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Experimental System Prototype of a Portable, Low-Cost, C-Scan Ultrasound Imaging Device

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6 Author(s)
Fuller, M.I. ; PocketSonics, Inc., Charlottesville ; Ranganathan, K. ; Zhou, S. ; Blalock, T.N.
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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.

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Biomedical Engineering, IEEE Transactions on  (Volume:55 ,  Issue: 2 )