Acetabular metal back conventional and unconventional .
The acetabular metal back is used in cases of severe acetabular failure , prevents the placement of a prosthetic acetabular cup .
Are presented in standardized or unconventional shapes.
Unconventional variants are prepared according to prior 3D prototyping .
Used for acetabular reinforcement and support of grafts in severe acetabular deficiencies that do not allow the placement of conventional acetabular cups .