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Handheld Ultrasound and Photoacoustic Dual-Modal Imaging With Sound Speed Correction Guided by Ultrasound Image.

Yijie Huang1, Lin Huang1, Renbin Zhong1

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Summary

This study introduces a cost-effective handheld ultrasound (HHU) device integrated with photoacoustic imaging (PAI). This dual-modal system advances portable ultrasound and PAI technologies for broader applications.

Keywords:
handheld ultrasoundnonuniform speed of soundportable PAI technologyultrasound/photoacoustic dual‐modal

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Area of Science:

  • Medical Imaging
  • Biomedical Engineering
  • Optical Imaging

Background:

  • Handheld ultrasound (HHU) devices offer mobility and convenience in point-of-care settings.
  • Traditional photoacoustic imaging (PAI) systems are often bulky, expensive, or require separate acquisition components.
  • Advancements in HHU technology present an opportunity to miniaturize PAI systems.

Purpose of the Study:

  • To develop a cost-effective, dual-modal ultrasound (US)/photoacoustic imaging (PAI) system using HHU technology.
  • To integrate a 32-channel HHU with PAI, incorporating the acquisition system into the US probe.
  • To utilize HHU images for speed of sound (SoS) correction in PAI reconstruction.

Main Methods:

  • Leveraged advancements in handheld ultrasound (HHU) device development.
  • Integrated a cost-effective 32-channel HHU into a photoacoustic imaging (PAI) system.
  • Developed a HHU-based US/PA dual-modal imaging system.
  • Employed HHU images to guide speed of sound (SoS) correction for PAI reconstruction.

Main Results:

  • Successfully built a cost-effective 32-channel HHU-based US/PA dual-modal imaging system.
  • Demonstrated the feasibility of integrating HHU and PAI into a single, portable device.
  • Showcased the use of HHU for SoS correction, improving PAI reconstruction.

Conclusions:

  • The proposed HHU-based US/PA dual-modal imaging system offers a low-cost and miniaturized solution.
  • This approach advances the development of portable dual-modal imaging technologies.
  • The integration enhances the convenience and applicability of PAI in clinical settings.