Issues and themes in computer aided design for external prosthetics and orthotics.

Area of Science:

• Biomedical Engineering
• Computer Science
• Rehabilitation Technology

Background:

• Computer-aided design (CAD) systems are increasingly utilized in prosthetics and orthotics.
• Customized components are essential for matching and supporting specific body segments.

Purpose of the Study:

• To review the current state and future directions of CAD systems in prosthetics and orthotics.
• To explore the integration of shape measurement, computer manipulation, and manufacturing processes.

Main Methods:

• Analysis of existing CAD systems for prosthetic and orthotic applications.
• Consideration of design philosophy, shape-pressure relationships, and data representation.
• Examination of surface adjustments, measurements, and manufacturing geometry.

Main Results:

• CAD systems currently involve shape measurement, computer manipulation, and manufacturing of support surfaces or molds.
• Key themes include design philosophy, body segment pressure relationships, and shape information presentation.
• Existing systems highlight areas for future technological advancements.

Conclusions:

• CAD technology is pivotal for creating personalized prosthetic and orthotic devices.
• Further development is needed in areas such as shape representation and manufacturing integration.
• The study identifies critical aspects for future research and innovation in the field.