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相关概念视频

Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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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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Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
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相关实验视频

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Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
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可曲的分相阵列超声传感器用于在曲的表面上进行成像.

Shizhen Yin1,2,3, Han Zhang4,5, Fangfang Shi5,6

  • 1State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China.

ACS nano
|February 20, 2025
PubMed
概括

这项研究介绍了一种新型可曲相阵列超声传感器 (PAUT),具有恒定度保存设计,用于在曲表面进行改进的非破坏性测试. 这一创新通过保持一致的元素间距来确保准确的超声波成像.

关键词:
曲的表面表面的曲线.灵活的电子产品灵活的电子产品非破坏性测试是指非破坏性测试.阶段阵列传感器的变频器.超声波成像技术 超声波成像

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Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time
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科学领域:

  • 非破坏性测试是一种非破坏性测试.
  • 材料科学 材料科学 材料科学
  • 生物医学工程 生物医学工程

背景情况:

  • 灵活的阶段阵列超声传感器 (PAUT) 对于各种应用中的非破坏性测试至关重要.
  • 可伸缩的PAUT在复杂的曲线上表现出色,但在可变元素音调和实时音调测量方面却存在困难.
  • 可曲的PAUT提供了更实用的工程解决方案,尽管在音调变化方面存在局限.

研究的目的:

  • 推出一款具有创新性的可曲PAUT,采用恒定点保存 (CPP) 设计.
  • 为了应对曲面应用的柔性PAUT中可变元素距离的挑战.
  • 为了提高超声波束方向和聚焦不均表面的精度.

主要方法:

  • 开发了一种灵活的12x12形复合材料元素阵列,与结合.
  • 实施了恒定音位保存 (CPP) 设计,以保持统一的元素音位.
  • 每个压电元件的内置个别支和匹配块.

主要成果:

  • CPP 设计允许传感器适应不同的曲率,同时保持恒定的元素距离.
  • 启用了精确的渐进时间延迟,用于精确的超声波束方向和聚焦.
  • 实验脉冲回声检查和部门扫描显示了高质量的成像能力.

结论:

  • 具有CPP设计的新型可曲PAUT有效地克服了传统柔性PAUT的局限性.
  • 这项技术可以在复杂的曲面上进行准确的非破坏性测试.
  • 该设计提高了高级应用程序的检测性能和成像质量.