#$%^&*AU2012200276A120120816.pdf#####ABSTRACT Oscillating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such oscillating rasps are also disclosed.1/10 10 22 28 38 30 32 24 38 36 38 10 34 36 34 40 Fig. 1 28 24 30 632 3 10 36 34 " R2 40 38 : 28 F .- 3 8 24 22 30 32 26 Fig. 2 Fig. 3