Over-the-scope-grasper: A new tool for pancreatic necrosectomy and beyond - first multicenter experience

Figure 1 Over-the-scope-grasper attached to an endoscope. A: Open position; B: Closed position. With permission from Ovesco Endoscopy AG, Tübingen, Germany. Available from: http://www.ovesco.com/de.

Figure 2 Application of the over-the-scope-grasper in pancreatic necrosectomy through a lumen apposing metal stent. A: Insertion into the necrotic cavity; B: Opening the device; C: Grasping necrotic tissue; D: Withdrawal from the necrotic cavity; E: Flushing out the tissue by irrigation. LAMS: Lumen apposing metal stent. With permission from Ovesco Endoscopy AG, Tübingen, Germany. Available from: http://www.ovesco.com/de.

Figure 3 Pancreatic necrosectomy through a lumen apposing metal stent with the over-the-scope-grasper. A: Insertion through the lumen apposing metal stent; B: Opening the device inside the necrosis; C: Grasping necrotic tissue; D: Cleaned necrotic cavity.

Figure 4 Removing food bolus and blood clots with the over-the-scope-grasper. A: Grasping a meat chunk in the esophagus; B: Food pieces removed with the new device; C: Grasping a duodenal blood clot; D: Blood clots removed from the stomach with the new device.