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5 November 2014 Monitoring the reduced scattering coefficient of bone tissues on the trajectory of pedicle screw placement using near-infrared spectroscopy
Yangyang Liu, Yuyan Wang, Zhiyu Qian, Jinzhe Zhao, Xinzhi Cao, Weitao Li
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Journal of Biomedical Optics, Vol. 19, Issue 11, 117002 (November 2014). https://doi.org/10.1117/1.JBO.19.11.117002
Abstract
Pedicle screw (PS) fixation has been widely used for spine diseases. Scientists and clinicians employ several approaches to navigate PS during operation. We have demonstrated the feasibility of monitoring the reduced scattering coefficient (μ's) on the trajectory of PS using near-infrared spectroscopy (NIRS). To perform the in-vitro monitoring, an NIRS measurement system was introduced and the reduced scattering coefficients of different sites in porcine pedicle were accurately deduced from the spectrum. Moreover, the changes of the reduced scattering coefficient along the different paths were studied. The results show reduced scattering coefficients on different regions of bones can be significantly distinguished. Furthermore, monitoring experiments along different paths confirmed that a reduced scattering coefficient would change versus the depth of puncture in pedicles. Thus, the proposed monitoring system based on NIRS provides a potential for guiding PS during operation.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Yangyang Liu, Yuyan Wang, Zhiyu Qian, Jinzhe Zhao, Xinzhi Cao, and Weitao Li "Monitoring the reduced scattering coefficient of bone tissues on the trajectory of pedicle screw placement using near-infrared spectroscopy," Journal of Biomedical Optics 19(11), 117002 (5 November 2014). https://doi.org/10.1117/1.JBO.19.11.117002
Published: 5 November 2014
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Cited by 12 scholarly publications.
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KEYWORDS
Bone
Picosecond phenomena
Scattering
Near infrared spectroscopy
Tissues
Surgery
Ocean optics
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