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Related Experiment Videos

A PC-based ultrasonic data acquisition system for computer-aided prosthetic socket design

P He1, K Xue, Q Chen

  • 1Faculty of Biomedical and Human Factors Engineering, Wright State University, Dayton, OH 45435 USA.

IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
|June 1, 1996
PubMed
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A new ultrasound system creates 3D limb models for prosthetic socket design. This 3D visualization aids prosthetists by showing internal limb structures for improved prosthetic fitting.

Area of Science:

  • Medical Imaging
  • Biomedical Engineering
  • Prosthetics

Background:

  • Accurate residual limb imaging is crucial for effective prosthetic socket design.
  • Current methods may lack detailed internal structural information.
  • 3D modeling offers potential for enhanced prosthetic fitting.

Purpose of the Study:

  • To develop and evaluate a PC-based ultrasound system for residual limb imaging.
  • To reconstruct 3D models of residual limbs from ultrasound data.
  • To integrate 3D limb visualization into computer-aided prosthetic socket design software.

Main Methods:

  • Utilized a PC-based ultrasound system with compound scanning techniques in a water tank.
  • Processed ultrasonic echo data to generate cross-sectional and 3D limb models.

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  • Modified commercial CAD software to display 3D limb models and cross-sectional images.

    • Main Results:

    • Successfully developed a system for acquiring ultrasound data and creating 3D limb models.
    • Validated image resolution and measurement accuracy using phantoms.
    • Presented preliminary results from amputee patients, discussing error sources.

    Conclusions:

    • The developed ultrasound system provides valuable 3D visualization of residual limb internal structures.
    • Integration with CAD software enhances prosthetic socket design capabilities.
    • Further refinement is needed to minimize measurement errors for clinical application.