CAJ | 학술논문

背景:作者前期研究表明U形接骨板可以对骨折断端进行持续加压,使骨折部位处在最佳应力环境中.促进骨折愈合.目的:测试并评估改良型U形接骨板的承载能力.设计、时间及地点:单一样本实验,1990-12/2001-04在中南大学材料力学实验室完成.材料:普通接骨板为江苏金鹿集团产品,AO钢板和动力加压接骨板为瑞士MATHYS医疗器械有限公司产品.U型接骨板为在普通接骨板中部增设一个U形臂(专利号012497304).方法:通过力学测试.了解U形接骨板的抗弯、抗扭能力,验证理论计算,并与普通接骨板、AO钢板和动力加压接骨板作比较.主要观察指标:抗弯承载能力,抗扭承载能力.结果:U形接骨板较普通型AO钢板及动力加压接骨板在矢状面的抗弯承载能力分别提高107.5%及21.5%,抗扭承载能力分别提高406%及58%;较LC-DCP(限制接触型AO钢板)抗扭承载能力提高31.9%.结论:与现用AO钢板及加压接骨板相比,自制改良U形接骨板具有更大的强度和刚度.
배경:작자전기연구표명U형접골판가이대골절단단진행지속가압,사골절부위처재최가응력배경중.촉진골절유합.목적:측시병평고개량형U형접골판적승재능력.설계、시간급지점:단일양본실험,1990-12/2001-04재중남대학재료역학실험실완성.재료:보통접골판위강소금록집단산품,AO강판화동력가압접골판위서사MATHYS의료기계유한공사산품.U형접골판위재보통접골판중부증설일개U형비(전리호012497304).방법:통과역학측시.료해U형접골판적항만、항뉴능력,험증이론계산,병여보통접골판、AO강판화동력가압접골판작비교.주요관찰지표:항만승재능력,항뉴승재능력.결과:U형접골판교보통형AO강판급동력가압접골판재시상면적항만승재능력분별제고107.5%급21.5%,항뉴승재능력분별제고406%급58%;교LC-DCP(한제접촉형AO강판)항뉴승재능력제고31.9%.결론:여현용AO강판급가압접골판상비,자제개량U형접골판구유경대적강도화강도.
BACKGROUND: Authors' previous studies showed that U-shaped plate could give continuously pressure to broken ends of fractured bone and make the fractured region in an optimal environment and promote union of fracture.OBJECTIVE: To discuss the loading ability of modified U-shaped plate.DESIGN, TIME AND SETTING: The single sample experiment was performed at the Laboratory of Materials Mechanics, Central South University from December 1990 to April 2001.MATERIALS: Plain bone plate is provided by Jiangsu Jinlu, China. AO plate and dynamic compression plate are purchased from MATHYS, Switzerland. U-shaped plate is a modified plate with a U-shaped arm in the middle of a common plate (Patent number 012497304).METHODS: We measured the mechanics of experimental mode to understand the compressing and distorting ability, m test theoretic calculation and to compare with common plate, AO plate and dynamic compression plate.MAIN OUTCOME MEASURES: Bending ability and distorting ability.RESULTS: Compared with the same usage of AO-Plate and dynamic compression plate at sagittal face, the bending ability of U-shaped plate could increase respectively by 107.5% and 21.5%, and the distorting ability increase respectively by 406% and 58%. Distorting ability increased by 31.9%, compared with limited contact dynamic compress plate (LC-DCP).CONCLUSION: Modified U-shaped plate is an eligible plate of enough strength and rigidity, compared with common AO plate and compress plate.