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Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
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磁性千米旋转器用于机器人内血管外科手术

Shuai Wu1, Yilong Chang1, Sophie Leanza1

  • 1Department of Mechanical Engineering, Stanford University, Stanford, CA, 94305, USA.

Advanced materials (Deerfield Beach, Fla.)
|September 19, 2025
PubMed
概括

一个新的磁性驱动的千米旋转机器人在高流动血管系统中实现了快速,稳定的导航. 这种不受约束的系统通过高效的推进和多功能治疗能力来增强内血管干预.

关键词:
千万旋转器是一个千万旋转器内血管机器人 内血管机器人磁性机器人 磁性机器人机器人手术是机器人手术的一种方式.

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科学领域:

  • 生物医学工程 生物医学工程
  • 机器人技术 机器人技术 机器人技术
  • 血管医学 血管医学

背景情况:

  • 传统的内血管工具在复杂,高流量的人体血管系统中面临挑战,因为方向性和力传输有限.
  • 现有的无线机器人系统在动态,脉动的血液流环境中难以保持稳定性和控制.

研究的目的:

  • 介绍一个磁性驱动的千米旋转机器人,旨在增强导航和复杂血管系统内的多功能治疗.
  • 在高流量和曲折的血管环境中克服当前内血管工具的局限性.

主要方法:

  • 开发了一种磁力驱动的千米旋转机器人,具有空洞的圆柱体结构,螺旋和裂.
  • 利用旋转诱导的流量场来增强推进和稳定性.
  • 在模拟的高流动血管系统中展示导航能力.

主要成果:

  • 千米旋转机器人实现了23厘米/秒的游泳速度 (每秒73个身体长度),实现了快速稳定的导航.
  • 机器人在动态,脉动的血流中表现出有效的控制和稳定性.
  • 该系统展示了多功能功能,包括局部吸收,向药物输送和局部栓塞.

结论:

  • 磁性驱动的千米旋转机器人代表了无内血管干预的重大进步.
  • 它的设计克服了导航复杂血管系统的关键挑战,并提供了多功能治疗选择.
  • 这个平台对下一代的轻微侵入性血管手术充满了希望.