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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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在超声波成像中检测微气泡,通过使用相位图案波来检测.

Junseok An1, Naohiro Sugita2, Tadahiko Shinshi2

  • 1Department of Mechanical Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan.

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阶段模式波 (PPWs) 在超声波成像中显著增强微泡 (MB) 检测. 这种新的方法通过增加检测到的MBs,减少获取时间和增强诊断能力来改善微血管映射.

关键词:
泡检测 泡检测 泡检测 泡检测气泡振荡波动的波动是什么泡 泡 相互作用阶段模式超声波波的超声波.超高分辨率的超声波学.超声波对比剂 超声波对比剂

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科学领域:

  • 医疗成像医学成像
  • 声学 声学 在声学方面
  • 生物医学工程 生物医学工程

背景情况:

  • 超分辨率超声波对于在疾病诊断中可视化微血管至关重要.
  • 微气泡 (MBs) 被用作微血管映射的对比剂,但它们的低可检测性和稀释度会延长获取时间.
  • 目前的方法在检测所有微气泡方面存在局限性,这影响了微血管映射的效率.

研究的目的:

  • 为了提高超声波成像中微气泡 (MBs) 的检测能力.
  • 为了缩短微血管映射所需的声学数据采集时间.
  • 用超声波提高泡检测的整体效率.

主要方法:

  • 建议使用相模波 (PPWs) 在碰撞光束中具有空间模式相分布.
  • 研究了PPW对微泡振荡响应和分散波产生的影响.
  • 应用PPW进行超声波成像模拟和实验幻象与固定MBs.

主要成果:

  • 使用两种类型的PPW与传统的超声波照射一起,增加了多达93.3%的MB检测.
  • PPWs增强了MBs的振荡响应,导致更显著的分散波.
  • 证明了以前无法通过常规方法检测到的MB的改进检测.

结论:

  • 用PPW增强的超声波成像显著增加了检测到的微泡的数量.
  • 预计这种增强将大大提高微泡检测和微血管映射的效率.
  • PPW 提供了一种有前途的方法来克服当前基于超声波的微血管成像技术的局限性.