A Fabry–Perot interferometry sensor system for epidural injection

Gichan Cho; Jintaek Im; Cheol Song

doi:10.1117/12.3002167

13 March 2024 A Fabry–Perot interferometry sensor system for epidural injection

Gichan Cho, Jintaek Im, Cheol Song

Proceedings Volume PC12831, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XXII; PC128310A (2024) https://doi.org/10.1117/12.3002167
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

During the epidural injection procedure, identifying the exact tissue is essential. Physicians typically use the loss of resistance (LOR) to confirm the penetration of the needle into the epidural space. However, this navigation task can be challenging. The optical sensor system has the advantages of high sensitivity, resolution, and miniaturization, so it is suitable for precision biomedical applications. In this study, we presented a new FPI sensor system that simultaneously measures force and distance and an algorithm for LOR. The needle insertion experiments conducted by the user showed that the LOR success rate increased using the proposed system.

Conference Presentation

Citation Download Citation

Gichan Cho, Jintaek Im, and Cheol Song "A Fabry–Perot interferometry sensor system for epidural injection", Proc. SPIE PC12831, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XXII, PC128310A (13 March 2024); https://doi.org/10.1117/12.3002167

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