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快速体积超声波可实现组织部分的高分辨率3D映射

Eun-Yeong Park¹, Xiran Cai¹, Josquin Foiret¹

¹Department of Radiology, Stanford University, Stanford, CA 94305, USA.

Science advances

|May 31, 2023

概括

这项研究引入了用于高分辨率成像的先进体积超声波技术. 超快速扫描仪和新的处理方法能够快速,详细地扫描人体解剖,提高诊断能力.

科学领域:

医疗成像医学成像
超声波技术超声波技术超声波技术
生物医学工程生物医学工程

背景情况:

卷度超声波成像提供了独立于操作者的采集和更广泛的视野.
应用范围包括肌肉骨,肝脏,乳腺,儿科成像和图像引导治疗.
挑战包括运动,骨和气体,限制了人类高分辨率成像.

研究的目的:

为了优化体积超声波采集使用可编程,超快速扫描仪.
为了解决高分辨率人体成像的局限性,使用大光圈和快速处理.
为了证明对解剖结构的增强成像能力.

主要方法:

非线性处理的实施.
开发用于快速获取的分布式光束信息.
采用了大型传感器光圈 (47厘米) 和超快超声波扫描仪.

主要成果:

在5兆赫时实现了50微米-6分贝的点传播功能.
高精度地解决了飞机中的目标.
在几秒钟内完成了人类四肢的大体积扫描.
在2毫米的背静脉中显示出~50分贝的图像强度差异.

结论:

开发的方法允许快速,高分辨率的体积超声波采集.
克服了人类成像方面的挑战,包括运动和信号干扰.
促进了血管和解剖结构的详细的三维重建.

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