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Related Experiment Videos

A CAD CAM digitizing adapter for spinal casts

E D Lemaire1, L Goudreau, Y Jeffreys

  • 1Rehabilitation Centre, Ottawa, Ontario, Canada.

Prosthetics and Orthotics International
|August 1, 1996
PubMed
Summary

A new adapter enables mechanical digitization of torso casts for creating custom spinal orthoses. This innovation allows existing lower limb prosthetic CAD CAM systems to be utilized for spinal brace design and manufacturing.

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Area of Science:

  • Biomedical Engineering
  • Orthotics and Prosthetics

Background:

  • Traditional methods for creating spinal orthoses can be labor-intensive and may lack precision.
  • Digitization offers a pathway to more accurate and efficient design processes.

Purpose of the Study:

  • To design and validate an adapter for mechanical digitization of torso negative casts.
  • To enable the use of existing CAD/CAM systems for spinal orthosis fabrication.

Main Methods:

  • Development of a specialized adapter to secure torso negative casts for digitization.
  • Integration of the adapter with a Seattle Digitizer for data acquisition.
  • Utilizing CAD/CAM software for modifying digitized data and manufacturing positive models.

Main Results:

  • The adapter successfully holds torso negative casts for accurate mechanical digitization.
  • Digitized spinal shape data can be processed in CAD/CAM systems.
  • The system facilitates the design and manufacturing of positive models for spinal orthoses.

Conclusions:

  • The developed adapter is effective for digitizing torso casts for spinal orthosis production.
  • This approach allows for the repurposing of lower limb prosthetic CAD/CAM systems for spinal orthotics.
  • The adapter enhances the efficiency and precision of spinal orthosis design and manufacturing.

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