Abstract
Currently available endoscopic imaging devices used in the biliary tree are low resolution with poor image quality, leading to inadequate evaluation of biliary tract disorders and limiting image guided therapy. However, a new ultrathin and flexible cholangioscope system has been developed and successfully demonstrated in a porcine bile duct. This mini-cholangioscope system uses a scanning fiber endoscope (SFE) as a forward-imaging guidewire, dimensions of 1.2-mm diameter and 3-m length. Full color video (500-line resolution at 30Hz) is the standard SFE imaging mode using spiral scanning of red, green, and blue laser light at low power.
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