Patent ID: 7569075
Filing Date: 2009-08-04
Classification: A61B,A61F

Abstract:
1. A hip prosthesis comprising: a) a plate member having integral, rigid strap and tubular neck pieces, wherein said strap piece includes a plurality of through bores adapted to receive and support a plurality of screw fasteners at a dorsal surface to secure said strap piece to a femur, wherein said tubular neck piece rigidly projects at an obtuse angle from said strap piece, and wherein said tubular neck piece includes a longitudinal through bore; b) a stem base having first and second stem pieces that longitudinally project from an intermediate flange piece, wherein said first stem piece is adapted to mount in a recess of the femur, wherein said first stem piece includes a longitudinal bore adapted to receive and support said tubular neck piece, wherein an outer surface of said first stem piece includes a plurality of longitudinally spaced rigid ridges arranges radially about the stem piece, and wherein said flange piece transversely radiates outward from said first and second stem pieces and is adapted to abut the end of the femur; c) a ball head, wherein said ball head includes a bore adapted to receive an end of said second stem piece and align said ball head to said flange piece; and d) a threaded fastener adapted to mount in the bore of said tubular neck piece and couple to said stem base substantially adjacent said flange piece to draw said flange piece into abutment with said femur.