3D Printing enables rapid prototyping of custom prosthetic limbs, reducing development time and cost.

Why It Matters

This approach democratizes access to assistive technologies by lowering costs and enabling rapid iteration based on user feedback. Designers can quickly test and refine form and function, leading to more effective and user-specific solutions.

Key Finding

3D printing offers a cost-effective and rapid method for producing customized prosthetic limbs, empowering individuals and communities to create tailored solutions, though regulatory hurdles remain.

Key Findings

• 3D printing facilitates the creation of personalized prosthetic devices at a lower cost.
• Open-source 3D printing initiatives have a significant global impact on providing assistive devices.
• Customization through 3D printing addresses specific user needs, particularly for children with growth rate considerations.
• Regulatory frameworks present challenges for the widespread adoption of novel prosthetic technologies.

Research Evidence

Aim: How can 3D printing technology be leveraged to create accessible, customized prosthetic limbs for individuals with upper-limb differences?

Method: Literature Review and Case Study Analysis

Procedure: The research reviewed existing literature on prosthetic development and the application of 3D printing. It also analyzed a case study involving the development of 3D-printed assistive devices by the maker community and non-profit organizations, including training methods and regulatory considerations.

Context: Prosthetics and Assistive Device Design

Design Principle

Leverage additive manufacturing for iterative design and personalized solutions in product development.

How to Apply

When designing products requiring high customization or complex forms, explore 3D printing for rapid prototyping and small-batch production to test form, fit, and function efficiently.

Limitations

The study acknowledges the complexities of medical regulatory frameworks and the need for robust clinical studies to measure the full impact of these devices on quality of life.

Student Guide (IB Design Technology)

Simple Explanation: 3D printing lets designers quickly make custom-fit prosthetic arms and legs that are cheaper and better suited to individual needs, especially for growing children.

Why This Matters: This research shows how a specific technology (3D printing) can solve real-world problems by making custom products more accessible and affordable, which is a key consideration in many design projects.

Critical Thinking: Beyond the technical feasibility of 3D printing, what are the ethical considerations and long-term support structures needed for widespread adoption of DIY or community-driven prosthetic solutions?

IA-Ready Paragraph: The application of 3D printing technology, as explored by Manero et al. (2019), offers a powerful methodology for rapid prototyping and the creation of highly customized prosthetic limbs. This approach significantly reduces development time and costs, democratizing access to assistive devices and enabling iterative design based on specific user needs, which is a valuable consideration for developing bespoke solutions in design projects.

Project Tips

• Consider using 3D printing for prototyping complex or ergonomic components in your design project.
• Investigate open-source design communities for inspiration and potential collaboration on assistive technologies.

How to Use in IA

• Reference this study when discussing the prototyping methods used in your design project, particularly if you are exploring custom solutions or cost-effective manufacturing.

Examiner Tips

• Demonstrate an understanding of how emerging technologies like 3D printing can disrupt traditional manufacturing and design processes, especially in specialized fields like prosthetics.

Independent Variable: 3D printing technology adoption

Dependent Variable: Prosthetic limb customization, cost, development time, accessibility

Strengths

• Highlights the practical application of advanced manufacturing in addressing unmet needs.
• Discusses the role of community and open-source efforts in innovation.

Critical Questions

• What are the long-term durability and maintenance challenges associated with 3D-printed prosthetics compared to traditional ones?
• How can the quality and safety standards of community-driven prosthetic production be ensured?

Extended Essay Application

• An Extended Essay could investigate the socio-economic impact of 3D printing on the accessibility of medical devices in developing countries, using prosthetics as a case study.

Source

Implementation of 3D Printing Technology in the Field of Prosthetics: Past, Present, and Future · International Journal of Environmental Research and Public Health · 2019 · 10.3390/ijerph16091641