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Suitability of developed composite materials for meniscal replacement: Mechanical, friction and wear evaluation.
Journal of the Mechanical Behavior of Biomedical Materials ( IF 3.3 ) Pub Date : 2018-09-18 , DOI: 10.1016/j.jmbbm.2018.09.025
Adijat Omowumi Inyang 1 , Tamer Abdalrahman 1 , Deon Bezuidenhout 2 , James Bowen 3 , Chistopher Leonard Vaughan 1
Affiliation  

The meniscus is a complex and frequently damaged tissue which requires a substitute capable of reproducing similar biomechanical functions. This study aims to develop a synthetic meniscal substitute that can mimic the function of the native meniscus.

Medical grade silicones reinforced with nylon were fabricated using compression moulding and evaluated for mechanical and tribological properties. The optimal properties were obtained with tensile modulus increased considerably from 10.7 ± 2.9 MPa to 114.6 ± 20.9 MPa while compressive modulus was found to reduce from 2.5 ± 0.6 MPa to 0.7 ± 0.3 MPa. Using a tribometer, the coefficient of friction of 0.08 ± 0.02 was measured at the end of the 100,000 cycles.

The developed composite could be an auspicious substitute for the native meniscus and the knowledge gained from this study is useful as it enhances the understanding of a potentially suitable material for meniscal implants.



中文翻译:

已开发的复合材料用于半月板置换的适用性:机械,摩擦和磨损评估。

半月板是复杂且经常受损的组织,需要能够复制类似生物力学功能的替代物。这项研究旨在开发可模拟天然半月板功能的合成半月板替代品。

使用压缩成型法制造了用尼龙增强的医用级有机硅,并对其机械和摩擦学性能进行了评估。获得最佳性能,其拉伸模量从10.7±2.9 MPa显着增加到114.6±20.9 MPa,而压缩模量从2.5±0.6 MPa降低到0.7±0.3 MPa。使用摩擦计,在100,000次循环结束时测得的摩擦系数为0.08±0.02。

研制的复合材料可以替代天然的半月板,从这项研究中获得的知识是有用的,因为它可以增进对半月板植入物潜在的合适材料的了解。

更新日期:2018-09-18
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