Closure with a dual-action tissue clip for full-thickness defects following endoscopic submucosal dissection of a lesion involving a colonic diverticulum

E-VideosVideo 1 Dual-action clip closure for full-thickness defects following endoscopic submucosal dissection of a lesion involving a colonic diverticulum. Fig. 1 a The tumor involves a colonic diverticulum.b The space beneath the diverticulum is visualized.c The full-thickness defect is seen after endoscopic submucosal dissection.d The dual-action tissue clip is placed first.e The muscle layer is inverted using a dual-action tissue clip to facilitate defect closure.f The defect is closed completely.