The acetabular reconstruction ring is formed after the anatomical acetabular roof and is designed to reinforce the osseous acetabular bed mainly in the area of stress. It is mainly implanted under the point of view of stability in the case of given bone quality and anatomy. The polyethylen cup is fixed with cement. It is brought into a functionally optimal position - largely irrespective of the position of the support ring. A must have in any medical facility such as hospitals. It is a one of a kind creation. One may say it is a product of brilliance and innovation.