Fig. 1From: A novel positioner for accurately sitting the acetabular component: a retrospective comparative studyThe best-fit sphere model implanted in the true acetabulum in Mimics. a Center (O), radius (R), reaming center (C), and the positioning line (H). b The positioner with two and three brackets (c, d). Diagrammatic drawing of the positioner and relevant parameter (e)Back to article page