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Three-Dimensional Force System

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...

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相关实验视频

Updated: Jul 6, 2026

Precision Measurements and Parametric Models of Vertebral Endplates

Precision Measurements and Parametric Models of Vertebral Endplates

Published on: September 17, 2019

使用3D打印的C2-C3椎模型与嵌入式传感器阵列评估压力分布的新方法.

Maohua Lin¹, Rudy Paul¹, Xinqin Liao²

¹Department of Ocean and Mechanical Engineering, Florida Atlantic University, Boca Raton, FL 33431, USA.

Sensors (Basel, Switzerland)

|December 9, 2023

概括

这项研究引入了一种新的传感器阵列,用于测量椎和植入物之间的压力. 这项技术有助于优化外科植入物,潜在地减少患者的疼痛和医疗保健成本.

关键词:

在3D打印中使用3D打印.ACDF ACDF ACDF ACDF ACDF ACDF ACDF ACDF ACDF ACDF ACDF ACDF 宫脊椎宫脊椎是什么意思有限元分析是有限元分析.传感器阵列是一系列的传感器阵列.

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Published on: April 14, 2023

相关实验视频

Last Updated: Jul 6, 2026

Precision Measurements and Parametric Models of Vertebral Endplates

Precision Measurements and Parametric Models of Vertebral Endplates

Published on: September 17, 2019

Pedicle Screw Placement Using an Augmented Reality Head-Mounted Display in a Porcine Model

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Published on: May 24, 2024

3D Printing Model of a Patient's Specific Lumbar Vertebra

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Published on: April 14, 2023

科学领域:

生物医学工程生物医学工程
整形外科手术整形外科手术
医疗器械设计医疗器械设计

背景情况:

椎退行性磁盘疾病,如骨髓病变和根基病变,需要人工椎磁盘置换和前椎切除和融合 (ACDF) 等治疗.
对于有效的医疗器械设计,准确的关于脊椎和植入器件之间的力量的生物力学数据至关重要,但需要进一步调查.
当前的方法可能无法完全捕捉动态脊柱运动期间的复杂的力量相互作用.

研究的目的:

开发和验证一种用于评估椎和植入器件之间的压力的新方法.
评估一个集成到3D打印的椎脊柱模型中的传感器阵列在各种生理负荷条件下的有效性.
将实验传感器数据与来自3D有限元 (FE) 模型的预测进行比较.

主要方法:

使用3D打印的C2-C3椎脊柱模型,嵌入传感器阵列来测量脊椎间压力.
该模型承受了模拟曲,延伸,曲和压缩的轴承负荷,机器人手臂重现了脊椎的自然运动.
对C2脊椎施加预负荷,并开发了一个3D FE数值模型来验证和预测压力分布.

主要成果:

嵌入式传感器阵列在识别脊椎和植入器件之间的静态压力方面表现出实用性.
在所有测试条件下,实验压力测量与FE模型预测的相关性很好,验证了FE模型的有效性.
这项研究成功地重现了脊柱的自然运动,并对3D打印模型施加了受控负荷.

结论:

开发的传感器阵列显示了改善椎脊柱植入物的设计和选择的重大前景.
这项技术有可能减少手术过程中的试错,例如多层次人造宫盘置换和ACDF.
通过提供准确的生物力学见解,传感器阵列可能会导致减少患者的疼痛,痛苦和相关的医疗保健成本.