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聚氨酯动脉假体的弹性特性。

The elastic properties of a polyurethane arterial prosthesis.

作者信息

How T V, Clarke R M

出版信息

J Biomech. 1984;17(8):597-608. doi: 10.1016/0021-9290(84)90091-5.

DOI:10.1016/0021-9290(84)90091-5
PMID:6490672
Abstract

The relationship between the mechanical properties of a fibrous polyurethane arterial prosthesis and the graft manufacturing process variables was studied from uniaxial tensile tests. A non-linear model was used to characterize the cylindrical elastic properties. Experiments on cylindrical segments were carried out to determine the constitutive constants and to assess the applicability of the model to the polyurethane graft. The compliance of 4 mm internal diameter grafts with various wall-thicknesses was predicted. The results were used to produce grafts with compliance matched to that of the carotid and femoral arteries.

摘要

通过单轴拉伸试验研究了纤维状聚氨酯动脉假体的力学性能与移植物制造工艺变量之间的关系。使用非线性模型来表征圆柱形的弹性特性。对圆柱形节段进行实验以确定本构常数,并评估该模型对聚氨酯移植物的适用性。预测了不同壁厚的内径为4mm移植物的顺应性。结果被用于制造顺应性与颈动脉和股动脉相匹配的移植物。

相似文献

1
The elastic properties of a polyurethane arterial prosthesis.聚氨酯动脉假体的弹性特性。
J Biomech. 1984;17(8):597-608. doi: 10.1016/0021-9290(84)90091-5.
2
Viscoelastic behavior of polyurethane vascular prostheses.聚氨酯血管移植物的粘弹性行为。
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On matching compliance between canine carotid arteries and polyurethane grafts.关于犬颈动脉与聚氨酯移植物之间的匹配顺应性。
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Compliance effects on small diameter polyurethane graft patency.顺应性对小口径聚氨酯移植物通畅性的影响。
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Elastic properties and strength of a novel small-diameter, compliant polyurethane vascular graft.一种新型小直径、柔顺性聚氨酯血管移植物的弹性特性和强度
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[Effect of preparation conditions for small-diameter artificial polyurethane vascular graft on microstructure and mechanical properties].小口径人工聚氨酯血管移植物制备条件对微观结构和力学性能的影响
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Implantation of novel small-diameter polyurethane vascular prostheses interposed in canine femoral and carotid arteries.新型小直径聚氨酯血管假体植入犬股动脉和颈动脉。
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Experimental studies on application of small-caliber vascular prosthesis produced by polyurethane.聚氨酯制备小口径血管假体应用的实验研究
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J Mater Sci Mater Med. 2002 Mar;13(3):259-64. doi: 10.1023/a:1014054716444.
2
Computer-aided vascular experimentation: a new electromechanical test system.计算机辅助血管实验:一种新型机电测试系统。
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