Real-time, label-free, qualitative, intraoperative visualization of peripheral nerves and micro-vasculatures using multimodal optical imaging techniques

Published on 2018-02-12T16:53:28Z (GMT) by
Accurate, real-time identification and display of critical anatomic structures, such as nerve and vasculature, are critical for reducing complications and improving surgical outcomes. Human vision is frequently limited in clearly distinguishing and contrasting these structures. We present a novel imaging system, which enables noninvasive visualization of critical anatomic structures during surgical dissection. Peripheral nerves are visualized by a snapshot polarimetry that calculates the anisotropic optical properties. Vascular structures, both venous and arterial, are identified and monitored in real-time using a near-infrared laser-speckle-contrast imaging. We evaluate the system by performing in vivo animal studies with qualitative comparison by contrast-agent-aided fluorescence imaging.

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Cha, Jaepyeong; Broch, Aline; Mudge, Scott; Kim, Kihoon; Namgoong, Jung-Man; Oh, Eugene; Kim, Peter (2018): Real-time, label-free, qualitative, intraoperative visualization of peripheral nerves and micro-vasculatures using multimodal optical imaging techniques. The Optical Society.