注射参数对MRI和冷凝处理的介电性质的影响
Conor Cristant1,2, Kamal Kolasangiani2,3, Siddharth Sadanand1,2
1Department of Electrical, Computer and Biomedical Engineering, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada.
Polymers
|December 23, 2023
概括
挤出技术为磁共振成像 (MRI) 校准创建幻影提供了一个有希望的方法,与传统方法相比,显著减少了气泡形成. 这一进步提高了幻影的质量和可靠性.
科学领域:
- 医学成像物理 医学成像物理
- 材料科学 材料科学 材料科学
背景情况:
- 由于其稳定性,幻体对于磁共振成像 (MRI) 校准至关重要.
- 传统的成型模具制造方法经常引入气泡,损害了幻影的完整性.
研究的目的:
- 为了研究挤出作为一种替代的制造技术,幻影.
- 探索挤出参数对虚拟属性的影响,如空隙含量和放松时间.
主要方法:
- 开发了一种定制的双注射器挤出装置.
- 使用挤压制造的样品,并将它们与模样品进行比较.
- 分析了空隙含量,T1和T2放松时间以及介电性质.
主要成果:
- 挤出参数显著影响幻体中空隙含量.
- 增加空气含量与减少T1放松时间相关.
- 与倒样品相比,挤出样品的气泡形成减少.
结论:
- 挤出是一种可行的技术,用于制造高质量的幻影,最小的空隙.
- 了解挤出参数效应对于优化MRI应用中的幻影特性至关重要.
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