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相关实验视频

Updated: Jun 24, 2025

Three-Dimensional Printing of a Complex Aortic Anomaly
03:40

Three-Dimensional Printing of a Complex Aortic Anomaly

Published on: November 1, 2018

6.7K

使用3D打印制造一个人工动脉树.

Wisam S Hacham1, Ashraf W Khir2

  • 1Mechatronics Engineering Department, Al-Khwarizmi College of Engineering, University of Baghdad, Baghdad, Iraq.

Heliyon
|June 13, 2024
PubMed
概括

这项研究介绍了一种使用膠打印的新型3D打印人工動脈樹 (AAT). 该AAT精确地模仿了人类动脉尺寸,使得心脏辅助设备和血液动力学调查的有效体外测试成为可能.

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科学领域:

  • 生物医学工程 生物医学工程
  • 心血管研究研究心血管研究
  • 材料科学 材料科学 材料科学

背景情况:

  • 人工动脉树 (AAT) 对于研究心血管力学和测试医疗器械至关重要.
  • 以前的AAT制造方法 (浸泡,涂漆) 导致墙壁厚度不准确,尺寸不一致.
  • 现有模型的局限性阻碍了对复杂心血管状况的体外研究.

研究的目的:

  • 开发一个生理精确的3D打印的人工动脉树 (AAT).
  • 利用3D打印精确制造最大的45个人类动脉细分.
  • 创建一个具有成本效益的平台,用于测试机械心脏辅助设备和血液动力学研究.

主要方法:

  • 使用3D打印来制造AAT,使用 (98%) 和催化剂 (2%) 混合物.
  • 在一个闭环液压系统中验证了AAT,其中有一个活塞模拟心脏和毛细血管管模拟动脉阻力.
  • 对各种AAT段进行了拉伸测试,以确定墙壁材料特性 (Young的模量).

主要成果:

  • 通过3D打印的AAT成功地复制了类似生物体的压力,直径和流速波形.
  • 制造技术导致精确和一致的动脉壁厚度.
  • 开发的模型在液压性能方面表现出了生理学上的忠实性.

结论:

  • 3D打印提供了一个低成本,准确的方法来创建人工动脉树.
  • 这种新型的AAT可以促进机械心脏辅助器件的体外测试.
  • 该模型是血液动力学调查和研究心血管病理的宝贵工具.
关键词:
通过3D打印打印3D打印.人工动脉树是一种人造动脉树.催化剂固化 催化剂固化在体外模型模型.模拟循环循环的模拟循环.皮的是一种.

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