New devices and techniques for endoscopic closure of gastrointestinal perforations

Figure 2 Successful closure of large perforations in a patients. A: There was a submucosal tumor located in the gastric fundus, which was about 15 mm × 12 mm and originated from the deep muscularis propria; B: An intentional perforation occurred during the procedure for full-thickness resection; C: A larger perforation was left after complete removal of the tumor. However, the mucosa over the tumor was kept intact; D: We use the retained mucosa to cover the perforation and the wound was successfully covered by the intact mucosa combined with several endoclips.