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Updated: May 30, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

Computer-assisted mosaic arthroplasty using patient-specific instrument guides.

Manuela Kunz¹, Stephen D Waldman, John F Rudan

¹Department of Surgery, Kingston General Hospital, Queen's University, Kingston, ON, K7L 3N6, Canada.

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA

|August 17, 2011

Summary

Patient-specific instrument guides, created using 3D printing, precisely positioned cartilage plugs for mosaic arthroplasty. This technique improved knee function and reduced pain, demonstrating a successful outcome for articular cartilage repair.

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Area of Science:

Orthopedic surgery
Biomedical engineering
Regenerative medicine

Background:

Mosaic arthroplasty success depends on accurate reconstruction of the articular surface.
Patient-specific instrumentation can potentially improve surgical precision.

Observation:

A 3D computer model was used to plan cartilage plug harvesting and placement.
Patient-specific instrument guides were 3D printed for precise surgical tool positioning.
These guides were utilized in a young female patient with a large articular cartilage defect.

Findings:

The patient experienced improved knee range of motion and reduced pain at 2-year follow-up.
Postoperative CT arthrogram confirmed a smooth and appropriate contour of the reconstructed cartilage.

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Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

Published on: August 24, 2018

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Last Updated: May 30, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach

Published on: August 24, 2018

Implications:

Image-based preoperative planning with patient-specific guides offers a viable alternative to optically tracked systems.
This approach can lead to successful patient outcomes in articular cartilage repair.
3D printing technology enables the creation of customized surgical tools for enhanced orthopedic procedures.