Development of Multibundle Virtual Ligaments to Simulate Knee Mechanics After Total Knee Arthroplasty-Reference-Cited by-同舟云学术

Development of Multibundle Virtual Ligaments to Simulate Knee Mechanics After Total Knee Arthroplasty

Published:2023-05-22 Issue:9 Volume:145 Page:
ISSN:0148-0731
Container-title:Journal of Biomechanical Engineering
language:en
Short-container-title:

Author:

Vakili Samira¹²,Lanting Brent³⁴,Getgood Alan⁵⁶⁷,Willing Ryan⁸⁹¹⁰

Affiliation:

1. School of Biomedical Engineering, Western University , 1151 Richmond Street North, London, ON N6A 3K7, Canada ; , London, ON N6G 2V4, Canada

2. Western's Bone and Joint Institute, University Hospital , 1151 Richmond Street North, London, ON N6A 3K7, Canada ; , London, ON N6G 2V4, Canada

3. Department of Orthopaedic Surgery, London Health Sciences Centre, University Hospital , 339 Windermere Road, London, ON N6A 5A5, Canada ; , London, ON N6G 2V4, Canada

4. Western's Bone and Joint Institute, University Hospital , 339 Windermere Road, London, ON N6A 5A5, Canada ; , London, ON N6G 2V4, Canada

5. Department of Orthopaedic Surgery, London Health Sciences Centre, University Hospital , London, ON N6A 5A5, Canada ; , London, ON N6A 3K7, Canada ; , London, ON N6G 2V4, Canada

6. Department of Surgery, Fowler-Kennedy Sport Medicine Clinic 3M Centre, Western University , London, ON N6A 5A5, Canada ; , London, ON N6A 3K7, Canada ; , London, ON N6G 2V4, Canada

7. Western's Bone and Joint Institute, University Hospital , London, ON N6A 5A5, Canada ; , London, ON N6A 3K7, Canada ; , London, ON N6G 2V4, Canada

8. School of Biomedical Engineering, Western University , London, ON N6A 3K7, Canada ; , 1151 Richmond Street North, London, ON N6A 5B9, Canada ; , London, ON N6G 2V4, Canada

9. Department of Mechanical and Materials Engineering, Western University , London, ON N6A 3K7, Canada ; , 1151 Richmond Street North, London, ON N6A 5B9, Canada ; , London, ON N6G 2V4, Canada

10. Western's Bone and Joint Institute, University Hospital , London, ON N6A 3K7, Canada ; , 1151 Richmond Street North, London, ON N6A 5B9, Canada ; , London, ON N6G 2V4, Canada

Abstract

Abstract Preclinical evaluation of total knee arthroplasty (TKA) components is essential to understanding their mechanical behavior and developing strategies for improving joint stability. While preclinical testing of TKA components has been useful in quantifying their effectiveness, such testing can be criticized for lacking clinical relevance, as the important contributions of surrounding soft tissues are either neglected or greatly simplified. The purpose of our study was to develop and determine if subject-specific virtual ligaments reproduce a similar behavior as native ligaments surrounding TKA joints. Six TKA knees were mounted to a motion simulator. Each was subjected to tests of anterior–posterior (AP), internal–external (IE), and varus–valgus (VV) laxity. The forces transmitted through major ligaments were measured using a sequential resection technique. By tuning the measured ligament forces and elongations to a generic nonlinear elastic ligament model, virtual ligaments were designed and used to simulate the soft tissue envelope around isolated TKA components. The average root-mean-square error (RMSE) between the laxity results of TKA joints with native versus virtual ligaments was 3.5 ± 1.8 mm during AP translation, 7.5 ± 4.2 deg during IE rotations, and 2.0 ± 1.2 deg during VV rotations. Interclass correlation coefficients (ICCs) indicated a good level of reliability for AP and IE laxity (0.85 and 0.84). To conclude, the advancement of virtual ligament envelopes as a more realistic representation of soft tissue constraint around TKA joints is a valuable approach for obtaining clinically relevant kinematics when testing TKA components on joint motion simulators.

Publisher

ASME International

Subject

Physiology (medical),Biomedical Engineering

Link

https://asmedigitalcollection.asme.org/biomechanical/article-pdf/145/9/091003/7014827/bio_145_09_091003.pdf

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