Patent ID: 6589244
Filing Date: 2003-07-08
Classification: A61B,A61F,Y10S

Abstract:
A bone fastener and surgical instrument used for holding internal and external surfaces of a cranial bone cover relative to internal and external surfaces of surrounding cranial bone, said bone fastener and said surgical instrument comprising:a bone fastener including, a first fastening member having a first inner face and a first outer face, a second fastening member having a second inner face and a second outer face, and an elongated member extending from said first fastening member; and a surgical instrument having a first engagement member operable to engage said elongated member extending from said first fastening member and a second member operable to adjustably position said second fastening member relative to said first fastening member by engaging said second fastening member with said elongated member, wherein upon adjustably positioning said second fastening member relative to said first fastening member with said surgical instrument, the internal and external surfaces of the cranial bone cover and the surrounding cranial bone are engaged by said first inner face of said first fastening member and said second inner face of said second fastening member to fix a first transverse face of the cranial bone cover in apposition with a second transverse face of the surrounding cranial bone and position the internal and external surfaces of the cranial bone cover substantially co-planar with the internal and external surfaces of the surrounding cranial bone.