The collar of the stem could reduce bone loss at the calcar region.
患者本身骨密度高者骨丢失少，假体肩托可部分减少股骨矩的骨丢失。
Objective To study the methods and effects of operation on femoral neck fracture with calcar comminution.
目的探讨股骨距碎裂的股骨颈骨折的手术方法及疗效。
In 4 cases with cemented hip replacement, 2 cases reserved calcar femoral bone flap got union, and 1 hip prosthesis had loosen.
行骨水泥型人工关节置换的4例中2例保留的股骨距骨块愈合，1例出现假体松动。
Conclusion: the key of ITEF is fixation of the complemented wire sticking femoral calcar which can strengthen the effect of fixation.
结论：ITEF的关键在于补行贴股骨距的钢针固定，它可增强固定效果。
Objective: To provide the morphological data for studying mechanical characteristics of femoral calcar and for the clinical application.
前言：目的：为进一步研究股骨距的力学特性和临床应用提供可靠的形态学资料。
Conclusion:The first perforation artery vessel bone flap can be used in repairing neck of femur, femorale calcar and upper femur incomplete.
结论：第一穿动脉为蒂的骨瓣，用于股骨颈、股骨距和股骨上段骨缺损的修复，疗效可靠。
Summary were as follows: internal fixator improper selection, with the reconstruction of calcar femorale bad happened are an important reason for surgical complications;
总结发现：内固定物选择不当、内后侧负重区皮质重建不良是发生手术并发症的重要原因；
Methods Diaplasis the femoral lesser trochanter , reconstructing the femoral calcar, recovering the dissection shape of the femur neck fundus, and then replacing the artificial femoral head.
方法复位股骨小粗隆，重建股骨距，恢复股骨颈基底部解剖形态，再行人工股骨头置换术。
Methods 14 cases of femoral neck fracture with calcar comminution were operated. Among them, 5 cases of undisplaced fractures were treated with close reduction and breaking compression screw fixation;
方法手术治疗14例股骨距碎裂的股骨颈骨折患者，5例骨折无明显移位者行闭合复位折断式加压螺钉内固定；
Methods 14 cases of femoral neck fracture with calcar comminution were operated. Among them, 5 cases of undisplaced fractures were treated with close reduction and breaking compression screw fixation;
方法手术治疗14例股骨距碎裂的股骨颈骨折患者，5例骨折无明显移位者行闭合复位折断式加压螺钉内固定；
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