Enhanced visualization of the bile duct via parallel white light and indocyanine green fluorescence laparoscopic imaging

Stavros G. Demos; Shiro Urayama

doi:10.1117/12.2044271

17 March 2014 Enhanced visualization of the bile duct via parallel white light and indocyanine green fluorescence laparoscopic imaging

Stavros G. Demos, Shiro Urayama

Author Affiliations +

Proceedings Volume 8940, Optical Biopsy XII; 89400R (2014) https://doi.org/10.1117/12.2044271
Event: SPIE BiOS, 2014, San Francisco, California, United States

Abstract

Despite best efforts, bile duct injury during laparoscopic cholecystectomy is a major potential complication. Precise detection method of extrahepatic bile duct during laparoscopic procedures would minimize the risk of injury. Towards this goal, we have developed a compact imaging instrumentation designed to enable simultaneous acquisition of conventional white color and NIR fluorescence endoscopic/laparoscopic imaging using ICG as contrast agent. The capabilities of this system, which offers optimized sensitivity and functionality, are demonstrated for the detection of the bile duct in an animal model. This design could also provide a low-cost real-time surgical navigation capability to enhance the efficacy of a variety of other image-guided minimally invasive procedures.

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Stavros G. Demos and Shiro Urayama "Enhanced visualization of the bile duct via parallel white light and indocyanine green fluorescence laparoscopic imaging", Proc. SPIE 8940, Optical Biopsy XII, 89400R (17 March 2014); https://doi.org/10.1117/12.2044271

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KEYWORDS

Laparoscopy

Luminescence

Imaging systems

Tissues

Cameras

RGB color model

Endoscopes

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