Relationship between morphological parameters of cancellous bone and its mechanical properties

2010 IEEE EMBS Conference on Biomedical Engineering and Sciences (IECBES) Pub Date : 2010-11-01 DOI:10.1109/IECBES.2010.5742256

A. Syahrom, M. A. Abdul Kadir, D. Muslim

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引用次数: 2

Abstract

Relationship between osteoporosis and failure mechanism can be assessed through quantitative bone quality and clinical studies. Characterization and functional studies in this area is vital to identify patients at risk of bone fractures. Identification of elastic bone modulus can be done using several methods including mechanical testing and correlations between microarchitectural parameters. In this study, compressive testing was done until failure on bovine cancellous bone extracted from the neck of femur. A thorough experimental protocol was used for extraction and cleaning of cylindrical bone samples. Three cylindrical bovine cancellous bone specimens were obtained from the femoral cadaver for the experiment. The specimens have a diameter of 10mm and a total length of 25 mm with an effective length for experiment of 15 mm. After extraction of the bone samples, the marrow was removed from the hard tissue by immersing in an ultrasound cleaner and then vacuumed. Results showed strong relationships between volume fraction and mechanical properties of cancellous bone. However, there is a weak relationship between the bulk density and the mechanical properties.

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松质骨形态参数与力学性能的关系

骨质疏松症与衰竭机制的关系可通过定量骨质量和临床研究来评估。这一领域的特征和功能研究对于识别有骨折风险的患者至关重要。弹性骨模量的鉴定可以通过几种方法来完成，包括力学测试和微结构参数之间的相关性。在本研究中，对从股骨颈提取的牛松质骨进行了压缩试验直到失败。采用完整的实验方案提取和清洗圆柱形骨样品。从股骨尸体上获得3个圆柱形牛松质骨标本进行实验。试件直径10mm，总长25mm，试验有效长度15mm。提取骨样本后，将骨髓浸泡在超声波清洗机中，然后抽真空。结果表明，松质骨的体积分数与力学性能有密切关系。然而，堆积密度与力学性能之间的关系很弱。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2010 IEEE EMBS Conference on Biomedical Engineering and Sciences (IECBES)

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