Trans-umbilical endoscopic cholecystectomy with a water-jet hybrid-knife: A pilot animal study

Figure 1 Picture demonstrating a concept of a novel method of cholecystectomy. A: Methylene blue mixed with normal saline solution injected into fibrous tissues between gallbladder and liver bed; B: The gallbladder falling off liver bed; C: Cystic duct and artery cut using the water-jet hybrid-knife between loops; D: The resected gallbladder grasped by forceps; E: Macroscopic view of the liver fossa on necropsy; F: Clipped gallbladder perforation.