Experimental research on viscoelasticity of pig trachea
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摘要: 目的 对猪气管进行黏弹性测试实验研究,为研究人体气管及人工气管提供生物力学参数.方法 对猪气管膜部和软骨环部应用50～5 000 N伺服控制拉力试验机分别进行拉伸,分析其应力松弛、蠕变性质.用MATLAB软件仿真处理实验数据,得出两组数据拟合的方程,并根据方程绘制曲线.结果 得出的猪气管膜部和软骨环两组数据的方程和曲线显示:应变恒定时,应力随时间的增加呈指数衰减；应力恒定时,应变随时间的增加呈指数增加.结论 猪气管符合应力松弛和蠕变特性,为生物黏弹性软组织材料.
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Fung Y C, Springer Verlag, Berlin. Biome chanics Mechanical properties of living tissue [J]. International Journal of BioMedical Computi-ng, 1982(6):529. Peteris S, Romans L, Iveta O. Comparison of biomechanical and structural propert-yes between human aortic and pulmonary valve [J]. European Journal of Cardio-Thoracic Surgery, 2004(3):634. Z.Del Prete, S.Antoniucci, A.H.Hoffman. Viscoelastic properties of skin in Mov-13 and Tsk mice [J]. Journal of Biomechanics, 2004, (10):1491. Michael S S, Hirotsugu H, Jeanne M C. In vivo biomechanical assessment of triglycidylamine crosslinked pericardium [J]. Biomaterials, 2007, (35):5390. Satoshi K, Tatsuo N, Yasuhiko. Mechanical properties of artificial tracheas com-posed of a mesh cylinder and a spiral stent [J]. Biomaterials, 2001, (23):3085. Daniel K M, Savio L Y.W, Yoshiyuki T. The effects of refreezing on the visooel-astic and tensile properties of ligaments [J]. Journalof Biomechanics, 2006(6):1153. Scott R L, Cameron R B, Robert S S. Viscoelastic properties of the cervical spinalligaments under fast strain-rate deformations [J]. Acta Biomaterialia, 2008(1):117. 黄丽红, 马洪顺. 升主动脉黏弹性实验研究 [J]. 生物医学工程学杂志, 2003(1):382.doi: 10.3321/j.issn:1001-5515.2003.01.011.
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