脊柱生物力学的离轴负载固定装置:联合压缩和曲
Axel C Moore1, Dione A Holder2, Dawn M Elliott2
1Department of Biomedical Engineering, University of Delaware, STAR Health Sciences Complex, Room 109 540 S. College Ave, Newark, DE 19713.
Journal of biomechanical engineering
|June 20, 2023
概括
研究人员开发了一种负担得起的脊柱测试系统,即离轴加载装置 (OLaF),用于生物力学研究. 这种具有成本效益的设备可以在脊柱样本上进行精确的压缩和曲测试,并且需要最小的技术专业知识.
科学领域:
- 生物力学 生物力学
- 肌肉骨系统 运动器官系统
- 医疗器械开发 医疗器械开发
背景情况:
- 脊柱生物力学研究往往需要昂贵,复杂的多轴测试系统.
- 现有系统的成本可能超过20万美元,或者需要大量的机械机械专业知识来定制构建.
- 需要易于使用,易于使用的设备来研究脊柱功能.
研究的目的:
- 开发一个具有成本效益的脊柱测试系统,用于压缩和曲 (曲延伸,横向曲).
- 创建一个需要最小的技术知识和设置时间的系统.
- 为了使脊柱组织的生理学相关的生物力学测试.
主要方法:
- 设计并实施了与现有的单轴测试框架兼容的离轴负载固定装置 (OLaF).
- 使用现成的部件和最小的加工,将总成本降低到10,000美元以下.
- 使用移动捕捉验证了系统动力学,并验证了其适应相关脊柱负荷的能力.
主要成果:
- OLaF系统成功地应用了轴向压缩和生理学上相关的曲时刻.
- 动力学验证证实了准确的初级运动复制与最小化的次要约束.
- 该系统以高质量的数据证明了可重复的生物力学测试.
结论:
- OLaF是一种低成本,用户友好的解决方案,用于压缩和曲下脊柱样本的生物力学测试.
- 这一系统大大降低了开展脊柱研究的财务和技术障碍.
- OLaF提供了一种可行的方法,用于为脊柱研究生成可重复的,高质量的生物力学数据.
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