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胫骨髓腔形态学测量与解剖型胫骨弹性髓内钉的设计 被引量:2
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作者 王建华 吴岳嵩 +1 位作者 李君实 郑定中 《中国骨伤》 CAS 2003年第8期452-454,共3页
目的 在研究胫骨髓腔解剖的基础上设计一种解剖型胫骨弹性髓内钉,并测量其生物力学性能。方法 选择35枚成人胫骨标本,根据X线片测量结果获得髓内钉的腰段长度、前锥度、后锥度、弧度等形态参数,制作髓内钉,并在胫骨中段骨折模型上进行... 目的 在研究胫骨髓腔解剖的基础上设计一种解剖型胫骨弹性髓内钉,并测量其生物力学性能。方法 选择35枚成人胫骨标本,根据X线片测量结果获得髓内钉的腰段长度、前锥度、后锥度、弧度等形态参数,制作髓内钉,并在胫骨中段骨折模型上进行生物力学测试,比较其抗弯,抗扭转性能。结果 解剖型弹性髓内钉固定胫骨干骨折的抗弯能力是矩形髓内钉的1.8倍和1.5倍。抗扭转能力是其1.6倍。结论 胫骨解剖型弹性髓内钉是一种更复合胫骨骨折内固定的弹性髓内钉。 展开更多
关键词 胫骨解剖型弹性髓内钉 矩形髓内钉 生物力学
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The design and application of NiTi shape memory alloy bow staple in cranioplasty
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作者 刘建民 郑定中 +8 位作者 过宗南 周晓平 王文仲 郝文清 赵孟尧 张光霁 张田旺 谷宗平 李维平 《Journal of Medical Colleges of PLA(China)》 CAS 1991年第1期98-101,共4页
The NiTi shape memory alloy (SMA) bow staple consists of an arched body,one front arm and one rear arm.It has the function of shape memory and manyadvantages,i.e.,high strength,low specific gravity,strong retrieving f... The NiTi shape memory alloy (SMA) bow staple consists of an arched body,one front arm and one rear arm.It has the function of shape memory and manyadvantages,i.e.,high strength,low specific gravity,strong retrieving force,highresistance to fatigue and erosion,nontoxicity,nonmagnetism and goodhistocompatibility.It can be widely used and make the fixation convenient and ef-fective.The staple has been used clinically in 152 cases of cranioplasty.Resultshave showed that duration of the operation is shortened and harm during the op-eration is reduced,because dura mater needn’t be seperated and the skull needn’tbe penetrated through.Some complications can be avoided and the operationbecomes simpler,safer and more reliable.The bow staple is suitable for fixationwith any kind of repairing material in cranioplasty and does not interfere withthe CT and MRI reexaminations. 展开更多
关键词 NITI SHAPE MEMORY alloy BOW STAPLE CRANIOPLASTY
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