Fig. 3From: Refractory esophageal–mediastinal fistula successfully treated with endoluminal vacuum therapy and enteral nutrition using a double-lumen elemental diet tube: a case reportEndoscopic findings. a Applying an electrical direct current pulse at two opposing hinges of the clip. b The hinge of OTSC® was cauterized and cut into two fragments (white arrowheads). c The two fragments were collected with gripping forceps. d Collected OTSC® fragmentsBack to article page