7 March 2016 Active depth-guiding handheld micro-forceps for membranectomy based on CP-SSOCT
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Abstract
In this study, we demonstrate a handheld motion-compensated micro-forceps system using common-path swept source optical coherence tomography with highly accurate depth-targeting and depth-locking for Epiretinal Membrane Peeling. Two motors and a touch sensor were used to separate the two independent motions: motion compensation and tool-tip manipulation. A smart motion monitoring and guiding algorithm was devised for precise and intuitive freehand control. Ex-vivo bovine eye experiments were performed to evaluate accuracy in a bovine retina retinal membrane peeling model. The evaluation demonstrates system capabilities of 40 um accuracy when peeling the epithelial layer of bovine retina.
Conference Presentation
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Gyeong Woo Cheon, Gyeong Woo Cheon, Phillip Lee, Phillip Lee, Berk Gonenc, Berk Gonenc, Peter L. Gehlbach, Peter L. Gehlbach, Jin U. Kang, Jin U. Kang, "Active depth-guiding handheld micro-forceps for membranectomy based on CP-SSOCT", Proc. SPIE 9702, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVI, 97020C (7 March 2016); doi: 10.1117/12.2212715; https://doi.org/10.1117/12.2212715
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