No complications such as infection, dislocation, prosthesis loosening happened.
无感染、脱位、假体松动等并发症出现。
Polyethylene wear and debris formation result in synovitis, joint instability, osteolysis, and prosthesis loosening.
聚乙烯磨损颗粒导致滑膜炎、关节不稳定、骨溶解和假体松动。
Follow-up ranging from 2 to 5 years (mean, 38 months) showed improvement in hip function without evidence of prosthesis loosening.
随访2年至五年(平均38个月)显示髋关节功能改善且没有假体松动征象。
Objective to elucidate the contact areas of stem-bone of the different type prostheses and probe into the relation between the contact areas and prosthesis loosening.
目的了解不同类型的髋关节假体柄与骨的接触面积，并探讨接触面积的大小与假体松动的关系。
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.
假体受力可以分解为正应力和剪切应力两部分，正应力有益于假体的固定和力的传递，而剪切力会导致假体松动。
Aseptic loosening of prosthesis resulting from periprosthetical osteolysis after artificial joint replacement is the main cause affecting its in-service life.
人工关节置换术后假体周围骨溶解所引起的假体无菌性松动是影响其使用寿命的主要原因之一。
Production of wear debris following artificial joint replacement contributes to joint loosening and useful life shortening of the prosthesis.
人工关节置换后关节磨屑的产生是导致人工关节松动，缩短人工关节使用寿命的重要原因。
Objective to research the cause of loosening of the prosthesis in advanced complication and after total hip joint replacement the technology in revision hip arthroplasty.
目的探讨人工髋关节置换术后晚期假体松动的原因及翻修技术。
Aseptic loosening of the prosthesis is a major form for the failure of artificial joints, which results in the conglomeration of wear particles at the bone-implant interface.
无菌性松动是人工关节失效的主要形式，由磨损粒子在植入物与肌肉界面的聚集导致。
Failure of a prosthesis may be due to infection or a fracture of bone or prosthesis, but much more often it has no clear cause, after a process of aseptic loosening.
未能修复的原因可能是感染或骨折的骨或假，但更多的往往没有明确的奋斗目标，之后的进程无菌性松动。
Objective: To investigate the effects of pamidronate on the osteoclasts activated by the polyethylene particles and explore the preventing effect of pamidronate on the aseptic loosening of prosthesis.
目的：研究帕米膦酸钠对聚乙烯微粒刺激破骨细胞功能的影响，间接探讨帕米膦酸钠防治人工关节无菌性松动的可能性。
Objective: To investigate the effects of pamidronate on the osteoclasts activated by the polyethylene particles and explore the preventing effect of pamidronate on the aseptic loosening of prosthesis.
目的：研究帕米膦酸钠对聚乙烯微粒刺激破骨细胞功能的影响，间接探讨帕米膦酸钠防治人工关节无菌性松动的可能性。
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