20 March 2013 Motion-compensated hand-held common-path Fourier-domain optical coherence tomography probe for image-guided intervention
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Abstract
A motion-compensated hand-held common-path Fourier-domain optical coherence tomography imaging probe has been developed for image guided intervention during microsurgery. A hand-held prototype instrument was designed and fabricated by integrating an imaging fiber probe inside a stainless steel needle which is attached to the ceramic shaft of a piezoelectric motor housed in an aluminum handle. The fiber probe obtains A-scan images. The distance information was extracted from the A-scans to track the sample surface distance and a fixed distance was maintained by a feedback motor control which effectively compensated hand tremor and target movements in the axial direction. Graphical user interface, real-time data processing, and visualization based on a CPU-GPU hybrid programming architecture were developed and used in the implantation of this system. To validate the system, free-hand optical coherence tomography images using various samples were obtained. The system can be easily integrated into microsurgical tools and robotics for a wide range of clinical applications. Such tools could offer physicians the freedom to easily image sites of interest with reduced risk and higher image quality.
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Yong Huang, Yong Huang, Cheol Song, Cheol Song, Xuan Liu, Xuan Liu, Jin U. Kang, Jin U. Kang, } "Motion-compensated hand-held common-path Fourier-domain optical coherence tomography probe for image-guided intervention", Proc. SPIE 8571, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVII, 85711N (20 March 2013); doi: 10.1117/12.2006506; https://doi.org/10.1117/12.2006506
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