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Summary

This summary is machine-generated.

This study introduces a novel handheld large 2D ultrasound array probe for improved medical imaging. The advanced probe achieves significant penetration and resolution, showing promise for future clinical applications.

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Last Updated: May 20, 2025

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Area of Science:

Ultrasound imaging
Medical device engineering
Array transducer technology

Background:

Large aperture 2D arrays enhance lateral and contrast resolution in ultrasound imaging.
Custom Application Specific Integrated Circuit (ASIC) multiplexing improves array performance.

Purpose of the Study:

To develop and evaluate a modular, handheld large aperture 2D ultrasound array probe for enhanced human imaging.
To demonstrate the capabilities of the prototype for 2D and 3D ultrasound imaging.

Main Methods:

Development of a 1,024-element (64x16) 2D array probe with custom ASIC multiplexing.
Integration of preamplifiers and FPGA for digital control and local buffering.
Testing of the probe's imaging performance, including penetration, resolution, and contrast-to-noise ratio (CNR).

Main Results:

Achieved imaging penetration down to 140 mm.
Experimental lateral and axial resolution of 1.1 mm and 0.4 mm at 67 mm depth, respectively.
Demonstrated in-vivo liver imaging in human volunteers with promising preliminary results.

Conclusions:

The developed handheld large 2D array probe offers significant improvements in ultrasound imaging capabilities.
The prototype shows potential for future clinical diagnostic applications, particularly in deep tissue imaging.