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Related Experiment Videos

CIR sand casting system for trans-tibial socket.

Y Wu1, H Casanova, W K Smith

  • 1Centre for International Rehabilitation, Chicago, IL 60611, USA. y-wu@northwestern.edu

Prosthetics and Orthotics International
|October 24, 2003
PubMed
Summary
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A new trans-tibial prosthetic socket fabrication system uses sand casting, reducing creation time to 90 minutes. This method offers a cost-effective alternative for prosthetic services, especially in developing nations.

Area of Science:

  • Prosthetics and Orthotics
  • Biomedical Engineering
  • Materials Science

Background:

  • Traditional prosthetic socket fabrication can be time-consuming and resource-intensive.
  • The dilatancy principle, commonly used in wheelchair seating, offers potential for prosthetic applications.
  • Existing methods may present challenges for prosthetic service providers in resource-limited settings.

Purpose of the Study:

  • To introduce and evaluate a novel trans-tibial socket fabrication system.
  • To assess the efficacy and efficiency of the CIR Sand Casting System.
  • To explore a competitive alternative for prosthetic socket production, particularly for developing countries.

Main Methods:

  • Development of the CIR Sand Casting System utilizing the dilatancy principle.

Related Experiment Videos

  • Replacement of plaster of Paris with sand for creating negative and positive sand models.
  • Modification of sand models for thermoplastic socket formation or resin lamination.

    • Main Results:

    • Fabrication times averaged approximately 90 minutes from patient evaluation to dynamic alignment.
    • The system demonstrated compatibility with all existing prosthetic components.
    • Initial clinical trials indicate promising results for the novel fabrication system.

    Conclusions:

    • The CIR Sand Casting System provides a significantly reduced fabrication time for trans-tibial prosthetics.
    • This innovative system presents a viable and competitive alternative for prosthetic service providers globally.
    • The sand casting method holds particular promise for improving prosthetic care accessibility in developing countries.