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骶髂关节解剖型棒-板内固定系统的生物力学评价
Hits: 2363   Download times: 1505   Received:May 23, 2008    
作者Author单位UnitE-Mail
郑琦 ZHENG Qi 浙江中医药大学附属中西医结合医院,浙江 杭州 310003 Department of Orthopaedic,Red Across Hospital,Hangzhou 310003,Zhejiang,China drzhq007@sohu.com 
毕大卫 BI Da-wei 萧山区第一人民医院  
石仕元 SHI Shi-yuan 浙江中医药大学附属中西医结合医院,浙江 杭州 310003 Department of Orthopaedic,Red Across Hospital,Hangzhou 310003,Zhejiang,China  
费骏 FEI Jun 浙江中医药大学附属中西医结合医院,浙江 杭州 310003 Department of Orthopaedic,Red Across Hospital,Hangzhou 310003,Zhejiang,China  
魏威 WEI Wei 浙江中医药大学附属中西医结合医院,浙江 杭州 310003 Department of Orthopaedic,Red Across Hospital,Hangzhou 310003,Zhejiang,China  
祖罡 ZU Gang 萧山区第一人民医院  
汪翼凡 WANG Yi-fan 浙江中医药大学附属中西医结合医院,浙江 杭州 310003 Department of Orthopaedic,Red Across Hospital,Hangzhou 310003,Zhejiang,China  
王以进 WANG Yi-jin 上海大学生物力学研究所  
期刊信息:《中国骨伤》2008年21卷,第8期,第577-580页
DOI:doi:10.3969/j.issn.1003-0034.yyyy.nn.zzz
基金项目:杭州市医学重点专科专病项目(编号:2005633Q28)


目的:探讨采用新型骶髂关节解剖型棒-板内固定系统(SABP)治疗骨盆骶髂关节骨折脱位的生物力学性能。

方法:采集新鲜的冷冻尸体骨盆标本20具,造成骨盆骨折模型,采用实验应力分析方法,对SABP内固定和骶骨螺钉结合Galveston技术内固定、骶骨棒固定、重建钢板固定、骶髂关节螺钉等5种固定作对照比较,分别测定它们的刚度和强度,用以评价骨盆的稳定性。

结果:采用新型骶髂关节解剖型棒-板内固定系统治疗骨盆骶髂关节骨折脱位,较骶骨螺钉结合Galveston技术内固定、骶髂关节螺钉、重建钢板固定、骶骨棒固定其骨盆的刚度分别高10%、11%、16%、21%,强度分别高12%、14%、21%、31%;应变分别小13%、14%、22%、25%,位移分别小10%、12%、16%、20%,差异有统计学意义(P <0.05),并且超过正常人骨盆标本,但差异无统计学意义(P>0.05).

结论:采用新型SABP内固定装置治疗骨盆骨折,其强度、刚度最佳,优于其他内固定方法,是一种理想的新型内固定器械。
[关键词]:骨盆骨折  骶髂关节  脱位  骨折固定术,内  生物力学
 
A biomechanical evaluation of the sacroiliac anatomy type Bar-plate internal fixation system
Abstract:

Objective: To evaluate the biomechanical personality of the sacroiliac anatomy type Bar-plate system(SABP),which was of fixation usage to the fracture or dislocation of the sacroliliac joint.

Methods: Twenty fresh and freeze cadaver pelvises were prepared with pelvic fracture model,compared with different internal fixation systems such as Galveston technique,transiliac rod fixation,reconstruction plate and sacroiliac joint screws using experimental stress analysis methods,and then the stability of the pelvic was obtained and evaluated.

Results: Using new SABP system to treat pelvic sacroiliac joint fracture and dislocation was higher 10%,11%,16%,21% in the strength;more 12%,14%,21%,31% in rigidity;less 13%,14%,22%,25% in straining;less 10%,12%,16%,20% in shifting than the Galveston technique,transiliac rod fixation,reconstruction plate and sacroiliac joint screws,with remarkable statistic difference(P<0.05),and it was even better than cadaver p- elvis.

Conclusion: To treat pelvic facture,the fixation with new SABP system is of better strength,rigidity and stability,and the SABP system is an ideal new application.
KEYWORDS:Pelvis  Fractures  Sacroiliac joint  Dislocations  Fracture fixation,internal  Biomechanics
 
引用本文,请按以下格式著录参考文献:
中文格式:郑琦,毕大卫,石仕元,费骏,魏威,祖罡,汪翼凡,王以进.骶髂关节解剖型棒-板内固定系统的生物力学评价[J].中国骨伤,2008,21(8):577~580
英文格式:ZHENG Qi,BI Da-wei,SHI Shi-yuan,FEI Jun,WEI Wei,ZU Gang,WANG Yi-fan,WANG Yi-jin.A biomechanical evaluation of the sacroiliac anatomy type Bar-plate internal fixation system[J].zhongguo gu shang / China J Orthop Trauma ,2008,21(8):577~580
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