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相关概念视频

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

476
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
476
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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相关实验视频

Updated: Sep 9, 2025

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
13:48

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound

Published on: April 21, 2023

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冠状动脉旋转动脉切除术中的前性血管内超声波成像:发展和性能评估

Zhaoju Zhu, Ziyu Cui, Peiwen Huang

    IEEE transactions on bio-medical engineering
    |September 2, 2025
    PubMed
    概括

    集成到旋转切除器件中的前性血管内超声波 (FL-IVUS) 提供实时成像反. 这提高了治疗化阻塞的手术精度,并降低了并发症的风险.

    科学领域:

    • 心血管干预
    • 医学成像技术
    • 生物医学工程

    背景情况:

    • 冠状动脉旋转切除术 (CRA) 对于治疗化动脉阻塞至关重要.
    • 在CRA过程中缺少实时血管内成像可能导致不理想的参数设置和手术并发症.
    • 面向前方的血管内超声波 (FL-IVUS) 在成像严重化或封闭血管方面具有独特的优势.

    研究的目的:

    • 开发和评估一个视觉旋转手术仪器,其中包含FL-IVUS用于CRA期间的手术内反.
    • 研究传感器角度参数对FL-IVUS导管图像质量的影响.
    • 评估综合FL-IVUS系统在各种幻体和活体组织中的成像性能.

    主要方法:

    • 设计和制造的FL-IVUS成像导管,前视角为30°,45°和60°.
    • 使用线形影像,活体猪大动脉,血管影像模型和化组织替代品评估成像性能.
    • 评估传感器倾斜角度对空间分辨率和透深度的影响.

    主要成果:

    • FL-IVUS成像显示出令人满意的性能可视化猪大动脉组织.
    • 具有不同倾斜角度的传感器表现出相似的性能和分辨率.
    • 增加光束对轴方向的角度提高了空间分辨率,但降低了透深度.

    更多相关视频

    Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery
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    Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery

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    Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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    Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

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    相关实验视频

    Last Updated: Sep 9, 2025

    Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
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    Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound

    Published on: April 21, 2023

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    Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery
    06:18

    Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery

    Published on: December 6, 2024

    698
    Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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    Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

    Published on: January 15, 2022

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    结论:

    • 集成的FL-IVUS旋转切割装置提供有效的内腔信息反.
    • 这项技术有助于优化参数设置和在CRA过程中评估旋转研磨.
    • 微型,集成的FL-IVUS旋转器件可提供实时超声波反,可能降低手术风险.