Short answer

Incorporate photogrammetry or similar non-radiation 3D scanning techniques into the design workflow for custom orthoses to improve accuracy, patient comfort, and production efficiency.

Field
Modelling
Source
Preprints.org (2023)
Method
Literature review and comparative analysis of 3D scanning techniques.
Evidence
Strong effect

Photogrammetry offers a radiation-free and efficient method for capturing precise 3D body geometries, streamlining the production of customized orthoses. This modelling research insight is drawn from a 2023 study published in Preprints.org. Using Literature review and comparative analysis of 3d scanning techniques., researchers explored how this design variable affects real-world outcomes. The key design takeaway: Incorporate photogrammetry or similar non-radiation 3D scanning techniques into the design workflow for custom orthoses to improve accuracy, patient comfort, and production efficiency.

Study
ModellingRecentStrong effect

Photogrammetry enables rapid, radiation-free 3D body scanning for custom orthoses

Photogrammetry offers a radiation-free and efficient method for capturing precise 3D body geometries, streamlining the production of customized orthoses.

Preprints.org · 2023

01

Key Findings

  • 01Traditional plaster casting for immobilization has significant drawbacks including patient discomfort, hygiene issues, and potential for secondary injuries.
  • 023D scanning technologies offer a non-invasive alternative to traditional methods for creating custom orthoses.
  • 03Photogrammetry is identified as the most suitable and widely used 3D scanning method for acquiring human body geometry due to its accuracy, speed, and lack of radiation.
  • 04Advancements in 3D scanning can reduce production times and facilitate integration into clinical settings.
02

Application

Design takeaway

Incorporate photogrammetry or similar non-radiation 3D scanning techniques into the design workflow for custom orthoses to improve accuracy, patient comfort, and production efficiency.

How to apply

When designing custom medical devices that require precise anatomical modeling, explore and implement photogrammetry or comparable 3D scanning technologies to capture patient geometry.

Project actions

  • 01When researching 3D scanning, focus on non-ionizing methods like photogrammetry for human subjects.
  • 02Consider the trade-offs between different scanning technologies in terms of accuracy, cost, and ease of use for your specific design project.
03

Method & Evidence

AimTo evaluate the suitability of various 3D scanning technologies, particularly photogrammetry, for the digital acquisition of human body shapes to facilitate the custom manufacturing of orthoses.
MethodLiterature review and comparative analysis of 3D scanning techniques.
ProcedureThe study reviewed existing research on different 3D scanning methods (including those using radiation and non-radiation-based approaches) for capturing human body data. It specifically focused on the effectiveness, efficiency, and patient safety of these methods in the context of producing customized orthoses, identifying photogrammetry as a leading technique.
ContextMedical device design, rehabilitation engineering, orthotics manufacturing.

Variables

IVType of 3D scanning technology (e.g., photogrammetry, CT, X-ray).
DVAccuracy of 3D model, scanning time, patient comfort, hygiene, risk of radiation.
CVType of orthosis being designed, anatomical region scanned, software used for processing.
04

Strengths & Limitations

Strengths

  • +Comprehensive review of multiple 3D scanning technologies.
  • +Clear identification of photogrammetry as a leading solution for orthoses.
  • +Focus on practical advantages like patient comfort and hygiene.

Limitations

The accuracy of photogrammetry can be affected by lighting conditions, surface texture of the subject, and the quality/number of images taken. Processing time can also be significant.

Reliability & validity

The reliability of photogrammetry depends heavily on consistent lighting, subject stillness, and image quality. Validity is supported by the comparison of generated models to real-world anatomical data and the successful application in producing functional orthoses.

Think critically

Beyond photogrammetry, what other emerging 3D scanning technologies could offer advantages for creating highly specialized medical devices, and what are their respective limitations?

05

Design Principles

"Utilize non-invasive, high-fidelity digital capture methods to personalize product design for optimal user outcomes."

This approach significantly improves upon traditional plaster casting by reducing patient discomfort, enhancing hygiene, and minimizing the risk of secondary complications. By enabling faster and more accurate digital modeling, it opens doors for more accessible and effective rehabilitation devices.

06

What This Means for Your Design

Using cameras to take lots of pictures of a body part can create a 3D model, which is great for making custom braces or supports without using X-rays.

How to use in your project

  • 1.Reference this study when discussing the justification for choosing a specific 3D modelling technique for a design project, especially if it involves custom-fit products or anatomical data.
07

Add to My Project

08

Quick Cite

Paragraph starter

The review by Silva et al. (2023) highlights photogrammetry as a superior 3D scanning method for custom orthoses production, offering a radiation-free, efficient, and accurate alternative to traditional plaster casting. This approach enables precise digital modeling of anatomical structures, leading to improved patient comfort and rehabilitation outcomes, and is therefore a strong candidate for adoption in design projects requiring personalized anatomical forms.

09

Source

Preprints.org

A Review on 3D Scanners Studies for Producing Customized Orthoses

journal · 2023

View source

Questions About This Research

What does the research say about photogrammetry enables rapid, radiation-free 3d body scanning for custom orthoses?
Incorporate photogrammetry or similar non-radiation 3D scanning techniques into the design workflow for custom orthoses to improve accuracy, patient comfort, and production efficiency. Evidence: Preprints.org (2023).
Why does "Photogrammetry enables rapid, radiation-free 3D body scanning for custom orthoses" matter for design?
This approach significantly improves upon traditional plaster casting by reducing patient discomfort, enhancing hygiene, and minimizing the risk of secondary complications. By enabling faster and more accurate digital modeling, it opens doors for more accessible and effective rehabilitation devices.
How can designers apply this research?
Incorporate photogrammetry or similar non-radiation 3D scanning techniques into the design workflow for custom orthoses to improve accuracy, patient comfort, and production efficiency.
What were the main findings?
Traditional plaster casting for immobilization has significant drawbacks including patient discomfort, hygiene issues, and potential for secondary injuries.. 3D scanning technologies offer a non-invasive alternative to traditional methods for creating custom orthoses.. Photogrammetry is identified as the most suitable and widely used 3D scanning method for acquiring human body geometry due to its accuracy, speed, and lack of radiation.. Advancements in 3D scanning can reduce production times and facilitate integration into clinical settings.
What research method was used?
Literature review and comparative analysis of 3D scanning techniques..
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2023 journal from Preprints.org.
What should I do differently in my next project?
When designing custom medical devices that require precise anatomical modeling, explore and implement photogrammetry or comparable 3D scanning technologies to capture patient geometry.
What are the limitations?
The review's findings are based on existing literature, and practical implementation may encounter variations in scanner performance, software processing capabilities, and user expertise. Specific environmental conditions can also affect photogrammetry accuracy.