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相关概念视频

Cardiac Catheterization I: Pre-Procedure Overview01:28

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Cardiac Catheterization II: Right Heart Catheterization01:21

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
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Cardiac Catheterization III: Left Heart Catheterization01:24

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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相关实验视频

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Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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在机器人辅助心脏导管治疗中精确运动的混合控制算法.

Naman Gupta1,2, Ranjan Jha1,2

  • 1Council of Scientific and Industrial Research (CSIR)-Central Scientific Instruments Organisation, Chandigarh, India.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine
|October 21, 2025
PubMed
概括

这项研究引入了用于机器人辅助心脏导管的混合控制算法,显著提高了运动精度和稳定性. 送前传PID控制器确保了精确的导管导航,增强了心血管干预.

关键词:
控制算法的控制算法主 - 奴隶机器人系统机器人辅助心脏导管治疗机器人辅助手术是机器人辅助的手术导管运动的速度和角度.

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科学领域:

  • 心血管干预 心血管干预
  • 机器人在医学中的机器人
  • 控制系统工程 控制系统工程

背景情况:

  • 心血管疾病是全球主要的健康问题.
  • 机器人辅助心脏导管治疗提供了精确性,但需要先进的控制.
  • 现有系统在运动准确性和稳定性方面面临挑战.

研究的目的:

  • 开发和验证用于增强机器人辅助心脏导管的混合控制算法.
  • 为了提高导管操纵的准确性,稳定性和响应性.
  • 为了减少实时心血管干预中的跟踪错误.

主要方法:

  • 实施混合控制算法,特别是一个前PID (FFPID) 控制器.
  • 集成高精度机械系统 (基于滚筒的,轮驱动的,皮带轮) 用于导管操纵.
  • 使用弹载荷力动力学来估计扭矩和实验验证.

主要成果:

  • FFPID控制器展示了卓越的运动精度,优化了超速和定位时间.
  • 实现了精确的转换运动 (大约. 1毫米/秒) 和旋转运动 (0.9°/脉冲).
  • 实验验证显示出最小的位移误差 (RMSE < 0.017 mm,R2 = 0.999) 和角精度 (RMSE < 0.11°,超越 < 1%).

结论:

  • 在机器人辅助心脏手术中,FFPID控制器有效用于实时导管控制.
  • 混合控制策略提高心血管干预的精度,稳定性和效率.
  • 这项研究为更智能,更自主的心血管外科系统铺平了道路.