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[1]李維新,袁斌云.跟骨骨折鎖定鋼板內(nèi)固定與普通鋼板內(nèi)固定的有限元分析[J].中醫(yī)正骨,2013,25(04):10-11.
　LI Wei-xin*,YUAN Bin-yun.*.Finite element analysis of internal fixation with locking plate and common plate in calcaneal fractures[J].The Journal of Traditional Chinese Orthopedics and Traumatology,2013,25(04):10-11.
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跟骨骨折鎖定鋼板內(nèi)固定與普通鋼板內(nèi)固定的有限元分析()
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《中醫(yī)正骨》[ISSN:1001-6015/CN:41-1162/R]

卷:
第25卷
期數(shù):
2013年04期
頁(yè)碼:
10-11
欄目:
足踝損傷
出版日期:
2013-04-30

文章信息/Info

Title:
Finite element analysis of internal fixation with locking plate and common plate in calcaneal fractures
作者:
李維新; 袁斌云
湖南省核工業(yè)二四〇醫(yī)院,湖南 郴州 423000
Author(s):
LI Wei-xin*; YUAN Bin-yun.*
Hunan Province Nuclear Industry 240 Hospital,Chenzhou 423000,Hunan,China
關(guān)鍵詞:
跟骨 骨折 骨折固定術(shù); 內(nèi) 有限元分析
Keywords:
Calcaneus;  Fractures; bone;  Fracture fixation; internal;  Finite element analysis
摘要:
目的:通過(guò)有限元分析,對(duì)比鎖定鋼板固定和普通鋼板固定治療跟骨骨折的臨床療效。方法:通過(guò)CT掃描得到健康成年男性左側(cè)跟骨數(shù)據(jù),利用Mimics10.0軟件、Solidworks2010三維設(shè)計(jì)軟件及Ansys12.1有限元分析軟件制成跟骨骨折鎖定鋼板固定和普通鋼板固定有限元模型,分析二者在640 N、1 280 N、2 560 N及5 120 N載荷下的峰值應(yīng)力、總位移和關(guān)節(jié)面蹋陷方向位移。結(jié)果:鎖定鋼板固定模型在不同載荷下的峰值應(yīng)力、總位移和關(guān)節(jié)面蹋陷方向位移均小于普通鋼板固定模型。隨著載荷的倍增,鎖定鋼板固定模型的峰值應(yīng)力、總位移和關(guān)節(jié)面蹋陷方向位移值變化不大,普通鋼板固定模型的相應(yīng)指標(biāo)隨載荷的倍增近似成倍增加。結(jié)論:對(duì)于跟骨骨折,鎖定鋼板固定在峰值應(yīng)力、穩(wěn)定性和防止跟骨垂直方向蹋陷方面優(yōu)于普通鋼板固定。
Abstract:
Objective:To compare the clinical curative effect of internal fixation with locking plate with that of internal fixation with common plate in the treatment of calcaneal fractures through finite element analysis.Methods:The data of left calcaneus of normal adult males were collected through CT scans,and the Mimics10.0 software,Solidworks2010 software and Ansys12.1 software were used to build the finite element models of internal fixation in calcaneal fractures with locking plate and common plate,respectively.Such parameter of the models were analyzed as the peak stress,total displacement and displacement in the direction of collapse of articular surface under the load of 640 N,1 280 N,2 560 N and 5 120 N,respectively.Results:The peak stress,total displacement and displacement in the direction of collapse of articular surface for models of fixation with locking plate were all less than those for models of fixation with common plate.Along with the multiplication of loads,little change were found in the peak stress,total displacement and displacement in the direction of collapse of articular surface for models of fixation with locking plate,while above mentioned indexes doubled approximately for models of fixation with common plate.Conclusion:Fixation with locking plate is better than fixation with common plate in the peak stress,stability and prevention of calcaneus collapse in vertical direction for the calcaneal fractures.

參考文獻(xiàn)/References:

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備注/Memo

備注/Memo:
2012-06-08收稿 2012-08-28修回
更新日期/Last Update: 2013-04-30