Patent ID: 7857859
Filing Date: 2010-12-28
Classification: A61F

Abstract:
1. An implant for use as a femur component of a hip joint prosthesis, comprising: a shaft being intended for the implant in a cavity of a femur; a head section intended for the fastening of a femoral head prosthesis; and a femoral neck section having a proximal section and a distal section, said femoral neck section being arranged between the shaft and the head section wherein the femoral neck section comprises a femoral head axis and a contour in a cross-section perpendicular to the femoral head axis, the contour comprising a lateral circle segment and a medial circle segment having the same curvature radius and a common curvature center, the contour tapering in one of a V-shape or a wedge-shape towards said medial circle segment and comprising an anterior segment and a posterior segment wherein the anterior and posterior segments define the tapering, the curvature radius increases along said femoral neck section from said proximal section to said distal section.