Thanks to the offset positioning, the 4R73=A and 4R73=D Adapters allow for sliding adjustment of the prosthetic socket on different levels. The 4R73=A enables a sliding adjustment in the sagittal and frontal plane. Its pyramid is offset-axially. The 4R73=D enables a 45° combination in the sagittal and frontal plane. Its pyramid is diagonally-offset.
