Experimental system prototype of a portable low-cost, C-scan ultrasound imaging device

被引：15
|
作者：
Fuller, Michael I. [1 ]
Ranganathan, Karthik [1 ]
Zhou, Shiwei [1 ]
Blalock, Travis N. [2 ]
Hossack, John A. [1 ]
Walker, William F. [1 ,2 ]
机构：
[1] Univ Virginia, Dept Biomed Engn, Charlottesville, VA 22901 USA
[2] Univ Virginia, Dept Elect & Comp Engn, Charlottesville, VA 22904 USA
来源：
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 2008年 / 55卷 / 02期
关键词：
application-specific integrated circuits; biomedical acoustic imaging; C-scan; portable ultrasound;
D O I：
10.1109/TBME.2007.903517
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A system prototype of a future compact, low-cost medical ultrasound device is described and presented with experimental results. The prototype system consists of a 32 x 32 element, fully sampled 2-D transducer array and a printed circuit board (PCB) containing 16 custom "front-end" receive channel integrated circuits (ICs) with analog multiplexing and programmable logic. A PC that included a commercially available data acquisition card is used for data collection and analysis. Beamforming is performed offline using the direct sampled in-phase/quadrature (DSIQ) algorithm. Pulse-echo images obtained with the prototype are presented. Results from this prototype support the feasibility of a low-cost, pocket-sized, C-scan imaging device.
引用
收藏
页码：519 / 530
页数：12
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