Patent ID: 9687252
Date: 2017-06-27
CPC Classifications: A61B,A61F

Claim:
1. A method for preparing a femoral bone canal, comprising: inserting a distal cutting instrument into the femoral bone canal; rotating a shaft of the distal cutting instrument in a first rotational direction about a longitudinal axis of the distal cutting instrument thereby cutting a first portion of the femoral bone canal with a cutting portion of the distal cutting instrument; attaching a proximal cutting instrument to the shaft of the distal cutting instrument; and rotating the shaft of the distal cutting instrument to rotate the distal and proximal cutting instruments in a second rotational direction opposite the first rotational direction about the longitudinal axis thereby cutting a second portion of the femoral bone canal with the proximal cutting instrument without cutting the femoral bone canal with the distal cutting instrument; connecting a first mating surface of a trial neck to a second mating surface of the proximal cutting instrument via a splined connection, wherein the trial neck includes a base including the first mating surface and an arm extending from the base, wherein the first mating surface includes a first plurality of ridges and valleys and the second mating surface includes a second plurality of ridges and valleys adapted to mate with the first plurality of ridges and valleys, and wherein connecting the trial neck to the proximal cutting instrument comprises inserting the shaft of the distal cutting instrument through an aperture defined in the base of the trial neck; and securing the trial neck to the distal cutting instrument with a fastener at a proximal end of the trial neck.