Polarization-assisted layer identification during the lumbar puncture procedure

Danielle J. Harper; Yongjoo Kim; Alejandra Gómez-Ramírez; Ahhyun Stephanie Nam; Benjamin J. Vakoc

doi:10.1117/12.2607897

7 March 2022 Polarization-assisted layer identification during the lumbar puncture procedure

Danielle J. Harper, Yongjoo Kim, Alejandra Gómez-Ramírez, Ahhyun Stephanie Nam, Benjamin J. Vakoc

Proceedings Volume PC11963, Polarized Light and Optical Angular Momentum for Biomedical Diagnostics 2022; PC1196305 (2022) https://doi.org/10.1117/12.2607897
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

Radiation concerns preclude the use of fluoroscopy guidance in lumbar puncture procedures performed on pregnant women or other at-risk groups. We have developed an alternative method for guidance based on a simple, unscanned polarization-sensitive optical coherence tomography needle tip probe. Using the porcine spine as a model, we show that the polarization signals returned by the probe allow each layer from the skin to the subarachnoid space to be uniquely identified in situ. Combining these signals with needle-tip tracking using Doppler methods provides real-time anatomical localization of the needle tip.

Conference Presentation

Citation Download Citation

Danielle J. Harper, Yongjoo Kim, Alejandra Gómez-Ramírez, Ahhyun Stephanie Nam, and Benjamin J. Vakoc "Polarization-assisted layer identification during the lumbar puncture procedure", Proc. SPIE PC11963, Polarized Light and Optical Angular Momentum for Biomedical Diagnostics 2022, PC1196305 (7 March 2022); https://doi.org/10.1117/12.2607897

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