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技术说明:3D打印的MRI兼容的注射器.

Martin D Holland1, Seth Lee2, Harrison Kim2

  • 1Interdisciplinary Engineering, The University of Alabama at Birmingham, Birmingham, Alabama, USA.

Medical physics
|October 3, 2023
PubMed
概括
此摘要是机器生成的。

这项研究开发了一种具有成本效益的,MRI兼容的注射器 (MSP),用于同时向多个受试者提供对比剂. 在扫描期间,便携式MSP可靠地在MRI孔内注入剂.

关键词:
通过3D打印打印3D打印.这就是为什么MRI是MRI.一个注射器的注射器

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科学领域:

  • 医学成像技术 医学成像技术
  • 生物医学工程 生物医学工程
  • 放射学 放射学是一门学科.

背景情况:

  • 传统的MRI对比剂的电源注入器是昂贵的,并且只用于一个对象.
  • 现有的多注射器是非MRI兼容的,需要远程放置.
  • 需要一个负担得起的,用于多个主体注射的内孔解决方案.

研究的目的:

  • 开发一个具有成本效益,用户友好和可靠的注射器的原型,用于内孔MRI使用.
  • 为了使扫描过程中同时向多个受试者提供对比剂.
  • 为了克服当前MRI注射系统的局限性.

主要方法:

  • 设计和3D打印了一种MRI兼容的注射器 (MSP),能够注入多达三个注射器.
  • 使用可互换轮和可调节的发弹长度控制注射速度.
  • 评估了三种轮比率和十种发弹长度的注入速率,计算了平均值和标准偏差.

主要成果:

  • 实现了0.209 ± 0.003毫升/秒,0.411 ± 0.002毫升/秒和0.625 ± 0.006毫升/秒的体积注入速率,使用不同的变速比.
  • 证明了对注射速率的精确控制,在调整中具有高相关性 (r > 0.96) 和低p值 (< 0.001).
  • 在注射速率测量中报告了较低的变化系数 (0.727 ± 0.346%),表明了可靠性.

结论:

  • 开发的MRI兼容注射器 (MSP) 是一个便携式可靠的设备.
  • 在扫描过程中,MSP可以同时向MRI孔内的多个受试者输送液体剂.
  • 这项技术为先进的核磁共振手术提供了成本效益高且实用的解决方案.