目的：分析及评价应用加长柄双极股骨头置换治疗高龄患者不稳定粗隆间骨折的方法及疗效。
Objective: To study and evaluate results of long-stem bipolar prosthetic replacement for the management of unstable intertrochanteric fractures in the elderly.
极间介质为易于浸渍的表面粗化聚丙薄膜，特别提高了大容量电容器的可靠性。
The interelectrode dielectric adopts the polypropylene film with surface coarsening which is easy to impregnate so as to enhance the reliability of high-capacity capacitor.
目的探讨双极人工股骨头置换手术治疗高龄不稳定型股骨粗隆间骨折患者的临床疗效。
Methods Bipolar artificial femoral head replacement was adopted in 16 cases of unstable intertrochanteric fracture for the patents with mean operation age of 86.
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