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Implementation of a versatile research data acquisition system using a commercially available medical ultrasound scanner

机译：使用市售医学超声扫描仪实施多功能研究数据采集系统

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摘要

This paper describes the design and implementation of a versatile, open-architecture research data acquisition system using a commercially available medical ultrasound scanner. The open architecture will allow researchers and clinicians to rapidly develop applications and move them relatively easy to the clinic. The system consists of a standard PC equipped with a camera link and an ultrasound scanner equipped with a research interface. The ultrasound scanner is an easy-to-use imaging device that is capable of generating high-quality images. In addition to supporting the acquisition of multiple data types, such as B-mode, M-mode, pulsed Doppler, and color flow imaging, the machine provides users with full control over imaging parameters such as transmit level, excitation waveform, beam angle, and focal depth. Beamformed RF data can be acquired from regions of interest throughout the image plane and stored to a file with a simple button press. For clinical trials and investigational purposes, when an identical image plane is desired for both an experimental and a reference data set, interleaved data can be captured. This form of data acquisition allows switching between multiple setups while maintaining identical transducer, scanner, region of interest, and recording time. Data acquisition is controlled through a graphical user interface running on the PC. This program implements an interface for third-party software to interact with the application. A software development toolkit is developed to give researchers and clinicians the ability to utilize third-party software for data analysis and flexible manipulation of control parameters. Because of the advantages of speed of acquisition and clinical benefit, research projects have successfully used the system to test and implement their customized solutions for different applications. Three examples of system use are presented in this paper: evaluation of synthetic aperture sequential beamformation, transverse oscill- tion for blood velocity estimation, and acquisition of spectral velocity data for evaluating aortic aneurysms.
机译：本文介绍了使用市售医学超声扫描仪的多功能，开放式体系结构研究数据采集系统的设计和实现。开放的体系结构将使研究人员和临床医生能够快速开发应用程序，并将它们相对容易地移至临床。该系统由配备有摄像头链接的标准PC和配备有研究接口的超声扫描仪组成。超声扫描仪是一种易于使用的成像设备，能够生成高质量的图像。除了支持采集多种数据类型（例如B模式，M模式，脉冲多普勒和彩色流成像）外，该机器还为用户提供对成像参数的完全控制，例如发射电平，激励波形，光束角度，和焦深。可以从整个图像平面的感兴趣区域获取波束成形的RF数据，并通过简单的按钮按下即可将其存储到文件中。对于临床试验和研究目的，当实验和参考数据集都需要相同的图像平面时，可以捕获交错的数据。这种数据采集形式允许在多种设置之间切换，同时保持相同的传感器，扫描仪，感兴趣的区域和记录时间。数据采集​​是通过PC上运行的图形用户界面控制的。该程序为第三方软件实现了与应用程序交互的接口。开发了软件开发工具包，使研究人员和临床医生能够利用第三方软件进行数据分析和灵活地控制参数。由于获取速度和临床收益的优势，研究项目已成功地使用该系统来测试和实现针对不同应用的定制解决方案。本文介绍了系统使用的三个示例：合成孔径顺序波束形成的评估，用于血流速度估计的横向振荡以及用于评估主动脉瘤的频谱速度数据的获取。

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