Design,selection and replacement of hip prosthesis / 中国组织工程研究

ABSTRACT

Total hip replacement is a primary therapy for hip-joint disease.Well-matched prosthesis is important for success replacement.Biomechanical performance of the artificial joint following replacement is closely related to the service life.In addition,the effect of total hip replacement is highly correlated with acetabular anteversion angle,femoral head rotation center and eccentricity,and force.Prosthesis force includes normal stress and shear stress.The normal stress is beneficial to prosthesis fixation and force transfer,while shear stress may cause prosthesis loosening.Bone and bone mass changes surrounding the prosthesis,prosthesis loosening or dislocation,prosthesis peripheral fracture,material wearing,and infection are common complications influencing mid-and long-term effect of total hip replacement.