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材料导报  2019, Vol. 33 Issue (z1): 432-435    
  金属与金属基复合材料 |
微创血管夹不同齿型对血管力学性能的影响
崔海坡1, 张伟东1, 宋成利1, 王成勇2, 张涛2,3, 张春晓1, 程千莉1
1 上海理工大学现代微创医疗器械及技术教育部工程研究中心,上海200093
2 广东工业大学机电工程学院,广州510000
3 宜安新材料研究院,东莞 523662
Effect of Different Sawtooth Types of Minimally Invasive Vascular Clamp on Vascular Mechanical Properties
CUI Haipo1, ZHANG Weidong1, SONG Chengli1, WANG Chengyong2, ZHANG Tao2,3, ZHANG Chunxiao1, CHENG Qianli1
1 Shanghai Institute for Minimally Invasive Therapy, University of Shanghai for Science and Technology, Shanghai 200093
2 Institute of Manufacturing Technology, Guangdong University of Technology, Guangzhou 510000
3 Institute of Eontech New Materials Co., Ltd., Dongguan 523662
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摘要 基于有限元分析软件ANSYS,对医用不锈钢微创血管夹夹持小动脉血管过程进行了有限元仿真分析,研究了斜齿、横齿、凹凸齿、嵌入齿及对称齿等五类不同齿型对所夹持小动脉血管力学性能的影响规律。结果表明,微创血管夹在夹持血管过程中,被夹持血管的等效应力随斜齿倾斜角度的增大而增大,即当倾斜角度为0°时,血管的等效应力最小;对横齿下齿长度为0.2 mm、0.3 mm、0.4 mm这三组数据而言,选取下齿长度为0.2 mm时血管等效应力最小;对凹凸齿、嵌入齿及对称齿这三种竖齿而言,选择嵌入齿时,血管的等效应力最小。综合对比分析结果表明,在所分析的五类不同齿型中,嵌入齿的夹持效果最优。
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崔海坡
张伟东
宋成利
王成勇
张涛
张春晓
程千莉
关键词:  医用不锈钢  血管夹  等效应力  有限元分析    
Abstract: Based on the finite element analysis software ANSYS, simulation analysis was carried out on the process of clampping the arterywith minimally invasive vascular clamp made of medical stainless steel.The effects of 5 types of sawteeth, inclined, transverse, concave-convex, embedded and symmetrical, on the mechanical properties of artery were studied.The results show that the equivalent stress of the clamped vessel increases with the increase of the inclined angle of the inclined sawtooth during the clamping process. The equivalent stress of the vessel is the smallest for the inclined angle being 0o. For the 3 different transverse sawtoothlengths of 0.20 mm, 0.30 mm and 0.40 mm, the equivalent stress of the vessel is the smallest at 0.20 mm.For 3 kinds of vertical sawteeth, concave-convex, embedded and symmetrical, the equivalent stress of vessel is the smallest when choosing embedded sawtooth.The comprehensive analysis results show that the clamping effect of the embedded sawtooth is the best among the 5 types of sawteeth.
Key words:  medical stainless steel    vascular clamp    equivalent stress    finite element analysis
               出版日期:  2019-05-25      发布日期:  2019-07-05
ZTFLH:  TB333  
基金资助: 国家自然科学基金(51377024;51735003)
作者简介:  崔海坡,上海理工大学副教授,硕士研究生导师。2006年博士毕业于南京航空航天大学后一直在上海理工大学任教。在国内外学术期刊上发表论文70余篇,申请国家发明专利28项,其中21项已授权。研究工作主要围绕各种生物材料,开展关于材料设计、制备及其应用方面的研究,主持包括国家自然科学基金青年项目、航空科学基金项目、上海市教委科研项目等。h_b_cui@163.com
引用本文:    
崔海坡, 张伟东, 宋成利, 王成勇, 张涛, 张春晓, 程千莉. 微创血管夹不同齿型对血管力学性能的影响[J]. 材料导报, 2019, 33(z1): 432-435.
CUI Haipo, ZHANG Weidong, SONG Chengli, WANG Chengyong, ZHANG Tao, ZHANG Chunxiao, CHENG Qianli. Effect of Different Sawtooth Types of Minimally Invasive Vascular Clamp on Vascular Mechanical Properties. Materials Reports, 2019, 33(z1): 432-435.
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