Recent advances and current challenges in endoscopic resection with the full-thickness resection device

Figure 1 The colonic full-thickness resection device system. A: Hand wheel; B: Thread Retriever; C: Thread; D: Distal attachment cap with affixed over-the-scope-clip; E: Endoscope sleeve; F: Integrated snare; G: Snare lock. Images provided by Ovesco Endoscopy.

Figure 2 Full-thickness resection device separately included items. A: Marking probe; B: Grasper; C: Guidewire and balloon (diagram) — for gastroduodenal full-thickness resection device (FTRD)^®; D: Modified anchor — for gastroduodenal FTRD^®; E: prOVE cap. Images courtesy of Ovesco Endoscopy.

Figure 3 Technique for accomplishing endoscopic full-thickness resection using the full-thickness resection device. A: Borders of target lesion marked using full-thickness resection device (FTRD) Marking Probe; B: FTRD Grasper positioned over target lesion; C: FTRD Grasper opened over target lesion; D: Target lesion grasped and pulled into cap; E: Over-the-scope-clip deployed; F: Specimen resected with electrosurgical snare. Images provided by Ovesco Endoscopy.

Figure 4 Endoscopic images of full-thickness resection device. A: Full-thickness resection device (FTRD) Marking Probe used to mark the target lesion (non-lifting polyp); B: FTRD Grasper used to grasp the lesion and pull into the cap followed by successful clip deployment; C: Resection site after FTRD; D: Resected specimen. Images courtesy of Dr. Wagh MS.