wall of said bone and engaged with said at least one second through hole; such that said outer bone plate and said inner bone plate are spacedly interlockable; wherein said first through hole of said outer bone plate defines a first peripheral edge and a first positioning portion located on said first peripheral edge; said second through hole of said inner bone plate defines a second peripheral edge and a second positioning portion located on said second peripheral edge corresponding to the first positioning portion of said first through hole.