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相关实验视频

Updated: Sep 13, 2025

Robotic Ablation of Atrial Fibrillation
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可编程的合规跨光线切除装置用于不规则的远程小病变.

Ruizhe Hou1, Hongying Wang1, Jincheng Zou1

  • 1School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, P.R. China.

iScience
|July 31, 2025
PubMed
概括

一个新的机器人设备为难以到达的动脉样硬化病变提供了精确的,自动化的治疗. 这种多通道,多层次的无线电频率系统实现了亚毫米准确度,用于对不规则目标的合规切除.

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科学领域:

  • 生物医学工程 生物医学工程
  • 最少侵入性的手术
  • 医疗器械 医疗器械

背景情况:

  • 微手术的进步使人能够在体内接触到微损伤.
  • 对小,形状不规则或位置偏远的病变,特别是动脉样硬化病变的合规治疗仍然是一个重大挑战.

研究的目的:

  • 开发和验证可编程的合规透光除装置,用于自动治疗不规则的远程病变.
  • 为了实现精确的,以次毫米准确度的有针对性的切除.

主要方法:

  • 多通道和多级 (MCML) 无线电频率 (RF) 系统的设计与RF气球和循环低温流集成.
  • 实现基于多物理的算法,以优化基于目标特征向单个电极输送射频能量.
  • 验证使用可见损伤的幻影和猪体外活体.

主要成果:

  • 开发的设备成功地执行了不同形状和位置的不规则病变的自动化,合规性切除.
  • 切除的区域与目标病变边界密切匹配.
  • 该系统在能量传递和损伤向方面表现出次毫米精度.

结论:

  • 可编程的合规透光切除装置为治疗复杂动脉样硬化病变提供了可行的解决方案.
  • 该系统的精度和自动化能力有望在未来用于其他透光治疗,包括肺癌和膀癌的应用.
关键词:
应用科学 应用科学卫生科学 卫生科学自然科学 自然科学

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