Optical Measurement of Ligament Strain: Opportunities and Limitations for Intraoperative Application

A feasible and precise method to measure ligament strain during surgical interventions could significantly enhance the quality of ligament reconstructions. However, all existing scientific approaches to measure in vivo ligament strain possess at least one significant disadvantage, such as the impair...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2023-08, Vol.23 (17), p.7487
Main Authors: Marx, Christian, Wulff, Paul, Fink, Christian, Baumgarten, Daniel
Format: Article
Language:English
Subjects:
Accuracy
confocal chromatic imaging
digital image correlation (DIC)
Endoscopy
Homeopathy
Knee
Ligaments
Materia medica and therapeutics
Measurement
Measurement techniques
non-contact strain measurement
Sensors
shearography
Software
Strain gauges
tendon strain
Tendons
Therapeutics
User interface
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Summary:A feasible and precise method to measure ligament strain during surgical interventions could significantly enhance the quality of ligament reconstructions. However, all existing scientific approaches to measure in vivo ligament strain possess at least one significant disadvantage, such as the impairment of the anatomical structure. Seeking a more advantageous method, this paper proposes defining medical and technical requirements for a non-destructive, optical measurement technique. Furthermore, we offer a comprehensive review of current optical endoscopic techniques which could potentially be suitable for in vivo ligament strain measurement, along with the most suitable optical measurement techniques. The most promising options are rated based on the defined explicit and implicit requirements. Three methods were identified as promising candidates for a precise optical measurement of the alteration of a ligaments strain: confocal chromatic imaging, shearography, and digital image correlation.
ISSN:1424-8220
1424-8220
DOI:10.3390/s23177487