|本期目录/Table of Contents|

[1]吴水培,俞立新,于凤宾,等.外踝缺损修复与重建前后力学变化的 对比研究[J].医学研究与战创伤救治(原医学研究生学报),2009,11(06):481-484.
 WU Shui-pei,YU Li-xin,YU Feng-bin,et al.Biomechanical changes of lateral malleolus defect before and after reconstruction[J].JOURNAL OF MEDICALRESEARCH —COMBAT TRAUMA CARE,2009,11(06):481-484.
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外踝缺损修复与重建前后力学变化的 对比研究()

《医学研究与战创伤救治》(原医学研究生学报)[ISSN:1672-271X/CN:32-1713/R]

卷:
第11卷
期数:
2009年06期
页码:
481-484
栏目:
出版日期:
2009-11-20

文章信息/Info

Title:
Biomechanical changes of lateral malleolus defect before and after reconstruction
文章编号:
1672-271X(2009)06-0481-04
作者:
吴水培俞立新于凤宾周 嵘朱亚中朱新宏
解放军第98医院全军创伤骨科修复重建中心,浙江湖州 313000
Author(s):
WU Shui-peiYU Li-xinYU Feng-binZHOU Rong ZHU Ya-zhong ZHU Xin-hong
Trauma Orthopedic Repair and Reconstruction Center of PLA, the 98th Hospital of Nanjing Military Region, Huzhou 313000, Zhejiang,China
关键词:
外踝修复重建跖骨
Keywords:
Lateral malleolus RepairReconstruction Metatarsal bone
分类号:
R318.01
DOI:
-
文献标志码:
A
摘要:
目的 测试创伤外踝缺损修复与重建前后的生物力学变化,为临床应用提供理论依据。方法 采集12具国人新鲜冰冻下肢足标本,解冻后模拟外科手术,人为造成外踝骨缺损,然后采用第二跖骨底骨瓣重建外踝。实验分组:A组为外踝缺损组;B组为第二跖骨瓣修复外踝组;C组为对照组。建立模型分别进行载荷-应变、载荷-位移、强度、刚度、接触特征等变化的力学测试。结果 ①1 000 N负荷时踝关节载荷-应变及刚度、强度变化,A组与B组相差显著(P<0.05)。②1 000 N负荷时接触特征测量, A组接触面积小于B组(P<0.05),A组接触压力大于B组(P<0.05)。结论 外踝缺损可造成踝关节严重失稳,采用第二跖骨底骨瓣修复重建能恢复踝关节的“鞍形”结构和稳定性,是可行的新方法。
Abstract:
Objective To measure biomechanical changes of lateral malleolus defect before and after reconstruction. Methods 12 fresh freezing limb specimens were experimentally tramatized to result in lateral malleolus defect. Three metatarsal base bone flaps repairing lateral malleolus was carried on. Test groups were divided into two groups: the group of lateral malleolus defect (group A ), and the group of lateral malleolus after reconstruction (group B), and the group of collecting data and doing analysis (group C). Modals were built to test out the mechanics changes through loading strain-reaction, loading strain displacement, strength and rigid respectively. Results The change of loading-strain, rigid and strength under 1 000 N showed significant difference between group A and group B(P<0.05). The contact area of group A was less than group B under 1 000 N(P<0.05). The contact pressure of group A was more than group B (P<0.05). Conclusion The defect of lateral malleolus can lead to severe instability of ankle, and can be recovered its stability by using the second metatarsal base bone flap. This is an effective operative method.

参考文献/References:

[1]吴水培.腓骨小头复合皮瓣重建足前掌部缺损的生物力学实验与临床研究[J].医用生物力学,1998,13(2):124-128.
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[3]俞立新,张发惠,吴水培,等.第2跖骨底复合组织瓣修复外踝复合组织缺损的基础与临床[J].中国临床解剖学杂志,2007,25(1):95-97.
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[6]徐向峰,谢瑞卿,张绍安,等. 踝关节周围骨折脱位并距骨骨软骨损伤17例[J]. 骨与关节损伤杂志,2007,22(8):696.
[7]俞立新,高建明,吴水培.带血供第2跖骨底移植重建外踝的解剖学基础[J].中国临床解剖学杂志,2002,20(6):429-430.
[8]张发惠,林永绥,张国栋,等. 带血供第2跖骨瓣重建外踝缺损的应用解剖[J]. 解剖与临床,2005,10(1):21-24.

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备注/Memo

备注/Memo:
南京军区“十一五”医药卫生科研基金课题(06Z05)
更新日期/Last Update: 2013-11-20